{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:5T5AQ4HZOIFGSDOFBIGJSHBLZA","short_pith_number":"pith:5T5AQ4HZ","canonical_record":{"source":{"id":"2204.00510","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2022-04-01T15:07:49Z","cross_cats_sorted":[],"title_canon_sha256":"96b0c01d17bb6a456f5336f761ea54130791d02d978dd908016def315b5ce1af","abstract_canon_sha256":"65eeb1f3a718191471442ef456c50eb794ce99593eec8270f797273282a4a98c"},"schema_version":"1.0"},"canonical_sha256":"ecfa0870f9720a690dc50a0c991c2bc8232b09a5f7ab4741caeca49c7b4622a7","source":{"kind":"arxiv","id":"2204.00510","version":4},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2204.00510","created_at":"2026-07-05T05:14:12Z"},{"alias_kind":"arxiv_version","alias_value":"2204.00510v4","created_at":"2026-07-05T05:14:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2204.00510","created_at":"2026-07-05T05:14:12Z"},{"alias_kind":"pith_short_12","alias_value":"5T5AQ4HZOIFG","created_at":"2026-07-05T05:14:12Z"},{"alias_kind":"pith_short_16","alias_value":"5T5AQ4HZOIFGSDOF","created_at":"2026-07-05T05:14:12Z"},{"alias_kind":"pith_short_8","alias_value":"5T5AQ4HZ","created_at":"2026-07-05T05:14:12Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:5T5AQ4HZOIFGSDOFBIGJSHBLZA","target":"record","payload":{"canonical_record":{"source":{"id":"2204.00510","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2022-04-01T15:07:49Z","cross_cats_sorted":[],"title_canon_sha256":"96b0c01d17bb6a456f5336f761ea54130791d02d978dd908016def315b5ce1af","abstract_canon_sha256":"65eeb1f3a718191471442ef456c50eb794ce99593eec8270f797273282a4a98c"},"schema_version":"1.0"},"canonical_sha256":"ecfa0870f9720a690dc50a0c991c2bc8232b09a5f7ab4741caeca49c7b4622a7","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T05:14:12.900695Z","signature_b64":"a6Y+jrgtxme1bxS9E+3uNED1WVU5Q8AApto/MVNJUIFw5DBCfO0EfaUpDUOrOChYK1aQjyh7ZYNG5yb6WuKKCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ecfa0870f9720a690dc50a0c991c2bc8232b09a5f7ab4741caeca49c7b4622a7","last_reissued_at":"2026-07-05T05:14:12.900253Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T05:14:12.900253Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2204.00510","source_version":4,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T05:14:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tCvOu9fRB9NG3oHH3oZMEQmeArFs84SYsGCDpVuy1yMT+Gm3w6SSkrnhHqcpIKn7YNKN28SSEPqZ2T01KaxtDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T06:52:25.759456Z"},"content_sha256":"62d73ba42ebf105a01c655e7e9c41222dedb177d3177c5b8d3a354a44c6b1142","schema_version":"1.0","event_id":"sha256:62d73ba42ebf105a01c655e7e9c41222dedb177d3177c5b8d3a354a44c6b1142"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:5T5AQ4HZOIFGSDOFBIGJSHBLZA","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Chemical evolution of $^{26}$Al and $^{60}$Fe in the Milky Way","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"A. Vasini, E. Spitoni, F. Matteucci","submitted_at":"2022-04-01T15:07:49Z","abstract_excerpt":"We present theoretical mass estimates of $^{26}$Al and $^{60}$Fe throughout the Galaxy, performed with a numerical chemical evolution model including detailed nucleosynthesis prescriptions for stable and radioactive nuclides. We compared the results for several sets of stellar yields taken from the literature, for massive, low and intermediate mass stars, nova systems (only for $^{26}$Al) and supernovae Type Ia.We then computed the total masses of $^{26}$Al and $^{60}$Fe in the Galaxy. We studied the bulge and the disc of the Galaxy in a galactocentric radius range 0-22 kpc. We assumed that th"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2204.00510","kind":"arxiv","version":4},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2204.00510/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T05:14:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"g9lQgoHiq1NdBDc6Mx9L82rQTozaj0nnDxutZNraf7KEQtQoMEolkY6Rrv/S/+DH6mZ5+nWXUK4LCIquzCWfBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T06:52:25.760542Z"},"content_sha256":"ef692f2fe552a8d385ad584f307265062d7a330e5b0d15c002986d0edd3576a8","schema_version":"1.0","event_id":"sha256:ef692f2fe552a8d385ad584f307265062d7a330e5b0d15c002986d0edd3576a8"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5T5AQ4HZOIFGSDOFBIGJSHBLZA/bundle.json","state_url":"https://pith.science/pith/5T5AQ4HZOIFGSDOFBIGJSHBLZA/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5T5AQ4HZOIFGSDOFBIGJSHBLZA/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":"2026-08-06T06:52:25Z","links":{"resolver":"https://pith.science/pith/5T5AQ4HZOIFGSDOFBIGJSHBLZA","bundle":"https://pith.science/pith/5T5AQ4HZOIFGSDOFBIGJSHBLZA/bundle.json","state":"https://pith.science/pith/5T5AQ4HZOIFGSDOFBIGJSHBLZA/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5T5AQ4HZOIFGSDOFBIGJSHBLZA/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:5T5AQ4HZOIFGSDOFBIGJSHBLZA","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":"65eeb1f3a718191471442ef456c50eb794ce99593eec8270f797273282a4a98c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2022-04-01T15:07:49Z","title_canon_sha256":"96b0c01d17bb6a456f5336f761ea54130791d02d978dd908016def315b5ce1af"},"schema_version":"1.0","source":{"id":"2204.00510","kind":"arxiv","version":4}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2204.00510","created_at":"2026-07-05T05:14:12Z"},{"alias_kind":"arxiv_version","alias_value":"2204.00510v4","created_at":"2026-07-05T05:14:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2204.00510","created_at":"2026-07-05T05:14:12Z"},{"alias_kind":"pith_short_12","alias_value":"5T5AQ4HZOIFG","created_at":"2026-07-05T05:14:12Z"},{"alias_kind":"pith_short_16","alias_value":"5T5AQ4HZOIFGSDOF","created_at":"2026-07-05T05:14:12Z"},{"alias_kind":"pith_short_8","alias_value":"5T5AQ4HZ","created_at":"2026-07-05T05:14:12Z"}],"graph_snapshots":[{"event_id":"sha256:ef692f2fe552a8d385ad584f307265062d7a330e5b0d15c002986d0edd3576a8","target":"graph","created_at":"2026-07-05T05:14:12Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2204.00510/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present theoretical mass estimates of $^{26}$Al and $^{60}$Fe throughout the Galaxy, performed with a numerical chemical evolution model including detailed nucleosynthesis prescriptions for stable and radioactive nuclides. We compared the results for several sets of stellar yields taken from the literature, for massive, low and intermediate mass stars, nova systems (only for $^{26}$Al) and supernovae Type Ia.We then computed the total masses of $^{26}$Al and $^{60}$Fe in the Galaxy. We studied the bulge and the disc of the Galaxy in a galactocentric radius range 0-22 kpc. We assumed that th","authors_text":"A. Vasini, E. Spitoni, F. Matteucci","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2022-04-01T15:07:49Z","title":"Chemical evolution of $^{26}$Al and $^{60}$Fe in the Milky Way"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2204.00510","kind":"arxiv","version":4},"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":"sha256:62d73ba42ebf105a01c655e7e9c41222dedb177d3177c5b8d3a354a44c6b1142","target":"record","created_at":"2026-07-05T05:14:12Z","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":"65eeb1f3a718191471442ef456c50eb794ce99593eec8270f797273282a4a98c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2022-04-01T15:07:49Z","title_canon_sha256":"96b0c01d17bb6a456f5336f761ea54130791d02d978dd908016def315b5ce1af"},"schema_version":"1.0","source":{"id":"2204.00510","kind":"arxiv","version":4}},"canonical_sha256":"ecfa0870f9720a690dc50a0c991c2bc8232b09a5f7ab4741caeca49c7b4622a7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ecfa0870f9720a690dc50a0c991c2bc8232b09a5f7ab4741caeca49c7b4622a7","first_computed_at":"2026-07-05T05:14:12.900253Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T05:14:12.900253Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"a6Y+jrgtxme1bxS9E+3uNED1WVU5Q8AApto/MVNJUIFw5DBCfO0EfaUpDUOrOChYK1aQjyh7ZYNG5yb6WuKKCA==","signature_status":"signed_v1","signed_at":"2026-07-05T05:14:12.900695Z","signed_message":"canonical_sha256_bytes"},"source_id":"2204.00510","source_kind":"arxiv","source_version":4}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:62d73ba42ebf105a01c655e7e9c41222dedb177d3177c5b8d3a354a44c6b1142","sha256:ef692f2fe552a8d385ad584f307265062d7a330e5b0d15c002986d0edd3576a8"],"state_sha256":"90c277db26ecc68e1f1c90f10ab315be1a3b3ef712bd361c223bd50551237de5"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1n3JNQFytGeB1YPbD8BbJukMkyL1S/wAyEebSls3dOaF5EuTrcBc4tHLZHYhfSbvaXV4B3PRQC1OliILjBR9Cg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-06T06:52:25.765785Z","bundle_sha256":"97e7ce04a59e279f7edb10a83a82ab525d7009b46a0745332c4cb49b44520e9d"}}