rating: 0+x

Item #: SCP-2000

Object Class: Safe

Special Containment Procedures: Due to the distance separating SCP-2000 and Earth, as well as their relative positions, containment of SCP-2000 is currently considered de facto. As SCP-2000 cannot be directly observed from Earth, Foundation efforts are focused on covert coordination with space agencies to prevent public knowledge of SCP-2000's existence. Current cover stories state that no known objects are located at the Earth-Sun L3 Lagrangian point, and that the L3 Lagrangian point is inherently unstable due to the effect of Venusian gravity.

Monitoring and study of SCP-2000 is handled by the joint Foundation/DARPA probe Rohde-Muller, with site-to-Earth telemetry routed through ESL5 ComRelay 1. Potential manned research expeditions to SCP-2000 are being evaluated.

See Document 2000-0245-A for information pertaining to emergency suppression procedures in the case of public dissemination of knowledge regarding SCP-2000, as well as protocol regarding the handling of civilian 'discovery' of SCP-2000.

Description: SCP-2000 is a heavily damaged space station located at the Earth-Sun L3 Lagrangian point. Uranium-lead radiometric dating suggests the station was initially constructed approximately 255.8 Ma (million years ago), and rendered uninhabitable approximately 251.0 Ma (error margin 0.6%). It is not known whether or not SCP-2000 was continuously in use during its 4.8 million year operational lifespan. The damage to the station is consistent with hypersonic micrometeorite impacts and exposure to intense gamma radiation. Analyses suggest a high probability that the damage was not a natural occurrence.

The space station is constructed out of modular compartments; eight of an unknown original number thereof remain. Damage has vented all remaining compartments to space. The interior of the compartments are coated in a residue of crystallized sodium chloride and ice. An intricate network of plumbing (rendered irreparably damaged by the expansion of freezing saline water) and compartment walls believed to be capable of accommodating 300 kPa1 of pressure suggest the station's interior supported an artificial aquatic environment. The exact functions of each compartment are not known, but one appears to be a multipurpose space observatory, capable of registering signals across the electromagnetic spectrum.

SCP-2000 appears to have been powered by a combination of photovoltaic cells and a fission reactor; the reactor chamber is now missing. The remaining photovoltaic cells have degraded to 0.04% efficiency, providing sufficient power for minimal automated station-keeping actions. This level of energy output is insufficient for interfacing with the station's computer systems; research probes (and potential future manned research teams) must provide external power supplies.

SCP-2000's computer interfaces rely predominantly on audio data input and olfactory data output, though some tactile input panels have been located. Efforts to download copies of the station's computer files have met with varied success; an unknown but non-zero portion of the data has been corrupted in the quarter billion years since the station was last actively in use. Recovered data has been stored in a sexaquinquagesimal (base 56) mixed radix numeral system constructed from quaternary (base 4) and quattuordecimal (base 14). While linguistic and mathematical pattern analyses are being applied to the recovered data, Foundation research teams are not optimistic about the probability of successful translation, given the complete lack of linguistic overlap between the data and human languages and absence of common linguistic reference points. A summary of the provisional conjectures regarding SCP-2000’s numeral system appear in Appendix 2; Document SCP-2000-0891 contains all related research materials. Only one physical example of what could be considered writing, proto-writing, or pictograms using conventional linguistic definitions appears in SCP-2000. It consists of two drawings and sixteen numbers2, applied with wax to one of the station’s interior bulkheads in Compartment Bravo. Further analysis relating to the physical writing is documented in Appendix 3.

