{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:EVE7QU7Y4Y2J5YVPY2XP3QXEGJ","short_pith_number":"pith:EVE7QU7Y","canonical_record":{"source":{"id":"1607.05251","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2016-07-18T19:39:23Z","cross_cats_sorted":["physics.comp-ph","physics.data-an","physics.hist-ph","physics.ins-det"],"title_canon_sha256":"ad7d63e06b4c55badcd0d1c2cab96ce1133f7f9cf663fd0b2bbed45bd81f76e2","abstract_canon_sha256":"bebdba498ed30e4dff913a1c6061c283128ce855faab8758fc0c8e71997617c7"},"schema_version":"1.0"},"canonical_sha256":"2549f853f8e6349ee2afc6aefdc2e4326d7e7e67cb44d2f3a1553388516bf31a","source":{"kind":"arxiv","id":"1607.05251","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1607.05251","created_at":"2026-05-18T01:10:55Z"},{"alias_kind":"arxiv_version","alias_value":"1607.05251v1","created_at":"2026-05-18T01:10:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1607.05251","created_at":"2026-05-18T01:10:55Z"},{"alias_kind":"pith_short_12","alias_value":"EVE7QU7Y4Y2J","created_at":"2026-05-18T12:30:15Z"},{"alias_kind":"pith_short_16","alias_value":"EVE7QU7Y4Y2J5YVP","created_at":"2026-05-18T12:30:15Z"},{"alias_kind":"pith_short_8","alias_value":"EVE7QU7Y","created_at":"2026-05-18T12:30:15Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:EVE7QU7Y4Y2J5YVPY2XP3QXEGJ","target":"record","payload":{"canonical_record":{"source":{"id":"1607.05251","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2016-07-18T19:39:23Z","cross_cats_sorted":["physics.comp-ph","physics.data-an","physics.hist-ph","physics.ins-det"],"title_canon_sha256":"ad7d63e06b4c55badcd0d1c2cab96ce1133f7f9cf663fd0b2bbed45bd81f76e2","abstract_canon_sha256":"bebdba498ed30e4dff913a1c6061c283128ce855faab8758fc0c8e71997617c7"},"schema_version":"1.0"},"canonical_sha256":"2549f853f8e6349ee2afc6aefdc2e4326d7e7e67cb44d2f3a1553388516bf31a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:10:55.586734Z","signature_b64":"zCjTEJ2lidYoL7/hEnzlTRebwqHmdBtEooUiGAMdgQF3YKXzLDN9gBVzcRtDw+SYSpK86ZV3waloPDSVuvyKDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2549f853f8e6349ee2afc6aefdc2e4326d7e7e67cb44d2f3a1553388516bf31a","last_reissued_at":"2026-05-18T01:10:55.586193Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:10:55.586193Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1607.05251","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":"2026-05-18T01:10:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Mpkmf2fz9nPLTfrQnXxa1JgeKTbMnT6A5300vV3ebUeldTEnUKwlqFymGYohi/eV5TGVUUmWghm950cFQ8xoCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T19:42:06.769676Z"},"content_sha256":"91c42d9396f4ad26c9e989db3da35a7f278fd902f003238818eb06b5b932ab7f","schema_version":"1.0","event_id":"sha256:91c42d9396f4ad26c9e989db3da35a7f278fd902f003238818eb06b5b932ab7f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:EVE7QU7Y4Y2J5YVPY2XP3QXEGJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Emergence of Gravitational Wave Science: 100 Years of Development of Mathematical Theory, Detectors, Numerical Algorithms, and Data Analysis Tools","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.comp-ph","physics.data-an","physics.hist-ph","physics.ins-det"],"primary_cat":"gr-qc","authors_text":"Manuel Tiglio, Michael Holst, Michele Vallisneri, Olivier Sarbach","submitted_at":"2016-07-18T19:39:23Z","abstract_excerpt":"On September 14, 2015, the newly upgraded Laser Interferometer Gravitational-wave Observatory (LIGO) recorded a loud gravitational-wave (GW) signal, emitted a billion light-years away by a coalescing binary of two stellar-mass black holes. The detection was announced in February 2016, in time for the hundredth anniversary of Einstein's prediction of GWs within the theory of general relativity (GR). The signal represents the first direct detection of GWs, the first observation of a black-hole binary, and the first test of GR in its strong-field, high-velocity, nonlinear regime. In the