{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:VT2UU4I2SEHNMYYJXDZDIXCL2W","short_pith_number":"pith:VT2UU4I2","canonical_record":{"source":{"id":"1307.4011","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2013-07-15T16:27:32Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"6b441731085d4346a0fa1970d3dd016bedc894bc6ef58db0d19168f6d6da3fb6","abstract_canon_sha256":"f43706bebd23c0e41cbd7ba4cf73ae6d0e7c4b85e10cf70c236546e3b43d30d2"},"schema_version":"1.0"},"canonical_sha256":"acf54a711a910ed66309b8f2345c4bd5a04204677de1e81dc42d00ac93ae7919","source":{"kind":"arxiv","id":"1307.4011","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1307.4011","created_at":"2026-05-18T01:48:50Z"},{"alias_kind":"arxiv_version","alias_value":"1307.4011v1","created_at":"2026-05-18T01:48:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1307.4011","created_at":"2026-05-18T01:48:50Z"},{"alias_kind":"pith_short_12","alias_value":"VT2UU4I2SEHN","created_at":"2026-05-18T12:28:04Z"},{"alias_kind":"pith_short_16","alias_value":"VT2UU4I2SEHNMYYJ","created_at":"2026-05-18T12:28:04Z"},{"alias_kind":"pith_short_8","alias_value":"VT2UU4I2","created_at":"2026-05-18T12:28:04Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:VT2UU4I2SEHNMYYJXDZDIXCL2W","target":"record","payload":{"canonical_record":{"source":{"id":"1307.4011","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2013-07-15T16:27:32Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"6b441731085d4346a0fa1970d3dd016bedc894bc6ef58db0d19168f6d6da3fb6","abstract_canon_sha256":"f43706bebd23c0e41cbd7ba4cf73ae6d0e7c4b85e10cf70c236546e3b43d30d2"},"schema_version":"1.0"},"canonical_sha256":"acf54a711a910ed66309b8f2345c4bd5a04204677de1e81dc42d00ac93ae7919","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:48:50.084349Z","signature_b64":"t9WIOVibjSV2DkB/CGPXR/6HFfDsRfOy+dGYYv5hijE3j2YAER6KoFPmrGovhPd/oRPHoh/1LKRnElrVUDNbDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"acf54a711a910ed66309b8f2345c4bd5a04204677de1e81dc42d00ac93ae7919","last_reissued_at":"2026-05-18T01:48:50.083651Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:48:50.083651Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1307.4011","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":"2026-05-18T01:48:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hRsrlFXvf9wNrXQ+dqCPDUxwGzTsmZt0AFM3afOOVj9jmylIwY0Lr7FQx7XFggBoekE10npzUnZhed5eOP0jCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-11T00:38:38.829450Z"},"content_sha256":"70f9848c6f7992425e7874dfbf91efeab0806d7c0e9e1a2441ee40c2f5b8ad45","schema_version":"1.0","event_id":"sha256:70f9848c6f7992425e7874dfbf91efeab0806d7c0e9e1a2441ee40c2f5b8ad45"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:VT2UU4I2SEHNMYYJXDZDIXCL2W","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Neutrino pair emission from thermally excited nuclei in stellar collapse","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"nucl-th","authors_text":"A. I. Vdovin, Alan A. Dzhioev","submitted_at":"2013-07-15T16:27:32Z","abstract_excerpt":"We examine the rate of neutrino-antineutrino pair emission by hot nuclei in collapsing stellar cores. The rates are calculated assuming that only allowed charge-neutral Gamow-Teller (GT$_0$) transitions contribute to the decay of thermally excited nuclear states. To obtain the GT$_0$ transition matrix elements, we employ the quasiparticle random phase approximation extended to finite temperatures within the thermo field dynamics formalism. The decay rates and the energy emission rates are calculated for the sample nuclei ${}^{56}$Fe and $^{82}$Ge at temperatures relevant to core collapse super"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1307.4011","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":""},"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":"2026-05-18T01:48:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WUQbwVAehA+YQAt2gfHtvJuzqFCXzGh4GNzeTDeBmUONlBLeKZMi7McwUe6B7mhG/vDfPk7N6zkOXdXrxP5rAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-11T00:38:38.830175Z"},"content_sha256":"e60a2fa673d8429eb3953469b7dc48d791922e218913d7ba3c4bef64dd7ee635","schema_version":"1.0","event_id":"sha256:e60a2fa673d8429eb3953469b7dc48d791922e218913d7ba3c4bef64dd7ee635"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VT2UU4I2SEHNMYYJXDZDIXCL2W/bundle.json","state_url":