{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:DPNDECARYGCPNRLKAKQ3JF4JNX","short_pith_number":"pith:DPNDECAR","canonical_record":{"source":{"id":"1207.2455","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2012-07-10T19:55:57Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"82672d9e57a3af2c3d2fdc7ae5c58115816c3196236826c49afaf75ad7778193","abstract_canon_sha256":"758b775a5a290ead9d32499fd25b482dc4f07c9c0e8405f46b6da3711f8cc0b8"},"schema_version":"1.0"},"canonical_sha256":"1bda320811c184f6c56a02a1b497896de7d2265280f0b1fd0c8fb1b2c6f6cc1b","source":{"kind":"arxiv","id":"1207.2455","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1207.2455","created_at":"2026-05-18T01:56:25Z"},{"alias_kind":"arxiv_version","alias_value":"1207.2455v1","created_at":"2026-05-18T01:56:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1207.2455","created_at":"2026-05-18T01:56:25Z"},{"alias_kind":"pith_short_12","alias_value":"DPNDECARYGCP","created_at":"2026-05-18T12:27:04Z"},{"alias_kind":"pith_short_16","alias_value":"DPNDECARYGCPNRLK","created_at":"2026-05-18T12:27:04Z"},{"alias_kind":"pith_short_8","alias_value":"DPNDECAR","created_at":"2026-05-18T12:27:04Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:DPNDECARYGCPNRLKAKQ3JF4JNX","target":"record","payload":{"canonical_record":{"source":{"id":"1207.2455","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2012-07-10T19:55:57Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"82672d9e57a3af2c3d2fdc7ae5c58115816c3196236826c49afaf75ad7778193","abstract_canon_sha256":"758b775a5a290ead9d32499fd25b482dc4f07c9c0e8405f46b6da3711f8cc0b8"},"schema_version":"1.0"},"canonical_sha256":"1bda320811c184f6c56a02a1b497896de7d2265280f0b1fd0c8fb1b2c6f6cc1b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:56:25.696596Z","signature_b64":"EDJNC7iN5vb/wy11LzdRj1myB/KOZ11DEgWY8yBxSu7sJAmdr9vWQBKyUxYFJo30ab5zH8MFaJna7IB3Vj7CDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1bda320811c184f6c56a02a1b497896de7d2265280f0b1fd0c8fb1b2c6f6cc1b","last_reissued_at":"2026-05-18T01:56:25.695979Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:56:25.695979Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1207.2455","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":"2026-05-18T01:56:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"03aVia7PYChtWRoUawd7Tg8f4gqeYK+c4lY8h8bk1JD04V58kZ/ThnVGNrr+PZgk8DtsAb5gbJPp4+LwTLJdDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T18:27:08.069534Z"},"content_sha256":"64fed6f00a2a944ab0a782004bc6e5c5c52d2de6250709894ef81dbc1c99e6fc","schema_version":"1.0","event_id":"sha256:64fed6f00a2a944ab0a782004bc6e5c5c52d2de6250709894ef81dbc1c99e6fc"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:DPNDECARYGCPNRLKAKQ3JF4JNX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"NLTE line formation of Fe for late-type stars. I. Standard stars with 1D and <3D> model atmospheres","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.SR","authors_text":"Karin Lind, Maria Bergemann, Martin Asplund, Remo Collet, Zazralt Magic","submitted_at":"2012-07-10T19:55:57Z","abstract_excerpt":"We investigate departures from LTE in the line formation of Fe for a number of well-studied late-type stars in different evolutionary stages. A new model of Fe atom was constructed from the most up-to-date theoretical and experimental atomic data available so far. Non-local thermodynamic equilibrium (NLTE) line formation calculations for Fe were performed using 1D hydrostatic MARCS and MAFAGS-OS model atmospheres, as well as the spatial and temporal average stratifications from full 3D hydrodynamical simulations of stellar convection computed using the Stagger code. It is shown that the Fe I/F"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1207.2455","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":"2026-05-18T01:56:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TYrXqHa+jxFKKOjVSHsg5p96SzKq9HxljePwmqD0ZCj6iQZeelJsQaBQTzh+6eqjvbrGylFV0Le+/eHEYj7vBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T18:27:08.069921Z"},"content_sha256":"c5b6be51ff5df63dde4516283727ce857b9a5b7688ec39c5407b550c7c3e97f8","schema_version":"1.0","event_id":"sha256:c5b6be51ff5df63dde4516283727ce857b9a5b7688ec39c5407b550c7c3e97f8"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DPNDECARYGCPNRLKAKQ3JF4JNX/bundle.json","state_url":"https://pith.science