{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:SBIS6BNI3FOHXEXULELJKBCFLL","short_pith_number":"pith:SBIS6BNI","canonical_record":{"source":{"id":"1306.1236","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-06-05T20:01:05Z","cross_cats_sorted":[],"title_canon_sha256":"27f0c40d0935589efe6dd7535eb59072842d4c97ec455d75c98fd859f27bfe69","abstract_canon_sha256":"e1e08e2bc0c23e60b0d56a840a193646a3cdf091e7014df8945c014b0e3590c5"},"schema_version":"1.0"},"canonical_sha256":"90512f05a8d95c7b92f459169504455adfea12fe33891f65af3938bd0e80eea3","source":{"kind":"arxiv","id":"1306.1236","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1306.1236","created_at":"2026-05-18T01:49:32Z"},{"alias_kind":"arxiv_version","alias_value":"1306.1236v1","created_at":"2026-05-18T01:49:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1306.1236","created_at":"2026-05-18T01:49:32Z"},{"alias_kind":"pith_short_12","alias_value":"SBIS6BNI3FOH","created_at":"2026-05-18T12:27:59Z"},{"alias_kind":"pith_short_16","alias_value":"SBIS6BNI3FOHXEXU","created_at":"2026-05-18T12:27:59Z"},{"alias_kind":"pith_short_8","alias_value":"SBIS6BNI","created_at":"2026-05-18T12:27:59Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:SBIS6BNI3FOHXEXULELJKBCFLL","target":"record","payload":{"canonical_record":{"source":{"id":"1306.1236","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-06-05T20:01:05Z","cross_cats_sorted":[],"title_canon_sha256":"27f0c40d0935589efe6dd7535eb59072842d4c97ec455d75c98fd859f27bfe69","abstract_canon_sha256":"e1e08e2bc0c23e60b0d56a840a193646a3cdf091e7014df8945c014b0e3590c5"},"schema_version":"1.0"},"canonical_sha256":"90512f05a8d95c7b92f459169504455adfea12fe33891f65af3938bd0e80eea3","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:49:32.266518Z","signature_b64":"ktzSusnaOgkEBOuYy8WWoSVd2bw85StHC9b84FVlrQJGccTq6rhIalgenX4KSnF16J2RWV79BLWh/2pDpCxRBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"90512f05a8d95c7b92f459169504455adfea12fe33891f65af3938bd0e80eea3","last_reissued_at":"2026-05-18T01:49:32.265950Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:49:32.265950Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1306.1236","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":"2026-05-18T01:49:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EysvCAsnPJrjqLTMDoFgZf+TCXDYy83eWu8aDxrd3W660IUKMo9UbjKd7CdNZeukBV7cIzmYn01kEM+06AQnAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T15:25:18.017582Z"},"content_sha256":"e15c7eb0463b05741e39ff07a1bb8e424fb619099c419f35392ada027305796a","schema_version":"1.0","event_id":"sha256:e15c7eb0463b05741e39ff07a1bb8e424fb619099c419f35392ada027305796a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:SBIS6BNI3FOHXEXULELJKBCFLL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Characterization of the Red Giant HR 2582 Using the CHARA Array","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Christopher D. Farrington, Ellyn K. Baines, Gerard T. van Belle, Harold A. McAlister, Judit Sturmann, Laszlo Sturmann, Nils H. Turner, Norm Vargas, Stephen T. Ridgway, Theo A. ten Brummelaar","submitted_at":"2013-06-05T20:01:05Z","abstract_excerpt":"We present the fundamental parameters of HR 2582, a high-mass red giant star whose evolutionary state is a mystery. We used the CHARA Array interferometer to directly measure the star's limb-darkened angular diameter (1.006+/-0.020 mas) and combined our measurement with parallax and photometry from the literature to calculate its physical radius (35.76+/-5.31 R_Sun), luminosity (517.8+/-17.5 L_Sun), bolometric flux (14.8+/-0.5 e-8 erg s-1 cm-2) and effective temperature (4577+/-60 K). We then determined the star's mass (5.6+/-1.7 M_Sun) using our new values with stellar oscillation results fro"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1306.1236","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":"2026-05-18T01:49:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ntfdZbSRnBMZl24p4v4CyNQ8KFqaxcIxNKmscssXsoa2eg1uS+MNPb+2Pl6/WKZL8OKMN72P7KmGYaTvX9I+DA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T15:25:18.017937Z"},"content_sha256":"1f5005c5aa6a638cbea743232af42907a82f6393811947a00c36ca0d055feed7","schema_version":"1.0","event_id":"sha256:1f5005c5aa6a638cbea743232af42907a82f6393811947a00c36ca0d055feed7"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/SBIS6BNI3FOHXEXULELJKBCFLL/bundle.json","state_url":"https://pith