{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:O6YOTJZM7XVHVHH3ZBRYGDUL47","short_pith_number":"pith:O6YOTJZM","canonical_record":{"source":{"id":"1601.00472","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2016-01-04T12:14:05Z","cross_cats_sorted":[],"title_canon_sha256":"3e117b60bac49169a1cfeddee3f8d8d1acb1daaa4a3543c42287a3988b789254","abstract_canon_sha256":"e6417790f11e7bde36838a110f3a0ad610e14efab89e3745c6b11b1572b1f0be"},"schema_version":"1.0"},"canonical_sha256":"77b0e9a72cfdea7a9cfbc863830e8be7c08c6c2644e8f5943790a6842ef381f1","source":{"kind":"arxiv","id":"1601.00472","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1601.00472","created_at":"2026-05-18T01:23:27Z"},{"alias_kind":"arxiv_version","alias_value":"1601.00472v1","created_at":"2026-05-18T01:23:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1601.00472","created_at":"2026-05-18T01:23:27Z"},{"alias_kind":"pith_short_12","alias_value":"O6YOTJZM7XVH","created_at":"2026-05-18T12:30:36Z"},{"alias_kind":"pith_short_16","alias_value":"O6YOTJZM7XVHVHH3","created_at":"2026-05-18T12:30:36Z"},{"alias_kind":"pith_short_8","alias_value":"O6YOTJZM","created_at":"2026-05-18T12:30:36Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:O6YOTJZM7XVHVHH3ZBRYGDUL47","target":"record","payload":{"canonical_record":{"source":{"id":"1601.00472","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2016-01-04T12:14:05Z","cross_cats_sorted":[],"title_canon_sha256":"3e117b60bac49169a1cfeddee3f8d8d1acb1daaa4a3543c42287a3988b789254","abstract_canon_sha256":"e6417790f11e7bde36838a110f3a0ad610e14efab89e3745c6b11b1572b1f0be"},"schema_version":"1.0"},"canonical_sha256":"77b0e9a72cfdea7a9cfbc863830e8be7c08c6c2644e8f5943790a6842ef381f1","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:23:27.357480Z","signature_b64":"tlwJjyVN3ZDy4/2DqyGDR3e90uXzb+YU7vY0JbBs1XgZAeSt4/6662pThq6gBPFJwegLhNbvU9itJaP2UCq6Dg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"77b0e9a72cfdea7a9cfbc863830e8be7c08c6c2644e8f5943790a6842ef381f1","last_reissued_at":"2026-05-18T01:23:27.356884Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:23:27.356884Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1601.00472","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":"2026-05-18T01:23:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LrysF4mU2Gg0MlpDilBvC0GzwOzd3yrSYzwgzcl3M6boT+smStVBymauSf6Nh6n4yDjxgr60P4Mw34zCa0kOBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T09:17:59.728310Z"},"content_sha256":"501b42b3f7363c163aef0427b6c362d8c644a1eba230a9f461254b82b95bec7a","schema_version":"1.0","event_id":"sha256:501b42b3f7363c163aef0427b6c362d8c644a1eba230a9f461254b82b95bec7a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:O6YOTJZM7XVHVHH3ZBRYGDUL47","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Intrinsic time in Friedmann-Robertson-Walker universe","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"Alexander Pavlov","submitted_at":"2016-01-04T12:14:05Z","abstract_excerpt":"A global intrinsic time in Friedmann - Robertson - Walker models is proportional to a scaling factor of the spatial metric. The aim of the paper is to study an applicability of the intrinsic global time chosen to nearest non-symmetric cases by taking into account linear metric perturbations. Scalar linear perturbations add some corrections to the effective energy density in the Hubble law. The metric vector and tensor perturbations in linear approximation do not influence the intrinsic time."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1601.00472","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":"2026-05-18T01:23:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xVfP+WAMFQsjZx9uPePNaK0vlCPfXakYzeFGjaUpopyNg64M8dBH1+W8FDElDmhW03Dd0Qtmvwaf9sT5aH/2Ag==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T09:17:59.728660Z"},"content_sha256":"f56af1f083645ec95483932b305521db3be39350aa9dc0aefae5676b33be34fe","schema_version":"1.0","event_id":"sha256:f56af1f083645ec95483932b305521db3be39350aa9dc0aefae5676b33be34fe"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/O6YOTJZM7XVHVHH3ZBRYGDUL47/bundle.json","state_url":"https://pith.science/pith/O6YOTJZM7XVHVHH3ZBRYGDUL47/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/O6YOTJZM7XVHVHH3ZBRYGDUL47/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":"2026-06-03T09:17:59Z","links":{"resolver":"https://pith.science/pith/O6YOTJZM7XVHVHH3ZBRYGDUL47","bundle":"https://pith.science/pith/O6YOTJZM7XVHVHH3ZBRYGDUL47/bundle.json","state":"https://pith.science/pith/O6YOTJZM7XVHVHH3ZBRYGDUL47/state.json","well_known_bundle":"https://pith.science/.well-known/pith/O6YOTJZM7XVHVHH3ZBRYGDUL47/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:O6YOTJZM7XVHVHH3ZBRYGDUL47","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":"e6417790f11e7bde36838a110f3a0ad610e14efab89e3745c6b11b1572b1f0be","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2016-01-04T12:14:05Z","title_canon_sha256":"3e117b60bac49169a1cfeddee3f8d8d1acb1daaa4a3543c42287a3988b789254"},"schema_version":"1.0","source":{"id":"1601.00472","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1601.00472","created_at":"2026-05-18T01:23:27Z"},{"alias_kind":"arxiv_version","alias_value":"1601.00472v1","created_at":"2026-05-18T01:23:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1601.00472","created_at":"2026-05-18T01:23:27Z"},{"alias_kind":"pith_short_12","alias_value":"O6YOTJZM7XVH","created_at":"2026-05-18T12:30:36Z"},{"alias_kind":"pith_short_16","alias_value":"O6YOTJZM7XVHVHH3","created_at":"2026-05-18T12:30:36Z"},{"alias_kind":"pith_short_8","alias_value":"O6YOTJZM","created_at":"2026-05-18T12:30:36Z"}],"graph_snapshots":[{"event_id":"sha256:f56af1f083645ec95483932b305521db3be39350aa9dc0aefae5676b33be34fe","target":"graph","created_at":"2026-05-18T01:23:27Z","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":"A global intrinsic time in Friedmann - Robertson - Walker models is proportional to a scaling factor of the spatial metric. The aim of the paper is to study an applicability of the intrinsic global time chosen to nearest non-symmetric cases by taking into account linear metric perturbations. Scalar linear perturbations add some corrections to the effective energy density in the Hubble law. The metric vector and tensor perturbations in linear approximation do not influence the intrinsic time.","authors_text":"Alexander Pavlov","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2016-01-04T12:14:05Z","title":"Intrinsic time in Friedmann-Robertson-Walker universe"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1601.00472","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":"sha256:501b42b3f7363c163aef0427b6c362d8c644a1eba230a9f461254b82b95bec7a","target":"record","created_at":"2026-05-18T01:23:27Z","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":"e6417790f11e7bde36838a110f3a0ad610e14efab89e3745c6b11b1572b1f0be","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2016-01-04T12:14:05Z","title_canon_sha256":"3e117b60bac49169a1cfeddee3f8d8d1acb1daaa4a3543c42287a3988b789254"},"schema_version":"1.0","source":{"id":"1601.00472","kind":"arxiv","version":1}},"canonical_sha256":"77b0e9a72cfdea7a9cfbc863830e8be7c08c6c2644e8f5943790a6842ef381f1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"77b0e9a72cfdea7a9cfbc863830e8be7c08c6c2644e8f5943790a6842ef381f1","first_computed_at":"2026-05-18T01:23:27.356884Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:23:27.356884Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"tlwJjyVN3ZDy4/2DqyGDR3e90uXzb+YU7vY0JbBs1XgZAeSt4/6662pThq6gBPFJwegLhNbvU9itJaP2UCq6Dg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:23:27.357480Z","signed_message":"canonical_sha256_bytes"},"source_id":"1601.00472","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:501b42b3f7363c163aef0427b6c362d8c644a1eba230a9f461254b82b95bec7a","sha256:f56af1f083645ec95483932b305521db3be39350aa9dc0aefae5676b33be34fe"],"state_sha256":"f13196ba1abcdaf14a4ac7a06c914fc3b8796ab1cb4aec87eec271fdcbe27536"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FIuPdInSu0iqawbA7VAztFhfID2Xr7Qa27jyLiZeFYvg6UDcdfSWnyDUNYfiCiTFB7y4snSbi/YPvfkGxmRvAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-03T09:17:59.730493Z","bundle_sha256":"f030f31533903264cafad8a01e306c12e9aebd12876ee9884b78732271dbe61e"}}