{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:OTT2TR2AJXTHSFMK2XMW5TKQ7V","short_pith_number":"pith:OTT2TR2A","canonical_record":{"source":{"id":"1004.5156","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-04-28T22:14:55Z","cross_cats_sorted":[],"title_canon_sha256":"3ee52991122764e268fb8ea88dd85d8c4ade0f16c2993a123e3cd979b4a3346e","abstract_canon_sha256":"b00b37d5b7dd929fbbb4bed238eaf606145bed2f03149f20a7ba25222f03ca1d"},"schema_version":"1.0"},"canonical_sha256":"74e7a9c7404de679158ad5d96ecd50fd5fa6b34cb08c62a2154c07a0d9242d84","source":{"kind":"arxiv","id":"1004.5156","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1004.5156","created_at":"2026-05-18T02:07:45Z"},{"alias_kind":"arxiv_version","alias_value":"1004.5156v1","created_at":"2026-05-18T02:07:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1004.5156","created_at":"2026-05-18T02:07:45Z"},{"alias_kind":"pith_short_12","alias_value":"OTT2TR2AJXTH","created_at":"2026-05-18T12:26:12Z"},{"alias_kind":"pith_short_16","alias_value":"OTT2TR2AJXTHSFMK","created_at":"2026-05-18T12:26:12Z"},{"alias_kind":"pith_short_8","alias_value":"OTT2TR2A","created_at":"2026-05-18T12:26:12Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:OTT2TR2AJXTHSFMK2XMW5TKQ7V","target":"record","payload":{"canonical_record":{"source":{"id":"1004.5156","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-04-28T22:14:55Z","cross_cats_sorted":[],"title_canon_sha256":"3ee52991122764e268fb8ea88dd85d8c4ade0f16c2993a123e3cd979b4a3346e","abstract_canon_sha256":"b00b37d5b7dd929fbbb4bed238eaf606145bed2f03149f20a7ba25222f03ca1d"},"schema_version":"1.0"},"canonical_sha256":"74e7a9c7404de679158ad5d96ecd50fd5fa6b34cb08c62a2154c07a0d9242d84","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:07:45.371857Z","signature_b64":"a5YHb4lzCyRyml5cFY9jCtEHtvUgIq6lLWRtRhlCS7AuTrzegJUUj1btU9rijDCzuITuVZy8LpQSAgVZWJJOCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"74e7a9c7404de679158ad5d96ecd50fd5fa6b34cb08c62a2154c07a0d9242d84","last_reissued_at":"2026-05-18T02:07:45.371237Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:07:45.371237Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1004.5156","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":"2026-05-18T02:07:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cqcml0i0Nj+ZJf+osKXhbRbNb3GQHs7Ag3UVCzudBk3kGB/MdBDeeeHsELTfMWbwVYyba6JaoEtWJxtcMEVcCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T11:00:52.614150Z"},"content_sha256":"acc01325584ca77f1690e968be93039444c45e9555f3e21fedd721f1aef27d7b","schema_version":"1.0","event_id":"sha256:acc01325584ca77f1690e968be93039444c45e9555f3e21fedd721f1aef27d7b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:OTT2TR2AJXTHSFMK2XMW5TKQ7V","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"An In-Depth Spectroscopic Analysis of the Blazhko Star RR Lyr. I. Characterisation of the star: abundance analysis and fundamental parameters","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Denis Shulyak, Holger Pikall, Katrien Kolenberg, Luca Fossati, Oleg Kochukhov, Thomas G. Barnes, Vadim Tsymbal","submitted_at":"2010-04-28T22:14:55Z","abstract_excerpt":"The knowledge of accurate stellar parameters is a keystone in several fields of stellar astrophysics, such as asteroseismology and stellar evolution. Although the fundamental parameters can be derived both from spectroscopy and multicolour photometry, the results obtained are sometimes affected by systematic uncertainties. In this paper, we present a self-consistent spectral analysis of the pulsating star RR Lyr, which is the primary target for our study of the Blazhko effect. We used high-resolution and high signal-to-noise ratio spectra to carry out a consistent parameter determination and a"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1004.5156","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":"2026-05-18T02:07:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WMIaJCGBwZwJoIJ3XC9f7GjGXOkqzFJpfSjYQwfp1A3cm4mnyaQ3ps+sqafkZ49KbTEyr/neuxmZ0CIUBZikBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T11:00:52.614841Z"},"content_sha256":"3baa132ddf43de719ba36af37989b37c7d3d964478daf62c22c1b447d180340d","schema_version":"1.0","event_id":"sha256:3baa132ddf43de719ba36af37989b37c7d3d964478daf62c22c1b447d180340d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/OTT2TR2AJXTHSFMK2XMW5TKQ7V/bundle.json","state_url":"https://pith.science/pith/OTT2TR2AJXTHSFMK2XMW5TKQ7V/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/OTT2TR2AJXTHSFMK2XMW5TKQ7V/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":"2026-05-27T11:00:52Z","links":{"resolver":"https://pith.science/pith/OTT2TR2AJXTHSFMK2XMW5TKQ7V","bundle":"https://pith.science/pith/OTT2TR2AJXTHSFMK2XMW5TKQ7V/bundle.json","state":"https://pith.science/pith/OTT2TR2AJXTHSFMK2XMW5TKQ7V/state.json","well_known_bundle":"https://pith.science/.well-known/pith/OTT2TR2AJXTHSFMK2XMW5TKQ7V/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:OTT2TR2AJXTHSFMK2XMW5TKQ7V","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":"b00b37d5b7dd929fbbb4bed238eaf606145bed2f03149f20a7ba25222f03ca1d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-04-28T22:14:55Z","title_canon_sha256":"3ee52991122764e268fb8ea88dd85d8c4ade0f16c2993a123e3cd979b4a3346e"},"schema_version":"1.0","source":{"id":"1004.5156","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1004.5156","created_at":"2026-05-18T02:07:45Z"},{"alias_kind":"arxiv_version","alias_value":"1004.5156v1","created_at":"2026-05-18T02:07:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1004.5156","created_at":"2026-05-18T02:07:45Z"},{"alias_kind":"pith_short_12","alias_value":"OTT2TR2AJXTH","created_at":"2026-05-18T12:26:12Z"},{"alias_kind":"pith_short_16","alias_value":"OTT2TR2AJXTHSFMK","created_at":"2026-05-18T12:26:12Z"},{"alias_kind":"pith_short_8","alias_value":"OTT2TR2A","created_at":"2026-05-18T12:26:12Z"}],"graph_snapshots":[{"event_id":"sha256:3baa132ddf43de719ba36af37989b37c7d3d964478daf62c22c1b447d180340d","target":"graph","created_at":"2026-05-18T02:07:45Z","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":"The knowledge of accurate stellar parameters is a keystone in several fields of stellar astrophysics, such as asteroseismology and stellar evolution. Although the fundamental parameters can be derived both from spectroscopy and multicolour photometry, the results obtained are sometimes affected by systematic uncertainties. In this paper, we present a self-consistent spectral analysis of the pulsating star RR Lyr, which is the primary target for our study of the Blazhko effect. We used high-resolution and high signal-to-noise ratio spectra to carry out a consistent parameter determination and a","authors_text":"Denis Shulyak, Holger Pikall, Katrien Kolenberg, Luca Fossati, Oleg Kochukhov, Thomas G. Barnes, Vadim Tsymbal","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-04-28T22:14:55Z","title":"An In-Depth Spectroscopic Analysis of the Blazhko Star RR Lyr. I. Characterisation of the star: abundance analysis and fundamental parameters"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1004.5156","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:acc01325584ca77f1690e968be93039444c45e9555f3e21fedd721f1aef27d7b","target":"record","created_at":"2026-05-18T02:07:45Z","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":"b00b37d5b7dd929fbbb4bed238eaf606145bed2f03149f20a7ba25222f03ca1d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-04-28T22:14:55Z","title_canon_sha256":"3ee52991122764e268fb8ea88dd85d8c4ade0f16c2993a123e3cd979b4a3346e"},"schema_version":"1.0","source":{"id":"1004.5156","kind":"arxiv","version":1}},"canonical_sha256":"74e7a9c7404de679158ad5d96ecd50fd5fa6b34cb08c62a2154c07a0d9242d84","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"74e7a9c7404de679158ad5d96ecd50fd5fa6b34cb08c62a2154c07a0d9242d84","first_computed_at":"2026-05-18T02:07:45.371237Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:07:45.371237Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"a5YHb4lzCyRyml5cFY9jCtEHtvUgIq6lLWRtRhlCS7AuTrzegJUUj1btU9rijDCzuITuVZy8LpQSAgVZWJJOCg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:07:45.371857Z","signed_message":"canonical_sha256_bytes"},"source_id":"1004.5156","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:acc01325584ca77f1690e968be93039444c45e9555f3e21fedd721f1aef27d7b","sha256:3baa132ddf43de719ba36af37989b37c7d3d964478daf62c22c1b447d180340d"],"state_sha256":"64cafbaa998c5991cf701d90e6df5a48c786d54eb5666e46ec0fdd607c0368b3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dIUArcoZGOa0Ph4G13nFRM42owUGed3Ptd+sDhhjUxlPffg+Visss5paMlt1qqXXaWZS4h7Zvg4eCRjaLy/CDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T11:00:52.618590Z","bundle_sha256":"c4b8319aac4b2cc35cf66363bfd286061bbbf92cd1fb5848ac7a53ea7e9a932b"}}