{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:SEVVXYHMCZRBLPCS7G5GGT5LM2","short_pith_number":"pith:SEVVXYHM","canonical_record":{"source":{"id":"2210.01715","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2022-10-04T16:15:39Z","cross_cats_sorted":[],"title_canon_sha256":"514cb56eab120fa46acc32840cd79746c8fdcbf9e13d37416d702068fd6ba925","abstract_canon_sha256":"92f5bf4897fc50280dc6523517025a98a52ba8e7da2240c84d52596747ffbf03"},"schema_version":"1.0"},"canonical_sha256":"912b5be0ec166215bc52f9ba634fab66963b86bab57e3b65e9e66636e1b79415","source":{"kind":"arxiv","id":"2210.01715","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2210.01715","created_at":"2026-07-05T05:20:51Z"},{"alias_kind":"arxiv_version","alias_value":"2210.01715v1","created_at":"2026-07-05T05:20:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2210.01715","created_at":"2026-07-05T05:20:51Z"},{"alias_kind":"pith_short_12","alias_value":"SEVVXYHMCZRB","created_at":"2026-07-05T05:20:51Z"},{"alias_kind":"pith_short_16","alias_value":"SEVVXYHMCZRBLPCS","created_at":"2026-07-05T05:20:51Z"},{"alias_kind":"pith_short_8","alias_value":"SEVVXYHM","created_at":"2026-07-05T05:20:51Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:SEVVXYHMCZRBLPCS7G5GGT5LM2","target":"record","payload":{"canonical_record":{"source":{"id":"2210.01715","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2022-10-04T16:15:39Z","cross_cats_sorted":[],"title_canon_sha256":"514cb56eab120fa46acc32840cd79746c8fdcbf9e13d37416d702068fd6ba925","abstract_canon_sha256":"92f5bf4897fc50280dc6523517025a98a52ba8e7da2240c84d52596747ffbf03"},"schema_version":"1.0"},"canonical_sha256":"912b5be0ec166215bc52f9ba634fab66963b86bab57e3b65e9e66636e1b79415","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T05:20:51.288667Z","signature_b64":"boAxw6+IYjI4per7+q/Ud37qXsDDTLK6wdsWn2ADbQaDY0Uc9IdB6PNWY7ZKhasb+3vGvhqF/lIjx/g3AurFAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"912b5be0ec166215bc52f9ba634fab66963b86bab57e3b65e9e66636e1b79415","last_reissued_at":"2026-07-05T05:20:51.288174Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T05:20:51.288174Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2210.01715","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":"2026-07-05T05:20:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dmACVzUTlwGkqrdL2sh1L4zIWUWrK3glB/0T3mlcEwCvutYFs/R1jWtbMmrisq8jLyOtBCdmcd4C7FGUh+hCBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-24T05:36:55.757625Z"},"content_sha256":"19dcf35d40398f7435b4dc72b06ec4d5768905e84e1b13ce5d52fdf762a1ba40","schema_version":"1.0","event_id":"sha256:19dcf35d40398f7435b4dc72b06ec4d5768905e84e1b13ce5d52fdf762a1ba40"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:SEVVXYHMCZRBLPCS7G5GGT5LM2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Modelling of the scandium abundance evolution in AmFm stars","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"A. Hui-Bon-Hoa, F. LeBlanc, G. Alecian","submitted_at":"2022-10-04T16:15:39Z","abstract_excerpt":"Scandium is a key element of the Am star phenomenon since its surface under-abundance is one of the criteria that characterise such stars. Thanks to the availability of a sufficiently complete set of theoretical atomic data for this element, reliable radiative accelerations for Sc can now be computed, which allows its behaviour under the action of atomic diffusion to be modelled. We explore the required conditions, in terms of mixing processes or mass loss, for our models to reproduce the observed surface abundances of Sc in Am stars. The models are computed with the Toulouse-Geneva evolution "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2210.01715","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2210.01715/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":"2026-07-05T05:20:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/tRzLEwvXLt5HyoM3UmGCntD8fw7UYs4LZ854TlvzTJpyGRymLI+9VJIZeFsabg21zwOKbIprS6bSPOhlJj+BQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-24T05:36:55.758006Z"},"content_sha256":"265481bdeddac91bffd57265c23e0b749071e1f37f614c81ede26f1ed98dd980","schema_version":"1.0","event_id":"sha256:265481bdeddac91bffd57265c23e0b749071e1f37f614c81ede26f1ed98dd980"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/SEVVXYHMCZRBLPCS7G5GGT5LM2/bundle.json","state_url":"https://pith.science/