{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:656HBMDT5R4NLTZT63GDCRRFU5","short_pith_number":"pith:656HBMDT","canonical_record":{"source":{"id":"1404.5183","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2014-04-21T12:56:33Z","cross_cats_sorted":["astro-ph.GA","astro-ph.HE"],"title_canon_sha256":"bcee2e4a38d4ce6922807066286f3200295a3666a72d81cd731f0671152e640d","abstract_canon_sha256":"7c6287952cf376f7f8cc96650806e1aad5bd12723d4feb02a8738a6ce3bf13b9"},"schema_version":"1.0"},"canonical_sha256":"f77c70b073ec78d5cf33f6cc314625a74271cb7e82210e20ba06616b095cfe72","source":{"kind":"arxiv","id":"1404.5183","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1404.5183","created_at":"2026-05-18T01:43:26Z"},{"alias_kind":"arxiv_version","alias_value":"1404.5183v1","created_at":"2026-05-18T01:43:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1404.5183","created_at":"2026-05-18T01:43:26Z"},{"alias_kind":"pith_short_12","alias_value":"656HBMDT5R4N","created_at":"2026-05-18T12:28:16Z"},{"alias_kind":"pith_short_16","alias_value":"656HBMDT5R4NLTZT","created_at":"2026-05-18T12:28:16Z"},{"alias_kind":"pith_short_8","alias_value":"656HBMDT","created_at":"2026-05-18T12:28:16Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:656HBMDT5R4NLTZT63GDCRRFU5","target":"record","payload":{"canonical_record":{"source":{"id":"1404.5183","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2014-04-21T12:56:33Z","cross_cats_sorted":["astro-ph.GA","astro-ph.HE"],"title_canon_sha256":"bcee2e4a38d4ce6922807066286f3200295a3666a72d81cd731f0671152e640d","abstract_canon_sha256":"7c6287952cf376f7f8cc96650806e1aad5bd12723d4feb02a8738a6ce3bf13b9"},"schema_version":"1.0"},"canonical_sha256":"f77c70b073ec78d5cf33f6cc314625a74271cb7e82210e20ba06616b095cfe72","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:43:26.844330Z","signature_b64":"0uFxlTyEjODPmoJ0wu1eeiti4kfRN4pn9qkB42sajMN9rnd7veiD/w3lWpYDsvwAYfjPTBEE39Jvn1rt7aoMAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f77c70b073ec78d5cf33f6cc314625a74271cb7e82210e20ba06616b095cfe72","last_reissued_at":"2026-05-18T01:43:26.843685Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:43:26.843685Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1404.5183","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":"2026-05-18T01:43:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WJgCVCRNR7EDaoXnDEkm/wR+WRzTrCm3KK90LFzlITtvuhpmY66qO4upoUGtQ2hQAvvG1L29RS/3sQJfN+pyAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T16:13:47.831056Z"},"content_sha256":"6c1ce5cf00c7515d24dd45e586f4675de4f997aaa28401341a7bf863ce15cb26","schema_version":"1.0","event_id":"sha256:6c1ce5cf00c7515d24dd45e586f4675de4f997aaa28401341a7bf863ce15cb26"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:656HBMDT5R4NLTZT63GDCRRFU5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Binary super-massive black hole environments diminish the gravitational-wave signal in the pulsar timing band","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA","astro-ph.HE"],"primary_cat":"astro-ph.CO","authors_text":"G. Hobbs, J. S. B. Wyithe, R. M. Shannon, R. N. Manchester, V. Ravi","submitted_at":"2014-04-21T12:56:33Z","abstract_excerpt":"We assess the effects of super-massive black hole (SMBH) environments on the gravitational-wave (GW) signal from binary SMBHs. To date, searches with pulsar timing arrays for GWs from binary SMBHs, in the frequency band $\\sim1-100$\\,nHz, include the assumptions that all binaries are circular and evolve only through GW emission. However, dynamical studies have shown that the only way that binary SMBH orbits can decay to separations where GW emission dominates the evolution is through interactions with their environments. We augment an existing galaxy and SMBH formation and evolution model with "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1404.5183","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":"2026-05-18T01:43:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jW3Iay0EhqbSjuz18mVKgoX6YcZWdu0nw4xwahJvItNHBNX2Qj6sC4WSMQXB0ZqbHDl/z7SheKWrxJiwMot9Dg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T16:13:47.831729Z"},"content_sha256":"965d4c5223485519ca993bac868a3621e5519ad2aa6a9a37fcf1bb2257eb1d79","schema_version":"1.0","event_id":"sha256:965d4c5223485519ca993bac868a3621e5519ad2aa6a9a37fcf1bb2257eb1d79"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/656HBMDT5R4NLTZT63GDCRRFU5/bundle.json","state_url":"https://pith.science/pith/656HBMDT5R4NLTZT63GDCRRFU5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/656HBMDT5R4NLTZT63GDCRRFU5/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":"2026-05-25T16:13:47Z","links":{"resolver":"https://pith.science/pith/656HBMDT5R4NLTZT63GDCRRFU5","bundle":"https://pith.science/pith/656HBMDT5R4NLTZT63GDCRRFU5/bundle.json","state":"https://pith.science/pith/656HBMDT5R4NLTZT63GDCRRFU5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/656HBMDT5R4NLTZT63GDCRRFU5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:656HBMDT5R4NLTZT63GDCRRFU5","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":"7c6287952cf376f7f8cc96650806e1aad5bd12723d4feb02a8738a6ce3bf13b9","cross_cats_sorted":["astro-ph.GA","astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2014-04-21T12:56:33Z","title_canon_sha256":"bcee2e4a38d4ce6922807066286f3200295a3666a72d81cd731f0671152e640d"},"schema_version":"1.0","source":{"id":"1404.5183","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1404.5183","created_at":"2026-05-18T01:43:26Z"},{"alias_kind":"arxiv_version","alias_value":"1404.5183v1","created_at":"2026-05-18T01:43:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1404.5183","created_at":"2026-05-18T01:43:26Z"},{"alias_kind":"pith_short_12","alias_value":"656HBMDT5R4N","created_at":"2026-05-18T12:28:16Z"},{"alias_kind":"pith_short_16","alias_value":"656HBMDT5R4NLTZT","created_at":"2026-05-18T12:28:16Z"},{"alias_kind":"pith_short_8","alias_value":"656HBMDT","created_at":"2026-05-18T12:28:16Z"}],"graph_snapshots":[{"event_id":"sha256:965d4c5223485519ca993bac868a3621e5519ad2aa6a9a37fcf1bb2257eb1d79","target":"graph","created_at":"2026-05-18T01:43:26Z","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 assess the effects of super-massive black hole (SMBH) environments on the gravitational-wave (GW) signal from binary SMBHs. To date, searches with pulsar timing arrays for GWs from binary SMBHs, in the frequency band $\\sim1-100$\\,nHz, include the assumptions that all binaries are circular and evolve only through GW emission. However, dynamical studies have shown that the only way that binary SMBH orbits can decay to separations where GW emission dominates the evolution is through interactions with their environments. We augment an existing galaxy and SMBH formation and evolution model with ","authors_text":"G. Hobbs, J. S. B. Wyithe, R. M. Shannon, R. N. Manchester, V. Ravi","cross_cats":["astro-ph.GA","astro-ph.HE"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2014-04-21T12:56:33Z","title":"Binary super-massive black hole environments diminish the gravitational-wave signal in the pulsar timing band"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1404.5183","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":"sha256:6c1ce5cf00c7515d24dd45e586f4675de4f997aaa28401341a7bf863ce15cb26","target":"record","created_at":"2026-05-18T01:43:26Z","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":"7c6287952cf376f7f8cc96650806e1aad5bd12723d4feb02a8738a6ce3bf13b9","cross_cats_sorted":["astro-ph.GA","astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2014-04-21T12:56:33Z","title_canon_sha256":"bcee2e4a38d4ce6922807066286f3200295a3666a72d81cd731f0671152e640d"},"schema_version":"1.0","source":{"id":"1404.5183","kind":"arxiv","version":1}},"canonical_sha256":"f77c70b073ec78d5cf33f6cc314625a74271cb7e82210e20ba06616b095cfe72","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f77c70b073ec78d5cf33f6cc314625a74271cb7e82210e20ba06616b095cfe72","first_computed_at":"2026-05-18T01:43:26.843685Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:43:26.843685Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"0uFxlTyEjODPmoJ0wu1eeiti4kfRN4pn9qkB42sajMN9rnd7veiD/w3lWpYDsvwAYfjPTBEE39Jvn1rt7aoMAA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:43:26.844330Z","signed_message":"canonical_sha256_bytes"},"source_id":"1404.5183","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6c1ce5cf00c7515d24dd45e586f4675de4f997aaa28401341a7bf863ce15cb26","sha256:965d4c5223485519ca993bac868a3621e5519ad2aa6a9a37fcf1bb2257eb1d79"],"state_sha256":"fa7dfd1d9e62dbd5fbb80d36e6bf636f65878106d1375949753961fc23e216d5"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FzWtBoWShu83TeVaQmNoaw8GX2vXvBtjT43yQ17u6eiX2MtbK4EO/IBh+iA2pk/zasP3L3PrOuaVmuztK5ssDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T16:13:47.835431Z","bundle_sha256":"6b6fff3a1e4befb3a1f1d2e256bc57c50ba10f36b3989a8f6de4cd1a5de24b22"}}