{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2008:4DYEG2IWPUJ5R43OYB3TUHYEAZ","short_pith_number":"pith:4DYEG2IW","canonical_record":{"source":{"id":"0806.2733","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-06-17T09:30:26Z","cross_cats_sorted":[],"title_canon_sha256":"0183227e8672488e9a3843c222c1283f29c8b6cc7647f80e9b5b96388318a7eb","abstract_canon_sha256":"99d447a897c4f71ec0c5c90e51381cf35d8b727fbf59322b6d9f8cab0b0427fb"},"schema_version":"1.0"},"canonical_sha256":"e0f04369167d13d8f36ec0773a1f04064b04703dbb3d6d292415a4bb78c68b7e","source":{"kind":"arxiv","id":"0806.2733","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0806.2733","created_at":"2026-05-18T04:18:13Z"},{"alias_kind":"arxiv_version","alias_value":"0806.2733v1","created_at":"2026-05-18T04:18:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0806.2733","created_at":"2026-05-18T04:18:13Z"},{"alias_kind":"pith_short_12","alias_value":"4DYEG2IWPUJ5","created_at":"2026-05-18T12:25:56Z"},{"alias_kind":"pith_short_16","alias_value":"4DYEG2IWPUJ5R43O","created_at":"2026-05-18T12:25:56Z"},{"alias_kind":"pith_short_8","alias_value":"4DYEG2IW","created_at":"2026-05-18T12:25:56Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2008:4DYEG2IWPUJ5R43OYB3TUHYEAZ","target":"record","payload":{"canonical_record":{"source":{"id":"0806.2733","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-06-17T09:30:26Z","cross_cats_sorted":[],"title_canon_sha256":"0183227e8672488e9a3843c222c1283f29c8b6cc7647f80e9b5b96388318a7eb","abstract_canon_sha256":"99d447a897c4f71ec0c5c90e51381cf35d8b727fbf59322b6d9f8cab0b0427fb"},"schema_version":"1.0"},"canonical_sha256":"e0f04369167d13d8f36ec0773a1f04064b04703dbb3d6d292415a4bb78c68b7e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:18:13.445096Z","signature_b64":"fJY+26tuwekSH7lGs+TIzXcH7mkZS/AxibI+p4qoNVn6OxajQHDqJYelSUwNSnPjX7CClDfy0AWkRwdqH66GDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e0f04369167d13d8f36ec0773a1f04064b04703dbb3d6d292415a4bb78c68b7e","last_reissued_at":"2026-05-18T04:18:13.444474Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:18:13.444474Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0806.2733","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":"2026-05-18T04:18:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lzGecXXM8y28l+Txf/GLnlmBfWysC5jGKu91/CI0zCIMW3xs4YkXH/UezhkhVoD9So51YTfKG1b8fbmvrnSXCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T13:53:20.882244Z"},"content_sha256":"88be1b41f69a2b5b40de971139ffe373a90cd12b2c8d9561e94fc13aba242299","schema_version":"1.0","event_id":"sha256:88be1b41f69a2b5b40de971139ffe373a90cd12b2c8d9561e94fc13aba242299"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2008:4DYEG2IWPUJ5R43OYB3TUHYEAZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"$^{26}$Al production from magnetically induced extramixing in AGB Stars","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"M. Busso, S. Palmerini","submitted_at":"2008-06-17T09:30:26Z","abstract_excerpt":"We discuss nucleosynthesis results obtained following the recent suggestion that extramixing phenomena in red giants might be driven by magnetic buoyancy. We explore for this model the production of the short-lived radioactive isotope $^{26}$Al and of stable light nuclei, considering both the case of the general buoyancy of flux tubes and that of the intermittent release of magnetized unstable structures. We show that abundant $^{26}$Al can be produced, up to, and above, the highest levels measured in presolar grains. This level would be also sufficient to explain the early solar system $^{26}"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0806.2733","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":"2026-05-18T04:18:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4tKUE8shWhL9Ve37jkk/QpnHi0jwxSJZE1rFxA+AZSOvco7kFRhkSjr3gDt0px6JVgMEytoCSxwjqw8IHlCeBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T13:53:20.882596Z"},"content_sha256":"e252036d58209c2f32e28351f6ad00c43ff80fc14958df7b350218605775ad7a","schema_version":"1.0","event_id":"sha256:e252036d58209c2f32e28351f6ad00c43ff80fc14958df7b350218605775ad7a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4DYEG2IWPUJ5R43OYB3TUHYEAZ/bundle.json","state_url":"https://pith.science