{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:MAGDVTKXMS35V7I6G7FNH73JJN","short_pith_number":"pith:MAGDVTKX","canonical_record":{"source":{"id":"1302.4866","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2013-02-20T10:44:27Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"89712492e9f8da4f6ddcc4cc06d21211787b724938a42d92a95c879eb7bfa61c","abstract_canon_sha256":"1edc8b87baa2e62684d96128e521fb32a846aace56cc961daafeddd8daa52201"},"schema_version":"1.0"},"canonical_sha256":"600c3acd5764b7dafd1e37cad3ff694b48d6e75333237ff6c74496080624935c","source":{"kind":"arxiv","id":"1302.4866","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1302.4866","created_at":"2026-05-18T03:33:10Z"},{"alias_kind":"arxiv_version","alias_value":"1302.4866v1","created_at":"2026-05-18T03:33:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1302.4866","created_at":"2026-05-18T03:33:10Z"},{"alias_kind":"pith_short_12","alias_value":"MAGDVTKXMS35","created_at":"2026-05-18T12:27:51Z"},{"alias_kind":"pith_short_16","alias_value":"MAGDVTKXMS35V7I6","created_at":"2026-05-18T12:27:51Z"},{"alias_kind":"pith_short_8","alias_value":"MAGDVTKX","created_at":"2026-05-18T12:27:51Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:MAGDVTKXMS35V7I6G7FNH73JJN","target":"record","payload":{"canonical_record":{"source":{"id":"1302.4866","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2013-02-20T10:44:27Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"89712492e9f8da4f6ddcc4cc06d21211787b724938a42d92a95c879eb7bfa61c","abstract_canon_sha256":"1edc8b87baa2e62684d96128e521fb32a846aace56cc961daafeddd8daa52201"},"schema_version":"1.0"},"canonical_sha256":"600c3acd5764b7dafd1e37cad3ff694b48d6e75333237ff6c74496080624935c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:33:10.772713Z","signature_b64":"B9bIaVMmQZ250Fh1oc7jC7WD1fv9kKZck3h1uvPEhP/Fcto3QhToxqEzrK6ydAbYobH+z34vH1hlYl5KxnBlAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"600c3acd5764b7dafd1e37cad3ff694b48d6e75333237ff6c74496080624935c","last_reissued_at":"2026-05-18T03:33:10.772074Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:33:10.772074Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1302.4866","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T03:33:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uopvsydurxaBADTB4Y49onxrgOAPpbI5JXe+grSIL6rWRLA8gk+344l71qjTvNssGNFkTkHjUH5+dldwonngBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T20:02:35.741282Z"},"content_sha256":"70ce07632e90cfadd246b34af47301d791384150f640cfa4d186ee4010a778a9","schema_version":"1.0","event_id":"sha256:70ce07632e90cfadd246b34af47301d791384150f640cfa4d186ee4010a778a9"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:MAGDVTKXMS35V7I6G7FNH73JJN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Cosmological implications of Geometrothermodynamics","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"gr-qc","authors_text":"Hernando Quevedo, Orlando Luongo","submitted_at":"2013-02-20T10:44:27Z","abstract_excerpt":"We use the formalism of Geometrothermodynamics to derive a series of fundamental equations for thermodynamic systems. It is shown that all these fundamental equations can be used in the context of relativistic cosmology to derive diverse scenarios which include the standard cosmological model, a unified model for dark energy and dark matter, and an effective inflationary model."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1302.4866","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T03:33:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"C3PlrhgKyXBCSZmnefOwKb1mMR2YzADn3rv0nfvn6aCdbvcBAJNY8MiD1y9xP6mwTM/U53ynKNLAo9JCY9/QDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T20:02:35.741947Z"},"content_sha256":"47c4017853edd89a3961b7a7544ed1449e914a108b5d043f765fe380cd1a6562","schema_version":"1.0","event_id":"sha256:47c4017853edd89a3961b7a7544ed1449e914a108b5d043f765fe380cd1a6562"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MAGDVTKXMS35V7I6G7FNH73JJN/bundle.json","state_url":"https://pith.science