{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:1999:PH3LV43CP6OKYRNL7F2H7QQRDY","short_pith_number":"pith:PH3LV43C","canonical_record":{"source":{"id":"physics/9912033","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"physics.hist-ph","submitted_at":"1999-12-16T18:29:12Z","cross_cats_sorted":["astro-ph","gr-qc"],"title_canon_sha256":"c5c890150bbe19cf2008a99ede64a1947a8f209b61446c0567f3806f423f3ec9","abstract_canon_sha256":"850352d2746427641036b382ab879bb76cbd7c11c828aba7b668a04039fe3b24"},"schema_version":"1.0"},"canonical_sha256":"79f6baf3627f9cac45abf9747fc2111e1440aec70ca1e60377509e50e54a0777","source":{"kind":"arxiv","id":"physics/9912033","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"physics/9912033","created_at":"2026-07-04T14:48:45Z"},{"alias_kind":"arxiv_version","alias_value":"physics/9912033v1","created_at":"2026-07-04T14:48:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.physics/9912033","created_at":"2026-07-04T14:48:45Z"},{"alias_kind":"pith_short_12","alias_value":"PH3LV43CP6OK","created_at":"2026-07-04T14:48:45Z"},{"alias_kind":"pith_short_16","alias_value":"PH3LV43CP6OKYRNL","created_at":"2026-07-04T14:48:45Z"},{"alias_kind":"pith_short_8","alias_value":"PH3LV43C","created_at":"2026-07-04T14:48:45Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:1999:PH3LV43CP6OKYRNL7F2H7QQRDY","target":"record","payload":{"canonical_record":{"source":{"id":"physics/9912033","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"physics.hist-ph","submitted_at":"1999-12-16T18:29:12Z","cross_cats_sorted":["astro-ph","gr-qc"],"title_canon_sha256":"c5c890150bbe19cf2008a99ede64a1947a8f209b61446c0567f3806f423f3ec9","abstract_canon_sha256":"850352d2746427641036b382ab879bb76cbd7c11c828aba7b668a04039fe3b24"},"schema_version":"1.0"},"canonical_sha256":"79f6baf3627f9cac45abf9747fc2111e1440aec70ca1e60377509e50e54a0777","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T14:48:45.546185Z","signature_b64":"AGqnHKCidxcPTppMtKKVKoV+kD3cvfoqzmRfzRDfbZpWsHLExJDs9UkaIBMOC6bBb1N9OstSfWTf99FCkt5PCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"79f6baf3627f9cac45abf9747fc2111e1440aec70ca1e60377509e50e54a0777","last_reissued_at":"2026-07-04T14:48:45.545767Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T14:48:45.545767Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"physics/9912033","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":"2026-07-04T14:48:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sEDYv4fBPc/OpA0TJA0Mmi4Gq2/pme8ARF47K3UEKV8tp3qsQo8Ed9XLTiYSFVVg7VWj8w2bKlbR195gkpObBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-16T13:57:10.121666Z"},"content_sha256":"59edc45979f28f21bd7ab0dd0b9cd88a6efac25b112ba41f3bc8e285223d699e","schema_version":"1.0","event_id":"sha256:59edc45979f28f21bd7ab0dd0b9cd88a6efac25b112ba41f3bc8e285223d699e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:1999:PH3LV43CP6OKYRNL7F2H7QQRDY","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"On the gravitational field of a sphere of incompressible fluid according to Einstein's theory","license":"","headline":"","cross_cats":["astro-ph","gr-qc"],"primary_cat":"physics.hist-ph","authors_text":"K. Schwarzschild (translation by S. Antoci)","submitted_at":"1999-12-16T18:29:12Z","abstract_excerpt":"Communication by K. Schwarzschild to the Prussian Academy of Sciences, dealing with the gravitational field of a sphere of incompressible fluid."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"physics/9912033","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/physics/9912033/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-04T14:48:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"u2xKHuUUgSseEqVg+ptwz/1nT7qJjDYOnkjF6eAmZQ6oBZFIUtexhuHhV/TcbagCuOP+6GNSLajSWmcXGQl5Dg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-16T13:57:10.122180Z"},"content_sha256":"43bda61e01f41b98c7b419893d14719db6f3311942f7fadcd6b5310d8378a9da","schema_version":"1.0","event_id":"sha256:43bda61e01f41b98c7b419893d14719db6f3311942f7fadcd6b5310d8378a9da"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/PH3LV43CP6OKYRNL7F2H7QQRDY/bundle.json","state_url":"https://pith.science