{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:6KTIOJVCCN5FVSUWFOE5JSAT5U","short_pith_number":"pith:6KTIOJVC","canonical_record":{"source":{"id":"2005.08163","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2020-05-17T04:42:55Z","cross_cats_sorted":[],"title_canon_sha256":"d6800a17099e35ef14484265a76a4745b86b99716801c94df813ca17287aa21f","abstract_canon_sha256":"8ccd152b8d5b36df3d32979fcd0b184933e46c7d9c1b54986e8985ba0d75b4a8"},"schema_version":"1.0"},"canonical_sha256":"f2a68726a2137a5aca962b89d4c813ed059e7a61d76fb62c33b8db096defde78","source":{"kind":"arxiv","id":"2005.08163","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2005.08163","created_at":"2026-07-05T02:23:07Z"},{"alias_kind":"arxiv_version","alias_value":"2005.08163v2","created_at":"2026-07-05T02:23:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2005.08163","created_at":"2026-07-05T02:23:07Z"},{"alias_kind":"pith_short_12","alias_value":"6KTIOJVCCN5F","created_at":"2026-07-05T02:23:07Z"},{"alias_kind":"pith_short_16","alias_value":"6KTIOJVCCN5FVSUW","created_at":"2026-07-05T02:23:07Z"},{"alias_kind":"pith_short_8","alias_value":"6KTIOJVC","created_at":"2026-07-05T02:23:07Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:6KTIOJVCCN5FVSUWFOE5JSAT5U","target":"record","payload":{"canonical_record":{"source":{"id":"2005.08163","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2020-05-17T04:42:55Z","cross_cats_sorted":[],"title_canon_sha256":"d6800a17099e35ef14484265a76a4745b86b99716801c94df813ca17287aa21f","abstract_canon_sha256":"8ccd152b8d5b36df3d32979fcd0b184933e46c7d9c1b54986e8985ba0d75b4a8"},"schema_version":"1.0"},"canonical_sha256":"f2a68726a2137a5aca962b89d4c813ed059e7a61d76fb62c33b8db096defde78","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:23:07.313701Z","signature_b64":"uBIX3eXhL6KlGV7ytS/9rU+t9TfsaAS+t97pePDrhWy3CUXfBCqTLkAcfkD5dk2JshS1ac+kEB1QmwsiPOfICA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f2a68726a2137a5aca962b89d4c813ed059e7a61d76fb62c33b8db096defde78","last_reissued_at":"2026-07-05T02:23:07.313256Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:23:07.313256Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2005.08163","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T02:23:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LDt75I5HNwDYOxJrninRe25WGnpCqOw1YESyMqP4Mjgp1w47svCdnHRNfVyb9Yk+GLFLvbb9FtMyo41CJcGsCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T14:01:15.399009Z"},"content_sha256":"c55ff33c1860b2e8e8e69541a8b389498ad2b3802f8958ce638f98ed7c94d757","schema_version":"1.0","event_id":"sha256:c55ff33c1860b2e8e8e69541a8b389498ad2b3802f8958ce638f98ed7c94d757"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:6KTIOJVCCN5FVSUWFOE5JSAT5U","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"High Speed Source Localization in Searches for Gravitational Waves from Compact Object Collisions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Kipp Cannon, Leo Tsukada, Takuya Tsutsui","submitted_at":"2020-05-17T04:42:55Z","abstract_excerpt":"Multi-messenger astronomy is of great interest. The localization speed of gravitational wave sources is important for the success of electromagnetic follow-up. Although current gravitational wave source localization methods take up to a few seconds, even that is not sufficient for some electromagnetic bands. Therefore, one needs a more rapid localization method even if it is less accurate. Building upon an Excess power method, we describe a new localization method for compact object collisions that produces posterior probability maps in only a few hundred milliseconds. Some accuracy is lost, w"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2005.08163","kind":"arxiv","version":2},"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/2005.08163/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":"2026-07-05T02:23:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hMQXBlQgGerKIhY4S3FSsqIOfjN4zkkL4s62EnEPKAME3m4/RftsyT0JR79/VoI8D06mPuT8zFWJLzM/XaeEDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T14:01:15.400000Z"},"content_sha256":"77d124dd8b18d1ad2eda91ad3f60b570696086cb05e1455673319628ecda07e5","schema_version":"1.0","event_id":"sha256:77d124dd8b18d1ad2eda91ad3f60b570696086cb05e1455673319628ecda07e5"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6KTIOJVCCN5FVSUWFOE5JSAT5U/bundle.json","state_url":"https://pith.