{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:NUXDETRWDKZPATUY5S27QSKW6C","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":"29c44d8fce4a3d02b82e082ad2c6175664ae7b592405505ef5477ea98d429684","cross_cats_sorted":["astro-ph.CO","gr-qc"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-12-03T19:00:01Z","title_canon_sha256":"d1d67240d4bcdaee694754c22ed5b633b88894cfb54e04045d78a2e01092252f"},"schema_version":"1.0","source":{"id":"1812.01011","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1812.01011","created_at":"2026-05-17T23:45:52Z"},{"alias_kind":"arxiv_version","alias_value":"1812.01011v2","created_at":"2026-05-17T23:45:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1812.01011","created_at":"2026-05-17T23:45:52Z"},{"alias_kind":"pith_short_12","alias_value":"NUXDETRWDKZP","created_at":"2026-05-18T12:32:40Z"},{"alias_kind":"pith_short_16","alias_value":"NUXDETRWDKZPATUY","created_at":"2026-05-18T12:32:40Z"},{"alias_kind":"pith_short_8","alias_value":"NUXDETRW","created_at":"2026-05-18T12:32:40Z"}],"graph_snapshots":[{"event_id":"sha256:2197f5a620da8ed7abf6669c49bb3922fec64879803a0e4c66196211f1a1bb02","target":"graph","created_at":"2026-05-17T23:45:52Z","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":"Coalescing massive black hole binaries (MBHBs) of $10^{4-7} \\rm M_{\\odot}$, forming in the aftermath of galaxy mergers, are primary targets of the space mission LISA, the {\\it Laser Interferometer Space Antenna}. An assessment of LISA detection prospects requires an estimate of the abundance and properties of MBHBs that form and evolve during the assembly of cosmic structures. To this aim, we employ a semi-analytic model to follow the co-evolution of MBHBs within their host galaxies. We identify three major evolutionary channels driving the binaries to coalescence: two standard paths along whi","authors_text":"Alberto Sesana, Enrico Barausse, Francesco Haardt, Matteo Bonetti, Monica Colpi","cross_cats":["astro-ph.CO","gr-qc"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-12-03T19:00:01Z","title":"Post-Newtonian Evolution of Massive Black Hole Triplets in Galactic Nuclei: IV. Implications for LISA"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1812.01011","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":"sha256:66290f080ba681bd2b2bb1a901eb1af4101b1f7038d0b14bd30e14395f1f2d42","target":"record","created_at":"2026-05-17T23:45:52Z","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":"29c44d8fce4a3d02b82e082ad2c6175664ae7b592405505ef5477ea98d429684","cross_cats_sorted":["astro-ph.CO","gr-qc"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-12-03T19:00:01Z","title_canon_sha256":"d1d67240d4bcdaee694754c22ed5b633b88894cfb54e04045d78a2e01092252f"},"schema_version":"1.0","source":{"id":"1812.01011","kind":"arxiv","version":2}},"canonical_sha256":"6d2e324e361ab2f04e98ecb5f84956f08daaf7fed9872c1eca38b06e90df4809","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6d2e324e361ab2f04e98ecb5f84956f08daaf7fed9872c1eca38b06e90df4809","first_computed_at":"2026-05-17T23:45:52.440364Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:45:52.440364Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"3u9+xjBLNYhWm2UgA+WdVm6xQxjdb7+uQAY8AH7HjGtKbnOmbsA3/pFEnj0pr3O1Iu7IvoYdqBS2KPBG8QiGDA==","signature_status":"signed_v1","signed_at":"2026-05-17T23:45:52.440797Z","signed_message":"canonical_sha256_bytes"},"source_id":"1812.01011","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:66290f080ba681bd2b2bb1a901eb1af4101b1f7038d0b14bd30e14395f1f2d42","sha256:2197f5a620da8ed7abf6669c49bb3922fec64879803a0e4c66196211f1a1bb02"],"state_sha256":"8170e6180d1d4dd75f88ce939241ea0ee8e4529d217053f9484caaad2f109d5a"}