{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:JBYUJYJW764GXNRA5RVAKARIL3","short_pith_number":"pith:JBYUJYJW","canonical_record":{"source":{"id":"1111.1722","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-11-07T21:00:01Z","cross_cats_sorted":[],"title_canon_sha256":"b0ba75411143755d88050def4814d60435b4586d74c539d9b10db51493fe811e","abstract_canon_sha256":"4495937db343e07fb3436a19f91210bc981635d24dcfd244afa77d1d11468278"},"schema_version":"1.0"},"canonical_sha256":"487144e136ffb86bb620ec6a0502285edefd0c27ae56c8e4f21565b38eb9bc49","source":{"kind":"arxiv","id":"1111.1722","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1111.1722","created_at":"2026-05-18T01:59:44Z"},{"alias_kind":"arxiv_version","alias_value":"1111.1722v2","created_at":"2026-05-18T01:59:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1111.1722","created_at":"2026-05-18T01:59:44Z"},{"alias_kind":"pith_short_12","alias_value":"JBYUJYJW764G","created_at":"2026-05-18T12:26:32Z"},{"alias_kind":"pith_short_16","alias_value":"JBYUJYJW764GXNRA","created_at":"2026-05-18T12:26:32Z"},{"alias_kind":"pith_short_8","alias_value":"JBYUJYJW","created_at":"2026-05-18T12:26:32Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:JBYUJYJW764GXNRA5RVAKARIL3","target":"record","payload":{"canonical_record":{"source":{"id":"1111.1722","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-11-07T21:00:01Z","cross_cats_sorted":[],"title_canon_sha256":"b0ba75411143755d88050def4814d60435b4586d74c539d9b10db51493fe811e","abstract_canon_sha256":"4495937db343e07fb3436a19f91210bc981635d24dcfd244afa77d1d11468278"},"schema_version":"1.0"},"canonical_sha256":"487144e136ffb86bb620ec6a0502285edefd0c27ae56c8e4f21565b38eb9bc49","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:59:44.194179Z","signature_b64":"CRXvMdnUoJhRMphro/SsZMIzPUjmNuS3ekcNODNaI5ZKGlgW9HLWpR4XQlnDCVFafCgt+HZ2wSNQdDOBL/FyAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"487144e136ffb86bb620ec6a0502285edefd0c27ae56c8e4f21565b38eb9bc49","last_reissued_at":"2026-05-18T01:59:44.193591Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:59:44.193591Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1111.1722","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":"2026-05-18T01:59:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xpxG5dFq+f73K2Oj1FGcchLJJT9eHN5KKSJUNCXn3YzBvCNVbEW0f3H8KgqT/6fFKAtRbbZcbgS6Q/kEnbxhAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-19T03:40:54.230487Z"},"content_sha256":"502104f782560c8dca37602f0bd30d3fe815a405b75a0251230ffe8dec6e6f98","schema_version":"1.0","event_id":"sha256:502104f782560c8dca37602f0bd30d3fe815a405b75a0251230ffe8dec6e6f98"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:JBYUJYJW764GXNRA5RVAKARIL3","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Evolution and Nucleosynthesis of AGB stars in Three Magellanic Cloud Clusters","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"A. I. Karakas, D. Kamath, P. R. Wood","submitted_at":"2011-11-07T21:00:01Z","abstract_excerpt":"We present stellar evolutionary sequences for asymptotic giant branch (AGB) stars in the Magellanic Cloud clusters NGC 1978, NGC 1846 and NGC 419. The new stellar models for the three clusters match the observed effective temperatures on the giant branches, the oxygen-rich to carbon-rich transition luminosities, and the AGB-tip luminosities. A major finding is that a large amount of convective overshoot (up to 3 pressure scale heights) is required at the base of the convective envelope during third dredge-up in order to get the correct oxygen-rich to carbon-rich transition luminosity. The stel"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1111.1722","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":"2026-05-18T01:59:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NGPuM6xgi1OZX9QE99O6iMdUg0gHhSnXPaNQP745K4hWbjQ4gtzNT02CP9y3n/D5C287bMajHecqeCzNSoeiCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-19T03:40:54.231090Z"},"content_sha256":"bff094a5519c821a427e923aeab05cbae9e3946550caa2641935f7d553766c26","schema_version":"1.0","event_id":"sha256:bff094a5519c821a427e923aeab05cbae9e3946550caa2641935f7d553766c26"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JBYUJYJW764GXNRA5RVAKARIL3/bundle.json","state_url":"https://pith.science