{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:XBLTT4L5DOACIF4UQACUIV6DTZ","short_pith_number":"pith:XBLTT4L5","canonical_record":{"source":{"id":"1212.0313","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2012-12-03T08:45:56Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"94299258a6e36080524b3750532b29d3cfdcf269a64febf337b64dbae1a45f1f","abstract_canon_sha256":"172e811eb2bed0d2246d00ddfc1762f4b3902ef396090b3d58a0a35d0fc5e8b1"},"schema_version":"1.0"},"canonical_sha256":"b85739f17d1b8024179480054457c39e56e6cf89e3b26ef4c768e28f100d7b4f","source":{"kind":"arxiv","id":"1212.0313","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1212.0313","created_at":"2026-05-18T02:55:20Z"},{"alias_kind":"arxiv_version","alias_value":"1212.0313v2","created_at":"2026-05-18T02:55:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1212.0313","created_at":"2026-05-18T02:55:20Z"},{"alias_kind":"pith_short_12","alias_value":"XBLTT4L5DOAC","created_at":"2026-05-18T12:27:27Z"},{"alias_kind":"pith_short_16","alias_value":"XBLTT4L5DOACIF4U","created_at":"2026-05-18T12:27:27Z"},{"alias_kind":"pith_short_8","alias_value":"XBLTT4L5","created_at":"2026-05-18T12:27:27Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:XBLTT4L5DOACIF4UQACUIV6DTZ","target":"record","payload":{"canonical_record":{"source":{"id":"1212.0313","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2012-12-03T08:45:56Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"94299258a6e36080524b3750532b29d3cfdcf269a64febf337b64dbae1a45f1f","abstract_canon_sha256":"172e811eb2bed0d2246d00ddfc1762f4b3902ef396090b3d58a0a35d0fc5e8b1"},"schema_version":"1.0"},"canonical_sha256":"b85739f17d1b8024179480054457c39e56e6cf89e3b26ef4c768e28f100d7b4f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:55:20.670868Z","signature_b64":"K9wG1lN+3FDga6hJTiirsJCk4vvty7F0d6v8dX8X8gR5IAuLdN9+QBbfxEbIuTcXQMly3vaga6rj7sNbx3mzDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b85739f17d1b8024179480054457c39e56e6cf89e3b26ef4c768e28f100d7b4f","last_reissued_at":"2026-05-18T02:55:20.670469Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:55:20.670469Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1212.0313","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":"2026-05-18T02:55:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HkXeggKBkwyqGxbDYYRwrPTSEicxTx3BmtnkSTFaB6X+GPQ6rXVZKAWEcO2soD2uQev2QpTJ3+4JHqCM6GkxAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T03:22:43.441522Z"},"content_sha256":"3cc6e1ab9d5e9c1f8a8f04a2620a32d12a91c0690d449e0112f364b2de04f736","schema_version":"1.0","event_id":"sha256:3cc6e1ab9d5e9c1f8a8f04a2620a32d12a91c0690d449e0112f364b2de04f736"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:XBLTT4L5DOACIF4UQACUIV6DTZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Progenitors of type Ia supernovae and the metallicity distribution of G-type dwarfs","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.SR","authors_text":"D. Vanbeveren, J. P. De Greve, N. Mennekens","submitted_at":"2012-12-03T08:45:56Z","abstract_excerpt":"We investigate the contribution to the formation of type Ia supernovae of the single (a white dwarf accreting from a non-degenerate companion) and double (two merging white dwarfs) degenerate scenario, as well as various aspects of the binary evolution process leading to such a progenitor system. We aim to get a better insight into uncertainties and parameter spaces by means of a combined modelization, resulting in a reduction of the number of possible model approaches. This exclusion of parts of the parameter space is, as will be shown, often independent of uncertainties in the modelization. "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1212.0313","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":"2026-05-18T02:55:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PK6boV6jhSuM2QB0T4tyhuoglFHtaMz4SCWp4Gb8Dr5P1n8tMl3X0soMzYmnB6bhzyx2UuhEz+Yhj4EvQeSICw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T03:22:43.441876Z"},"content_sha256":"63709737a3e53f0deb78313b2d442dac0201cb26d9bc8d10dfd6d3f57f383763","schema_version":"1.0","event_id":"sha256:63709737a3e53f0deb78313b2d442dac0201cb26d9bc8d10dfd6d3f57f383763"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/XBLTT4L5DOACIF4UQACUIV6DTZ/bundle.json","state_url":"https://pith