{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2008:CCVJZP32DXOG44A3V3TWNAQD3R","short_pith_number":"pith:CCVJZP32","canonical_record":{"source":{"id":"0811.0456","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-11-04T09:24:24Z","cross_cats_sorted":[],"title_canon_sha256":"e591962d6d0bc971f917d5237eb0f6b483f5f990a2049c3aa1e76093417dc4f9","abstract_canon_sha256":"dbf2e525648583aaaee1a837452fb855b6fef232ff722ac47edcb4ab1a426dfe"},"schema_version":"1.0"},"canonical_sha256":"10aa9cbf7a1ddc6e701baee7668203dc5545d9b4303c2a2fbf6c155487e2bb41","source":{"kind":"arxiv","id":"0811.0456","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0811.0456","created_at":"2026-05-18T04:07:52Z"},{"alias_kind":"arxiv_version","alias_value":"0811.0456v2","created_at":"2026-05-18T04:07:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0811.0456","created_at":"2026-05-18T04:07:52Z"},{"alias_kind":"pith_short_12","alias_value":"CCVJZP32DXOG","created_at":"2026-05-18T12:25:57Z"},{"alias_kind":"pith_short_16","alias_value":"CCVJZP32DXOG44A3","created_at":"2026-05-18T12:25:57Z"},{"alias_kind":"pith_short_8","alias_value":"CCVJZP32","created_at":"2026-05-18T12:25:57Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2008:CCVJZP32DXOG44A3V3TWNAQD3R","target":"record","payload":{"canonical_record":{"source":{"id":"0811.0456","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-11-04T09:24:24Z","cross_cats_sorted":[],"title_canon_sha256":"e591962d6d0bc971f917d5237eb0f6b483f5f990a2049c3aa1e76093417dc4f9","abstract_canon_sha256":"dbf2e525648583aaaee1a837452fb855b6fef232ff722ac47edcb4ab1a426dfe"},"schema_version":"1.0"},"canonical_sha256":"10aa9cbf7a1ddc6e701baee7668203dc5545d9b4303c2a2fbf6c155487e2bb41","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:07:52.890635Z","signature_b64":"z62WWnDMrPHWxh+KH39sUjlxkpWGu/LjouVNZ3Rp9GmoZWO4nn8WpR2tA1vOCpa0Kxo6SYImaLMRT9qwwPEpAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"10aa9cbf7a1ddc6e701baee7668203dc5545d9b4303c2a2fbf6c155487e2bb41","last_reissued_at":"2026-05-18T04:07:52.890054Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:07:52.890054Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0811.0456","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":"2026-05-18T04:07:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LD+zFXIU5f5ahYlcNaGCs64VZC201e7+AhXXQg4K1lNlDPo6aEkiUgSlrKtsJz2w79qdpATSKW17W499Cll7BA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T17:41:12.942683Z"},"content_sha256":"440f95dec5e250534ac8b0d3e4810ca1e5474316b57e65af20224a00ac1d8278","schema_version":"1.0","event_id":"sha256:440f95dec5e250534ac8b0d3e4810ca1e5474316b57e65af20224a00ac1d8278"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2008:CCVJZP32DXOG44A3V3TWNAQD3R","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Systematic thermal reduction of neutronization in core-collapse supernovae","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"A.F. Fantina, P. Donati, P.M. Pizzochero","submitted_at":"2008-11-04T09:24:24Z","abstract_excerpt":"We investigate to what extent the temperature dependence of the nuclear symmetry energy can affect the neutronization of the stellar core prior to neutrino trapping during gravitational collapse. To this end, we implement a one-zone simulation to follow the collapse until beta equilibrium is reached and the lepton fraction remains constant. Since the strength of electron capture on the neutron-rich nuclei associated to the supernova scenario is still an open issue, we keep it as a free parameter. We find that the temperature dependence of the symmetry energy consistently yields a small reducti"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0811.0456","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":""},"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":"2026-05-18T04:07:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vsYdwvMnnja6gVa4VriUmw01tbJZXDdk+QBKU/hIrIdBGJlIq9CAaTpGFo5+TXLO1DKtkrytEmS8o9BVNZVwCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T17:41:12.943395Z"},"content_sha256":"d04bb5ca02f2d96f4e20213f9efd3fb5e7977fb8dcf831410f8c0bd582ffdd31","schema_version":"1.0","event_id":"sha256:d04bb5ca02f2d96f4e20213f9efd3fb5e7977fb8dcf831410f8c0bd582ffdd31"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CCVJZP32DXOG44A3V3TWNAQD3R/bundle.json","