{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:IYRQURVXQNMHFYABSEKDTFWLG2","short_pith_number":"pith:IYRQURVX","canonical_record":{"source":{"id":"2502.00297","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2025-02-01T03:40:25Z","cross_cats_sorted":["gr-qc"],"title_canon_sha256":"1217b1ed9f213a8abe508611daee656645f7a3c18c68323574d6077d95806b23","abstract_canon_sha256":"5600525bf2f364d1f533d20ce30ad65de6f33123387491e8aecfc95d52794471"},"schema_version":"1.0"},"canonical_sha256":"46230a46b7835872e00191143996cb368a7cbf515a082ce1ef89f37c9a67cdc1","source":{"kind":"arxiv","id":"2502.00297","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2502.00297","created_at":"2026-07-05T11:55:37Z"},{"alias_kind":"arxiv_version","alias_value":"2502.00297v2","created_at":"2026-07-05T11:55:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2502.00297","created_at":"2026-07-05T11:55:37Z"},{"alias_kind":"pith_short_12","alias_value":"IYRQURVXQNMH","created_at":"2026-07-05T11:55:37Z"},{"alias_kind":"pith_short_16","alias_value":"IYRQURVXQNMHFYAB","created_at":"2026-07-05T11:55:37Z"},{"alias_kind":"pith_short_8","alias_value":"IYRQURVX","created_at":"2026-07-05T11:55:37Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:IYRQURVXQNMHFYABSEKDTFWLG2","target":"record","payload":{"canonical_record":{"source":{"id":"2502.00297","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2025-02-01T03:40:25Z","cross_cats_sorted":["gr-qc"],"title_canon_sha256":"1217b1ed9f213a8abe508611daee656645f7a3c18c68323574d6077d95806b23","abstract_canon_sha256":"5600525bf2f364d1f533d20ce30ad65de6f33123387491e8aecfc95d52794471"},"schema_version":"1.0"},"canonical_sha256":"46230a46b7835872e00191143996cb368a7cbf515a082ce1ef89f37c9a67cdc1","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:55:37.959109Z","signature_b64":"0nYT3oJG0FIDS9zUTwiQlK61+d9t73926p01I7Tj6oteXjYJNUhtVJmQH/K/JC44q9Q3wPjsCtCxGDGeJFAwCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"46230a46b7835872e00191143996cb368a7cbf515a082ce1ef89f37c9a67cdc1","last_reissued_at":"2026-07-05T11:55:37.958718Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:55:37.958718Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2502.00297","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":"2026-07-05T11:55:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XsQb2cbVBZpRAfjLE0ccMCB+8Fy3cpBuYhA5cFLTR3hd9NqDSDBsW3vF/ICS1cBpHC34atGr4GeHbn83CkksDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-11T00:29:31.049611Z"},"content_sha256":"7a89e9715d6b415c42d4a71a5120501a6f6c14f8637924fd0ccc8af43b0ba32f","schema_version":"1.0","event_id":"sha256:7a89e9715d6b415c42d4a71a5120501a6f6c14f8637924fd0ccc8af43b0ba32f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:IYRQURVXQNMHFYABSEKDTFWLG2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"GWSkyNet-Multi II: an updated machine learning model for rapid classification of gravitational-wave events","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["gr-qc"],"primary_cat":"astro-ph.IM","authors_text":"Alexandre Larouche, Ashish Mahabal, Audrey Durand, Daryl Haggard, Hadi Moazen, Jess McIver, Man Leong Chan, Nayyer Raza","submitted_at":"2025-02-01T03:40:25Z","abstract_excerpt":"Multi-messenger observations of gravitational waves and electromagnetic emission from compact object mergers offer unique insights into the structure of neutron stars, the formation of heavy elements, and the expansion rate of the Universe. With the LIGO-Virgo-KAGRA (LVK) gravitational-wave detectors currently in their fourth observing run (O4), it is an exciting time for detecting these mergers. However, assessing whether to follow up a candidate gravitational-wave event given limited telescope time and resources is challenging; the candidate can be a false alert due to detector glitches, or "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2502.00297","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/2502.00297/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":"2026-07-05T11:55:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MUhYp4qTu5PYWb3xJaYrvTaWco8q87BZo3rJvFfj2TNCqNMurRlMOOxrVZX59CAA227TjypcdyuzB0oGVIOVBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-11T00:29:31.050100Z"},"content_sha256":"d4201b65621d4f26ad74fc62279806809df645203c859dded4be4a55f79829d6","schema_version":"1.0","event_id":"sha256:d4201b65621d4f26ad74fc62279806809df645203c859dded4be4a55f79829d6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/IYRQURVXQNMHFYABSEKDTFWLG2/bundle.json","state_url":"https://pith.science/pith