/pith/DPNDECARYGCPNRLKAKQ3JF4JNX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DPNDECARYGCPNRLKAKQ3JF4JNX/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":"2026-05-27T18:27:08Z","links":{"resolver":"https://pith.science/pith/DPNDECARYGCPNRLKAKQ3JF4JNX","bundle":"https://pith.science/pith/DPNDECARYGCPNRLKAKQ3JF4JNX/bundle.json","state":"https://pith.science/pith/DPNDECARYGCPNRLKAKQ3JF4JNX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DPNDECARYGCPNRLKAKQ3JF4JNX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:DPNDECARYGCPNRLKAKQ3JF4JNX","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":"758b775a5a290ead9d32499fd25b482dc4f07c9c0e8405f46b6da3711f8cc0b8","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2012-07-10T19:55:57Z","title_canon_sha256":"82672d9e57a3af2c3d2fdc7ae5c58115816c3196236826c49afaf75ad7778193"},"schema_version":"1.0","source":{"id":"1207.2455","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1207.2455","created_at":"2026-05-18T01:56:25Z"},{"alias_kind":"arxiv_version","alias_value":"1207.2455v1","created_at":"2026-05-18T01:56:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1207.2455","created_at":"2026-05-18T01:56:25Z"},{"alias_kind":"pith_short_12","alias_value":"DPNDECARYGCP","created_at":"2026-05-18T12:27:04Z"},{"alias_kind":"pith_short_16","alias_value":"DPNDECARYGCPNRLK","created_at":"2026-05-18T12:27:04Z"},{"alias_kind":"pith_short_8","alias_value":"DPNDECAR","created_at":"2026-05-18T12:27:04Z"}],"graph_snapshots":[{"event_id":"sha256:c5b6be51ff5df63dde4516283727ce857b9a5b7688ec39c5407b550c7c3e97f8","target":"graph","created_at":"2026-05-18T01:56:25Z","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 investigate departures from LTE in the line formation of Fe for a number of well-studied late-type stars in different evolutionary stages. A new model of Fe atom was constructed from the most up-to-date theoretical and experimental atomic data available so far. Non-local thermodynamic equilibrium (NLTE) line formation calculations for Fe were performed using 1D hydrostatic MARCS and MAFAGS-OS model atmospheres, as well as the spatial and temporal average stratifications from full 3D hydrodynamical simulations of stellar convection computed using the Stagger code. It is shown that the Fe I/F","authors_text":"Karin Lind, Maria Bergemann, Martin Asplund, Remo Collet, Zazralt Magic","cross_cats":["astro-ph.GA"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2012-07-10T19:55:57Z","title":"NLTE line formation of Fe for late-type stars. I. Standard stars with 1D and <3D> model atmospheres"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1207.2455","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":"sha256:64fed6f00a2a944ab0a782004bc6e5c5c52d2de6250709894ef81dbc1c99e6fc","target":"record","created_at":"2026-05-18T01:56:25Z","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":"758b775a5a290ead9d32499fd25b482dc4f07c9c0e8405f46b6da3711f8cc0b8","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2012-07-10T19:55:57Z","title_canon_sha256":"82672d9e57a3af2c3d2fdc7ae5c58115816c3196236826c49afaf75ad7778193"},"schema_version":"1.0","source":{"id":"1207.2455","kind":"arxiv","version":1}},"canonical_sha256":"1bda320811c184f6c56a02a1b497896de7d2265280f0b1fd0c8fb1b2c6f6cc1b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1bda320811c184f6c56a02a1b497896de7d2265280f0b1fd0c8fb1b2c6f6cc1b","first_computed_at":"2026-05-18T01:56:25.695979Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:56:25.695979Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"EDJNC7iN5vb/wy11LzdRj1myB/KOZ11DEgWY8yBxSu7sJAmdr9vWQBKyUxYFJo30ab5zH8MFaJna7IB3Vj7CDg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:56:25.696596Z","signed_message":"canonical_sha256_bytes"},"source_id":"1207.2455","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:64fed6f00a2a944ab0a782004bc6e5c5c52d2de6250709894ef81dbc1c99e6fc","sha256:c5b6be51ff5df63dde4516283727ce857b9a5b7688ec39c5407b550c7c3e97f8"],"state_sha256":"c920d8d9e31a62147f3f0db953ceb3c1a345cbe82041e6e507711a0b9e57ef3a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yUpGXTzpESiALG4+jkoHpyGJaXMiTnkwqAcDLaBgJGA2x0Crr2O0k1mo4C3EXYV95RL+h34btQ3jE4aTdC9SBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T18:27:08.072444Z","bundle_sha256":"90f5fd509401c17012dc5c14a2a3e4f7a8f1c3bbf4c9a9a2ea7fc7218b15f07f"}}