remainder"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1607.05251","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":"2026-05-18T01:10:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ST8+OckKZ4ElgSekHIJCP9gFzTH0uaVgyJJbPXgNLjgPXyM2V5Fm8BPHSFLmagKT4RccuBuLvZ5T9Oj4QpRrCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T19:42:06.770018Z"},"content_sha256":"d9e64e92bb9a0ce2a548e6d64991e74e57c5594f60349f919d5c827dd9f81b00","schema_version":"1.0","event_id":"sha256:d9e64e92bb9a0ce2a548e6d64991e74e57c5594f60349f919d5c827dd9f81b00"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/EVE7QU7Y4Y2J5YVPY2XP3QXEGJ/bundle.json","state_url":"https://pith.science/pith/EVE7QU7Y4Y2J5YVPY2XP3QXEGJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/EVE7QU7Y4Y2J5YVPY2XP3QXEGJ/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":"2026-06-06T19:42:06Z","links":{"resolver":"https://pith.science/pith/EVE7QU7Y4Y2J5YVPY2XP3QXEGJ","bundle":"https://pith.science/pith/EVE7QU7Y4Y2J5YVPY2XP3QXEGJ/bundle.json","state":"https://pith.science/pith/EVE7QU7Y4Y2J5YVPY2XP3QXEGJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/EVE7QU7Y4Y2J5YVPY2XP3QXEGJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:EVE7QU7Y4Y2J5YVPY2XP3QXEGJ","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":"bebdba498ed30e4dff913a1c6061c283128ce855faab8758fc0c8e71997617c7","cross_cats_sorted":["physics.comp-ph","physics.data-an","physics.hist-ph","physics.ins-det"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2016-07-18T19:39:23Z","title_canon_sha256":"ad7d63e06b4c55badcd0d1c2cab96ce1133f7f9cf663fd0b2bbed45bd81f76e2"},"schema_version":"1.0","source":{"id":"1607.05251","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1607.05251","created_at":"2026-05-18T01:10:55Z"},{"alias_kind":"arxiv_version","alias_value":"1607.05251v1","created_at":"2026-05-18T01:10:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1607.05251","created_at":"2026-05-18T01:10:55Z"},{"alias_kind":"pith_short_12","alias_value":"EVE7QU7Y4Y2J","created_at":"2026-05-18T12:30:15Z"},{"alias_kind":"pith_short_16","alias_value":"EVE7QU7Y4Y2J5YVP","created_at":"2026-05-18T12:30:15Z"},{"alias_kind":"pith_short_8","alias_value":"EVE7QU7Y","created_at":"2026-05-18T12:30:15Z"}],"graph_snapshots":[{"event_id":"sha256:d9e64e92bb9a0ce2a548e6d64991e74e57c5594f60349f919d5c827dd9f81b00","target":"graph","created_at":"2026-05-18T01:10:55Z","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":"On September 14, 2015, the newly upgraded Laser Interferometer Gravitational-wave Observatory (LIGO) recorded a loud gravitational-wave (GW) signal, emitted a billion light-years away by a coalescing binary of two stellar-mass black holes. The detection was announced in February 2016, in time for the hundredth anniversary of Einstein's prediction of GWs within the theory of general relativity (GR). The signal represents the first direct detection of GWs, the first observation of a black-hole binary, and the first test of GR in its strong-field, high-velocity, nonlinear regime. In the remainder","authors_text":"Manuel Tiglio, Michael Holst, Michele Vallisneri, Olivier Sarbach","cross_cats":["physics.comp-ph","physics.data-an","physics.hist-ph","physics.ins-det"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2016-07-18T19:39:23Z","title":"The Emergence of Gravitational Wave Science: 100 Years of Development of Mathematical Theory, Detectors, Numerical Algorithms, and Data Analysis Tools"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1607.05251","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":"sha256:91c42d9396f4ad26c9e989db3da35a7f278fd902f003238818eb06b5b932ab7f","target":"record","created_at":"2026-05-18T01:10:55Z","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":"bebdba498ed30e4dff913a1c6061c283128ce855faab8758fc0c8e71997617c7","cross_cats_sorted":["physics.comp-ph","physics.data-an","physics.hist-ph","physics.ins-det"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2016-07-18T19:39:23Z","title_canon_sha256":"ad7d63e06b4c55badcd0d1c2cab96ce1133f7f9cf663fd0b2bbed45bd81f76e2"},"schema_version":"1.0","source":{"id":"1607.05251","kind":"arxiv","version":1}},"canonical_sha256":"2549f853f8e6349ee2afc6aefdc2e4326d7e7e67cb44d2f3a1553388516bf31a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2549f853f8e6349ee2afc6aefdc2e4326d7e7e67cb44d2f3a1553388516bf31a","first_computed_at":"2026-05-18T01:10:55.586193Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:10:55.586193Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"zCjTEJ2lidYoL7/hEnzlTRebwqHmdBtEooUiGAMdgQF3YKXzLDN9gBVzcRtDw+SYSpK86ZV3waloPDSVuvyKDA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:10:55.586734Z","signed_message":"canonical_sha256_bytes"},"source_id":"1607.05251","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:91c42d9396f4ad26c9e989db3da35a7f278fd902f003238818eb06b5b932ab7f","sha256:d9e64e92bb9a0ce2a548e6d64991e74e57c5594f60349f919d5c827dd9f81b00"],"state_sha256":"0f0e2e773cb5a98ad5b62ddfac333f8ae9a35fe4cd936d06619508f0ae88f454"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Jo+sLsN9oqGZlf3uJjYf/5My2TvB5nDsURauLRBSAU2G7UVXmqs29pCQB2KhMas1VF20HYhf6F9l/Q4gWBD7Ag==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-06T19:42:06.771864Z","bundle_sha256":"14c5feee91a4d730cf627164f1d147c70482621fb18c5e534c793e0729685a5a"}}