{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:PN6VJ2CXHNTJXVCRRFC2UHD5AZ","short_pith_number":"pith:PN6VJ2CX","canonical_record":{"source":{"id":"2308.12357","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2023-08-23T18:03:01Z","cross_cats_sorted":["gr-qc"],"title_canon_sha256":"14e196b7d0f06b583f7b4f0132c751d8ded7aa04ab58f9e4c2597f8dcf7e1189","abstract_canon_sha256":"277a4e927aa53af79a6ee1b272c239afb68c994a53cc6e10aa105c3fdccee4d9"},"schema_version":"1.0"},"canonical_sha256":"7b7d54e8573b669bd4518945aa1c7d06602d5721bc09e2aab09a2e73aee0a5f5","source":{"kind":"arxiv","id":"2308.12357","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2308.12357","created_at":"2026-07-05T06:44:10Z"},{"alias_kind":"arxiv_version","alias_value":"2308.12357v1","created_at":"2026-07-05T06:44:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2308.12357","created_at":"2026-07-05T06:44:10Z"},{"alias_kind":"pith_short_12","alias_value":"PN6VJ2CXHNTJ","created_at":"2026-07-05T06:44:10Z"},{"alias_kind":"pith_short_16","alias_value":"PN6VJ2CXHNTJXVCR","created_at":"2026-07-05T06:44:10Z"},{"alias_kind":"pith_short_8","alias_value":"PN6VJ2CX","created_at":"2026-07-05T06:44:10Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:PN6VJ2CXHNTJXVCRRFC2UHD5AZ","target":"record","payload":{"canonical_record":{"source":{"id":"2308.12357","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2023-08-23T18:03:01Z","cross_cats_sorted":["gr-qc"],"title_canon_sha256":"14e196b7d0f06b583f7b4f0132c751d8ded7aa04ab58f9e4c2597f8dcf7e1189","abstract_canon_sha256":"277a4e927aa53af79a6ee1b272c239afb68c994a53cc6e10aa105c3fdccee4d9"},"schema_version":"1.0"},"canonical_sha256":"7b7d54e8573b669bd4518945aa1c7d06602d5721bc09e2aab09a2e73aee0a5f5","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:44:10.881625Z","signature_b64":"ikN5rcP91JFg8Ev0dncx6yjgIZf4Efvyu2mahJwy4jgGOQAGxKzEDU4znl80i/CcDbEoru6kRN000dQJnCEpAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7b7d54e8573b669bd4518945aa1c7d06602d5721bc09e2aab09a2e73aee0a5f5","last_reissued_at":"2026-07-05T06:44:10.881092Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:44:10.881092Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2308.12357","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":"2026-07-05T06:44:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ngB/tSzUYt59JFlO3KCsNtHulzAOdrxrT5Z1fZI+1RgzWxRNGWUteAMYvXnu8UDf+TsHV6sYRRXNhQh06bwjCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-11T04:49:21.612859Z"},"content_sha256":"a4ff2f2ea2e5fbcbd5aaaf1cd82af92a90ed39b9df84e707f5cb5035097ab613","schema_version":"1.0","event_id":"sha256:a4ff2f2ea2e5fbcbd5aaaf1cd82af92a90ed39b9df84e707f5cb5035097ab613"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:PN6VJ2CXHNTJXVCRRFC2UHD5AZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Explaining the GWSkyNet-Multi machine learning classifier predictions for gravitational-wave events","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["gr-qc"],"primary_cat":"astro-ph.IM","authors_text":"Ashish Mahabal, Daryl Haggard, Eitan Buffaz, Jess McIver, Man Leong Chan, Nayyer Raza, Nicholas Vieira, Thomas C. Abbott","submitted_at":"2023-08-23T18:03:01Z","abstract_excerpt":"GWSkyNet-Multi is a machine learning model developed for classification of candidate gravitational-wave events detected by the LIGO and Virgo observatories. The model uses limited information released in the low-latency Open Public Alerts to produce prediction scores indicating whether an event is a merger of two black holes, a merger involving a neutron star, or a non-astrophysical glitch. This facilitates time sensitive decisions about whether to perform electromagnetic follow-up of candidate events during LIGO-Virgo-KAGRA (LVK) observing runs. However, it is not well understood how the mode"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2308.12357","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/2308.12357/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":"2026-07-05T06:44:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vKgKWn1mqYEfWy4p/Zb7PTpHQpyqjlERCjfPxmreihlTfsnJPgeIZAuDjgCyv6EpIbeWcEhne2cp+3t8rb/2Cg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-11T04:49:21.613241Z"},"content_sha256":"17d9bded8e511737f4cb236d6783de3d05ed67972b3b32684fbd730b41667b46","schema_version":"1.0","event_id":"sha256:17d9bded8e511737f4cb236d6783de3d05ed67972b3b32684fbd730b41667b46"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/PN6VJ2CXHNTJXVCRRFC2UHD5AZ/bundle.json","state_url":"https://pith.science