{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2008:5GRQJJ6USSYJ4YHF3UDZRVWDFB","short_pith_number":"pith:5GRQJJ6U","canonical_record":{"source":{"id":"0801.1513","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"math.GT","submitted_at":"2008-01-09T21:39:35Z","cross_cats_sorted":["math.SG"],"title_canon_sha256":"c0fd1d316029872d2603896d258887f5c3e3709d9aea2a79cbe51ff4b2eafc87","abstract_canon_sha256":"1e4315a6540e05c03887351773caccc70bc7d5d2601393d6aa7d0ba01536d6f5"},"schema_version":"1.0"},"canonical_sha256":"e9a304a7d494b09e60e5dd0798d6c32848df384376c2eb001d0b3afbdb25b86d","source":{"kind":"arxiv","id":"0801.1513","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0801.1513","created_at":"2026-05-18T03:55:37Z"},{"alias_kind":"arxiv_version","alias_value":"0801.1513v2","created_at":"2026-05-18T03:55:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0801.1513","created_at":"2026-05-18T03:55:37Z"},{"alias_kind":"pith_short_12","alias_value":"5GRQJJ6USSYJ","created_at":"2026-05-18T12:25:56Z"},{"alias_kind":"pith_short_16","alias_value":"5GRQJJ6USSYJ4YHF","created_at":"2026-05-18T12:25:56Z"},{"alias_kind":"pith_short_8","alias_value":"5GRQJJ6U","created_at":"2026-05-18T12:25:56Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2008:5GRQJJ6USSYJ4YHF3UDZRVWDFB","target":"record","payload":{"canonical_record":{"source":{"id":"0801.1513","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"math.GT","submitted_at":"2008-01-09T21:39:35Z","cross_cats_sorted":["math.SG"],"title_canon_sha256":"c0fd1d316029872d2603896d258887f5c3e3709d9aea2a79cbe51ff4b2eafc87","abstract_canon_sha256":"1e4315a6540e05c03887351773caccc70bc7d5d2601393d6aa7d0ba01536d6f5"},"schema_version":"1.0"},"canonical_sha256":"e9a304a7d494b09e60e5dd0798d6c32848df384376c2eb001d0b3afbdb25b86d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:55:37.807591Z","signature_b64":"/5Y8zH7lPjvqqpqBqit7eZOERz1YiR/YIY4TbHuV84UDLn4z0OyTFxL23fT6sDcaTW2vy/iT5F+HwVbdNPqOAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e9a304a7d494b09e60e5dd0798d6c32848df384376c2eb001d0b3afbdb25b86d","last_reissued_at":"2026-05-18T03:55:37.806876Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:55:37.806876Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0801.1513","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T03:55:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Z4hZGJI92pW63l2xEMRcmDr7lbYZMip5aZ7Jr8HperuF30dSgIqDat0BAb20AfU8EucjVmHc8wMZybmNT/fKCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T15:55:30.305662Z"},"content_sha256":"1e48602aae117e77a714b5f1b6103a63298ad3c133e89f4ffa9e06f0a8ca09af","schema_version":"1.0","event_id":"sha256:1e48602aae117e77a714b5f1b6103a63298ad3c133e89f4ffa9e06f0a8ca09af"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2008:5GRQJJ6USSYJ4YHF3UDZRVWDFB","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Symplectic 4-manifolds with a free circle action","license":"","headline":"","cross_cats":["math.SG"],"primary_cat":"math.GT","authors_text":"Stefan Friedl, Stefano Vidussi","submitted_at":"2008-01-09T21:39:35Z","abstract_excerpt":"The content of this unpublished paper is subsumed in successive work of the authors, in particular arXiv:1102.0820, arXiv:1102.0821 and arXiv:1205.2434."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0801.1513","kind":"arxiv","version":2},"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":"2026-05-18T03:55:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+FBeqJF/fpssbAWbhdDQ1lt7IAnhRAka/gu2Y4ahAD3T3srsh3rEfRL1W7n4cReldiYVsjC/nybPd+Rb/NAqAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T15:55:30.306339Z"},"content_sha256":"b6ab0100ee303945df568ed832cf8cd732ff7b758a203e34611bd612ea12e44f","schema_version":"1.0","event_id":"sha256:b6ab0100ee303945df568ed832cf8cd732ff7b758a203e34611bd612ea12e44f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5GRQJJ6USSYJ4YHF3UDZRVWDFB/bundle.json","state_url":"https://pith.science/pith