science/pith/6KTIOJVCCN5FVSUWFOE5JSAT5U/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6KTIOJVCCN5FVSUWFOE5JSAT5U/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":"2026-08-04T14:01:15Z","links":{"resolver":"https://pith.science/pith/6KTIOJVCCN5FVSUWFOE5JSAT5U","bundle":"https://pith.science/pith/6KTIOJVCCN5FVSUWFOE5JSAT5U/bundle.json","state":"https://pith.science/pith/6KTIOJVCCN5FVSUWFOE5JSAT5U/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6KTIOJVCCN5FVSUWFOE5JSAT5U/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:6KTIOJVCCN5FVSUWFOE5JSAT5U","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":"8ccd152b8d5b36df3d32979fcd0b184933e46c7d9c1b54986e8985ba0d75b4a8","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2020-05-17T04:42:55Z","title_canon_sha256":"d6800a17099e35ef14484265a76a4745b86b99716801c94df813ca17287aa21f"},"schema_version":"1.0","source":{"id":"2005.08163","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2005.08163","created_at":"2026-07-05T02:23:07Z"},{"alias_kind":"arxiv_version","alias_value":"2005.08163v2","created_at":"2026-07-05T02:23:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2005.08163","created_at":"2026-07-05T02:23:07Z"},{"alias_kind":"pith_short_12","alias_value":"6KTIOJVCCN5F","created_at":"2026-07-05T02:23:07Z"},{"alias_kind":"pith_short_16","alias_value":"6KTIOJVCCN5FVSUW","created_at":"2026-07-05T02:23:07Z"},{"alias_kind":"pith_short_8","alias_value":"6KTIOJVC","created_at":"2026-07-05T02:23:07Z"}],"graph_snapshots":[{"event_id":"sha256:77d124dd8b18d1ad2eda91ad3f60b570696086cb05e1455673319628ecda07e5","target":"graph","created_at":"2026-07-05T02:23:07Z","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/2005.08163/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Multi-messenger astronomy is of great interest. The localization speed of gravitational wave sources is important for the success of electromagnetic follow-up. Although current gravitational wave source localization methods take up to a few seconds, even that is not sufficient for some electromagnetic bands. Therefore, one needs a more rapid localization method even if it is less accurate. Building upon an Excess power method, we describe a new localization method for compact object collisions that produces posterior probability maps in only a few hundred milliseconds. Some accuracy is lost, w","authors_text":"Kipp Cannon, Leo Tsukada, Takuya Tsutsui","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2020-05-17T04:42:55Z","title":"High Speed Source Localization in Searches for Gravitational Waves from Compact Object Collisions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2005.08163","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:c55ff33c1860b2e8e8e69541a8b389498ad2b3802f8958ce638f98ed7c94d757","target":"record","created_at":"2026-07-05T02:23:07Z","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":"8ccd152b8d5b36df3d32979fcd0b184933e46c7d9c1b54986e8985ba0d75b4a8","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2020-05-17T04:42:55Z","title_canon_sha256":"d6800a17099e35ef14484265a76a4745b86b99716801c94df813ca17287aa21f"},"schema_version":"1.0","source":{"id":"2005.08163","kind":"arxiv","version":2}},"canonical_sha256":"f2a68726a2137a5aca962b89d4c813ed059e7a61d76fb62c33b8db096defde78","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f2a68726a2137a5aca962b89d4c813ed059e7a61d76fb62c33b8db096defde78","first_computed_at":"2026-07-05T02:23:07.313256Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:23:07.313256Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"uBIX3eXhL6KlGV7ytS/9rU+t9TfsaAS+t97pePDrhWy3CUXfBCqTLkAcfkD5dk2JshS1ac+kEB1QmwsiPOfICA==","signature_status":"signed_v1","signed_at":"2026-07-05T02:23:07.313701Z","signed_message":"canonical_sha256_bytes"},"source_id":"2005.08163","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c55ff33c1860b2e8e8e69541a8b389498ad2b3802f8958ce638f98ed7c94d757","sha256:77d124dd8b18d1ad2eda91ad3f60b570696086cb05e1455673319628ecda07e5"],"state_sha256":"b16f6bd89dd19e8137c7bea1fd510ce59ed52f25141f3bc466683997a5b3d86c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cBuElwUo4DBBtmESq73aHw0eC9qNCoCmIny8pLeI5joBs3TcRWVyLriByVnTbOJTuvBpe93mNmY7Epd03lE4Dw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-04T14:01:15.420088Z","bundle_sha256":"bb10db12aa87f476b0c0e357f3e9aef45eb2975ee2f25497d237eadcd22298c3"}}