{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:XZ3X7KVTKIG553M7WHMCUWU5YO","short_pith_number":"pith:XZ3X7KVT","canonical_record":{"source":{"id":"1608.01033","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2016-08-02T23:54:02Z","cross_cats_sorted":["astro-ph.GA","astro-ph.HE"],"title_canon_sha256":"0b636400e9e8119e319ab833753acfc9e7312c173cf5e9f10bae680c8a42e735","abstract_canon_sha256":"78a6f39ad8278fdfc02cbdfbb031900d0549f52d515fc2a9a9f7d4a111555371"},"schema_version":"1.0"},"canonical_sha256":"be777faab3520ddeed9fb1d82a5a9dc39401acf07c7b34c2aeb336317400dedd","source":{"kind":"arxiv","id":"1608.01033","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1608.01033","created_at":"2026-05-18T00:55:12Z"},{"alias_kind":"arxiv_version","alias_value":"1608.01033v1","created_at":"2026-05-18T00:55:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1608.01033","created_at":"2026-05-18T00:55:12Z"},{"alias_kind":"pith_short_12","alias_value":"XZ3X7KVTKIG5","created_at":"2026-05-18T12:30:51Z"},{"alias_kind":"pith_short_16","alias_value":"XZ3X7KVTKIG553M7","created_at":"2026-05-18T12:30:51Z"},{"alias_kind":"pith_short_8","alias_value":"XZ3X7KVT","created_at":"2026-05-18T12:30:51Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:XZ3X7KVTKIG553M7WHMCUWU5YO","target":"record","payload":{"canonical_record":{"source":{"id":"1608.01033","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2016-08-02T23:54:02Z","cross_cats_sorted":["astro-ph.GA","astro-ph.HE"],"title_canon_sha256":"0b636400e9e8119e319ab833753acfc9e7312c173cf5e9f10bae680c8a42e735","abstract_canon_sha256":"78a6f39ad8278fdfc02cbdfbb031900d0549f52d515fc2a9a9f7d4a111555371"},"schema_version":"1.0"},"canonical_sha256":"be777faab3520ddeed9fb1d82a5a9dc39401acf07c7b34c2aeb336317400dedd","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:55:12.829511Z","signature_b64":"flp+wwMKevvuxLsa34aTs8D8XMhTkbZ/pxW+A3hX7stC39VpCpQCaMMOjbdMcW9wO1lv9j1Da2XmaeZCweV4CQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"be777faab3520ddeed9fb1d82a5a9dc39401acf07c7b34c2aeb336317400dedd","last_reissued_at":"2026-05-18T00:55:12.829055Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:55:12.829055Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1608.01033","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":"2026-05-18T00:55:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HjzsexVqBDf4m/JQN9iBX5m4ZjWh8EwfTveg7BOKBxfPkaywHbiQhdgZAEU2zO6ZW4DCvjXMVpP+Ju0aEbjVDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T08:29:13.668953Z"},"content_sha256":"d0cca0eb45d019019c08fe21b824dad49c908595f088c5d2a2cc737f7440e0bc","schema_version":"1.0","event_id":"sha256:d0cca0eb45d019019c08fe21b824dad49c908595f088c5d2a2cc737f7440e0bc"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:XZ3X7KVTKIG553M7WHMCUWU5YO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Spinning, Precessing, Black Hole Binary Spacetime via Asymptotic Matching","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA","astro-ph.HE"],"primary_cat":"gr-qc","authors_text":"Brennan Ireland, Eric J. West, Hiroyuki Nakano, Manuela Campanelli","submitted_at":"2016-08-02T23:54:02Z","abstract_excerpt":"We briefly discuss a method to construct a global, analytic, approximate spacetime for precessing, spinning binary black holes. The spacetime construction is broken into three parts: the inner zones are the spacetimes close to each black hole, and are approximated by perturbed Kerr solutions; the near zone is far from the two black holes, and described by the post-Newtonian metric; and finally the wave (far) zone, where retardation effects need to be taken into account, is well modeled by the post-Minkowskian metric. These individual spacetimes are then stitched together using asymptotic match"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1608.01033","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":"2026-05-18T00:55:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8dg7qO4Lm2zs4a8mrnjx3wQ7CjvLrur4/a+EE74wqKbvGtzm+iYPtl5BnLAL1IL6I3huKJypc9kuLoO+FGalBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T08:29:13.669560Z"},"content_sha256":"e15bbae3ba21bce31a5e9b1f2b769d98a36f44c1f0243b4467b84e205d6f52d2","schema_version":"1.0","event_id":"sha256:e15bbae3ba21bce31a5e9b1f2b769d98a36f44c1f0243b4467b84e205d6f52d2"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/XZ3X7KVTKIG553M7WHMCUWU5YO/bundle.json","state_url":"https://pith.science/