/5GRQJJ6USSYJ4YHF3UDZRVWDFB/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5GRQJJ6USSYJ4YHF3UDZRVWDFB/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":"2026-05-27T15:55:30Z","links":{"resolver":"https://pith.science/pith/5GRQJJ6USSYJ4YHF3UDZRVWDFB","bundle":"https://pith.science/pith/5GRQJJ6USSYJ4YHF3UDZRVWDFB/bundle.json","state":"https://pith.science/pith/5GRQJJ6USSYJ4YHF3UDZRVWDFB/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5GRQJJ6USSYJ4YHF3UDZRVWDFB/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2008:5GRQJJ6USSYJ4YHF3UDZRVWDFB","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":"1e4315a6540e05c03887351773caccc70bc7d5d2601393d6aa7d0ba01536d6f5","cross_cats_sorted":["math.SG"],"license":"","primary_cat":"math.GT","submitted_at":"2008-01-09T21:39:35Z","title_canon_sha256":"c0fd1d316029872d2603896d258887f5c3e3709d9aea2a79cbe51ff4b2eafc87"},"schema_version":"1.0","source":{"id":"0801.1513","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0801.1513","created_at":"2026-05-18T03:55:37Z"},{"alias_kind":"arxiv_version","alias_value":"0801.1513v2","created_at":"2026-05-18T03:55:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0801.1513","created_at":"2026-05-18T03:55:37Z"},{"alias_kind":"pith_short_12","alias_value":"5GRQJJ6USSYJ","created_at":"2026-05-18T12:25:56Z"},{"alias_kind":"pith_short_16","alias_value":"5GRQJJ6USSYJ4YHF","created_at":"2026-05-18T12:25:56Z"},{"alias_kind":"pith_short_8","alias_value":"5GRQJJ6U","created_at":"2026-05-18T12:25:56Z"}],"graph_snapshots":[{"event_id":"sha256:b6ab0100ee303945df568ed832cf8cd732ff7b758a203e34611bd612ea12e44f","target":"graph","created_at":"2026-05-18T03:55:37Z","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":"The content of this unpublished paper is subsumed in successive work of the authors, in particular arXiv:1102.0820, arXiv:1102.0821 and arXiv:1205.2434.","authors_text":"Stefan Friedl, Stefano Vidussi","cross_cats":["math.SG"],"headline":"","license":"","primary_cat":"math.GT","submitted_at":"2008-01-09T21:39:35Z","title":"Symplectic 4-manifolds with a free circle action"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0801.1513","kind":"arxiv","version":2},"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":"sha256:1e48602aae117e77a714b5f1b6103a63298ad3c133e89f4ffa9e06f0a8ca09af","target":"record","created_at":"2026-05-18T03:55:37Z","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":"1e4315a6540e05c03887351773caccc70bc7d5d2601393d6aa7d0ba01536d6f5","cross_cats_sorted":["math.SG"],"license":"","primary_cat":"math.GT","submitted_at":"2008-01-09T21:39:35Z","title_canon_sha256":"c0fd1d316029872d2603896d258887f5c3e3709d9aea2a79cbe51ff4b2eafc87"},"schema_version":"1.0","source":{"id":"0801.1513","kind":"arxiv","version":2}},"canonical_sha256":"e9a304a7d494b09e60e5dd0798d6c32848df384376c2eb001d0b3afbdb25b86d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e9a304a7d494b09e60e5dd0798d6c32848df384376c2eb001d0b3afbdb25b86d","first_computed_at":"2026-05-18T03:55:37.806876Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:55:37.806876Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"/5Y8zH7lPjvqqpqBqit7eZOERz1YiR/YIY4TbHuV84UDLn4z0OyTFxL23fT6sDcaTW2vy/iT5F+HwVbdNPqOAA==","signature_status":"signed_v1","signed_at":"2026-05-18T03:55:37.807591Z","signed_message":"canonical_sha256_bytes"},"source_id":"0801.1513","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1e48602aae117e77a714b5f1b6103a63298ad3c133e89f4ffa9e06f0a8ca09af","sha256:b6ab0100ee303945df568ed832cf8cd732ff7b758a203e34611bd612ea12e44f"],"state_sha256":"03794c868552928559f5b1748fccaa885c906c8d1de2d68f5f0e1011ab4976e2"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ErYQORklvJHDv5tN1ZWYLKFWWhAovsXjW0CtzvcVfyNP/SuLigPFmpuLVymGYu7ZRkVacsxDIDy9C4o1xo/oDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T15:55:30.310242Z","bundle_sha256":"b2e20f2427c1ef876f9010baea28ded4ea1c1c6766bb3191c38714a537d3be0a"}}