.science/pith/SBIS6BNI3FOHXEXULELJKBCFLL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/SBIS6BNI3FOHXEXULELJKBCFLL/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":"2026-05-30T15:25:18Z","links":{"resolver":"https://pith.science/pith/SBIS6BNI3FOHXEXULELJKBCFLL","bundle":"https://pith.science/pith/SBIS6BNI3FOHXEXULELJKBCFLL/bundle.json","state":"https://pith.science/pith/SBIS6BNI3FOHXEXULELJKBCFLL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/SBIS6BNI3FOHXEXULELJKBCFLL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:SBIS6BNI3FOHXEXULELJKBCFLL","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":"e1e08e2bc0c23e60b0d56a840a193646a3cdf091e7014df8945c014b0e3590c5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-06-05T20:01:05Z","title_canon_sha256":"27f0c40d0935589efe6dd7535eb59072842d4c97ec455d75c98fd859f27bfe69"},"schema_version":"1.0","source":{"id":"1306.1236","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1306.1236","created_at":"2026-05-18T01:49:32Z"},{"alias_kind":"arxiv_version","alias_value":"1306.1236v1","created_at":"2026-05-18T01:49:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1306.1236","created_at":"2026-05-18T01:49:32Z"},{"alias_kind":"pith_short_12","alias_value":"SBIS6BNI3FOH","created_at":"2026-05-18T12:27:59Z"},{"alias_kind":"pith_short_16","alias_value":"SBIS6BNI3FOHXEXU","created_at":"2026-05-18T12:27:59Z"},{"alias_kind":"pith_short_8","alias_value":"SBIS6BNI","created_at":"2026-05-18T12:27:59Z"}],"graph_snapshots":[{"event_id":"sha256:1f5005c5aa6a638cbea743232af42907a82f6393811947a00c36ca0d055feed7","target":"graph","created_at":"2026-05-18T01:49:32Z","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 present the fundamental parameters of HR 2582, a high-mass red giant star whose evolutionary state is a mystery. We used the CHARA Array interferometer to directly measure the star's limb-darkened angular diameter (1.006+/-0.020 mas) and combined our measurement with parallax and photometry from the literature to calculate its physical radius (35.76+/-5.31 R_Sun), luminosity (517.8+/-17.5 L_Sun), bolometric flux (14.8+/-0.5 e-8 erg s-1 cm-2) and effective temperature (4577+/-60 K). We then determined the star's mass (5.6+/-1.7 M_Sun) using our new values with stellar oscillation results fro","authors_text":"Christopher D. Farrington, Ellyn K. Baines, Gerard T. van Belle, Harold A. McAlister, Judit Sturmann, Laszlo Sturmann, Nils H. Turner, Norm Vargas, Stephen T. Ridgway, Theo A. ten Brummelaar","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-06-05T20:01:05Z","title":"Characterization of the Red Giant HR 2582 Using the CHARA Array"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1306.1236","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:e15c7eb0463b05741e39ff07a1bb8e424fb619099c419f35392ada027305796a","target":"record","created_at":"2026-05-18T01:49:32Z","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":"e1e08e2bc0c23e60b0d56a840a193646a3cdf091e7014df8945c014b0e3590c5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-06-05T20:01:05Z","title_canon_sha256":"27f0c40d0935589efe6dd7535eb59072842d4c97ec455d75c98fd859f27bfe69"},"schema_version":"1.0","source":{"id":"1306.1236","kind":"arxiv","version":1}},"canonical_sha256":"90512f05a8d95c7b92f459169504455adfea12fe33891f65af3938bd0e80eea3","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"90512f05a8d95c7b92f459169504455adfea12fe33891f65af3938bd0e80eea3","first_computed_at":"2026-05-18T01:49:32.265950Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:49:32.265950Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ktzSusnaOgkEBOuYy8WWoSVd2bw85StHC9b84FVlrQJGccTq6rhIalgenX4KSnF16J2RWV79BLWh/2pDpCxRBw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:49:32.266518Z","signed_message":"canonical_sha256_bytes"},"source_id":"1306.1236","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e15c7eb0463b05741e39ff07a1bb8e424fb619099c419f35392ada027305796a","sha256:1f5005c5aa6a638cbea743232af42907a82f6393811947a00c36ca0d055feed7"],"state_sha256":"eabaddf0f9063b825879102e0334c3fac5a1f2f562d3749def3fd5a2610c34a1"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kU0O6pbw6BcgVhZduBofUS/lXV172KO9u59trVon9ktyxLp1+7T06f2l37yFJJEW/vBbRZ+A4xAFOZO4gsz6CA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T15:25:18.020061Z","bundle_sha256":"4db779e6f0a892f824f8c3a4377e735732c00b99a60b39963cda3204cbbac709"}}