{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2003:ZIV2DBDQZTXYJIJX3GAEJY3J4H","short_pith_number":"pith:ZIV2DBDQ","canonical_record":{"source":{"id":"astro-ph/0306337","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2003-06-17T13:52:28Z","cross_cats_sorted":[],"title_canon_sha256":"b9813902fe5ba1cdbfae00a452e4b40bcae60b2db7a0801ecdd10ec2cfb17837","abstract_canon_sha256":"3ab9a5dd5b29b9d11bd2810572cc62b75b7a61dee84c0622b572efc714044ce1"},"schema_version":"1.0"},"canonical_sha256":"ca2ba18470ccef84a137d98044e369e1c4575300c8fe6e52a370b21c0881e04a","source":{"kind":"arxiv","id":"astro-ph/0306337","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0306337","created_at":"2026-07-04T15:20:11Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0306337v1","created_at":"2026-07-04T15:20:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0306337","created_at":"2026-07-04T15:20:11Z"},{"alias_kind":"pith_short_12","alias_value":"ZIV2DBDQZTXY","created_at":"2026-07-04T15:20:11Z"},{"alias_kind":"pith_short_16","alias_value":"ZIV2DBDQZTXYJIJX","created_at":"2026-07-04T15:20:11Z"},{"alias_kind":"pith_short_8","alias_value":"ZIV2DBDQ","created_at":"2026-07-04T15:20:11Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2003:ZIV2DBDQZTXYJIJX3GAEJY3J4H","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0306337","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2003-06-17T13:52:28Z","cross_cats_sorted":[],"title_canon_sha256":"b9813902fe5ba1cdbfae00a452e4b40bcae60b2db7a0801ecdd10ec2cfb17837","abstract_canon_sha256":"3ab9a5dd5b29b9d11bd2810572cc62b75b7a61dee84c0622b572efc714044ce1"},"schema_version":"1.0"},"canonical_sha256":"ca2ba18470ccef84a137d98044e369e1c4575300c8fe6e52a370b21c0881e04a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T15:20:11.410654Z","signature_b64":"GYvgrVDMDsN1hfNCRR5Bcvjw6PnAT/z5dKQLT59AeT9El+dpHjZtuXcIoX+7roDCtDZ00TjEqhud5zcqDaDxBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ca2ba18470ccef84a137d98044e369e1c4575300c8fe6e52a370b21c0881e04a","last_reissued_at":"2026-07-04T15:20:11.410228Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T15:20:11.410228Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0306337","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":"2026-07-04T15:20:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YVR4bD20SAH1Vd3mslJqjc8zK5UaULgn6+v6nUvF9F1qtBuEftkGRI4tz3T1zQX/zvxZwKJvMy/A7o7/7oeCAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T18:10:55.443644Z"},"content_sha256":"bf9ea2263cb19a99443ab6a8d9623df805771c3fc726f6a95daf04fb359339cb","schema_version":"1.0","event_id":"sha256:bf9ea2263cb19a99443ab6a8d9623df805771c3fc726f6a95daf04fb359339cb"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2003:ZIV2DBDQZTXYJIJX3GAEJY3J4H","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Kinetic equilibrium of iron in the atmospheres of cool stars III. The ionization equilibrium of selected reference stars","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"A.J. Korn (Uni-Sternwarte Munich, Beijing, China), Germany), J. Shi (National Observatories, T. Gehren (Uni-Sternwarte Munich)","submitted_at":"2003-06-17T13:52:28Z","abstract_excerpt":"Non-LTE line formation calculations of Fe I are performed for a small number of reference stars to investigate and quantify the efficiency of neutral hydrogen collisions. Using the atomic model that was described in previous publications, the final discrimination with respect to hydrogen collisions is based on the condition that the surface gravities as determined by the Fe I/Fe II ionization equilibria are in agreement with their astrometric counterparts obtained from HIPPARCOS parallaxes. Depending on the choice of the hydrogen collision scaling factor S_H, we find deviations from LTE in Fe "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0306337","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/astro-ph/0306337/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":"2026-07-04T15:20:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lfd+O/GdyEBKkgXlgF1hogvBpZVGn1I1+q1v+rBZauD5l1C86wciDqGpit+lXETMswV9tWgUSQxDVw41LqAkBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T18:10:55.444155Z"},"content_sha256":"724755df08582ee990e91819aa2fa367e3e8581e16d0aed4720e019e858041da","schema_version":"1.0","event_id":"sha256:724755df08582ee990e91819aa2fa367e3e8581e16d0aed4720e019e858041da"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ZIV2DBDQZTXYJIJX3GAEJY3J4H/bundle.json","state_url":"https://pith.science