pith/XZ3X7KVTKIG553M7WHMCUWU5YO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/XZ3X7KVTKIG553M7WHMCUWU5YO/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":"2026-06-05T08:29:13Z","links":{"resolver":"https://pith.science/pith/XZ3X7KVTKIG553M7WHMCUWU5YO","bundle":"https://pith.science/pith/XZ3X7KVTKIG553M7WHMCUWU5YO/bundle.json","state":"https://pith.science/pith/XZ3X7KVTKIG553M7WHMCUWU5YO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/XZ3X7KVTKIG553M7WHMCUWU5YO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:XZ3X7KVTKIG553M7WHMCUWU5YO","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":"78a6f39ad8278fdfc02cbdfbb031900d0549f52d515fc2a9a9f7d4a111555371","cross_cats_sorted":["astro-ph.GA","astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2016-08-02T23:54:02Z","title_canon_sha256":"0b636400e9e8119e319ab833753acfc9e7312c173cf5e9f10bae680c8a42e735"},"schema_version":"1.0","source":{"id":"1608.01033","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1608.01033","created_at":"2026-05-18T00:55:12Z"},{"alias_kind":"arxiv_version","alias_value":"1608.01033v1","created_at":"2026-05-18T00:55:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1608.01033","created_at":"2026-05-18T00:55:12Z"},{"alias_kind":"pith_short_12","alias_value":"XZ3X7KVTKIG5","created_at":"2026-05-18T12:30:51Z"},{"alias_kind":"pith_short_16","alias_value":"XZ3X7KVTKIG553M7","created_at":"2026-05-18T12:30:51Z"},{"alias_kind":"pith_short_8","alias_value":"XZ3X7KVT","created_at":"2026-05-18T12:30:51Z"}],"graph_snapshots":[{"event_id":"sha256:e15bbae3ba21bce31a5e9b1f2b769d98a36f44c1f0243b4467b84e205d6f52d2","target":"graph","created_at":"2026-05-18T00:55:12Z","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":"We briefly discuss a method to construct a global, analytic, approximate spacetime for precessing, spinning binary black holes. The spacetime construction is broken into three parts: the inner zones are the spacetimes close to each black hole, and are approximated by perturbed Kerr solutions; the near zone is far from the two black holes, and described by the post-Newtonian metric; and finally the wave (far) zone, where retardation effects need to be taken into account, is well modeled by the post-Minkowskian metric. These individual spacetimes are then stitched together using asymptotic match","authors_text":"Brennan Ireland, Eric J. West, Hiroyuki Nakano, Manuela Campanelli","cross_cats":["astro-ph.GA","astro-ph.HE"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2016-08-02T23:54:02Z","title":"Spinning, Precessing, Black Hole Binary Spacetime via Asymptotic Matching"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1608.01033","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:d0cca0eb45d019019c08fe21b824dad49c908595f088c5d2a2cc737f7440e0bc","target":"record","created_at":"2026-05-18T00:55:12Z","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":"78a6f39ad8278fdfc02cbdfbb031900d0549f52d515fc2a9a9f7d4a111555371","cross_cats_sorted":["astro-ph.GA","astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2016-08-02T23:54:02Z","title_canon_sha256":"0b636400e9e8119e319ab833753acfc9e7312c173cf5e9f10bae680c8a42e735"},"schema_version":"1.0","source":{"id":"1608.01033","kind":"arxiv","version":1}},"canonical_sha256":"be777faab3520ddeed9fb1d82a5a9dc39401acf07c7b34c2aeb336317400dedd","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"be777faab3520ddeed9fb1d82a5a9dc39401acf07c7b34c2aeb336317400dedd","first_computed_at":"2026-05-18T00:55:12.829055Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:55:12.829055Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"flp+wwMKevvuxLsa34aTs8D8XMhTkbZ/pxW+A3hX7stC39VpCpQCaMMOjbdMcW9wO1lv9j1Da2XmaeZCweV4CQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:55:12.829511Z","signed_message":"canonical_sha256_bytes"},"source_id":"1608.01033","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d0cca0eb45d019019c08fe21b824dad49c908595f088c5d2a2cc737f7440e0bc","sha256:e15bbae3ba21bce31a5e9b1f2b769d98a36f44c1f0243b4467b84e205d6f52d2"],"state_sha256":"64dba21a5145ee7cdc056bbe3132ef63f3eb1786fe6beb2b1456cd888bc2080b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GX5pckCyvpUsxHsgANGbybKXXyfFM+LroA5xEn2Ptx+NWo5j8hKQRgJsPzD6ocubu2d4jO0wbhdFKSsw/eXjAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-05T08:29:13.672594Z","bundle_sha256":"511bfe4687ee5270cb167c4c893fbd3d425dc20bfa372dc3a7c76f69ea99bc8a"}}