{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:QGZOCMM4XLKUU4ZDFT2WEO33MP","short_pith_number":"pith:QGZOCMM4","canonical_record":{"source":{"id":"1708.05025","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2017-08-16T18:22:51Z","cross_cats_sorted":[],"title_canon_sha256":"76a6a012e87c1710f6a31dce1f65f0c83618496214a369183a235675bf782b56","abstract_canon_sha256":"bb8f3e918ca98de188dff4ca420619609da7c0b195bbc7230c4183a73faf23fd"},"schema_version":"1.0"},"canonical_sha256":"81b2e1319cbad54a73232cf5623b7b63c4daf4402ddfad702c8833f3e15c947d","source":{"kind":"arxiv","id":"1708.05025","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1708.05025","created_at":"2026-05-18T00:28:14Z"},{"alias_kind":"arxiv_version","alias_value":"1708.05025v1","created_at":"2026-05-18T00:28:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1708.05025","created_at":"2026-05-18T00:28:14Z"},{"alias_kind":"pith_short_12","alias_value":"QGZOCMM4XLKU","created_at":"2026-05-18T12:31:37Z"},{"alias_kind":"pith_short_16","alias_value":"QGZOCMM4XLKUU4ZD","created_at":"2026-05-18T12:31:37Z"},{"alias_kind":"pith_short_8","alias_value":"QGZOCMM4","created_at":"2026-05-18T12:31:37Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:QGZOCMM4XLKUU4ZDFT2WEO33MP","target":"record","payload":{"canonical_record":{"source":{"id":"1708.05025","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2017-08-16T18:22:51Z","cross_cats_sorted":[],"title_canon_sha256":"76a6a012e87c1710f6a31dce1f65f0c83618496214a369183a235675bf782b56","abstract_canon_sha256":"bb8f3e918ca98de188dff4ca420619609da7c0b195bbc7230c4183a73faf23fd"},"schema_version":"1.0"},"canonical_sha256":"81b2e1319cbad54a73232cf5623b7b63c4daf4402ddfad702c8833f3e15c947d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:28:14.674782Z","signature_b64":"zDSNAy7FxeKi13KT6o880jTSJTu6idNrLZq6wm6lXYmuFbWrku7ebql6Pt5x02Rc++8uu3YpvhrSOe5QlGiNCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"81b2e1319cbad54a73232cf5623b7b63c4daf4402ddfad702c8833f3e15c947d","last_reissued_at":"2026-05-18T00:28:14.674129Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:28:14.674129Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1708.05025","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":"2026-05-18T00:28:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ouxVwfVneP2DXp4S60jz7Hi8oVjN5WMyt/hM+UVYQ7LNygU7uyn+GG2uBaady+URTzZ+FTUyaciKfit11wesBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T12:45:54.745668Z"},"content_sha256":"c502d544192d3f59dde034e5443335c71f75985389cfb93c9f7c21c0ef9c4360","schema_version":"1.0","event_id":"sha256:c502d544192d3f59dde034e5443335c71f75985389cfb93c9f7c21c0ef9c4360"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:QGZOCMM4XLKUU4ZDFT2WEO33MP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Empirical Bolometric Fluxes and Angular Diameters of 1.6 Million Tycho-2 Stars and Radii of 350,000 Stars with \\emph{Gaia} DR1 Parallaxes","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"B. Scott Gaudi, Daniel J. Stevens, Keivan G. Stassun","submitted_at":"2017-08-16T18:22:51Z","abstract_excerpt":"We present bolometric fluxes and angular diameters for over 1.6 million stars in the {\\it Tycho-2} catalog, determined using previously-determined empirical color-temperature and color-flux relations. We vet these relations via full fits to the full broadband spectral energy distributions for a subset of benchmark stars, and perform quality checks against the large set of stars for which spectroscopically-determined parameters are available from LAMOST, RAVE, and/or APOGEE. We then estimate radii for the 355,502 {\\it Tycho-2} stars in our sample whose \\emph{Gaia} DR1 parallaxes are precise to "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1708.05025","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":"2026-05-18T00:28:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Bfv3HzSCWZSos+HIpe8bQ6fMDBd7KqC7VR4cvvA2Bagd5QVPdIWFP5KzZZveKxhRVBHulT69qDWD/FBR07m4CQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T12:45:54.746011Z"},"content_sha256":"231e3045d2b8c130e419e42439d3112b16e89e52f1ed918d4121719e66daaab3","schema_version":"1.0","event_id":"sha256:231e3045d2b8c130e419e42439d3112b16e89e52f1ed918d4121719e66daaab3"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QGZOCMM4XLKUU4ZDFT2WEO33MP/bundle.json","state_url":"https://pith.science/pith/QGZOCMM4XLKUU4ZDFT2WEO33MP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QGZOCMM4XLKUU4ZDFT2WEO33MP/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":"2026-05-28T12:45:54Z","links":{"resolver":"https://pith.science/pith/QGZOCMM4XLKUU4ZDFT2WEO33MP","bundle":"https://pith.science/pith/QGZOCMM4XLKUU4ZDFT2WEO33MP/bundle.json","state":"https://pith.science/pith/QGZOCMM4XLKUU4ZDFT2WEO33MP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QGZOCMM4XLKUU4ZDFT2WEO33MP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:QGZOCMM4XLKUU4ZDFT2WEO33MP","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":"bb8f3e918ca98de188dff4ca420619609da7c0b195bbc7230c4183a73faf23fd","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2017-08-16T18:22:51Z","title_canon_sha256":"76a6a012e87c1710f6a31dce1f65f0c83618496214a369183a235675bf782b56"},"schema_version":"1.0","source":{"id":"1708.05025","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1708.05025","created_at":"2026-05-18T00:28:14Z"},{"alias_kind":"arxiv_version","alias_value":"1708.05025v1","created_at":"2026-05-18T00:28:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1708.05025","created_at":"2026-05-18T00:28:14Z"},{"alias_kind":"pith_short_12","alias_value":"QGZOCMM4XLKU","created_at":"2026-05-18T12:31:37Z"},{"alias_kind":"pith_short_16","alias_value":"QGZOCMM4XLKUU4ZD","created_at":"2026-05-18T12:31:37Z"},{"alias_kind":"pith_short_8","alias_value":"QGZOCMM4","created_at":"2026-05-18T12:31:37Z"}],"graph_snapshots":[{"event_id":"sha256:231e3045d2b8c130e419e42439d3112b16e89e52f1ed918d4121719e66daaab3","target":"graph","created_at":"2026-05-18T00:28:14Z","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 bolometric fluxes and angular diameters for over 1.6 million stars in the {\\it Tycho-2} catalog, determined using previously-determined empirical color-temperature and color-flux relations. We vet these relations via full fits to the full broadband spectral energy distributions for a subset of benchmark stars, and perform quality checks against the large set of stars for which spectroscopically-determined parameters are available from LAMOST, RAVE, and/or APOGEE. We then estimate radii for the 355,502 {\\it Tycho-2} stars in our sample whose \\emph{Gaia} DR1 parallaxes are precise to ","authors_text":"B. Scott Gaudi, Daniel J. Stevens, Keivan G. Stassun","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2017-08-16T18:22:51Z","title":"Empirical Bolometric Fluxes and Angular Diameters of 1.6 Million Tycho-2 Stars and Radii of 350,000 Stars with \\emph{Gaia} DR1 Parallaxes"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1708.05025","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:c502d544192d3f59dde034e5443335c71f75985389cfb93c9f7c21c0ef9c4360","target":"record","created_at":"2026-05-18T00:28:14Z","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":"bb8f3e918ca98de188dff4ca420619609da7c0b195bbc7230c4183a73faf23fd","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2017-08-16T18:22:51Z","title_canon_sha256":"76a6a012e87c1710f6a31dce1f65f0c83618496214a369183a235675bf782b56"},"schema_version":"1.0","source":{"id":"1708.05025","kind":"arxiv","version":1}},"canonical_sha256":"81b2e1319cbad54a73232cf5623b7b63c4daf4402ddfad702c8833f3e15c947d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"81b2e1319cbad54a73232cf5623b7b63c4daf4402ddfad702c8833f3e15c947d","first_computed_at":"2026-05-18T00:28:14.674129Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:28:14.674129Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"zDSNAy7FxeKi13KT6o880jTSJTu6idNrLZq6wm6lXYmuFbWrku7ebql6Pt5x02Rc++8uu3YpvhrSOe5QlGiNCg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:28:14.674782Z","signed_message":"canonical_sha256_bytes"},"source_id":"1708.05025","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c502d544192d3f59dde034e5443335c71f75985389cfb93c9f7c21c0ef9c4360","sha256:231e3045d2b8c130e419e42439d3112b16e89e52f1ed918d4121719e66daaab3"],"state_sha256":"6eff525e289f29ffdb2f4a3fb0225f22f5e0099018cdcc589b24688192e0386e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"x4yH/gzgg/7xa/ZCjz05mKTKkhTn3Fu+Vmtwkw8DETPhOk1kI/hhEtW/acHbvTIF16Hx0b573Zy37mRV/k9DBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T12:45:54.747867Z","bundle_sha256":"6583f3564f8ebdd353069296ad79d0fe009ed3836b2d18ff060bd9ec83fd2cb8"}}