{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:GSZSSNVANFMY32KZCECFRGAAG4","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":"043da0bdc88d17a53b926b74b4cd797a65b4dd5348467a6e451db35012712f8e","cross_cats_sorted":["hep-ph"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2026-03-11T20:06:10Z","title_canon_sha256":"99a4defac0e490c26a1ed16f62f5ba57019462027bf79f91cd622d9bba0f1983"},"schema_version":"1.0","source":{"id":"2603.11272","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2603.11272","created_at":"2026-05-28T02:04:46Z"},{"alias_kind":"arxiv_version","alias_value":"2603.11272v2","created_at":"2026-05-28T02:04:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2603.11272","created_at":"2026-05-28T02:04:46Z"},{"alias_kind":"pith_short_12","alias_value":"GSZSSNVANFMY","created_at":"2026-05-28T02:04:46Z"},{"alias_kind":"pith_short_16","alias_value":"GSZSSNVANFMY32KZ","created_at":"2026-05-28T02:04:46Z"},{"alias_kind":"pith_short_8","alias_value":"GSZSSNVA","created_at":"2026-05-28T02:04:46Z"}],"graph_snapshots":[{"event_id":"sha256:beff81874cfb96853bb752e291d38741b4029eacc9ed3246aeff5f5b429c70b4","target":"graph","created_at":"2026-05-28T02:04:46Z","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/2603.11272/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present a systematic survey of the neutrino spectral pinching parameter alpha_p(t, M, n-hat) across the Princeton Fornax ensemble of 3D core-collapse supernova simulations. We analyze 25 simulations spanning progenitor masses 8.1-100 M_sun with\n  durations up to 8.47 s post-bounce, computed with the Fornax code and the SFHo equation of state. The pinching parameter alpha_p = (2^2 - E_rms^2)/(E_rms^2 - ^2) is derived from 12-bin spectral moments on a 128x256 sky grid for three neutrino\n  species, enabling time- and angle-resolved spectral characterization.\n  Four results emerge. (1) The nu-b","authors_text":"Nicol\\'as Viaux M","cross_cats":["hep-ph"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2026-03-11T20:06:10Z","title":"Neutrino Spectral Pinching in 3D Core-Collapse Supernovae: Late-Time Convergence, Failed-Explosion Signatures, and Viewing-Angle Dispersion"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2603.11272","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:f1fa5b9d9eb2aa06a8eee1f0462912bb83387d0a6bdb70d11f7f33dfb46dec23","target":"record","created_at":"2026-05-28T02:04:46Z","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":"043da0bdc88d17a53b926b74b4cd797a65b4dd5348467a6e451db35012712f8e","cross_cats_sorted":["hep-ph"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2026-03-11T20:06:10Z","title_canon_sha256":"99a4defac0e490c26a1ed16f62f5ba57019462027bf79f91cd622d9bba0f1983"},"schema_version":"1.0","source":{"id":"2603.11272","kind":"arxiv","version":2}},"canonical_sha256":"34b32936a069598de95911045898003707d8809e266935430d216ccbf51fbeef","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"34b32936a069598de95911045898003707d8809e266935430d216ccbf51fbeef","first_computed_at":"2026-05-28T02:04:46.988061Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-28T02:04:46.988061Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"dzcPM8Fo7o+DZSqmG0iWqfG6nyLgAY36EcoZzB981OI8C64FOlePcLprNEPjiiSkJgo0IL+oPjGChIYuJbVqDg==","signature_status":"signed_v1","signed_at":"2026-05-28T02:04:46.988555Z","signed_message":"canonical_sha256_bytes"},"source_id":"2603.11272","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f1fa5b9d9eb2aa06a8eee1f0462912bb83387d0a6bdb70d11f7f33dfb46dec23","sha256:beff81874cfb96853bb752e291d38741b4029eacc9ed3246aeff5f5b429c70b4"],"state_sha256":"cb45b672ace01538722482b1a553604034f7f9fee345cbd31ff9e7c79fc82cc4"}