{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:BJRQGGL25ZNWM7RE5PRXD4QEDD","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":"566353734339f8682ec94d9653eb6d81bf0067989373f93a658edefb789dca46","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2025-06-02T01:29:50Z","title_canon_sha256":"fe9bcfeee1ff9971d5294e04edfcff6d3402b9a332a3829ab2625e953422de5c"},"schema_version":"1.0","source":{"id":"2506.01238","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2506.01238","created_at":"2026-07-05T11:14:10Z"},{"alias_kind":"arxiv_version","alias_value":"2506.01238v1","created_at":"2026-07-05T11:14:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2506.01238","created_at":"2026-07-05T11:14:10Z"},{"alias_kind":"pith_short_12","alias_value":"BJRQGGL25ZNW","created_at":"2026-07-05T11:14:10Z"},{"alias_kind":"pith_short_16","alias_value":"BJRQGGL25ZNWM7RE","created_at":"2026-07-05T11:14:10Z"},{"alias_kind":"pith_short_8","alias_value":"BJRQGGL2","created_at":"2026-07-05T11:14:10Z"}],"graph_snapshots":[{"event_id":"sha256:576a0fe4ba50224251c7d1ad87922870a2bfaa15f54890f41cfa9054d183da78","target":"graph","created_at":"2026-07-05T11:14:10Z","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/2506.01238/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Fast radio bursts (FRBs) are among the most energetic and enigmatic transients in the radio sky, with mounting evidence suggesting newborn, highly magnetized neutron stars formed in core-collapse supernovae (CCSNe) as their sources. A definitive spatial association between an FRB and a historic CCSN would confirm this link and tightly constrain young neutron star source models. Here we report on the first systematic cross-matching of 886 spectroscopically classified CCSNe in the local Universe (z $\\leq$ 0.043) against 241 CHIME/FRB Catalog 1 events, applying rigorous spatial, dispersion measur","authors_text":"Ben Margalit, Mohit Bhardwaj, Wanqing Liu","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2025-06-02T01:29:50Z","title":"Testing the Young FRB Progenitor Hypothesis: A Crossmatch of Catalog-1 CHIME Bursts with Historic Local Universe Supernovae"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2506.01238","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:d4b8efd68c95224c2d3ec272e721c534b1e3a6bd3b626a4b09821c083ef76eeb","target":"record","created_at":"2026-07-05T11:14:10Z","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":"566353734339f8682ec94d9653eb6d81bf0067989373f93a658edefb789dca46","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2025-06-02T01:29:50Z","title_canon_sha256":"fe9bcfeee1ff9971d5294e04edfcff6d3402b9a332a3829ab2625e953422de5c"},"schema_version":"1.0","source":{"id":"2506.01238","kind":"arxiv","version":1}},"canonical_sha256":"0a6303197aee5b667e24ebe371f20418db535d0311e544dacee9e4fa2695c471","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0a6303197aee5b667e24ebe371f20418db535d0311e544dacee9e4fa2695c471","first_computed_at":"2026-07-05T11:14:10.273021Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:14:10.273021Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"7ZBsLTPUQHmiMK2MKUBCdt5KjENSxpcsARtEpR77E+Mpu5BzyofyZYraFqhFneEKvtgk5ofWSiXoQGJZb2cVDA==","signature_status":"signed_v1","signed_at":"2026-07-05T11:14:10.273526Z","signed_message":"canonical_sha256_bytes"},"source_id":"2506.01238","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d4b8efd68c95224c2d3ec272e721c534b1e3a6bd3b626a4b09821c083ef76eeb","sha256:576a0fe4ba50224251c7d1ad87922870a2bfaa15f54890f41cfa9054d183da78"],"state_sha256":"e4b6a18b26997665f54d62622eeaab10704f356d53978a4baa089d1d21818781"}