{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2006:3HHLSN7V46376UFZEJRMRA66JO","short_pith_number":"pith:3HHLSN7V","canonical_record":{"source":{"id":"astro-ph/0611312","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2006-11-09T21:00:05Z","cross_cats_sorted":[],"title_canon_sha256":"03b2be3b4eef005fe1907d1e9255cd13b9c4903955e775cb8412fd5dfd42308a","abstract_canon_sha256":"b60afe984a3d74f0612fbc14cf0a026238cbdd950ae4b6242d0f587aaac28d15"},"schema_version":"1.0"},"canonical_sha256":"d9ceb937f5e7b7ff50b92262c883de4b92875d04322097b9842d2bb593248518","source":{"kind":"arxiv","id":"astro-ph/0611312","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0611312","created_at":"2026-05-18T04:29:15Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0611312v1","created_at":"2026-05-18T04:29:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0611312","created_at":"2026-05-18T04:29:15Z"},{"alias_kind":"pith_short_12","alias_value":"3HHLSN7V4637","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_16","alias_value":"3HHLSN7V46376UFZ","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_8","alias_value":"3HHLSN7V","created_at":"2026-05-18T12:25:53Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2006:3HHLSN7V46376UFZEJRMRA66JO","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0611312","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2006-11-09T21:00:05Z","cross_cats_sorted":[],"title_canon_sha256":"03b2be3b4eef005fe1907d1e9255cd13b9c4903955e775cb8412fd5dfd42308a","abstract_canon_sha256":"b60afe984a3d74f0612fbc14cf0a026238cbdd950ae4b6242d0f587aaac28d15"},"schema_version":"1.0"},"canonical_sha256":"d9ceb937f5e7b7ff50b92262c883de4b92875d04322097b9842d2bb593248518","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:29:15.330772Z","signature_b64":"O6W5BQQWM2XxeUTynwP8JZqz4YrCqpSVaDit9NgQXPOuAJA2+2DgJ6K1ukLemBWxm1Pi60E5uRhjJO1bG8IhCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d9ceb937f5e7b7ff50b92262c883de4b92875d04322097b9842d2bb593248518","last_reissued_at":"2026-05-18T04:29:15.330182Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:29:15.330182Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0611312","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":"2026-05-18T04:29:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dcNdZo+3TXW/B/Q3ByZVtc5U1wr3uETzbuHUdgGbmDcCBzEn4qJurg8EUGiyuW+8wBzEFnFpoNip8/bUM0TpDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T05:49:23.626957Z"},"content_sha256":"48ef29a32e61d185bd84beea3f64d1e595f90a8d7c98d61b646d68b301057390","schema_version":"1.0","event_id":"sha256:48ef29a32e61d185bd84beea3f64d1e595f90a8d7c98d61b646d68b301057390"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2006:3HHLSN7V46376UFZEJRMRA66JO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Stellar and Molecular Radii of a Mira Star: First Observations with the Keck Interferometer Grism","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"A. Booth, E.R. Ligon, G. Basri, J.A. Eisner, J.R. Graham, K. Summers, M.M. Colavita, R.L. Akeson, S. Ragland","submitted_at":"2006-11-09T21:00:05Z","abstract_excerpt":"Using a new grism at the Keck Interferometer, we obtained spectrally dispersed (R ~ 230) interferometric measurements of the Mira star R Vir. These data show that the measured radius of the emission varies substantially from 2.0-2.4 microns. Simple models can reproduce these wavelength-dependent variations using extended molecular layers, which absorb stellar radiation and re-emit it at longer wavelengths. Because we observe spectral regions with and without substantial molecular opacity, we determine the stellar photospheric radius, uncontaminated by molecular emission. We infer that most of "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0611312","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":"2026-05-18T04:29:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RXeNjYa5AAdgnbWE0MxiV0+8hXlvXXT4hx9X9FKzCvoT1C0gqlBLITaudZl6xMhY0at3UW9il4lKm9VJIJ7iAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T05:49:23.627610Z"},"content_sha256":"e43c84e096deefab813ffd21a1531b7f422f083f77ec42a163fe0dd880382cb4","schema_version":"1.0","event_id":"sha256:e43c84e096deefab813ffd21a1531b7f422f083f77ec42a163fe0dd880382cb4"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/3HHLSN7V46376UFZEJRMRA66JO/bundle.json","state_url":"https://pith.science/pith/3HHLSN7V46376UFZEJRMRA66JO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/3HHLSN7V46376UFZEJRMRA66JO/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":"2026-06-05T05:49:23Z","links":{"resolver":"https://pith.science/pith/3HHLSN7V46376UFZEJRMRA66JO","bundle":"https://pith.science/pith/3HHLSN7V46376UFZEJRMRA66JO/bundle.json","state":"https://pith.science/pith/3HHLSN7V46376UFZEJRMRA66JO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/3HHLSN7V46376UFZEJRMRA66JO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2006:3HHLSN7V46376UFZEJRMRA66JO","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":"b60afe984a3d74f0612fbc14cf0a026238cbdd950ae4b6242d0f587aaac28d15","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2006-11-09T21:00:05Z","title_canon_sha256":"03b2be3b4eef005fe1907d1e9255cd13b9c4903955e775cb8412fd5dfd42308a"},"schema_version":"1.0","source":{"id":"astro-ph/0611312","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0611312","created_at":"2026-05-18T04:29:15Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0611312v1","created_at":"2026-05-18T04:29:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0611312","created_at":"2026-05-18T04:29:15Z"},{"alias_kind":"pith_short_12","alias_value":"3HHLSN7V4637","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_16","alias_value":"3HHLSN7V46376UFZ","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_8","alias_value":"3HHLSN7V","created_at":"2026-05-18T12:25:53Z"}],"graph_snapshots":[{"event_id":"sha256:e43c84e096deefab813ffd21a1531b7f422f083f77ec42a163fe0dd880382cb4","target":"graph","created_at":"2026-05-18T04:29:15Z","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":"Using a new grism at the Keck Interferometer, we obtained spectrally dispersed (R ~ 230) interferometric measurements of the Mira star R Vir. These data show that the measured radius of the emission varies substantially from 2.0-2.4 microns. Simple models can reproduce these wavelength-dependent variations using extended molecular layers, which absorb stellar radiation and re-emit it at longer wavelengths. Because we observe spectral regions with and without substantial molecular opacity, we determine the stellar photospheric radius, uncontaminated by molecular emission. We infer that most of ","authors_text":"A. Booth, E.R. Ligon, G. Basri, J.A. Eisner, J.R. Graham, K. Summers, M.M. Colavita, R.L. Akeson, S. Ragland","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2006-11-09T21:00:05Z","title":"Stellar and Molecular Radii of a Mira Star: First Observations with the Keck Interferometer Grism"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0611312","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":"sha256:48ef29a32e61d185bd84beea3f64d1e595f90a8d7c98d61b646d68b301057390","target":"record","created_at":"2026-05-18T04:29:15Z","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":"b60afe984a3d74f0612fbc14cf0a026238cbdd950ae4b6242d0f587aaac28d15","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2006-11-09T21:00:05Z","title_canon_sha256":"03b2be3b4eef005fe1907d1e9255cd13b9c4903955e775cb8412fd5dfd42308a"},"schema_version":"1.0","source":{"id":"astro-ph/0611312","kind":"arxiv","version":1}},"canonical_sha256":"d9ceb937f5e7b7ff50b92262c883de4b92875d04322097b9842d2bb593248518","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d9ceb937f5e7b7ff50b92262c883de4b92875d04322097b9842d2bb593248518","first_computed_at":"2026-05-18T04:29:15.330182Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:29:15.330182Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"O6W5BQQWM2XxeUTynwP8JZqz4YrCqpSVaDit9NgQXPOuAJA2+2DgJ6K1ukLemBWxm1Pi60E5uRhjJO1bG8IhCw==","signature_status":"signed_v1","signed_at":"2026-05-18T04:29:15.330772Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0611312","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:48ef29a32e61d185bd84beea3f64d1e595f90a8d7c98d61b646d68b301057390","sha256:e43c84e096deefab813ffd21a1531b7f422f083f77ec42a163fe0dd880382cb4"],"state_sha256":"073e069d076fbd676b9a4bf90fc7de3a558a9d17987d535890ff9a79ea73c8ee"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BlfeeHRyVvfVY72CtJATpGD+hYuzSg/+I43k15jfPQ8qlCjMGojWMhRKdMRg4HGb1gTsPu1YHFMaQWdeA/K2AA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-05T05:49:23.631251Z","bundle_sha256":"1245b2e6999139a5ccef650a96c3734051bc48512f85ce32ba1ef3ac68551f7a"}}