{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:CYHLSHLGEIQEX6FSFMOJFWPYIS","short_pith_number":"pith:CYHLSHLG","canonical_record":{"source":{"id":"2201.02766","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2022-01-08T05:42:27Z","cross_cats_sorted":["gr-qc"],"title_canon_sha256":"f6ca7ed2c8711e049faa37cb816d8d87d29d19bcfa3670243c769dd9a6e562c5","abstract_canon_sha256":"852848844a91acdc9f166d7185e0f96a153f660e7def5f90e5501af47ac68869"},"schema_version":"1.0"},"canonical_sha256":"160eb91d6622204bf8b22b1c92d9f844bcd6aba1c9b4bf9551a6b7560c09aed7","source":{"kind":"arxiv","id":"2201.02766","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2201.02766","created_at":"2026-07-05T04:33:28Z"},{"alias_kind":"arxiv_version","alias_value":"2201.02766v1","created_at":"2026-07-05T04:33:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2201.02766","created_at":"2026-07-05T04:33:28Z"},{"alias_kind":"pith_short_12","alias_value":"CYHLSHLGEIQE","created_at":"2026-07-05T04:33:28Z"},{"alias_kind":"pith_short_16","alias_value":"CYHLSHLGEIQEX6FS","created_at":"2026-07-05T04:33:28Z"},{"alias_kind":"pith_short_8","alias_value":"CYHLSHLG","created_at":"2026-07-05T04:33:28Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:CYHLSHLGEIQEX6FSFMOJFWPYIS","target":"record","payload":{"canonical_record":{"source":{"id":"2201.02766","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2022-01-08T05:42:27Z","cross_cats_sorted":["gr-qc"],"title_canon_sha256":"f6ca7ed2c8711e049faa37cb816d8d87d29d19bcfa3670243c769dd9a6e562c5","abstract_canon_sha256":"852848844a91acdc9f166d7185e0f96a153f660e7def5f90e5501af47ac68869"},"schema_version":"1.0"},"canonical_sha256":"160eb91d6622204bf8b22b1c92d9f844bcd6aba1c9b4bf9551a6b7560c09aed7","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:33:28.662862Z","signature_b64":"/ocD0Dfy98QC91MoXGZ+nXI1LPNijh/1XSXl6Jvy7TavUepAy+tY89V3nqT3AQ4gX4/vmpadPqgUkrgkpNxgBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"160eb91d6622204bf8b22b1c92d9f844bcd6aba1c9b4bf9551a6b7560c09aed7","last_reissued_at":"2026-07-05T04:33:28.662378Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:33:28.662378Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2201.02766","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":"2026-07-05T04:33:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kXJMnfweMUQ4S2uoEUW1lOWmFxAZ/PbLhSwb311x6d7wOEf/OXuWuoIpqbXe4Ab1Ngg7V59AwTqSiMicIsAJDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-14T06:27:38.137209Z"},"content_sha256":"7f134eca62e13001230c3e517d374a02b032b914a12677f8302fdb8afcb90783","schema_version":"1.0","event_id":"sha256:7f134eca62e13001230c3e517d374a02b032b914a12677f8302fdb8afcb90783"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:CYHLSHLGEIQEX6FSFMOJFWPYIS","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"How many extra-Galactic stellar-mass binary black holes will be detected by space gravitational-wave interferometers?","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["gr-qc"],"primary_cat":"astro-ph.HE","authors_text":"Koutarou Kyutoku, Naoki Seto","submitted_at":"2022-01-08T05:42:27Z","abstract_excerpt":"On the basis of GWTC-3, we discuss the detection prospect of extra-Galactic binary black holes (BBHs) by space gravitational-wave interferometers. In particular, targeting BBHs with component masses around 5-100$M_\\odot$, we directly incorporate the chirp mass distribution of the 62 BBHs detected at high significance. We find that, due to the reduction of both the comoving merger rate and a weighted average of chirp masses, the expected detection numbers are generally much smaller than the results obtained by the same authors immediately after the report of GW150914. For LISA, the total BBH de"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2201.02766","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/2201.02766/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":"2026-07-05T04:33:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VbMSSODWTLemvU2vASMxw0EB9va3j0SStPL6Zcsb+VWFOJEvmN197ZuCn26lQ2OZ4y6HylbDIsle1zrdG62uDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-14T06:27:38.137518Z"},"content_sha256":"ea1ee9f98bdfbb9305bcfde4fb1abc4ee6d70602dab6453b57d1d01e6160865e","schema_version":"1.0","event_id":"sha256:ea1ee9f98bdfbb9305bcfde4fb1abc4ee6d70602dab6453b57d1d01e6160865e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CYHLSHLGEIQEX6FSFMOJFWPYIS/bundle.json","state_url":"https://pith.science/pith