{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2007:IZFLC7DASOWYCVWMHTQDYPHQLB","short_pith_number":"pith:IZFLC7DA","canonical_record":{"source":{"id":"astro-ph/0703091","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2007-03-05T21:26:30Z","cross_cats_sorted":[],"title_canon_sha256":"f3c9cad463310fa286c17ac5532b97e4610ffe11a123442748d49aadab0956ed","abstract_canon_sha256":"c87f5822d8baca7273a148c1bed3b5dbf9f2efaed7aaf39abc6f194820f1092a"},"schema_version":"1.0"},"canonical_sha256":"464ab17c6093ad8156cc3ce03c3cf05846b00d5c7c89f4a639143afe0830b24f","source":{"kind":"arxiv","id":"astro-ph/0703091","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0703091","created_at":"2026-05-18T04:29:05Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0703091v1","created_at":"2026-05-18T04:29:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0703091","created_at":"2026-05-18T04:29:05Z"},{"alias_kind":"pith_short_12","alias_value":"IZFLC7DASOWY","created_at":"2026-05-18T12:25:55Z"},{"alias_kind":"pith_short_16","alias_value":"IZFLC7DASOWYCVWM","created_at":"2026-05-18T12:25:55Z"},{"alias_kind":"pith_short_8","alias_value":"IZFLC7DA","created_at":"2026-05-18T12:25:55Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2007:IZFLC7DASOWYCVWMHTQDYPHQLB","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0703091","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2007-03-05T21:26:30Z","cross_cats_sorted":[],"title_canon_sha256":"f3c9cad463310fa286c17ac5532b97e4610ffe11a123442748d49aadab0956ed","abstract_canon_sha256":"c87f5822d8baca7273a148c1bed3b5dbf9f2efaed7aaf39abc6f194820f1092a"},"schema_version":"1.0"},"canonical_sha256":"464ab17c6093ad8156cc3ce03c3cf05846b00d5c7c89f4a639143afe0830b24f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:29:05.984054Z","signature_b64":"iXCQQVQBjUgbkMpy6Wlx+PiY8UYL35Cv0teZNyC0L2zAjOuBoyDfO1fRndPP+TVZzC2eQcW1yiesukSSS/abCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"464ab17c6093ad8156cc3ce03c3cf05846b00d5c7c89f4a639143afe0830b24f","last_reissued_at":"2026-05-18T04:29:05.983572Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:29:05.983572Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0703091","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":"2026-05-18T04:29:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rT3PEpjLxyzQnvO5fgylNlAAADjQAt+9JmB2viDfy0gsCL3XBDaypNNFjabrTAn13cJ6jsQR6gnh62nGk1mdAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T08:44:00.724084Z"},"content_sha256":"7f136f413c894b27465f7a962e8a73bf233fef90e71948a12560c88b36fd407c","schema_version":"1.0","event_id":"sha256:7f136f413c894b27465f7a962e8a73bf233fef90e71948a12560c88b36fd407c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2007:IZFLC7DASOWYCVWMHTQDYPHQLB","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Explorations of the r-Processes: Comparisons between Calculations and Observations of Low-Metallicity Stars","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Bernd Pfeiffer, Christopher Sneden, James W. Truran, John J. Cowan, Karl-Ludwig Kratz, Khalil Farouqi","submitted_at":"2007-03-05T21:26:30Z","abstract_excerpt":"Abundances of heavier elements (barium and beyond) in many neutron-capture-element-rich halo stars accurately replicate the solar system r-process pattern. However, abundances of lighter neutron-capture elements in these stars are not consistent with the solar system pattern. These comparisons suggest contributions from two distinct types of r-process synthesis events -- a so called main r-process for the elements above the 2nd r-process peak and a weak r-process for the lighter neutron-capture elements. We have performed r-process theoretical predictions to further explore the implications of"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0703091","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":"2026-05-18T04:29:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Xns9z6/Zg+HgcD2qZlI9jaW1HzjlthhkJ99EmuUbl1mtprYmUf/bpno1jRXGk+aPPPAju3mk10UODv9xpb4VAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T08:44:00.724729Z"},"content_sha256":"19c03144ff7b7dd54609fa9bbb9af5c42f0840a4bd37ee88e87ff4ee25aeccbc","schema_version":"1.0","event_id":"sha256:19c03144ff7b7dd54609fa9bbb9af5c42f0840a4bd37ee88e87ff4ee25aeccbc"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/IZFLC7DASOWYCVWMHTQDYPHQLB/bundle.json","state_url":"https://pith.science/pith/IZFLC7DASOWYCVWMHTQDYPHQLB/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/IZFLC7DASOWYCVWMHTQDYPHQLB/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":"2026-05-25T08:44:00Z","links":{"resolver":"https://pith.science/pith/IZFLC7DASOWYCVWMHTQDYPHQLB","bundle":"https://pith.science/pith/IZFLC7DASOWYCVWMHTQDYPHQLB/bundle.json","state":"https://pith.science/pith/IZFLC7DASOWYCVWMHTQDYPHQLB/state.json","well_known_bundle":"https://pith.science/.well-known/pith/IZFLC7DASOWYCVWMHTQDYPHQLB/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2007:IZFLC7DASOWYCVWMHTQDYPHQLB","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":"c87f5822d8baca7273a148c1bed3b5dbf9f2efaed7aaf39abc6f194820f1092a","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2007-03-05T21:26:30Z","title_canon_sha256":"f3c9cad463310fa286c17ac5532b97e4610ffe11a123442748d49aadab0956ed"},"schema_version":"1.0","source":{"id":"astro-ph/0703091","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0703091","created_at":"2026-05-18T04:29:05Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0703091v1","created_at":"2026-05-18T04:29:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0703091","created_at":"2026-05-18T04:29:05Z"},{"alias_kind":"pith_short_12","alias_value":"IZFLC7DASOWY","created_at":"2026-05-18T12:25:55Z"},{"alias_kind":"pith_short_16","alias_value":"IZFLC7DASOWYCVWM","created_at":"2026-05-18T12:25:55Z"},{"alias_kind":"pith_short_8","alias_value":"IZFLC7DA","created_at":"2026-05-18T12:25:55Z"}],"graph_snapshots":[{"event_id":"sha256:19c03144ff7b7dd54609fa9bbb9af5c42f0840a4bd37ee88e87ff4ee25aeccbc","target":"graph","created_at":"2026-05-18T04:29:05Z","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":"Abundances of heavier elements (barium and beyond) in many neutron-capture-element-rich halo stars accurately replicate the solar system r-process pattern. However, abundances of lighter neutron-capture elements in these stars are not consistent with the solar system pattern. These comparisons suggest contributions from two distinct types of r-process synthesis events -- a so called main r-process for the elements above the 2nd r-process peak and a weak r-process for the lighter neutron-capture elements. We have performed r-process theoretical predictions to further explore the implications of","authors_text":"Bernd Pfeiffer, Christopher Sneden, James W. Truran, John J. Cowan, Karl-Ludwig Kratz, Khalil Farouqi","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2007-03-05T21:26:30Z","title":"Explorations of the r-Processes: Comparisons between Calculations and Observations of Low-Metallicity Stars"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0703091","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":"sha256:7f136f413c894b27465f7a962e8a73bf233fef90e71948a12560c88b36fd407c","target":"record","created_at":"2026-05-18T04:29:05Z","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":"c87f5822d8baca7273a148c1bed3b5dbf9f2efaed7aaf39abc6f194820f1092a","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2007-03-05T21:26:30Z","title_canon_sha256":"f3c9cad463310fa286c17ac5532b97e4610ffe11a123442748d49aadab0956ed"},"schema_version":"1.0","source":{"id":"astro-ph/0703091","kind":"arxiv","version":1}},"canonical_sha256":"464ab17c6093ad8156cc3ce03c3cf05846b00d5c7c89f4a639143afe0830b24f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"464ab17c6093ad8156cc3ce03c3cf05846b00d5c7c89f4a639143afe0830b24f","first_computed_at":"2026-05-18T04:29:05.983572Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:29:05.983572Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"iXCQQVQBjUgbkMpy6Wlx+PiY8UYL35Cv0teZNyC0L2zAjOuBoyDfO1fRndPP+TVZzC2eQcW1yiesukSSS/abCA==","signature_status":"signed_v1","signed_at":"2026-05-18T04:29:05.984054Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0703091","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7f136f413c894b27465f7a962e8a73bf233fef90e71948a12560c88b36fd407c","sha256:19c03144ff7b7dd54609fa9bbb9af5c42f0840a4bd37ee88e87ff4ee25aeccbc"],"state_sha256":"5a01c20be43d18472476a65e86419492354e8e75edefcc50bf0c5063dc502844"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Qmapra8jVZ0ox/cW++hvRFBCUc3XnFCLSAx/61+LLhA7hzn+76/HxCwjoevd3U+daoje5FXpzurelgGtJjNtDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T08:44:00.727967Z","bundle_sha256":"02839d22dd31b54d4796c8803b25932898845754cf0b6955f2aff88201e6202a"}}