/pith/PH3LV43CP6OKYRNL7F2H7QQRDY/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/PH3LV43CP6OKYRNL7F2H7QQRDY/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":"2026-08-16T13:57:10Z","links":{"resolver":"https://pith.science/pith/PH3LV43CP6OKYRNL7F2H7QQRDY","bundle":"https://pith.science/pith/PH3LV43CP6OKYRNL7F2H7QQRDY/bundle.json","state":"https://pith.science/pith/PH3LV43CP6OKYRNL7F2H7QQRDY/state.json","well_known_bundle":"https://pith.science/.well-known/pith/PH3LV43CP6OKYRNL7F2H7QQRDY/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1999:PH3LV43CP6OKYRNL7F2H7QQRDY","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":"850352d2746427641036b382ab879bb76cbd7c11c828aba7b668a04039fe3b24","cross_cats_sorted":["astro-ph","gr-qc"],"license":"","primary_cat":"physics.hist-ph","submitted_at":"1999-12-16T18:29:12Z","title_canon_sha256":"c5c890150bbe19cf2008a99ede64a1947a8f209b61446c0567f3806f423f3ec9"},"schema_version":"1.0","source":{"id":"physics/9912033","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"physics/9912033","created_at":"2026-07-04T14:48:45Z"},{"alias_kind":"arxiv_version","alias_value":"physics/9912033v1","created_at":"2026-07-04T14:48:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.physics/9912033","created_at":"2026-07-04T14:48:45Z"},{"alias_kind":"pith_short_12","alias_value":"PH3LV43CP6OK","created_at":"2026-07-04T14:48:45Z"},{"alias_kind":"pith_short_16","alias_value":"PH3LV43CP6OKYRNL","created_at":"2026-07-04T14:48:45Z"},{"alias_kind":"pith_short_8","alias_value":"PH3LV43C","created_at":"2026-07-04T14:48:45Z"}],"graph_snapshots":[{"event_id":"sha256:43bda61e01f41b98c7b419893d14719db6f3311942f7fadcd6b5310d8378a9da","target":"graph","created_at":"2026-07-04T14:48:45Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/physics/9912033/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Communication by K. Schwarzschild to the Prussian Academy of Sciences, dealing with the gravitational field of a sphere of incompressible fluid.","authors_text":"K. Schwarzschild (translation by S. Antoci)","cross_cats":["astro-ph","gr-qc"],"headline":"","license":"","primary_cat":"physics.hist-ph","submitted_at":"1999-12-16T18:29:12Z","title":"On the gravitational field of a sphere of incompressible fluid according to Einstein's theory"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"physics/9912033","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":"sha256:59edc45979f28f21bd7ab0dd0b9cd88a6efac25b112ba41f3bc8e285223d699e","target":"record","created_at":"2026-07-04T14:48:45Z","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":"850352d2746427641036b382ab879bb76cbd7c11c828aba7b668a04039fe3b24","cross_cats_sorted":["astro-ph","gr-qc"],"license":"","primary_cat":"physics.hist-ph","submitted_at":"1999-12-16T18:29:12Z","title_canon_sha256":"c5c890150bbe19cf2008a99ede64a1947a8f209b61446c0567f3806f423f3ec9"},"schema_version":"1.0","source":{"id":"physics/9912033","kind":"arxiv","version":1}},"canonical_sha256":"79f6baf3627f9cac45abf9747fc2111e1440aec70ca1e60377509e50e54a0777","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"79f6baf3627f9cac45abf9747fc2111e1440aec70ca1e60377509e50e54a0777","first_computed_at":"2026-07-04T14:48:45.545767Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T14:48:45.545767Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"AGqnHKCidxcPTppMtKKVKoV+kD3cvfoqzmRfzRDfbZpWsHLExJDs9UkaIBMOC6bBb1N9OstSfWTf99FCkt5PCg==","signature_status":"signed_v1","signed_at":"2026-07-04T14:48:45.546185Z","signed_message":"canonical_sha256_bytes"},"source_id":"physics/9912033","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:59edc45979f28f21bd7ab0dd0b9cd88a6efac25b112ba41f3bc8e285223d699e","sha256:43bda61e01f41b98c7b419893d14719db6f3311942f7fadcd6b5310d8378a9da"],"state_sha256":"caa66f8bf33d48c9f21fdef68fbb234939e3f1beefc45dac15c06d94ea246328"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TIMKWubLDLVHmeIHZmVhhVdavldccoM6mDzOsjzWvdjzRdwyDIg57cfFxl5d2BWSwg4sWZCzHUxf36ClkIzrBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-16T13:57:10.126693Z","bundle_sha256":"40dc6918c087bdf8757d1831f50c8a135889087b9e24b46ce030d163168abf04"}}