{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:6QVX6LUDCMTOTRZLE45YDYJAUW","short_pith_number":"pith:6QVX6LUD","canonical_record":{"source":{"id":"1012.1146","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-12-06T12:21:25Z","cross_cats_sorted":["astro-ph.GA","astro-ph.IM"],"title_canon_sha256":"c0d6b23f8ccf65f8ab1c07f056d6f67da2032b26832cb2cf92061173e2167a43","abstract_canon_sha256":"78e44d954cf63884f504ddb2c3a9c80d7460755831ae567e3dbaba305d670be9"},"schema_version":"1.0"},"canonical_sha256":"f42b7f2e831326e9c72b273b81e120a5a4d802a6fbd28df630158147bd42cedf","source":{"kind":"arxiv","id":"1012.1146","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1012.1146","created_at":"2026-05-18T02:23:15Z"},{"alias_kind":"arxiv_version","alias_value":"1012.1146v1","created_at":"2026-05-18T02:23:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1012.1146","created_at":"2026-05-18T02:23:15Z"},{"alias_kind":"pith_short_12","alias_value":"6QVX6LUDCMTO","created_at":"2026-05-18T12:26:04Z"},{"alias_kind":"pith_short_16","alias_value":"6QVX6LUDCMTOTRZL","created_at":"2026-05-18T12:26:04Z"},{"alias_kind":"pith_short_8","alias_value":"6QVX6LUD","created_at":"2026-05-18T12:26:04Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:6QVX6LUDCMTOTRZLE45YDYJAUW","target":"record","payload":{"canonical_record":{"source":{"id":"1012.1146","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-12-06T12:21:25Z","cross_cats_sorted":["astro-ph.GA","astro-ph.IM"],"title_canon_sha256":"c0d6b23f8ccf65f8ab1c07f056d6f67da2032b26832cb2cf92061173e2167a43","abstract_canon_sha256":"78e44d954cf63884f504ddb2c3a9c80d7460755831ae567e3dbaba305d670be9"},"schema_version":"1.0"},"canonical_sha256":"f42b7f2e831326e9c72b273b81e120a5a4d802a6fbd28df630158147bd42cedf","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:23:15.463309Z","signature_b64":"mFCWLQPOnCQP1It/qnw12bQXMg4Lm4iOXxT137axwFPjYTfe8y0ylaZKI3Q9zwpak6rK4r1SuFuf/7S0NLoJDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f42b7f2e831326e9c72b273b81e120a5a4d802a6fbd28df630158147bd42cedf","last_reissued_at":"2026-05-18T02:23:15.462851Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:23:15.462851Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1012.1146","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":"2026-05-18T02:23:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"AZ0vyAzVzQ86B6jLHlc/YVwjWYkszIq3ZPqO0925J+Q0cfVXT+A1slvXu2Q3OHKEcIgLZueylCk0BHguE8pqCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T13:32:06.166442Z"},"content_sha256":"4fcb02b794a8defb5a8f954cf04e438b03a374013113ac3f282b7acb2b24ca1b","schema_version":"1.0","event_id":"sha256:4fcb02b794a8defb5a8f954cf04e438b03a374013113ac3f282b7acb2b24ca1b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:6QVX6LUDCMTOTRZLE45YDYJAUW","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Fundamental Stellar Properties from Optical Interferometry","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA","astro-ph.IM"],"primary_cat":"astro-ph.SR","authors_text":"Christian Hummel, Ellyn Baines, Ettore Pedretti, Gerard T. van Belle, Graham Harper, Jason Aufdenberg, Russel White, Steve Ridgway, Tabetha Boyajian, Vikram Ravi","submitted_at":"2010-12-06T12:21:25Z","abstract_excerpt":"High-resolution observations by visible and near-infrared interferometers of both single stars and binaries have made significant contributions to the foundations that underpin many aspects of our knowledge of stellar structure and evolution for cool stars. The CS16 splinter on this topic reviewed contributions of optical interferometry to date, examined highlights of current research, and identified areas for contributions with new observational constraints in the near future."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1012.1146","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":"2026-05-18T02:23:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZMwYcwU9w6/TOOEpparVFDUxOGdWA3I9lxuh/eM1iQWy9X9WD4gV64iOlQrnT9Je6OZFty0OCDmXhNs8jk1VAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T13:32:06.167095Z"},"content_sha256":"7f5820ff01fabc6c4b6795cfa55c002724ecd1baf263a140822f28cc354c2c40","schema_version":"1.0","event_id":"sha256:7f5820ff01fabc6c4b6795cfa55c002724ecd1baf263a140822f28cc354c2c40"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6QVX6LUDCMTOTRZLE45YDYJAUW/bundle.json","state_url":"https://pith.science/pith/6QVX6LUDCMTOTRZLE45YDYJAUW/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6QVX6LUDCMTOTRZLE45YDYJAUW/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":"2026-06-01T13:32:06Z","links":{"resolver":"https://pith.science/pith/6QVX6LUDCMTOTRZLE45YDYJAUW","bundle":"https://pith.science/pith/6QVX6LUDCMTOTRZLE45YDYJAUW/bundle.json","state":"https://pith.science/pith/6QVX6LUDCMTOTRZLE45YDYJAUW/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6QVX6LUDCMTOTRZLE45YDYJAUW/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:6QVX6LUDCMTOTRZLE45YDYJAUW","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":"78e44d954cf63884f504ddb2c3a9c80d7460755831ae567e3dbaba305d670be9","cross_cats_sorted":["astro-ph.GA","astro-ph.IM"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-12-06T12:21:25Z","title_canon_sha256":"c0d6b23f8ccf65f8ab1c07f056d6f67da2032b26832cb2cf92061173e2167a43"},"schema_version":"1.0","source":{"id":"1012.1146","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1012.1146","created_at":"2026-05-18T02:23:15Z"},{"alias_kind":"arxiv_version","alias_value":"1012.1146v1","created_at":"2026-05-18T02:23:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1012.1146","created_at":"2026-05-18T02:23:15Z"},{"alias_kind":"pith_short_12","alias_value":"6QVX6LUDCMTO","created_at":"2026-05-18T12:26:04Z"},{"alias_kind":"pith_short_16","alias_value":"6QVX6LUDCMTOTRZL","created_at":"2026-05-18T12:26:04Z"},{"alias_kind":"pith_short_8","alias_value":"6QVX6LUD","created_at":"2026-05-18T12:26:04Z"}],"graph_snapshots":[{"event_id":"sha256:7f5820ff01fabc6c4b6795cfa55c002724ecd1baf263a140822f28cc354c2c40","target":"graph","created_at":"2026-05-18T02:23:15Z","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":"High-resolution observations by visible and near-infrared interferometers of both single stars and binaries have made significant contributions to the foundations that underpin many aspects of our knowledge of stellar structure and evolution for cool stars. The CS16 splinter on this topic reviewed contributions of optical interferometry to date, examined highlights of current research, and identified areas for contributions with new observational constraints in the near future.","authors_text":"Christian Hummel, Ellyn Baines, Ettore Pedretti, Gerard T. van Belle, Graham Harper, Jason Aufdenberg, Russel White, Steve Ridgway, Tabetha Boyajian, Vikram Ravi","cross_cats":["astro-ph.GA","astro-ph.IM"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-12-06T12:21:25Z","title":"Fundamental Stellar Properties from Optical Interferometry"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1012.1146","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":"sha256:4fcb02b794a8defb5a8f954cf04e438b03a374013113ac3f282b7acb2b24ca1b","target":"record","created_at":"2026-05-18T02:23:15Z","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":"78e44d954cf63884f504ddb2c3a9c80d7460755831ae567e3dbaba305d670be9","cross_cats_sorted":["astro-ph.GA","astro-ph.IM"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-12-06T12:21:25Z","title_canon_sha256":"c0d6b23f8ccf65f8ab1c07f056d6f67da2032b26832cb2cf92061173e2167a43"},"schema_version":"1.0","source":{"id":"1012.1146","kind":"arxiv","version":1}},"canonical_sha256":"f42b7f2e831326e9c72b273b81e120a5a4d802a6fbd28df630158147bd42cedf","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f42b7f2e831326e9c72b273b81e120a5a4d802a6fbd28df630158147bd42cedf","first_computed_at":"2026-05-18T02:23:15.462851Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:23:15.462851Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"mFCWLQPOnCQP1It/qnw12bQXMg4Lm4iOXxT137axwFPjYTfe8y0ylaZKI3Q9zwpak6rK4r1SuFuf/7S0NLoJDw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:23:15.463309Z","signed_message":"canonical_sha256_bytes"},"source_id":"1012.1146","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4fcb02b794a8defb5a8f954cf04e438b03a374013113ac3f282b7acb2b24ca1b","sha256:7f5820ff01fabc6c4b6795cfa55c002724ecd1baf263a140822f28cc354c2c40"],"state_sha256":"7cc3824818e7e2f742a45aab8f3323f098d3dc31e3e8ea3d2cdb01c351b74b3a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tSHG8hLiWaKJ+Es1kdUIQYlSacU2k+sr3x9xV4+Thi/JfhteDD8U6WrLQJd0m/edIftQPh0mimULpwosWDqiAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T13:32:06.170109Z","bundle_sha256":"5d450ace1c869d146da434be28fff191ac3d2eb32edc24dbbcd290f7de9d0a09"}}