Within the station, probes discovered the frozen remains of four members of a previously unknown species of the genus Listracanthus, provisionally “Listracanthus lagrangi”, and eight members of an unidentified species in the order Octopoda, provisionally “Domesoctopus prensus”. (See Appendix 1 for further information.) Though the Octopoda specimens were originally believed to be food supplies for the Listracanthus specimens, several pieces of evidence suggest both species were active users of the station. One of the Octopoda specimen was discovered wearing a fitted extravehicular activity pressure suit, and seven additional suits of identical design were located in storage. Another Octopoda specimen was found next to the writing in Compartment Bravo, holding a wax tool chemically identical to that on the wall. This specimen was also holding an electronic device, designated Artifact 2000-019; further information is in Appendix 4. Extravehicular activity pressure suits suitable for accommodating Listracanthus anatomy were also discovered.

Appendix 1: Paleontological Research Findings on SCP-2000 Biological Specimens
Listracanthus Specimens
Provisional3 Species Name: Listracanthus lagrangi
Sister taxa: Listracanthus beyrichi, L. eliasi, L. hildrethi, L. hystrix, L. pectenatus, L. spinatus, L. wardi, L. woltersi
Age Range: No earlier than 326.4 Ma4 to 251.0 Ma.5
Ecology: Nektonic carnivore.
Environment: Marine.

L. lagrangi was an extinct holocephalid species. Like all known species of Listracanthus, they were covered in feather-like dermal denticles or Placoid scales; the denticles on an adult L. lagrangi reached up to ten centimeters in length. Each denticle had a single, large main rachis, with barbs emanating from the sides (not unlike feathers in modern birds). L. lagrangi possessed a flexible (possibly prehensile) tooth-whorl on the symphysis of the lower jaw. Unlike other observed Eugenodontida, this tooth-whorl was arranged perpendicular, rather than parallel, to the jaw's axis. Adult L. lagrangi grew up to approximately four meters in length and have a body shape reminiscent of modern eels. It is speculated that L. lagrangi were capable of stationary respiration facilitated by the ability to pump water in through their mouths and out through their gills, similar to modern nurse sharks (Ginglymostoma cirratum).

L. lagrangi is to date absent from the fossil record, known only from the adult specimens found on SCP-2000.

Octopoda Specimens
Provisional6 Species Name: †Domesoctopus prensus7
Sister taxa: Unknown
Age Range: Unknown
Ecology: Nektonic carnivore.
Environment: Marine.

Domesoctopus prensus was an eight-armed cephalopod approximately 67 centimeters in length with no internal skeleton. Its beak, made of chitin, was the only hard part of its body. D. prensus had three hearts; two branchial hearts serving the two sets of gills, and one systemic heart pumping blood throughout the organism's body. Unlike all other identified species of octopuses, D. prensus had blood which contained both hemocyanin and hemoglobin. Due to the deterioration of the specimens discovered on SCP-2000, it is unknown whether the hemoglobin was carried in red blood cells or instead dissolved in the plasma like the hemocyanin. Though the eyes of the specimens shrank postmortem, they were estimated to be roughly three centimeters in diameter prior to death.

Though members of the genus Octopoda are all known for highly complex nervous systems, the nervous system of D. prensus was significantly more complex than any other known Octopod. The nervous system was not anatomically limited to its brain; a full half of an individual's neurons existed in nerve cords in its arms. The extent of the intelligence of D. prensus is not known.

D. prensus is not present in the known fossil record; as cephalopod corpses tend to decompose rapidly, this absence is not unexpected.

Appendix 2: Prevailing Mathematical and Paleolinguistic Conjectures on SCP-2000 Numeral System
Little is known definitively about the language used by the creators of SCP-2000. Given their anatomy and the apparent input and output devices within the station, it seems likely that the language was conveyed through a combination of scents, electrical impulses, and sounds. While some tactile controls exist within the station, there are very few visual displays.