/pith/JBYUJYJW764GXNRA5RVAKARIL3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JBYUJYJW764GXNRA5RVAKARIL3/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":"2026-08-19T03:40:54Z","links":{"resolver":"https://pith.science/pith/JBYUJYJW764GXNRA5RVAKARIL3","bundle":"https://pith.science/pith/JBYUJYJW764GXNRA5RVAKARIL3/bundle.json","state":"https://pith.science/pith/JBYUJYJW764GXNRA5RVAKARIL3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JBYUJYJW764GXNRA5RVAKARIL3/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:JBYUJYJW764GXNRA5RVAKARIL3","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":"4495937db343e07fb3436a19f91210bc981635d24dcfd244afa77d1d11468278","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-11-07T21:00:01Z","title_canon_sha256":"b0ba75411143755d88050def4814d60435b4586d74c539d9b10db51493fe811e"},"schema_version":"1.0","source":{"id":"1111.1722","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1111.1722","created_at":"2026-05-18T01:59:44Z"},{"alias_kind":"arxiv_version","alias_value":"1111.1722v2","created_at":"2026-05-18T01:59:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1111.1722","created_at":"2026-05-18T01:59:44Z"},{"alias_kind":"pith_short_12","alias_value":"JBYUJYJW764G","created_at":"2026-05-18T12:26:32Z"},{"alias_kind":"pith_short_16","alias_value":"JBYUJYJW764GXNRA","created_at":"2026-05-18T12:26:32Z"},{"alias_kind":"pith_short_8","alias_value":"JBYUJYJW","created_at":"2026-05-18T12:26:32Z"}],"graph_snapshots":[{"event_id":"sha256:bff094a5519c821a427e923aeab05cbae9e3946550caa2641935f7d553766c26","target":"graph","created_at":"2026-05-18T01:59:44Z","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 present stellar evolutionary sequences for asymptotic giant branch (AGB) stars in the Magellanic Cloud clusters NGC 1978, NGC 1846 and NGC 419. The new stellar models for the three clusters match the observed effective temperatures on the giant branches, the oxygen-rich to carbon-rich transition luminosities, and the AGB-tip luminosities. A major finding is that a large amount of convective overshoot (up to 3 pressure scale heights) is required at the base of the convective envelope during third dredge-up in order to get the correct oxygen-rich to carbon-rich transition luminosity. The stel","authors_text":"A. I. Karakas, D. Kamath, P. R. Wood","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-11-07T21:00:01Z","title":"Evolution and Nucleosynthesis of AGB stars in Three Magellanic Cloud Clusters"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1111.1722","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":"sha256:502104f782560c8dca37602f0bd30d3fe815a405b75a0251230ffe8dec6e6f98","target":"record","created_at":"2026-05-18T01:59:44Z","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":"4495937db343e07fb3436a19f91210bc981635d24dcfd244afa77d1d11468278","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-11-07T21:00:01Z","title_canon_sha256":"b0ba75411143755d88050def4814d60435b4586d74c539d9b10db51493fe811e"},"schema_version":"1.0","source":{"id":"1111.1722","kind":"arxiv","version":2}},"canonical_sha256":"487144e136ffb86bb620ec6a0502285edefd0c27ae56c8e4f21565b38eb9bc49","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"487144e136ffb86bb620ec6a0502285edefd0c27ae56c8e4f21565b38eb9bc49","first_computed_at":"2026-05-18T01:59:44.193591Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:59:44.193591Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"CRXvMdnUoJhRMphro/SsZMIzPUjmNuS3ekcNODNaI5ZKGlgW9HLWpR4XQlnDCVFafCgt+HZ2wSNQdDOBL/FyAw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:59:44.194179Z","signed_message":"canonical_sha256_bytes"},"source_id":"1111.1722","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:502104f782560c8dca37602f0bd30d3fe815a405b75a0251230ffe8dec6e6f98","sha256:bff094a5519c821a427e923aeab05cbae9e3946550caa2641935f7d553766c26"],"state_sha256":"962b46e2fc1c7b510ab30d5f777d2e2fd4b49b14a89d90d22c7f3ffc974a6893"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"owRuY45Nbr40Qv9482lUiSGAcN17wA4XoYGFQPuTsww/BlWZ/FAKxuLdnmCO/eXNSvm1pCqQ4hC8jVCak0MfBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-19T03:40:54.236742Z","bundle_sha256":"79b0486c635a4da5d3d14e3e9efb69d20943492ef4e94d741b69b4bf571dbd20"}}