{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2014:ONECMJEERYYFSHCGMKPKUI7DET","short_pith_number":"pith:ONECMJEE","schema_version":"1.0","canonical_sha256":"73482624848e30591c46629eaa23e324fb91ca76e2e0582ea4bc528c53cc2ac3","source":{"kind":"arxiv","id":"1411.3994","version":1},"attestation_state":"computed","paper":{"title":"Coordinated Observations with Pulsar Timing Arrays and ISS-Lobster","license":"http://creativecommons.org/licenses/publicdomain/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Jeremy D. Schnittman (NASA/GSFC)","submitted_at":"2014-11-14T17:51:44Z","abstract_excerpt":"Supermassive black hole binaries are the strongest gravitational wave sources in the universe. The systems most likely to be observed with pulsar timing arrays (PTAs) will have particularly high masses ($\\gtrsim 10^9 M_\\odot$), long periods ($T_{\\rm orb} \\gtrsim 1$ yr), and be in the local universe ($z \\lesssim 1$). These features are also the most favorable for bright electromagnetic counterparts, which should be easily observable with existing ground- and space-based telescopes. Wide-field X-ray observatories such as ISS-Lobster will provide independent candidates that can be used to lower t"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1411.3994","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/publicdomain/","primary_cat":"astro-ph.HE","submitted_at":"2014-11-14T17:51:44Z","cross_cats_sorted":[],"title_canon_sha256":"e5a2b37b455493cc74844b5f82e1584f396dd94157402b21b6b0f05f1247fc61","abstract_canon_sha256":"449e4b6b3522cec1f1564eef11dc0300732e7f656a8027775c731bc0ff3ae2f0"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:37:37.259560Z","signature_b64":"E3Kgv421vLEovGBZq82yyF9LnBLS3gssL/I7mAzY6hBknbbO+eHCm4a63p9xP+z/gDiImw5p17YIhVZeKZSBDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"73482624848e30591c46629eaa23e324fb91ca76e2e0582ea4bc528c53cc2ac3","last_reissued_at":"2026-05-18T02:37:37.259103Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:37:37.259103Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Coordinated Observations with Pulsar Timing Arrays and ISS-Lobster","license":"http://creativecommons.org/licenses/publicdomain/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Jeremy D. Schnittman (NASA/GSFC)","submitted_at":"2014-11-14T17:51:44Z","abstract_excerpt":"Supermassive black hole binaries are the strongest gravitational wave sources in the universe. The systems most likely to be observed with pulsar timing arrays (PTAs) will have particularly high masses ($\\gtrsim 10^9 M_\\odot$), long periods ($T_{\\rm orb} \\gtrsim 1$ yr), and be in the local universe ($z \\lesssim 1$). These features are also the most favorable for bright electromagnetic counterparts, which should be easily observable with existing ground- and space-based telescopes. Wide-field X-ray observatories such as ISS-Lobster will provide independent candidates that can be used to lower t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1411.3994","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1411.3994","created_at":"2026-05-18T02:37:37.259166+00:00"},{"alias_kind":"arxiv_version","alias_value":"1411.3994v1","created_at":"2026-05-18T02:37:37.259166+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1411.3994","created_at":"2026-05-18T02:37:37.259166+00:00"},{"alias_kind":"pith_short_12","alias_value":"ONECMJEERYYF","created_at":"2026-05-18T12:28:41.024544+00:00"},{"alias_kind":"pith_short_16","alias_value":"ONECMJEERYYFSHCG","created_at":"2026-05-18T12:28:41.024544+00:00"},{"alias_kind":"pith_short_8","alias_value":"ONECMJEE","created_at":"2026-05-18T12:28:41.024544+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/ONECMJEERYYFSHCGMKPKUI7DET","json":"https://pith.science/pith/ONECMJEERYYFSHCGMKPKUI7DET.json","graph_json":"https://pith.science/api/pith-number/ONECMJEERYYFSHCGMKPKUI7DET/graph.json","events_json":"https://pith.science/api/pith-number/ONECMJEERYYFSHCGMKPKUI7DET/events.json","paper":"https://pith.science/paper/ONECMJEE"},"agent_actions":{"view_html":"https://pith.science/pith/ONECMJEERYYFSHCGMKPKUI7DET","download_json":"https://pith.science/pith/ONECMJEERYYFSHCGMKPKUI7DET.json","view_paper":"https://pith.science/paper/ONECMJEE","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1411.3994&json=true","fetch_graph":"https://pith.science/api/pith-number/ONECMJEERYYFSHCGMKPKUI7DET/graph.json","fetch_events":"https://pith.science/api/pith-number/ONECMJEERYYFSHCGMKPKUI7DET/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/ONECMJEERYYFSHCGMKPKUI7DET/action/timestamp_anchor","attest_storage":"https://pith.science/pith/ONECMJEERYYFSHCGMKPKUI7DET/action/storage_attestation","attest_author":"https://pith.science/pith/ONECMJEERYYFSHCGMKPKUI7DET/action/author_attestation","sign_citation":"https://pith.science/pith/ONECMJEERYYFSHCGMKPKUI7DET/action/citation_signature","submit_replication":"https://pith.science/pith/ONECMJEERYYFSHCGMKPKUI7DET/action/replication_record"}},"created_at":"2026-05-18T02:37:37.259166+00:00","updated_at":"2026-05-18T02:37:37.259166+00:00"}