{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:KCZF7PV6QQXSVYOM5BXVNJ5WDR","short_pith_number":"pith:KCZF7PV6","canonical_record":{"source":{"id":"1312.1078","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-12-04T09:35:51Z","cross_cats_sorted":[],"title_canon_sha256":"01ba833a3aefa24605af398bfc45c6ba3ecbe903d8359aceb6901a21540927e2","abstract_canon_sha256":"f1a2bbbd086309cf8ace2e7a640158b0246ffd8e0445441b7706525df0c33ec8"},"schema_version":"1.0"},"canonical_sha256":"50b25fbebe842f2ae1cce86f56a7b61c4cc8e09eb5b2fb94a197aff0e72f461e","source":{"kind":"arxiv","id":"1312.1078","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1312.1078","created_at":"2026-05-18T01:45:58Z"},{"alias_kind":"arxiv_version","alias_value":"1312.1078v1","created_at":"2026-05-18T01:45:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1312.1078","created_at":"2026-05-18T01:45:58Z"},{"alias_kind":"pith_short_12","alias_value":"KCZF7PV6QQXS","created_at":"2026-05-18T12:27:49Z"},{"alias_kind":"pith_short_16","alias_value":"KCZF7PV6QQXSVYOM","created_at":"2026-05-18T12:27:49Z"},{"alias_kind":"pith_short_8","alias_value":"KCZF7PV6","created_at":"2026-05-18T12:27:49Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:KCZF7PV6QQXSVYOM5BXVNJ5WDR","target":"record","payload":{"canonical_record":{"source":{"id":"1312.1078","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-12-04T09:35:51Z","cross_cats_sorted":[],"title_canon_sha256":"01ba833a3aefa24605af398bfc45c6ba3ecbe903d8359aceb6901a21540927e2","abstract_canon_sha256":"f1a2bbbd086309cf8ace2e7a640158b0246ffd8e0445441b7706525df0c33ec8"},"schema_version":"1.0"},"canonical_sha256":"50b25fbebe842f2ae1cce86f56a7b61c4cc8e09eb5b2fb94a197aff0e72f461e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:45:58.822133Z","signature_b64":"O4sQ67QAyWXm5aFY6KOwefyxkrVhBev/clL05iTbz12TmCRcG56w9qc+/TTNXRiwQHR0UztQAtxeZOxheQCBAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"50b25fbebe842f2ae1cce86f56a7b61c4cc8e09eb5b2fb94a197aff0e72f461e","last_reissued_at":"2026-05-18T01:45:58.821520Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:45:58.821520Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1312.1078","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":"2026-05-18T01:45:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cyFwLFXXx7GsOFvXQP0huXCkP6lalVFHSfEJr5fawR0m0SrtAzlb7A1YIRv5Vx8yQJmsUccJBsIt7LtQfrtfBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T01:19:49.709344Z"},"content_sha256":"cddcfbd591d53647f248db626caa97069d3c7e143f65b49be91adbb46a872bcf","schema_version":"1.0","event_id":"sha256:cddcfbd591d53647f248db626caa97069d3c7e143f65b49be91adbb46a872bcf"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:KCZF7PV6QQXSVYOM5BXVNJ5WDR","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The effect of including molecular opacities of variable composition on the evolution of intermediate-mass AGB stars","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"A. I. Karakas, C. K. Fishlock, R. J. Stancliffe","submitted_at":"2013-12-04T09:35:51Z","abstract_excerpt":"Calculations from stellar evolutionary models of low- and intermediate-mass asymptotic giant branch (AGB) stars provide predictions of elemental abundances and yields for comparison to observations. However, there are many uncertainties that reduce the accuracy of these predictions. One such uncertainty involves the treatment of low-temperature molecular opacities that account for the surface abundance variations of C, N, and O. A number of prior calculations of intermediate-mass AGB stellar models that incorporate both efficient third dredge-up and hot bottom burning include a molecular opaci"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1312.1078","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":"2026-05-18T01:45:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"a3DdhtPC29zgy5xmaQGebTNQsB0pcLD4aXhavke3Xr2IH8fVFA2HJGvOBQrU/Sjq8xdct684loX15HX0hNj9Bw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T01:19:49.709700Z"},"content_sha256":"7236d3e733d3942928f2fd4a44f539aa5d9c849d83f97f18392458286c549ddd","schema_version":"1.0","event_id":"sha256:7236d3e733d3942928f2fd4a44f539aa5d9c849d83f97f18392458286c549ddd"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KCZF7PV6QQXSVYOM5BXVNJ5WDR/bundle.json","state_url":"https://pith.science/pith/KCZF7PV6QQXSVYOM5BXVNJ5WDR/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KCZF7PV6QQXSVYOM5BXVNJ5WDR/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":"2026-05-28T01:19:49Z","links":{"resolver":"https://pith.science/pith/KCZF7PV6QQXSVYOM5BXVNJ5WDR","bundle":"https://pith.science/pith/KCZF7PV6QQXSVYOM5BXVNJ5WDR/bundle.json","state":"https://pith.science/pith/KCZF7PV6QQXSVYOM5BXVNJ5WDR/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KCZF7PV6QQXSVYOM5BXVNJ5WDR/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:KCZF7PV6QQXSVYOM5BXVNJ5WDR","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":"f1a2bbbd086309cf8ace2e7a640158b0246ffd8e0445441b7706525df0c33ec8","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-12-04T09:35:51Z","title_canon_sha256":"01ba833a3aefa24605af398bfc45c6ba3ecbe903d8359aceb6901a21540927e2"},"schema_version":"1.0","source":{"id":"1312.1078","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1312.1078","created_at":"2026-05-18T01:45:58Z"},{"alias_kind":"arxiv_version","alias_value":"1312.1078v1","created_at":"2026-05-18T01:45:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1312.1078","created_at":"2026-05-18T01:45:58Z"},{"alias_kind":"pith_short_12","alias_value":"KCZF7PV6QQXS","created_at":"2026-05-18T12:27:49Z"},{"alias_kind":"pith_short_16","alias_value":"KCZF7PV6QQXSVYOM","created_at":"2026-05-18T12:27:49Z"},{"alias_kind":"pith_short_8","alias_value":"KCZF7PV6","created_at":"2026-05-18T12:27:49Z"}],"graph_snapshots":[{"event_id":"sha256:7236d3e733d3942928f2fd4a44f539aa5d9c849d83f97f18392458286c549ddd","target":"graph","created_at":"2026-05-18T01:45:58Z","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":"Calculations from stellar evolutionary models of low- and intermediate-mass asymptotic giant branch (AGB) stars provide predictions of elemental abundances and yields for comparison to observations. However, there are many uncertainties that reduce the accuracy of these predictions. One such uncertainty involves the treatment of low-temperature molecular opacities that account for the surface abundance variations of C, N, and O. A number of prior calculations of intermediate-mass AGB stellar models that incorporate both efficient third dredge-up and hot bottom burning include a molecular opaci","authors_text":"A. I. Karakas, C. K. Fishlock, R. J. Stancliffe","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-12-04T09:35:51Z","title":"The effect of including molecular opacities of variable composition on the evolution of intermediate-mass AGB stars"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1312.1078","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:cddcfbd591d53647f248db626caa97069d3c7e143f65b49be91adbb46a872bcf","target":"record","created_at":"2026-05-18T01:45:58Z","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":"f1a2bbbd086309cf8ace2e7a640158b0246ffd8e0445441b7706525df0c33ec8","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-12-04T09:35:51Z","title_canon_sha256":"01ba833a3aefa24605af398bfc45c6ba3ecbe903d8359aceb6901a21540927e2"},"schema_version":"1.0","source":{"id":"1312.1078","kind":"arxiv","version":1}},"canonical_sha256":"50b25fbebe842f2ae1cce86f56a7b61c4cc8e09eb5b2fb94a197aff0e72f461e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"50b25fbebe842f2ae1cce86f56a7b61c4cc8e09eb5b2fb94a197aff0e72f461e","first_computed_at":"2026-05-18T01:45:58.821520Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:45:58.821520Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"O4sQ67QAyWXm5aFY6KOwefyxkrVhBev/clL05iTbz12TmCRcG56w9qc+/TTNXRiwQHR0UztQAtxeZOxheQCBAg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:45:58.822133Z","signed_message":"canonical_sha256_bytes"},"source_id":"1312.1078","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:cddcfbd591d53647f248db626caa97069d3c7e143f65b49be91adbb46a872bcf","sha256:7236d3e733d3942928f2fd4a44f539aa5d9c849d83f97f18392458286c549ddd"],"state_sha256":"2cd42b9a94fa3718d21cfad7213aaa4a4b0234aadf33dfc6b7179942b4df88ba"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sWdzY5CSk2bvAsAhhARH22pUmTyDo/NLzJyVexmeSNcRqxUUliVJdBFpizhf7UrHdakmBxalSbxfx3+mRCa/Dg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T01:19:49.711723Z","bundle_sha256":"65818fb63eb56f55ecbbc077c6c84fe8e9f249b35e2d0d66b7e6913dd28d4dc1"}}