No alphabetical symbols have been identified; indeed, it is entirely unknown if writing was ever a significant method for information storage by SCP-2000’s creators. Though the tooth whorl appendage on the lower jaw of L. lagrangi appears to have had the necessary prehensility to manipulate writing tools, the appendage’s location, the physical impossibility of a L. lagrangi seeing the surface upon which it was writing (given the relative anatomical position of the species’ eyes), and the fact that smell was a far more dominant sense than sight, it seems plausible that species never independently developed written language. It is possible writing was developed after the domestication of D. prensus, given their anatomical suitability. Some members of the research staff believe the ability to write and perform other dexterous tasks may have contributed to the L. lagrangi’s domestication of D. prensus; this view is controversial.

Mathematical symbols, by contrast, have been identified. A total of 56 unique symbols have been identified; these symbols are created with a combination of four related symbols and fourteen related symbols. Analysis shows this to be a coherent sexaquinquagesimal system. While the mathematical researchers were initially unsure why a species would adopt such a complex numeral system, one of the research team’s chondrichthyologists observed that the tidal forces of the moon have an effect on marine life, and that the system could have developed counting the four tides per day and fourteen days between solunar syzygies. This has become the dominant explanatory theory behind the numeral system.

For the sake of clarity and simplicity, all Foundation documents containing the base 56 numbers from SCP-2000 render each numeral with a comma-separated, two digit decimal value. For example, “01,23,45” would represent “(1x56x56)+(23x56)+(45)”, or “4469” in decimal. See Document SCP-2000-0891 for further information.

Appendix 3: Notes on Physical SCP-2000 Writing
Two pictograms and sixteen numbers were physically inscribed within SCP-2000. The pictograms (reproduced in figures one and two) were beneath two of the numbers, 19 (19 in decimal) and 04,11 (235 in decimal) respectively. Though the SCP-2000 research staff agrees on the importance of these pictograms, their meaning is not known.

fig1.jpg fig2.jpg
Fig. 1; reproduction of pictogram located beneath the sexaquinquagesimal numeral 19 Fig. 2; reproduction of pictogram located beneath the sexaquinquagesimal numerals 04,11

The remaining fourteen numbers were written in a column; they are reproduced below, with their corresponding decimal equivalents.

Sexaquinquagesimal Number Decimal Equivalent
0 0
05,38,04,44 997,516
05,38,54,03 1,000,275
20,03,30,17 3,523,425
20,04,24,21 3,526,229
34,42,00,00 6,102,656
49,24,00,00 8,680,448
50,37,00,00 8,896,832
51,47,00,00 9,103,808
53,03,00,00 9,317,056
01,02,07,00,00 10,207,680
01,19,13,00,00 13,211,968
01,23,41,00,00 14,002,240
01,31,13,00,00 15,319,360

This series of numbers (either in sexaquinquagesimal or decimal) is not known to correspond to any series within the Foundation's database. Foundation personnel should direct theories to Dr. Von Schmidt at Area-179.

Appendix 4: Research Logs Relating to Artifact 2000-019
Artifact 2000-019 is an electrical device discovered on SCP-2000. It is shaped as a superhelix approximately thirty centimeters in length and ten centimeters in diameter. When supplied with power and activated by the Rohde-Muller probe, it releases a sequence of aerosolized chemicals, emits a low level electric field of varying intensity, and vibrates such that it would create sounds were it not in a vacuum. The device remains active for eighty-nine seconds before shutting down. Repeated activations result in identical results, suggesting Artifact 2000-019 may be some form of playback device. Figures 3 and 4 offer visual summaries of the behavior of 019 when activated; see Document 2000-A019-5 for further information.

Fig. 3; frequency analysis of Artifact 2000-019's vibrations.
Fig. 4; composite spectrogram of Artifact 2000-019's outputs.

The pulses occurring at t+10, +14, +60, +64, and +82 seconds include a 300% increase in intensity for the device's outputs; there is a 93% correlation between the acoustic, chemical, and electrical outputs of each pulse. Mass spectrometric analysis indicates each pulse contains high concentrations of methanal8, 3-methylindole9, (1R,2S,5R)-2-isopropyl-5-methylcyclohexanol10, methanethiol, 8-methyl-N-vanillyl-trans-6-nonenamide11, indole, and calcium carbonate. These chemicals exist only in trace quantities during the remainder of the playback. From t+0 until t+10 seconds, carbon dioxide, carbon monoxide, and sulfur dioxide are present. The concentration of these chemicals spikes at t+10 seconds and then abruptly declines. They are completely absent from t+18 onward.