/pith/ZIV2DBDQZTXYJIJX3GAEJY3J4H/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ZIV2DBDQZTXYJIJX3GAEJY3J4H/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":"2026-08-03T18:10:55Z","links":{"resolver":"https://pith.science/pith/ZIV2DBDQZTXYJIJX3GAEJY3J4H","bundle":"https://pith.science/pith/ZIV2DBDQZTXYJIJX3GAEJY3J4H/bundle.json","state":"https://pith.science/pith/ZIV2DBDQZTXYJIJX3GAEJY3J4H/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ZIV2DBDQZTXYJIJX3GAEJY3J4H/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2003:ZIV2DBDQZTXYJIJX3GAEJY3J4H","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":"3ab9a5dd5b29b9d11bd2810572cc62b75b7a61dee84c0622b572efc714044ce1","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2003-06-17T13:52:28Z","title_canon_sha256":"b9813902fe5ba1cdbfae00a452e4b40bcae60b2db7a0801ecdd10ec2cfb17837"},"schema_version":"1.0","source":{"id":"astro-ph/0306337","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0306337","created_at":"2026-07-04T15:20:11Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0306337v1","created_at":"2026-07-04T15:20:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0306337","created_at":"2026-07-04T15:20:11Z"},{"alias_kind":"pith_short_12","alias_value":"ZIV2DBDQZTXY","created_at":"2026-07-04T15:20:11Z"},{"alias_kind":"pith_short_16","alias_value":"ZIV2DBDQZTXYJIJX","created_at":"2026-07-04T15:20:11Z"},{"alias_kind":"pith_short_8","alias_value":"ZIV2DBDQ","created_at":"2026-07-04T15:20:11Z"}],"graph_snapshots":[{"event_id":"sha256:724755df08582ee990e91819aa2fa367e3e8581e16d0aed4720e019e858041da","target":"graph","created_at":"2026-07-04T15:20:11Z","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/astro-ph/0306337/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Non-LTE line formation calculations of Fe I are performed for a small number of reference stars to investigate and quantify the efficiency of neutral hydrogen collisions. Using the atomic model that was described in previous publications, the final discrimination with respect to hydrogen collisions is based on the condition that the surface gravities as determined by the Fe I/Fe II ionization equilibria are in agreement with their astrometric counterparts obtained from HIPPARCOS parallaxes. Depending on the choice of the hydrogen collision scaling factor S_H, we find deviations from LTE in Fe ","authors_text":"A.J. Korn (Uni-Sternwarte Munich, Beijing, China), Germany), J. Shi (National Observatories, T. Gehren (Uni-Sternwarte Munich)","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2003-06-17T13:52:28Z","title":"Kinetic equilibrium of iron in the atmospheres of cool stars III. The ionization equilibrium of selected reference stars"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0306337","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:bf9ea2263cb19a99443ab6a8d9623df805771c3fc726f6a95daf04fb359339cb","target":"record","created_at":"2026-07-04T15:20:11Z","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":"3ab9a5dd5b29b9d11bd2810572cc62b75b7a61dee84c0622b572efc714044ce1","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2003-06-17T13:52:28Z","title_canon_sha256":"b9813902fe5ba1cdbfae00a452e4b40bcae60b2db7a0801ecdd10ec2cfb17837"},"schema_version":"1.0","source":{"id":"astro-ph/0306337","kind":"arxiv","version":1}},"canonical_sha256":"ca2ba18470ccef84a137d98044e369e1c4575300c8fe6e52a370b21c0881e04a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ca2ba18470ccef84a137d98044e369e1c4575300c8fe6e52a370b21c0881e04a","first_computed_at":"2026-07-04T15:20:11.410228Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T15:20:11.410228Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"GYvgrVDMDsN1hfNCRR5Bcvjw6PnAT/z5dKQLT59AeT9El+dpHjZtuXcIoX+7roDCtDZ00TjEqhud5zcqDaDxBA==","signature_status":"signed_v1","signed_at":"2026-07-04T15:20:11.410654Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0306337","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:bf9ea2263cb19a99443ab6a8d9623df805771c3fc726f6a95daf04fb359339cb","sha256:724755df08582ee990e91819aa2fa367e3e8581e16d0aed4720e019e858041da"],"state_sha256":"81f2e80629eeab3bb20c29f4b57c713e7852dadef7bc3c34a2dee3d4f50d46e2"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5l+HWgT7HvZZsVfuv3IFlWcjzub7WLz9OMFbvkGnX+VYkF7n8ohUm/292I2jJANpbFzekOVbgRE81UgQZCTsBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-03T18:10:55.448168Z","bundle_sha256":"1177921d4ee0dbbd20b4840063a2de81ed39716ce7159f95c74c5fa946e8cd0a"}}