{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2020:R2AULPM7B3CX4C6OWJB4O33WZI","short_pith_number":"pith:R2AULPM7","schema_version":"1.0","canonical_sha256":"8e8145bd9f0ec57e0bceb243c76f76ca007f8963539ea3d07e3b1e364a8b79e5","source":{"kind":"arxiv","id":"2002.01770","version":1},"attestation_state":"computed","paper":{"title":"A toy model of hyperboloidal approach to quasinormal modes","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"Patryk Mach, Piotr Bizo\\'n, Tadeusz Chmaj","submitted_at":"2020-02-05T13:09:21Z","abstract_excerpt":"We consider a scalar field propagating in the static region of the two dimensional de Sitter space. This simple system is used to illustrate the advantages of hyperboloidal foliations in the analysis of quasinormal modes."},"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":"2002.01770","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2020-02-05T13:09:21Z","cross_cats_sorted":[],"title_canon_sha256":"be24a7033a4f83b65728ddf254822843c614ad9d63fee267dde1645299c46be5","abstract_canon_sha256":"243090301d25c949dfd5e878eb7d13321695363b8337fd1ca9b659ffa7fb9be9"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:12:36.452089Z","signature_b64":"j+V9/ZQLuLVwggqyVzhl5WOwSwkdT+OMg7S2kkuhOjvguVPXkNteGhe/yiaij389iHBlcpWNo8gVWQXqN7B7CA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8e8145bd9f0ec57e0bceb243c76f76ca007f8963539ea3d07e3b1e364a8b79e5","last_reissued_at":"2026-07-05T01:12:36.451616Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:12:36.451616Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"A toy model of hyperboloidal approach to quasinormal modes","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"Patryk Mach, Piotr Bizo\\'n, Tadeusz Chmaj","submitted_at":"2020-02-05T13:09:21Z","abstract_excerpt":"We consider a scalar field propagating in the static region of the two dimensional de Sitter space. This simple system is used to illustrate the advantages of hyperboloidal foliations in the analysis of quasinormal modes."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2002.01770","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/2002.01770/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"},"aliases":[{"alias_kind":"arxiv","alias_value":"2002.01770","created_at":"2026-07-05T01:12:36.451673+00:00"},{"alias_kind":"arxiv_version","alias_value":"2002.01770v1","created_at":"2026-07-05T01:12:36.451673+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2002.01770","created_at":"2026-07-05T01:12:36.451673+00:00"},{"alias_kind":"pith_short_12","alias_value":"R2AULPM7B3CX","created_at":"2026-07-05T01:12:36.451673+00:00"},{"alias_kind":"pith_short_16","alias_value":"R2AULPM7B3CX4C6O","created_at":"2026-07-05T01:12:36.451673+00:00"},{"alias_kind":"pith_short_8","alias_value":"R2AULPM7","created_at":"2026-07-05T01:12:36.451673+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":0,"sample":[{"citing_arxiv_id":"2004.06434","citing_title":"Pseudospectrum and black hole quasi-normal mode (in)stability","ref_index":91,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/R2AULPM7B3CX4C6OWJB4O33WZI","json":"https://pith.science/pith/R2AULPM7B3CX4C6OWJB4O33WZI.json","graph_json":"https://pith.science/api/pith-number/R2AULPM7B3CX4C6OWJB4O33WZI/graph.json","events_json":"https://pith.science/api/pith-number/R2AULPM7B3CX4C6OWJB4O33WZI/events.json","paper":"https://pith.science/paper/R2AULPM7"},"agent_actions":{"view_html":"https://pith.science/pith/R2AULPM7B3CX4C6OWJB4O33WZI","download_json":"https://pith.science/pith/R2AULPM7B3CX4C6OWJB4O33WZI.json","view_paper":"https://pith.science/paper/R2AULPM7","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2002.01770&json=true","fetch_graph":"https://pith.science/api/pith-number/R2AULPM7B3CX4C6OWJB4O33WZI/graph.json","fetch_events":"https://pith.science/api/pith-number/R2AULPM7B3CX4C6OWJB4O33WZI/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/R2AULPM7B3CX4C6OWJB4O33WZI/action/timestamp_anchor","attest_storage":"https://pith.science/pith/R2AULPM7B3CX4C6OWJB4O33WZI/action/storage_attestation","attest_author":"https://pith.science/pith/R2AULPM7B3CX4C6OWJB4O33WZI/action/author_attestation","sign_citation":"https://pith.science/pith/R2AULPM7B3CX4C6OWJB4O33WZI/action/citation_signature","submit_replication":"https://pith.science/pith/R2AULPM7B3CX4C6OWJB4O33WZI/action/replication_record"}},"created_at":"2026-07-05T01:12:36.451673+00:00","updated_at":"2026-07-05T01:12:36.451673+00:00"}