/IYRQURVXQNMHFYABSEKDTFWLG2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/IYRQURVXQNMHFYABSEKDTFWLG2/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":"2026-08-11T00:29:31Z","links":{"resolver":"https://pith.science/pith/IYRQURVXQNMHFYABSEKDTFWLG2","bundle":"https://pith.science/pith/IYRQURVXQNMHFYABSEKDTFWLG2/bundle.json","state":"https://pith.science/pith/IYRQURVXQNMHFYABSEKDTFWLG2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/IYRQURVXQNMHFYABSEKDTFWLG2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:IYRQURVXQNMHFYABSEKDTFWLG2","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":"5600525bf2f364d1f533d20ce30ad65de6f33123387491e8aecfc95d52794471","cross_cats_sorted":["gr-qc"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2025-02-01T03:40:25Z","title_canon_sha256":"1217b1ed9f213a8abe508611daee656645f7a3c18c68323574d6077d95806b23"},"schema_version":"1.0","source":{"id":"2502.00297","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2502.00297","created_at":"2026-07-05T11:55:37Z"},{"alias_kind":"arxiv_version","alias_value":"2502.00297v2","created_at":"2026-07-05T11:55:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2502.00297","created_at":"2026-07-05T11:55:37Z"},{"alias_kind":"pith_short_12","alias_value":"IYRQURVXQNMH","created_at":"2026-07-05T11:55:37Z"},{"alias_kind":"pith_short_16","alias_value":"IYRQURVXQNMHFYAB","created_at":"2026-07-05T11:55:37Z"},{"alias_kind":"pith_short_8","alias_value":"IYRQURVX","created_at":"2026-07-05T11:55:37Z"}],"graph_snapshots":[{"event_id":"sha256:d4201b65621d4f26ad74fc62279806809df645203c859dded4be4a55f79829d6","target":"graph","created_at":"2026-07-05T11:55:37Z","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/2502.00297/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Multi-messenger observations of gravitational waves and electromagnetic emission from compact object mergers offer unique insights into the structure of neutron stars, the formation of heavy elements, and the expansion rate of the Universe. With the LIGO-Virgo-KAGRA (LVK) gravitational-wave detectors currently in their fourth observing run (O4), it is an exciting time for detecting these mergers. However, assessing whether to follow up a candidate gravitational-wave event given limited telescope time and resources is challenging; the candidate can be a false alert due to detector glitches, or ","authors_text":"Alexandre Larouche, Ashish Mahabal, Audrey Durand, Daryl Haggard, Hadi Moazen, Jess McIver, Man Leong Chan, Nayyer Raza","cross_cats":["gr-qc"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2025-02-01T03:40:25Z","title":"GWSkyNet-Multi II: an updated machine learning model for rapid classification of gravitational-wave events"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2502.00297","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":"sha256:7a89e9715d6b415c42d4a71a5120501a6f6c14f8637924fd0ccc8af43b0ba32f","target":"record","created_at":"2026-07-05T11:55:37Z","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":"5600525bf2f364d1f533d20ce30ad65de6f33123387491e8aecfc95d52794471","cross_cats_sorted":["gr-qc"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2025-02-01T03:40:25Z","title_canon_sha256":"1217b1ed9f213a8abe508611daee656645f7a3c18c68323574d6077d95806b23"},"schema_version":"1.0","source":{"id":"2502.00297","kind":"arxiv","version":2}},"canonical_sha256":"46230a46b7835872e00191143996cb368a7cbf515a082ce1ef89f37c9a67cdc1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"46230a46b7835872e00191143996cb368a7cbf515a082ce1ef89f37c9a67cdc1","first_computed_at":"2026-07-05T11:55:37.958718Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:55:37.958718Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"0nYT3oJG0FIDS9zUTwiQlK61+d9t73926p01I7Tj6oteXjYJNUhtVJmQH/K/JC44q9Q3wPjsCtCxGDGeJFAwCg==","signature_status":"signed_v1","signed_at":"2026-07-05T11:55:37.959109Z","signed_message":"canonical_sha256_bytes"},"source_id":"2502.00297","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7a89e9715d6b415c42d4a71a5120501a6f6c14f8637924fd0ccc8af43b0ba32f","sha256:d4201b65621d4f26ad74fc62279806809df645203c859dded4be4a55f79829d6"],"state_sha256":"4625c883bb41f9fb0d0ac5a04268061e8c19a623eb84d887fa475844f8f69347"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TZZhI+KMO9/HoI2h5Z6wQ8tjjDX75fbX2yPHLUcbCbMhhU1iAcjeXmtOv2dPCrQwL62suOLmpZoCnVqA+u/lBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-11T00:29:31.053734Z","bundle_sha256":"7dc7633a261fea347046d6c9782bed602d6afaa96fa1ceb2b9d489d35b2ab9de"}}