{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:XE5RF2DHUROU7D7BTWURLEBZHR","short_pith_number":"pith:XE5RF2DH","canonical_record":{"source":{"id":"1605.06260","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2016-05-20T09:34:44Z","cross_cats_sorted":[],"title_canon_sha256":"632aa0cf9b2f9f32326e1199c4cae05cdaff2fbdb7dfd6306620fdec5d4da003","abstract_canon_sha256":"c9452abc48a644d54dd6f2a41b3327e17e60e1d6ca169f43bc78b83c88cb9bed"},"schema_version":"1.0"},"canonical_sha256":"b93b12e867a45d4f8fe19da91590393c65a7a1274be8f982b50b205eacad5a7b","source":{"kind":"arxiv","id":"1605.06260","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1605.06260","created_at":"2026-05-18T01:14:19Z"},{"alias_kind":"arxiv_version","alias_value":"1605.06260v1","created_at":"2026-05-18T01:14:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1605.06260","created_at":"2026-05-18T01:14:19Z"},{"alias_kind":"pith_short_12","alias_value":"XE5RF2DHUROU","created_at":"2026-05-18T12:30:51Z"},{"alias_kind":"pith_short_16","alias_value":"XE5RF2DHUROU7D7B","created_at":"2026-05-18T12:30:51Z"},{"alias_kind":"pith_short_8","alias_value":"XE5RF2DH","created_at":"2026-05-18T12:30:51Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:XE5RF2DHUROU7D7BTWURLEBZHR","target":"record","payload":{"canonical_record":{"source":{"id":"1605.06260","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2016-05-20T09:34:44Z","cross_cats_sorted":[],"title_canon_sha256":"632aa0cf9b2f9f32326e1199c4cae05cdaff2fbdb7dfd6306620fdec5d4da003","abstract_canon_sha256":"c9452abc48a644d54dd6f2a41b3327e17e60e1d6ca169f43bc78b83c88cb9bed"},"schema_version":"1.0"},"canonical_sha256":"b93b12e867a45d4f8fe19da91590393c65a7a1274be8f982b50b205eacad5a7b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:14:19.421836Z","signature_b64":"bzeFizqU/2vD+U7GnoCl7lE3RMfHy16htrhsJwWRjV6REKcBpwbUZ9nI2ZhiRL53MbxqNvMcHY28YNuTiCK0BA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b93b12e867a45d4f8fe19da91590393c65a7a1274be8f982b50b205eacad5a7b","last_reissued_at":"2026-05-18T01:14:19.421285Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:14:19.421285Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1605.06260","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":"2026-05-18T01:14:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZdZ/5gIpmBp8Tz3teGY8iMUw+/8fldWrZmUPE3WEbdxumN51k+jG83+rJ/hzSoBDCg2iXOOs549bHY/M+4gVCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T10:53:17.782498Z"},"content_sha256":"275b93f898eb5901084091bea9a10973a97d804a81d86056f4a2f82c11f0261f","schema_version":"1.0","event_id":"sha256:275b93f898eb5901084091bea9a10973a97d804a81d86056f4a2f82c11f0261f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:XE5RF2DHUROU7D7BTWURLEBZHR","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Mathematical Models in Isotropic Cosmology","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"Sergio Benenti","submitted_at":"2016-05-20T09:34:44Z","abstract_excerpt":"An axiomatic approach to the mathematical models of the isotropic cosmology."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1605.06260","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":"2026-05-18T01:14:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6VscjACXUNEwr54CeqLhFTaTm+cDtybxFompmCzbczRXtBz94jB5+B6r6TZGCLLmW7NnbFvfwgnG0AnYpxBmAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T10:53:17.783585Z"},"content_sha256":"3c159e8cec0921d89e01963d201f6c9d1358cec77ba6f7e91da5775872e17e9c","schema_version":"1.0","event_id":"sha256:3c159e8cec0921d89e01963d201f6c9d1358cec77ba6f7e91da5775872e17e9c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/XE5RF2DHUROU7D7BTWURLEBZHR/bundle.json","state_url":"https://pith.science/pith/XE5RF