{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:AZRKG5GFFJYW2J6LLOVFYQK4O4","short_pith_number":"pith:AZRKG5GF","canonical_record":{"source":{"id":"1505.05500","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-05-20T19:54:45Z","cross_cats_sorted":[],"title_canon_sha256":"218dda55f4fd9937a34321e56b0ebb6c9623d0aa63d9ee53bddcf378610584ad","abstract_canon_sha256":"cd7b212239c07aa7c5416d373d78dd5e72175c243a7ef3138cd082404f214e69"},"schema_version":"1.0"},"canonical_sha256":"0662a374c52a716d27cb5baa5c415c772bbf77cac6ee33769b5efc83ca21c383","source":{"kind":"arxiv","id":"1505.05500","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1505.05500","created_at":"2026-05-18T01:36:17Z"},{"alias_kind":"arxiv_version","alias_value":"1505.05500v2","created_at":"2026-05-18T01:36:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1505.05500","created_at":"2026-05-18T01:36:17Z"},{"alias_kind":"pith_short_12","alias_value":"AZRKG5GFFJYW","created_at":"2026-05-18T12:29:14Z"},{"alias_kind":"pith_short_16","alias_value":"AZRKG5GFFJYW2J6L","created_at":"2026-05-18T12:29:14Z"},{"alias_kind":"pith_short_8","alias_value":"AZRKG5GF","created_at":"2026-05-18T12:29:14Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:AZRKG5GFFJYW2J6LLOVFYQK4O4","target":"record","payload":{"canonical_record":{"source":{"id":"1505.05500","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-05-20T19:54:45Z","cross_cats_sorted":[],"title_canon_sha256":"218dda55f4fd9937a34321e56b0ebb6c9623d0aa63d9ee53bddcf378610584ad","abstract_canon_sha256":"cd7b212239c07aa7c5416d373d78dd5e72175c243a7ef3138cd082404f214e69"},"schema_version":"1.0"},"canonical_sha256":"0662a374c52a716d27cb5baa5c415c772bbf77cac6ee33769b5efc83ca21c383","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:36:17.936581Z","signature_b64":"A9kDCK3mBN5fasYy+RD3IH7RdaxwvUMIJ49n2NRrTiVhq3DPorWF4YFCH3hskqGK72K/F4zYfsOt9mkzfXDsCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0662a374c52a716d27cb5baa5c415c772bbf77cac6ee33769b5efc83ca21c383","last_reissued_at":"2026-05-18T01:36:17.936050Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:36:17.936050Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1505.05500","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":"2026-05-18T01:36:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7q/+RLSWcJVA9LGxStqIn01ODA0Xj5+Za4KNOL1pSYFaD4u07SqZkaK3iO/NHo1mKerUTw68sw4mM60KYw3QCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T06:30:25.778146Z"},"content_sha256":"e9a4ceb9719be7c24c38a4dc6073d2f51726a51f82ef6aab817b8b3b8a9b92d9","schema_version":"1.0","event_id":"sha256:e9a4ceb9719be7c24c38a4dc6073d2f51726a51f82ef6aab817b8b3b8a9b92d9"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:AZRKG5GFFJYW2J6LLOVFYQK4O4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The i-process and CEMP-r/s stars","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"C. Higgs, C. Ritter, E. Heringer, F. Herwig, K.Venn, L. Dardelet, M. Bertolli, M. Pignatari, P. Denissenkov, P. Prado, P. Woodward, S. Jones, S. Sandalski","submitted_at":"2015-05-20T19:54:45Z","abstract_excerpt":"We investigate whether the anomalous elemental abundance patterns in some of the C-enhanced metal-poor-s+r (CEMP-r/s) stars are consistent with predictions of nucleosynthesis yields from the i-process, a neutron-capture regime at neutron densities intermediate between those typical for the slow (s) and rapid (r) processes. Conditions necessary for the i-process are expected to be met at multiple stellar sites, such as the He-core and He-shell flashes in low-metallicity low-mass stars, super-AGB and post-AGB stars, as well as low-metallicity massive stars. We have found that single-exposure one"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1505.05500","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":"2026-05-18T01:36:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MCc/9Wp+CGQWj9ybFwIQjEbFvF7TwishQGRY3AP8d9AbSTM3BZ4tGEfFHk+SSYB+Iyag9hpe4YMeh24GYikRCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T06:30:25.778870Z"},"content_sha256":"ad0f5ee14b540a20ce818e6736fba61a40c4124c936bc172fbbfc24ea0686cae","schema_version":"1.0","event_id":"sha256:ad0f5ee14b540a20ce818e6736fba61a40c4124c936bc172fbbfc24ea0686cae"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/AZRKG5GFFJYW2J6LLOVFYQK4O4/bundle.json","state_url":"https://