Given the cost prohibitive nature of returning artifacts from SCP-2000 as of yet, detailed measurements and scans of Artifact 2000-019 were performed by Rohde-Muller, allowing the Foundation research team on Earth to manufacture a facsimile of the artifact (designated Item 2000-019-F). While an imperfect12 replica, 019-F is considered by a majority of the SCP-2000 research staff to be a useful instrument for learning about SCP-2000 and Artifact 2000-019 until such time as a manned, round-trip expedition to SCP-2000 has been completed. Item 2000-019-F replicates the behavior of Artifact 2000-019 in a vacuum to within a 0.8% margin of error.

On ██/██/████, Item 2000-019-F was placed in the saltwater aquarium tank at Biological Research Sector 30, along with fifteen species of Chondrichthyes, thirty-two species of Osteichthyes, and eight species of cephalopods. The animals were allowed twenty-four hours to acclimate to their environment and establish a behavioral baseline. Item 2000-019-F was placed in the geometric center of the tank; while many of the animals displayed some curiosity towards 019-F, the levels thereof were no greater than they were towards any other part of the tank's environment. Ten seconds after the activation of 019-F, all animals within the tank displayed behavior consistent with the evasion of predators, treating 019-F as a threat greater than any other in their environment. Particularly noteworthy were the reactions of all the Chondrichthyes - every single individual dove immediately to the bottom of the tank, flattened against the tank's floor, and ceased all movement until at least three minutes after the conclusion of 019-F's playback. This resulted in significant fatalities from asphyxiation among the Chondrichthyes, as many of the species were not capable of respiration while stationary. It is unclear whether the reactions by the animals within the tank were instinctual or whether 019-F successfully communicated some form of message.

Appendix 5: Current Prevailing13 Theories Relating to SCP-2000
SCP-2000 suggests that in the distant geological past - over a quarter of a billion years ago - a non-human species indigenous to Earth developed a civilization which reached a level of technological development capable of interplanetary space travel. It is believed this civilization consisted of sapient Chondrichthyes (L. lagrangi) and sentient (if not sapient) Octopoda (D. prensus); the current theory is D. prensus was domesticated by L. lagrangi. This civilization had a space age starting no later than approximately 255.8 Ma and ended no earlier than approximately 251.0 Ma. As L. lagrangi may have existed as early as 326.4 Ma, and likely evolved no later than 320-315 Ma, it is unclear when the civilization first began. If L. lagrangi evolved towards the earlier end of its possible time range, it is possible that it may have overlapped with [REDACTED], which dates from the late Mississippian period, and whose species may have gone extinct during the Carboniferous Rainforest Collapse. The species in all likelihood survived both the Carboniferous Rainforest Collapse approximately 318 Ma and the Olson's Extinction Event approximately 270 Ma. L. lagrangi went extinct and the civilization ended during the Permian-Triassic Extinction Event. This mass extinction, sometimes colloquially referred to as "The Great Dying", was the most severe extinction event in Earth's history, with up to 96% of all marine species, 70% of all terrestrial vertebrate species, 57% percent of all families, and 83% of all genera going extinct. The exact cause of the P-Tr event is subject to scholarly dispute in both open and Foundation academic circles. It is not known whether the lack of discovery of any other remnants of the advanced Permian civilization is a result of a quarter billion years of geological and climatic alterations or if all traces of the civilization apart from SCP-2000 were destroyed by whatever caused the mass extinction.

Appendix 6: Memorandum from SCP-2000 Project Leader to O5 Council

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