"https://pith.science/pith/VT2UU4I2SEHNMYYJXDZDIXCL2W/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VT2UU4I2SEHNMYYJXDZDIXCL2W/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":"2026-06-11T00:38:38Z","links":{"resolver":"https://pith.science/pith/VT2UU4I2SEHNMYYJXDZDIXCL2W","bundle":"https://pith.science/pith/VT2UU4I2SEHNMYYJXDZDIXCL2W/bundle.json","state":"https://pith.science/pith/VT2UU4I2SEHNMYYJXDZDIXCL2W/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VT2UU4I2SEHNMYYJXDZDIXCL2W/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:VT2UU4I2SEHNMYYJXDZDIXCL2W","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":"f43706bebd23c0e41cbd7ba4cf73ae6d0e7c4b85e10cf70c236546e3b43d30d2","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2013-07-15T16:27:32Z","title_canon_sha256":"6b441731085d4346a0fa1970d3dd016bedc894bc6ef58db0d19168f6d6da3fb6"},"schema_version":"1.0","source":{"id":"1307.4011","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1307.4011","created_at":"2026-05-18T01:48:50Z"},{"alias_kind":"arxiv_version","alias_value":"1307.4011v1","created_at":"2026-05-18T01:48:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1307.4011","created_at":"2026-05-18T01:48:50Z"},{"alias_kind":"pith_short_12","alias_value":"VT2UU4I2SEHN","created_at":"2026-05-18T12:28:04Z"},{"alias_kind":"pith_short_16","alias_value":"VT2UU4I2SEHNMYYJ","created_at":"2026-05-18T12:28:04Z"},{"alias_kind":"pith_short_8","alias_value":"VT2UU4I2","created_at":"2026-05-18T12:28:04Z"}],"graph_snapshots":[{"event_id":"sha256:e60a2fa673d8429eb3953469b7dc48d791922e218913d7ba3c4bef64dd7ee635","target":"graph","created_at":"2026-05-18T01:48:50Z","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"},"paper":{"abstract_excerpt":"We examine the rate of neutrino-antineutrino pair emission by hot nuclei in collapsing stellar cores. The rates are calculated assuming that only allowed charge-neutral Gamow-Teller (GT$_0$) transitions contribute to the decay of thermally excited nuclear states. To obtain the GT$_0$ transition matrix elements, we employ the quasiparticle random phase approximation extended to finite temperatures within the thermo field dynamics formalism. The decay rates and the energy emission rates are calculated for the sample nuclei ${}^{56}$Fe and $^{82}$Ge at temperatures relevant to core collapse super","authors_text":"A. I. Vdovin, Alan A. Dzhioev","cross_cats":["astro-ph.SR"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2013-07-15T16:27:32Z","title":"Neutrino pair emission from thermally excited nuclei in stellar collapse"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1307.4011","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":"sha256:70f9848c6f7992425e7874dfbf91efeab0806d7c0e9e1a2441ee40c2f5b8ad45","target":"record","created_at":"2026-05-18T01:48:50Z","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":"f43706bebd23c0e41cbd7ba4cf73ae6d0e7c4b85e10cf70c236546e3b43d30d2","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2013-07-15T16:27:32Z","title_canon_sha256":"6b441731085d4346a0fa1970d3dd016bedc894bc6ef58db0d19168f6d6da3fb6"},"schema_version":"1.0","source":{"id":"1307.4011","kind":"arxiv","version":1}},"canonical_sha256":"acf54a711a910ed66309b8f2345c4bd5a04204677de1e81dc42d00ac93ae7919","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"acf54a711a910ed66309b8f2345c4bd5a04204677de1e81dc42d00ac93ae7919","first_computed_at":"2026-05-18T01:48:50.083651Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:48:50.083651Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"t9WIOVibjSV2DkB/CGPXR/6HFfDsRfOy+dGYYv5hijE3j2YAER6KoFPmrGovhPd/oRPHoh/1LKRnElrVUDNbDw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:48:50.084349Z","signed_message":"canonical_sha256_bytes"},"source_id":"1307.4011","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:70f9848c6f7992425e7874dfbf91efeab0806d7c0e9e1a2441ee40c2f5b8ad45","sha256:e60a2fa673d8429eb3953469b7dc48d791922e218913d7ba3c4bef64dd7ee635"],"state_sha256":"a280967c5a1989548587ac069cf601548ef0d32ae3a7438ddd443099fb3b75a8"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JSw4pdB3pLxPLPDA0OnisbVANzBOTbxnEIiUuhgGa926saBHWa5pY0ak44CTmWMZ4FldQIgtEY66HGUjv9vFAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-11T00:38:38.834875Z","bundle_sha256":"978ee1b4c963bceee68ae0d1b95f4a092c44ab8bd469b2bd1e25abb086d5b3de"}}