/pith/PN6VJ2CXHNTJXVCRRFC2UHD5AZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/PN6VJ2CXHNTJXVCRRFC2UHD5AZ/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":"2026-08-11T04:49:21Z","links":{"resolver":"https://pith.science/pith/PN6VJ2CXHNTJXVCRRFC2UHD5AZ","bundle":"https://pith.science/pith/PN6VJ2CXHNTJXVCRRFC2UHD5AZ/bundle.json","state":"https://pith.science/pith/PN6VJ2CXHNTJXVCRRFC2UHD5AZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/PN6VJ2CXHNTJXVCRRFC2UHD5AZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:PN6VJ2CXHNTJXVCRRFC2UHD5AZ","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":"277a4e927aa53af79a6ee1b272c239afb68c994a53cc6e10aa105c3fdccee4d9","cross_cats_sorted":["gr-qc"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2023-08-23T18:03:01Z","title_canon_sha256":"14e196b7d0f06b583f7b4f0132c751d8ded7aa04ab58f9e4c2597f8dcf7e1189"},"schema_version":"1.0","source":{"id":"2308.12357","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2308.12357","created_at":"2026-07-05T06:44:10Z"},{"alias_kind":"arxiv_version","alias_value":"2308.12357v1","created_at":"2026-07-05T06:44:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2308.12357","created_at":"2026-07-05T06:44:10Z"},{"alias_kind":"pith_short_12","alias_value":"PN6VJ2CXHNTJ","created_at":"2026-07-05T06:44:10Z"},{"alias_kind":"pith_short_16","alias_value":"PN6VJ2CXHNTJXVCR","created_at":"2026-07-05T06:44:10Z"},{"alias_kind":"pith_short_8","alias_value":"PN6VJ2CX","created_at":"2026-07-05T06:44:10Z"}],"graph_snapshots":[{"event_id":"sha256:17d9bded8e511737f4cb236d6783de3d05ed67972b3b32684fbd730b41667b46","target":"graph","created_at":"2026-07-05T06:44:10Z","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/2308.12357/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"GWSkyNet-Multi is a machine learning model developed for classification of candidate gravitational-wave events detected by the LIGO and Virgo observatories. The model uses limited information released in the low-latency Open Public Alerts to produce prediction scores indicating whether an event is a merger of two black holes, a merger involving a neutron star, or a non-astrophysical glitch. This facilitates time sensitive decisions about whether to perform electromagnetic follow-up of candidate events during LIGO-Virgo-KAGRA (LVK) observing runs. However, it is not well understood how the mode","authors_text":"Ashish Mahabal, Daryl Haggard, Eitan Buffaz, Jess McIver, Man Leong Chan, Nayyer Raza, Nicholas Vieira, Thomas C. Abbott","cross_cats":["gr-qc"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2023-08-23T18:03:01Z","title":"Explaining the GWSkyNet-Multi machine learning classifier predictions for gravitational-wave events"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2308.12357","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:a4ff2f2ea2e5fbcbd5aaaf1cd82af92a90ed39b9df84e707f5cb5035097ab613","target":"record","created_at":"2026-07-05T06:44:10Z","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":"277a4e927aa53af79a6ee1b272c239afb68c994a53cc6e10aa105c3fdccee4d9","cross_cats_sorted":["gr-qc"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2023-08-23T18:03:01Z","title_canon_sha256":"14e196b7d0f06b583f7b4f0132c751d8ded7aa04ab58f9e4c2597f8dcf7e1189"},"schema_version":"1.0","source":{"id":"2308.12357","kind":"arxiv","version":1}},"canonical_sha256":"7b7d54e8573b669bd4518945aa1c7d06602d5721bc09e2aab09a2e73aee0a5f5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7b7d54e8573b669bd4518945aa1c7d06602d5721bc09e2aab09a2e73aee0a5f5","first_computed_at":"2026-07-05T06:44:10.881092Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:44:10.881092Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ikN5rcP91JFg8Ev0dncx6yjgIZf4Efvyu2mahJwy4jgGOQAGxKzEDU4znl80i/CcDbEoru6kRN000dQJnCEpAA==","signature_status":"signed_v1","signed_at":"2026-07-05T06:44:10.881625Z","signed_message":"canonical_sha256_bytes"},"source_id":"2308.12357","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a4ff2f2ea2e5fbcbd5aaaf1cd82af92a90ed39b9df84e707f5cb5035097ab613","sha256:17d9bded8e511737f4cb236d6783de3d05ed67972b3b32684fbd730b41667b46"],"state_sha256":"3cfd2eba570882608bd2bc45d14ca6f0928aa8442b3f82d97b1b896f1ba505bb"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+EWEC42Yuis8K3byMA+UUV1fl1wQlBnbhBvwZN25cGuASwykhcXB0oEw8FKFPpNc2Ipjui6p9QTuauq86XM2CQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-11T04:49:21.616004Z","bundle_sha256":"5c5773fbf315f524c7e39fc5a3a6474013a2cb72e20197c24b49c378378009d7"}}