state_url":"https://pith.science/pith/CCVJZP32DXOG44A3V3TWNAQD3R/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CCVJZP32DXOG44A3V3TWNAQD3R/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":"2026-05-30T17:41:12Z","links":{"resolver":"https://pith.science/pith/CCVJZP32DXOG44A3V3TWNAQD3R","bundle":"https://pith.science/pith/CCVJZP32DXOG44A3V3TWNAQD3R/bundle.json","state":"https://pith.science/pith/CCVJZP32DXOG44A3V3TWNAQD3R/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CCVJZP32DXOG44A3V3TWNAQD3R/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2008:CCVJZP32DXOG44A3V3TWNAQD3R","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":"dbf2e525648583aaaee1a837452fb855b6fef232ff722ac47edcb4ab1a426dfe","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-11-04T09:24:24Z","title_canon_sha256":"e591962d6d0bc971f917d5237eb0f6b483f5f990a2049c3aa1e76093417dc4f9"},"schema_version":"1.0","source":{"id":"0811.0456","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0811.0456","created_at":"2026-05-18T04:07:52Z"},{"alias_kind":"arxiv_version","alias_value":"0811.0456v2","created_at":"2026-05-18T04:07:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0811.0456","created_at":"2026-05-18T04:07:52Z"},{"alias_kind":"pith_short_12","alias_value":"CCVJZP32DXOG","created_at":"2026-05-18T12:25:57Z"},{"alias_kind":"pith_short_16","alias_value":"CCVJZP32DXOG44A3","created_at":"2026-05-18T12:25:57Z"},{"alias_kind":"pith_short_8","alias_value":"CCVJZP32","created_at":"2026-05-18T12:25:57Z"}],"graph_snapshots":[{"event_id":"sha256:d04bb5ca02f2d96f4e20213f9efd3fb5e7977fb8dcf831410f8c0bd582ffdd31","target":"graph","created_at":"2026-05-18T04:07:52Z","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 investigate to what extent the temperature dependence of the nuclear symmetry energy can affect the neutronization of the stellar core prior to neutrino trapping during gravitational collapse. To this end, we implement a one-zone simulation to follow the collapse until beta equilibrium is reached and the lepton fraction remains constant. Since the strength of electron capture on the neutron-rich nuclei associated to the supernova scenario is still an open issue, we keep it as a free parameter. We find that the temperature dependence of the symmetry energy consistently yields a small reducti","authors_text":"A.F. Fantina, P. Donati, P.M. Pizzochero","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-11-04T09:24:24Z","title":"Systematic thermal reduction of neutronization in core-collapse supernovae"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0811.0456","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":"sha256:440f95dec5e250534ac8b0d3e4810ca1e5474316b57e65af20224a00ac1d8278","target":"record","created_at":"2026-05-18T04:07:52Z","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":"dbf2e525648583aaaee1a837452fb855b6fef232ff722ac47edcb4ab1a426dfe","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-11-04T09:24:24Z","title_canon_sha256":"e591962d6d0bc971f917d5237eb0f6b483f5f990a2049c3aa1e76093417dc4f9"},"schema_version":"1.0","source":{"id":"0811.0456","kind":"arxiv","version":2}},"canonical_sha256":"10aa9cbf7a1ddc6e701baee7668203dc5545d9b4303c2a2fbf6c155487e2bb41","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"10aa9cbf7a1ddc6e701baee7668203dc5545d9b4303c2a2fbf6c155487e2bb41","first_computed_at":"2026-05-18T04:07:52.890054Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:07:52.890054Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"z62WWnDMrPHWxh+KH39sUjlxkpWGu/LjouVNZ3Rp9GmoZWO4nn8WpR2tA1vOCpa0Kxo6SYImaLMRT9qwwPEpAg==","signature_status":"signed_v1","signed_at":"2026-05-18T04:07:52.890635Z","signed_message":"canonical_sha256_bytes"},"source_id":"0811.0456","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:440f95dec5e250534ac8b0d3e4810ca1e5474316b57e65af20224a00ac1d8278","sha256:d04bb5ca02f2d96f4e20213f9efd3fb5e7977fb8dcf831410f8c0bd582ffdd31"],"state_sha256":"0daf23154edc282eb49d919c47de6ad62ed7dcdeeec91efd85fc8c49aea8498b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sP7ws0H8RChdTkYfW2Bgks5TAa15e6mGj7NoFokWM6enUfBup30AwmBgIYvABL/shv2VE6Y3e+JE6PwPheu6Bg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T17:41:12.947587Z","bundle_sha256":"c22390f19b58cb55a1503ceab1793d132208366888a840b2ddd06791caeeba17"}}