2DHUROU7D7BTWURLEBZHR/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/XE5RF2DHUROU7D7BTWURLEBZHR/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":"2026-05-27T10:53:17Z","links":{"resolver":"https://pith.science/pith/XE5RF2DHUROU7D7BTWURLEBZHR","bundle":"https://pith.science/pith/XE5RF2DHUROU7D7BTWURLEBZHR/bundle.json","state":"https://pith.science/pith/XE5RF2DHUROU7D7BTWURLEBZHR/state.json","well_known_bundle":"https://pith.science/.well-known/pith/XE5RF2DHUROU7D7BTWURLEBZHR/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:XE5RF2DHUROU7D7BTWURLEBZHR","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":"c9452abc48a644d54dd6f2a41b3327e17e60e1d6ca169f43bc78b83c88cb9bed","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2016-05-20T09:34:44Z","title_canon_sha256":"632aa0cf9b2f9f32326e1199c4cae05cdaff2fbdb7dfd6306620fdec5d4da003"},"schema_version":"1.0","source":{"id":"1605.06260","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1605.06260","created_at":"2026-05-18T01:14:19Z"},{"alias_kind":"arxiv_version","alias_value":"1605.06260v1","created_at":"2026-05-18T01:14:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1605.06260","created_at":"2026-05-18T01:14:19Z"},{"alias_kind":"pith_short_12","alias_value":"XE5RF2DHUROU","created_at":"2026-05-18T12:30:51Z"},{"alias_kind":"pith_short_16","alias_value":"XE5RF2DHUROU7D7B","created_at":"2026-05-18T12:30:51Z"},{"alias_kind":"pith_short_8","alias_value":"XE5RF2DH","created_at":"2026-05-18T12:30:51Z"}],"graph_snapshots":[{"event_id":"sha256:3c159e8cec0921d89e01963d201f6c9d1358cec77ba6f7e91da5775872e17e9c","target":"graph","created_at":"2026-05-18T01:14:19Z","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":"An axiomatic approach to the mathematical models of the isotropic cosmology.","authors_text":"Sergio Benenti","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2016-05-20T09:34:44Z","title":"Mathematical Models in Isotropic Cosmology"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1605.06260","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":"sha256:275b93f898eb5901084091bea9a10973a97d804a81d86056f4a2f82c11f0261f","target":"record","created_at":"2026-05-18T01:14:19Z","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":"c9452abc48a644d54dd6f2a41b3327e17e60e1d6ca169f43bc78b83c88cb9bed","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2016-05-20T09:34:44Z","title_canon_sha256":"632aa0cf9b2f9f32326e1199c4cae05cdaff2fbdb7dfd6306620fdec5d4da003"},"schema_version":"1.0","source":{"id":"1605.06260","kind":"arxiv","version":1}},"canonical_sha256":"b93b12e867a45d4f8fe19da91590393c65a7a1274be8f982b50b205eacad5a7b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b93b12e867a45d4f8fe19da91590393c65a7a1274be8f982b50b205eacad5a7b","first_computed_at":"2026-05-18T01:14:19.421285Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:14:19.421285Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"bzeFizqU/2vD+U7GnoCl7lE3RMfHy16htrhsJwWRjV6REKcBpwbUZ9nI2ZhiRL53MbxqNvMcHY28YNuTiCK0BA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:14:19.421836Z","signed_message":"canonical_sha256_bytes"},"source_id":"1605.06260","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:275b93f898eb5901084091bea9a10973a97d804a81d86056f4a2f82c11f0261f","sha256:3c159e8cec0921d89e01963d201f6c9d1358cec77ba6f7e91da5775872e17e9c"],"state_sha256":"b94931ca0bb651b5550beeb6a85a6360d8d15024c571c96ea64f69101b3c70e7"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tSXkkD/D79pflJ0WeGNGHNCgAdkwp1pX+IVT1IfueMLnQBrfdis20C+fPQ+1312Xfb/aRQa/7jmc5fV5GBN4Bg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T10:53:17.786735Z","bundle_sha256":"d47dc5e2593c276a660bed96312f02cb31a50d8f2cc612584f731ed782d80891"}}