/CYHLSHLGEIQEX6FSFMOJFWPYIS/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CYHLSHLGEIQEX6FSFMOJFWPYIS/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":"2026-08-14T06:27:38Z","links":{"resolver":"https://pith.science/pith/CYHLSHLGEIQEX6FSFMOJFWPYIS","bundle":"https://pith.science/pith/CYHLSHLGEIQEX6FSFMOJFWPYIS/bundle.json","state":"https://pith.science/pith/CYHLSHLGEIQEX6FSFMOJFWPYIS/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CYHLSHLGEIQEX6FSFMOJFWPYIS/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:CYHLSHLGEIQEX6FSFMOJFWPYIS","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":"852848844a91acdc9f166d7185e0f96a153f660e7def5f90e5501af47ac68869","cross_cats_sorted":["gr-qc"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2022-01-08T05:42:27Z","title_canon_sha256":"f6ca7ed2c8711e049faa37cb816d8d87d29d19bcfa3670243c769dd9a6e562c5"},"schema_version":"1.0","source":{"id":"2201.02766","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2201.02766","created_at":"2026-07-05T04:33:28Z"},{"alias_kind":"arxiv_version","alias_value":"2201.02766v1","created_at":"2026-07-05T04:33:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2201.02766","created_at":"2026-07-05T04:33:28Z"},{"alias_kind":"pith_short_12","alias_value":"CYHLSHLGEIQE","created_at":"2026-07-05T04:33:28Z"},{"alias_kind":"pith_short_16","alias_value":"CYHLSHLGEIQEX6FS","created_at":"2026-07-05T04:33:28Z"},{"alias_kind":"pith_short_8","alias_value":"CYHLSHLG","created_at":"2026-07-05T04:33:28Z"}],"graph_snapshots":[{"event_id":"sha256:ea1ee9f98bdfbb9305bcfde4fb1abc4ee6d70602dab6453b57d1d01e6160865e","target":"graph","created_at":"2026-07-05T04:33:28Z","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/2201.02766/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"On the basis of GWTC-3, we discuss the detection prospect of extra-Galactic binary black holes (BBHs) by space gravitational-wave interferometers. In particular, targeting BBHs with component masses around 5-100$M_\\odot$, we directly incorporate the chirp mass distribution of the 62 BBHs detected at high significance. We find that, due to the reduction of both the comoving merger rate and a weighted average of chirp masses, the expected detection numbers are generally much smaller than the results obtained by the same authors immediately after the report of GW150914. For LISA, the total BBH de","authors_text":"Koutarou Kyutoku, Naoki Seto","cross_cats":["gr-qc"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2022-01-08T05:42:27Z","title":"How many extra-Galactic stellar-mass binary black holes will be detected by space gravitational-wave interferometers?"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2201.02766","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":"sha256:7f134eca62e13001230c3e517d374a02b032b914a12677f8302fdb8afcb90783","target":"record","created_at":"2026-07-05T04:33:28Z","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":"852848844a91acdc9f166d7185e0f96a153f660e7def5f90e5501af47ac68869","cross_cats_sorted":["gr-qc"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2022-01-08T05:42:27Z","title_canon_sha256":"f6ca7ed2c8711e049faa37cb816d8d87d29d19bcfa3670243c769dd9a6e562c5"},"schema_version":"1.0","source":{"id":"2201.02766","kind":"arxiv","version":1}},"canonical_sha256":"160eb91d6622204bf8b22b1c92d9f844bcd6aba1c9b4bf9551a6b7560c09aed7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"160eb91d6622204bf8b22b1c92d9f844bcd6aba1c9b4bf9551a6b7560c09aed7","first_computed_at":"2026-07-05T04:33:28.662378Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:33:28.662378Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"/ocD0Dfy98QC91MoXGZ+nXI1LPNijh/1XSXl6Jvy7TavUepAy+tY89V3nqT3AQ4gX4/vmpadPqgUkrgkpNxgBw==","signature_status":"signed_v1","signed_at":"2026-07-05T04:33:28.662862Z","signed_message":"canonical_sha256_bytes"},"source_id":"2201.02766","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7f134eca62e13001230c3e517d374a02b032b914a12677f8302fdb8afcb90783","sha256:ea1ee9f98bdfbb9305bcfde4fb1abc4ee6d70602dab6453b57d1d01e6160865e"],"state_sha256":"b8d9312be2cd7a46b45871e2751ca4276ed8b394ee9ce917fab18f71357322c4"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4lroabW9k7B64zaYx44aeRSYZsvtDOZZM3KUoiFXvwo8YgNfIPyUTO3B/a2N+teSW6LS98RQgg7181PC0zVnCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-14T06:27:38.139800Z","bundle_sha256":"4d08e22cb643b7a483a55ee651c15e20eea02a2f318028f62cb5227690447f5b"}}