pith.science/pith/AZRKG5GFFJYW2J6LLOVFYQK4O4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/AZRKG5GFFJYW2J6LLOVFYQK4O4/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":"2026-05-27T06:30:25Z","links":{"resolver":"https://pith.science/pith/AZRKG5GFFJYW2J6LLOVFYQK4O4","bundle":"https://pith.science/pith/AZRKG5GFFJYW2J6LLOVFYQK4O4/bundle.json","state":"https://pith.science/pith/AZRKG5GFFJYW2J6LLOVFYQK4O4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/AZRKG5GFFJYW2J6LLOVFYQK4O4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:AZRKG5GFFJYW2J6LLOVFYQK4O4","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":"cd7b212239c07aa7c5416d373d78dd5e72175c243a7ef3138cd082404f214e69","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-05-20T19:54:45Z","title_canon_sha256":"218dda55f4fd9937a34321e56b0ebb6c9623d0aa63d9ee53bddcf378610584ad"},"schema_version":"1.0","source":{"id":"1505.05500","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1505.05500","created_at":"2026-05-18T01:36:17Z"},{"alias_kind":"arxiv_version","alias_value":"1505.05500v2","created_at":"2026-05-18T01:36:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1505.05500","created_at":"2026-05-18T01:36:17Z"},{"alias_kind":"pith_short_12","alias_value":"AZRKG5GFFJYW","created_at":"2026-05-18T12:29:14Z"},{"alias_kind":"pith_short_16","alias_value":"AZRKG5GFFJYW2J6L","created_at":"2026-05-18T12:29:14Z"},{"alias_kind":"pith_short_8","alias_value":"AZRKG5GF","created_at":"2026-05-18T12:29:14Z"}],"graph_snapshots":[{"event_id":"sha256:ad0f5ee14b540a20ce818e6736fba61a40c4124c936bc172fbbfc24ea0686cae","target":"graph","created_at":"2026-05-18T01:36:17Z","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 whether the anomalous elemental abundance patterns in some of the C-enhanced metal-poor-s+r (CEMP-r/s) stars are consistent with predictions of nucleosynthesis yields from the i-process, a neutron-capture regime at neutron densities intermediate between those typical for the slow (s) and rapid (r) processes. Conditions necessary for the i-process are expected to be met at multiple stellar sites, such as the He-core and He-shell flashes in low-metallicity low-mass stars, super-AGB and post-AGB stars, as well as low-metallicity massive stars. We have found that single-exposure one","authors_text":"C. Higgs, C. Ritter, E. Heringer, F. Herwig, K.Venn, L. Dardelet, M. Bertolli, M. Pignatari, P. Denissenkov, P. Prado, P. Woodward, S. Jones, S. Sandalski","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-05-20T19:54:45Z","title":"The i-process and CEMP-r/s stars"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1505.05500","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:e9a4ceb9719be7c24c38a4dc6073d2f51726a51f82ef6aab817b8b3b8a9b92d9","target":"record","created_at":"2026-05-18T01:36:17Z","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":"cd7b212239c07aa7c5416d373d78dd5e72175c243a7ef3138cd082404f214e69","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-05-20T19:54:45Z","title_canon_sha256":"218dda55f4fd9937a34321e56b0ebb6c9623d0aa63d9ee53bddcf378610584ad"},"schema_version":"1.0","source":{"id":"1505.05500","kind":"arxiv","version":2}},"canonical_sha256":"0662a374c52a716d27cb5baa5c415c772bbf77cac6ee33769b5efc83ca21c383","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0662a374c52a716d27cb5baa5c415c772bbf77cac6ee33769b5efc83ca21c383","first_computed_at":"2026-05-18T01:36:17.936050Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:36:17.936050Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"A9kDCK3mBN5fasYy+RD3IH7RdaxwvUMIJ49n2NRrTiVhq3DPorWF4YFCH3hskqGK72K/F4zYfsOt9mkzfXDsCA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:36:17.936581Z","signed_message":"canonical_sha256_bytes"},"source_id":"1505.05500","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e9a4ceb9719be7c24c38a4dc6073d2f51726a51f82ef6aab817b8b3b8a9b92d9","sha256:ad0f5ee14b540a20ce818e6736fba61a40c4124c936bc172fbbfc24ea0686cae"],"state_sha256":"174a141f305f60c63f78d8dad579e3d30b4e54a92836b710666f5e5bc958fd76"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1/zUAhyq0Jy1/bAkucTSJ5vggKXtxKqiqUdhtkxLSCWkplU1WR7n36aZcY8hKTQNjycMWAPX9SYQF1Rb0w+gAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T06:30:25.782809Z","bundle_sha256":"40e8903208874f0533fb9e5a5cbec79cbc21a5774db5a6dcdc43016d64a346f0"}}