{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:UNQ3RHRWB5HTUJ7MQCWNX6SDMK","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":"5b421cfd54d09096860701c5e8bce6c4b249b15da975807a896a57d594b1b5c3","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2016-06-13T21:02:57Z","title_canon_sha256":"7c74e667d897298677509a51f4103b49a88ef63c7a5f68e09a322ea1647221ca"},"schema_version":"1.0","source":{"id":"1606.04135","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1606.04135","created_at":"2026-05-18T01:01:51Z"},{"alias_kind":"arxiv_version","alias_value":"1606.04135v1","created_at":"2026-05-18T01:01:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1606.04135","created_at":"2026-05-18T01:01:51Z"},{"alias_kind":"pith_short_12","alias_value":"UNQ3RHRWB5HT","created_at":"2026-05-18T12:30:46Z"},{"alias_kind":"pith_short_16","alias_value":"UNQ3RHRWB5HTUJ7M","created_at":"2026-05-18T12:30:46Z"},{"alias_kind":"pith_short_8","alias_value":"UNQ3RHRW","created_at":"2026-05-18T12:30:46Z"}],"graph_snapshots":[{"event_id":"sha256:ce78fbe5e7f9c25d3b86ec823794510ff07bd57c7c3d760ae6b59226392de018","target":"graph","created_at":"2026-05-18T01:01:51Z","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":"A model is proposed in which the light r-process element enrichment in metal-poor stars is explained via enrichment from a truncated r-process, or \"tr-process.\" The truncation of the r-process from a generic core-collapse event followed by a collapse into an accretion-induced black hole is examined in the framework of a galactic chemical evolution model. The constraints on this model imposed by observations of extremely metal-poor stars are explained, and the upper limits in the [Sr/Ba] distributions are found to be related to the nuclear equation of state in a collapse scenario. The scatter i","authors_text":"M. A. Famiano, T. Kajino, T. Suda, W. Aoki","cross_cats":["astro-ph.SR"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2016-06-13T21:02:57Z","title":"Dependence of the Sr-to-Ba and Sr-to-Eu Ratio on the Nuclear Equation of State in Metal Poor Halo Stars"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1606.04135","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":"sha256:93384a5d53501298074f26ceebdcfd58de1c171f2e9a25d6b12f2f1200518451","target":"record","created_at":"2026-05-18T01:01:51Z","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":"5b421cfd54d09096860701c5e8bce6c4b249b15da975807a896a57d594b1b5c3","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2016-06-13T21:02:57Z","title_canon_sha256":"7c74e667d897298677509a51f4103b49a88ef63c7a5f68e09a322ea1647221ca"},"schema_version":"1.0","source":{"id":"1606.04135","kind":"arxiv","version":1}},"canonical_sha256":"a361b89e360f4f3a27ec80acdbfa43628e427866024752c75be7ae85f044c253","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a361b89e360f4f3a27ec80acdbfa43628e427866024752c75be7ae85f044c253","first_computed_at":"2026-05-18T01:01:51.674762Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:01:51.674762Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Y/w3FBrqqHKtZOcJ9CuVR3jY4fjiJimPIVn3SqriDy8WaAKw0I8lmvxCYLI/3Xu1c1sE9OkJslYgIo6I4zxsBA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:01:51.675534Z","signed_message":"canonical_sha256_bytes"},"source_id":"1606.04135","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:93384a5d53501298074f26ceebdcfd58de1c171f2e9a25d6b12f2f1200518451","sha256:ce78fbe5e7f9c25d3b86ec823794510ff07bd57c7c3d760ae6b59226392de018"],"state_sha256":"66eb3dd49e4dba78aea9aef08996554a4b9a801e5ab3705af3b30855ee3ee147"}