/pith/4DYEG2IWPUJ5R43OYB3TUHYEAZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4DYEG2IWPUJ5R43OYB3TUHYEAZ/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":"2026-06-08T13:53:20Z","links":{"resolver":"https://pith.science/pith/4DYEG2IWPUJ5R43OYB3TUHYEAZ","bundle":"https://pith.science/pith/4DYEG2IWPUJ5R43OYB3TUHYEAZ/bundle.json","state":"https://pith.science/pith/4DYEG2IWPUJ5R43OYB3TUHYEAZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4DYEG2IWPUJ5R43OYB3TUHYEAZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2008:4DYEG2IWPUJ5R43OYB3TUHYEAZ","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":"99d447a897c4f71ec0c5c90e51381cf35d8b727fbf59322b6d9f8cab0b0427fb","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-06-17T09:30:26Z","title_canon_sha256":"0183227e8672488e9a3843c222c1283f29c8b6cc7647f80e9b5b96388318a7eb"},"schema_version":"1.0","source":{"id":"0806.2733","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0806.2733","created_at":"2026-05-18T04:18:13Z"},{"alias_kind":"arxiv_version","alias_value":"0806.2733v1","created_at":"2026-05-18T04:18:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0806.2733","created_at":"2026-05-18T04:18:13Z"},{"alias_kind":"pith_short_12","alias_value":"4DYEG2IWPUJ5","created_at":"2026-05-18T12:25:56Z"},{"alias_kind":"pith_short_16","alias_value":"4DYEG2IWPUJ5R43O","created_at":"2026-05-18T12:25:56Z"},{"alias_kind":"pith_short_8","alias_value":"4DYEG2IW","created_at":"2026-05-18T12:25:56Z"}],"graph_snapshots":[{"event_id":"sha256:e252036d58209c2f32e28351f6ad00c43ff80fc14958df7b350218605775ad7a","target":"graph","created_at":"2026-05-18T04:18:13Z","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 discuss nucleosynthesis results obtained following the recent suggestion that extramixing phenomena in red giants might be driven by magnetic buoyancy. We explore for this model the production of the short-lived radioactive isotope $^{26}$Al and of stable light nuclei, considering both the case of the general buoyancy of flux tubes and that of the intermittent release of magnetized unstable structures. We show that abundant $^{26}$Al can be produced, up to, and above, the highest levels measured in presolar grains. This level would be also sufficient to explain the early solar system $^{26}","authors_text":"M. Busso, S. Palmerini","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-06-17T09:30:26Z","title":"$^{26}$Al production from magnetically induced extramixing in AGB Stars"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0806.2733","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":"sha256:88be1b41f69a2b5b40de971139ffe373a90cd12b2c8d9561e94fc13aba242299","target":"record","created_at":"2026-05-18T04:18:13Z","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":"99d447a897c4f71ec0c5c90e51381cf35d8b727fbf59322b6d9f8cab0b0427fb","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-06-17T09:30:26Z","title_canon_sha256":"0183227e8672488e9a3843c222c1283f29c8b6cc7647f80e9b5b96388318a7eb"},"schema_version":"1.0","source":{"id":"0806.2733","kind":"arxiv","version":1}},"canonical_sha256":"e0f04369167d13d8f36ec0773a1f04064b04703dbb3d6d292415a4bb78c68b7e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e0f04369167d13d8f36ec0773a1f04064b04703dbb3d6d292415a4bb78c68b7e","first_computed_at":"2026-05-18T04:18:13.444474Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:18:13.444474Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"fJY+26tuwekSH7lGs+TIzXcH7mkZS/AxibI+p4qoNVn6OxajQHDqJYelSUwNSnPjX7CClDfy0AWkRwdqH66GDg==","signature_status":"signed_v1","signed_at":"2026-05-18T04:18:13.445096Z","signed_message":"canonical_sha256_bytes"},"source_id":"0806.2733","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:88be1b41f69a2b5b40de971139ffe373a90cd12b2c8d9561e94fc13aba242299","sha256:e252036d58209c2f32e28351f6ad00c43ff80fc14958df7b350218605775ad7a"],"state_sha256":"98caa8ca4e718842d0ec4788e5f719fe2779a043a6f0f468dda9236d8487bb6a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Uvt2LN0fw1J0kkNncRIKI1pOyFV3bfnEn27FlS2iU5bi2F3h2eK/CBi8rWEGqTHRQ2CLkgMWEq+vSe8bvdm+BA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-08T13:53:20.884549Z","bundle_sha256":"9152f52252a601b44908f3466ed6698fd03ec6a4982d82fe5a3ff583466a32fe"}}