/pith/MAGDVTKXMS35V7I6G7FNH73JJN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MAGDVTKXMS35V7I6G7FNH73JJN/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-05-28T20:02:35Z","links":{"resolver":"https://pith.science/pith/MAGDVTKXMS35V7I6G7FNH73JJN","bundle":"https://pith.science/pith/MAGDVTKXMS35V7I6G7FNH73JJN/bundle.json","state":"https://pith.science/pith/MAGDVTKXMS35V7I6G7FNH73JJN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MAGDVTKXMS35V7I6G7FNH73JJN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:MAGDVTKXMS35V7I6G7FNH73JJN","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"1edc8b87baa2e62684d96128e521fb32a846aace56cc961daafeddd8daa52201","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2013-02-20T10:44:27Z","title_canon_sha256":"89712492e9f8da4f6ddcc4cc06d21211787b724938a42d92a95c879eb7bfa61c"},"schema_version":"1.0","source":{"id":"1302.4866","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1302.4866","created_at":"2026-05-18T03:33:10Z"},{"alias_kind":"arxiv_version","alias_value":"1302.4866v1","created_at":"2026-05-18T03:33:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1302.4866","created_at":"2026-05-18T03:33:10Z"},{"alias_kind":"pith_short_12","alias_value":"MAGDVTKXMS35","created_at":"2026-05-18T12:27:51Z"},{"alias_kind":"pith_short_16","alias_value":"MAGDVTKXMS35V7I6","created_at":"2026-05-18T12:27:51Z"},{"alias_kind":"pith_short_8","alias_value":"MAGDVTKX","created_at":"2026-05-18T12:27:51Z"}],"graph_snapshots":[{"event_id":"sha256:47c4017853edd89a3961b7a7544ed1449e914a108b5d043f765fe380cd1a6562","target":"graph","created_at":"2026-05-18T03:33:10Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"We use the formalism of Geometrothermodynamics to derive a series of fundamental equations for thermodynamic systems. It is shown that all these fundamental equations can be used in the context of relativistic cosmology to derive diverse scenarios which include the standard cosmological model, a unified model for dark energy and dark matter, and an effective inflationary model.","authors_text":"Hernando Quevedo, Orlando Luongo","cross_cats":["astro-ph.CO"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2013-02-20T10:44:27Z","title":"Cosmological implications of Geometrothermodynamics"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1302.4866","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:70ce07632e90cfadd246b34af47301d791384150f640cfa4d186ee4010a778a9","target":"record","created_at":"2026-05-18T03:33:10Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"1edc8b87baa2e62684d96128e521fb32a846aace56cc961daafeddd8daa52201","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2013-02-20T10:44:27Z","title_canon_sha256":"89712492e9f8da4f6ddcc4cc06d21211787b724938a42d92a95c879eb7bfa61c"},"schema_version":"1.0","source":{"id":"1302.4866","kind":"arxiv","version":1}},"canonical_sha256":"600c3acd5764b7dafd1e37cad3ff694b48d6e75333237ff6c74496080624935c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"600c3acd5764b7dafd1e37cad3ff694b48d6e75333237ff6c74496080624935c","first_computed_at":"2026-05-18T03:33:10.772074Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:33:10.772074Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"B9bIaVMmQZ250Fh1oc7jC7WD1fv9kKZck3h1uvPEhP/Fcto3QhToxqEzrK6ydAbYobH+z34vH1hlYl5KxnBlAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T03:33:10.772713Z","signed_message":"canonical_sha256_bytes"},"source_id":"1302.4866","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:70ce07632e90cfadd246b34af47301d791384150f640cfa4d186ee4010a778a9","sha256:47c4017853edd89a3961b7a7544ed1449e914a108b5d043f765fe380cd1a6562"],"state_sha256":"fcd24a5bb6189b700d403d296573969730e657688810e27dd5ab94a2be614a8c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"W0tvWN+wBcqBiaWriivAd5t426guhREc3TtlLtJnWnCIrBjSBerVt5o4lHvIsymxX/x96YqLzCpY9wrloHDYDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T20:02:35.745816Z","bundle_sha256":"8d3d61afb439b05205504dab43c1f8b64bce01229f4379b6a2db5f95c3b22435"}}