pith/SEVVXYHMCZRBLPCS7G5GGT5LM2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/SEVVXYHMCZRBLPCS7G5GGT5LM2/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":"2026-07-24T05:36:55Z","links":{"resolver":"https://pith.science/pith/SEVVXYHMCZRBLPCS7G5GGT5LM2","bundle":"https://pith.science/pith/SEVVXYHMCZRBLPCS7G5GGT5LM2/bundle.json","state":"https://pith.science/pith/SEVVXYHMCZRBLPCS7G5GGT5LM2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/SEVVXYHMCZRBLPCS7G5GGT5LM2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:SEVVXYHMCZRBLPCS7G5GGT5LM2","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":"92f5bf4897fc50280dc6523517025a98a52ba8e7da2240c84d52596747ffbf03","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2022-10-04T16:15:39Z","title_canon_sha256":"514cb56eab120fa46acc32840cd79746c8fdcbf9e13d37416d702068fd6ba925"},"schema_version":"1.0","source":{"id":"2210.01715","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2210.01715","created_at":"2026-07-05T05:20:51Z"},{"alias_kind":"arxiv_version","alias_value":"2210.01715v1","created_at":"2026-07-05T05:20:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2210.01715","created_at":"2026-07-05T05:20:51Z"},{"alias_kind":"pith_short_12","alias_value":"SEVVXYHMCZRB","created_at":"2026-07-05T05:20:51Z"},{"alias_kind":"pith_short_16","alias_value":"SEVVXYHMCZRBLPCS","created_at":"2026-07-05T05:20:51Z"},{"alias_kind":"pith_short_8","alias_value":"SEVVXYHM","created_at":"2026-07-05T05:20:51Z"}],"graph_snapshots":[{"event_id":"sha256:265481bdeddac91bffd57265c23e0b749071e1f37f614c81ede26f1ed98dd980","target":"graph","created_at":"2026-07-05T05:20:51Z","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/2210.01715/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Scandium is a key element of the Am star phenomenon since its surface under-abundance is one of the criteria that characterise such stars. Thanks to the availability of a sufficiently complete set of theoretical atomic data for this element, reliable radiative accelerations for Sc can now be computed, which allows its behaviour under the action of atomic diffusion to be modelled. We explore the required conditions, in terms of mixing processes or mass loss, for our models to reproduce the observed surface abundances of Sc in Am stars. The models are computed with the Toulouse-Geneva evolution ","authors_text":"A. Hui-Bon-Hoa, F. LeBlanc, G. Alecian","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2022-10-04T16:15:39Z","title":"Modelling of the scandium abundance evolution in AmFm stars"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2210.01715","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":"sha256:19dcf35d40398f7435b4dc72b06ec4d5768905e84e1b13ce5d52fdf762a1ba40","target":"record","created_at":"2026-07-05T05:20:51Z","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":"92f5bf4897fc50280dc6523517025a98a52ba8e7da2240c84d52596747ffbf03","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2022-10-04T16:15:39Z","title_canon_sha256":"514cb56eab120fa46acc32840cd79746c8fdcbf9e13d37416d702068fd6ba925"},"schema_version":"1.0","source":{"id":"2210.01715","kind":"arxiv","version":1}},"canonical_sha256":"912b5be0ec166215bc52f9ba634fab66963b86bab57e3b65e9e66636e1b79415","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"912b5be0ec166215bc52f9ba634fab66963b86bab57e3b65e9e66636e1b79415","first_computed_at":"2026-07-05T05:20:51.288174Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T05:20:51.288174Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"boAxw6+IYjI4per7+q/Ud37qXsDDTLK6wdsWn2ADbQaDY0Uc9IdB6PNWY7ZKhasb+3vGvhqF/lIjx/g3AurFAQ==","signature_status":"signed_v1","signed_at":"2026-07-05T05:20:51.288667Z","signed_message":"canonical_sha256_bytes"},"source_id":"2210.01715","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:19dcf35d40398f7435b4dc72b06ec4d5768905e84e1b13ce5d52fdf762a1ba40","sha256:265481bdeddac91bffd57265c23e0b749071e1f37f614c81ede26f1ed98dd980"],"state_sha256":"5132cef61142ec3e4506fd0d24f3944fa721deece1d138cfac2d92d75238e7fd"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NzVR2LYHYEN7URgdwTMEVvijMhsoe2Av7ndJ6nWamKcNV/fe5/SBDBmTW2hX/IhEeeU8qndG2l1a7yORQkdaCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-24T05:36:55.760485Z","bundle_sha256":"b31d0c25bbf4660b0de8bd31c343dd4554aaedd0d3edbdd012fd8100f5e8b18a"}}