.science/pith/XBLTT4L5DOACIF4UQACUIV6DTZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/XBLTT4L5DOACIF4UQACUIV6DTZ/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":"2026-06-03T03:22:43Z","links":{"resolver":"https://pith.science/pith/XBLTT4L5DOACIF4UQACUIV6DTZ","bundle":"https://pith.science/pith/XBLTT4L5DOACIF4UQACUIV6DTZ/bundle.json","state":"https://pith.science/pith/XBLTT4L5DOACIF4UQACUIV6DTZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/XBLTT4L5DOACIF4UQACUIV6DTZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:XBLTT4L5DOACIF4UQACUIV6DTZ","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":"172e811eb2bed0d2246d00ddfc1762f4b3902ef396090b3d58a0a35d0fc5e8b1","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2012-12-03T08:45:56Z","title_canon_sha256":"94299258a6e36080524b3750532b29d3cfdcf269a64febf337b64dbae1a45f1f"},"schema_version":"1.0","source":{"id":"1212.0313","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1212.0313","created_at":"2026-05-18T02:55:20Z"},{"alias_kind":"arxiv_version","alias_value":"1212.0313v2","created_at":"2026-05-18T02:55:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1212.0313","created_at":"2026-05-18T02:55:20Z"},{"alias_kind":"pith_short_12","alias_value":"XBLTT4L5DOAC","created_at":"2026-05-18T12:27:27Z"},{"alias_kind":"pith_short_16","alias_value":"XBLTT4L5DOACIF4U","created_at":"2026-05-18T12:27:27Z"},{"alias_kind":"pith_short_8","alias_value":"XBLTT4L5","created_at":"2026-05-18T12:27:27Z"}],"graph_snapshots":[{"event_id":"sha256:63709737a3e53f0deb78313b2d442dac0201cb26d9bc8d10dfd6d3f57f383763","target":"graph","created_at":"2026-05-18T02:55:20Z","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 the contribution to the formation of type Ia supernovae of the single (a white dwarf accreting from a non-degenerate companion) and double (two merging white dwarfs) degenerate scenario, as well as various aspects of the binary evolution process leading to such a progenitor system. We aim to get a better insight into uncertainties and parameter spaces by means of a combined modelization, resulting in a reduction of the number of possible model approaches. This exclusion of parts of the parameter space is, as will be shown, often independent of uncertainties in the modelization. ","authors_text":"D. Vanbeveren, J. P. De Greve, N. Mennekens","cross_cats":["astro-ph.GA"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2012-12-03T08:45:56Z","title":"Progenitors of type Ia supernovae and the metallicity distribution of G-type dwarfs"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1212.0313","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":"sha256:3cc6e1ab9d5e9c1f8a8f04a2620a32d12a91c0690d449e0112f364b2de04f736","target":"record","created_at":"2026-05-18T02:55:20Z","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":"172e811eb2bed0d2246d00ddfc1762f4b3902ef396090b3d58a0a35d0fc5e8b1","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2012-12-03T08:45:56Z","title_canon_sha256":"94299258a6e36080524b3750532b29d3cfdcf269a64febf337b64dbae1a45f1f"},"schema_version":"1.0","source":{"id":"1212.0313","kind":"arxiv","version":2}},"canonical_sha256":"b85739f17d1b8024179480054457c39e56e6cf89e3b26ef4c768e28f100d7b4f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b85739f17d1b8024179480054457c39e56e6cf89e3b26ef4c768e28f100d7b4f","first_computed_at":"2026-05-18T02:55:20.670469Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:55:20.670469Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"K9wG1lN+3FDga6hJTiirsJCk4vvty7F0d6v8dX8X8gR5IAuLdN9+QBbfxEbIuTcXQMly3vaga6rj7sNbx3mzDg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:55:20.670868Z","signed_message":"canonical_sha256_bytes"},"source_id":"1212.0313","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3cc6e1ab9d5e9c1f8a8f04a2620a32d12a91c0690d449e0112f364b2de04f736","sha256:63709737a3e53f0deb78313b2d442dac0201cb26d9bc8d10dfd6d3f57f383763"],"state_sha256":"4ac5f8ee32d35f040fe45620ce5e129eddc368ace9298c894b4df50a08f33363"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jMfKU0sa1Pmfbx3P56WOk8xccps+X+l6mg6EJNOVJr+VAQAgP/pTzoNZ42m0KNP60SlQ8ouicq6p+7IbfBjeDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-03T03:22:43.443873Z","bundle_sha256":"2241befc94f97c3c7b69cf6cbeb18bb73ddd33919c06473d4a4cbc2d82343662"}}