{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:66SMAVH3CERZHY4IZ4KRZZQQIX","short_pith_number":"pith:66SMAVH3","canonical_record":{"source":{"id":"1412.5251","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-12-17T03:38:54Z","cross_cats_sorted":[],"title_canon_sha256":"6971bb066ab8654ec4e8de79ed38a09da5b709c5d2904cf9ed11e40587ad1c88","abstract_canon_sha256":"9470ad6ccdac0e1e406fdc5ade24690c149cffdf374ba3b446fdadd3e33dbcc5"},"schema_version":"1.0"},"canonical_sha256":"f7a4c054fb112393e388cf151ce61045c1abdf1dee3d019404c3aec87ec6cf86","source":{"kind":"arxiv","id":"1412.5251","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1412.5251","created_at":"2026-05-18T01:41:18Z"},{"alias_kind":"arxiv_version","alias_value":"1412.5251v1","created_at":"2026-05-18T01:41:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1412.5251","created_at":"2026-05-18T01:41:18Z"},{"alias_kind":"pith_short_12","alias_value":"66SMAVH3CERZ","created_at":"2026-05-18T12:28:16Z"},{"alias_kind":"pith_short_16","alias_value":"66SMAVH3CERZHY4I","created_at":"2026-05-18T12:28:16Z"},{"alias_kind":"pith_short_8","alias_value":"66SMAVH3","created_at":"2026-05-18T12:28:16Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:66SMAVH3CERZHY4IZ4KRZZQQIX","target":"record","payload":{"canonical_record":{"source":{"id":"1412.5251","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-12-17T03:38:54Z","cross_cats_sorted":[],"title_canon_sha256":"6971bb066ab8654ec4e8de79ed38a09da5b709c5d2904cf9ed11e40587ad1c88","abstract_canon_sha256":"9470ad6ccdac0e1e406fdc5ade24690c149cffdf374ba3b446fdadd3e33dbcc5"},"schema_version":"1.0"},"canonical_sha256":"f7a4c054fb112393e388cf151ce61045c1abdf1dee3d019404c3aec87ec6cf86","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:41:18.583632Z","signature_b64":"BP9Lz7njzoEOAjaV0/qvO6KN6I0oiDXqayS6Z42Q/2wiCjfmIQ8AbugspLtV/f8E/1teIQbbnEBtIxRJYoIFBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f7a4c054fb112393e388cf151ce61045c1abdf1dee3d019404c3aec87ec6cf86","last_reissued_at":"2026-05-18T01:41:18.582903Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:41:18.582903Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1412.5251","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":"2026-05-18T01:41:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KazxEpPIhoWlV8BaRUv72l0vl/aMNj4NxIiteKM41nksKXSipmAXpequoMUAqa0hw67y5k+8j3SIvYuH1QjSCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T10:29:55.287078Z"},"content_sha256":"b9efcbc6305df4f76174e1ec4c827948e308a6342ed37a2aa5c36dfe578bc170","schema_version":"1.0","event_id":"sha256:b9efcbc6305df4f76174e1ec4c827948e308a6342ed37a2aa5c36dfe578bc170"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:66SMAVH3CERZHY4IZ4KRZZQQIX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Stellar Parameters for HD 69830, a Nearby Star with Three Neptune Mass Planets and an Asteroid Belt","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Angelle Tanner, Charles A. Beichman, Chris Farrington, Debra Fischer, Gail Schaefer, Gerard T. van Belle, Harold A. McAlister, John M. Brewer, Kaspar von Braun, Stephen Kane, Tabetha S. Boyajian, Theo A. ten Brummelaar","submitted_at":"2014-12-17T03:38:54Z","abstract_excerpt":"We used the CHARA Array to directly measure the angular diameter of HD 69830, home to three Neptune mass planets and an asteroid belt. Our measurement of 0.674+/-0.014 milli-arcseconds for the limb-darkened angular diameter of this star leads to a physical radius of R$_*$ = 0.9058$\\pm$0.0190 R\\sun and luminosity of L* = 0.622+/-0.014 Lsun when combined with a fit to the spectral energy distribution of the star. Placing these observed values on an Hertzsprung-Russel (HR) diagram along with stellar evolution isochrones produces an age of 10.6+/-4 Gyr and mass of 0.863$\\pm$0.043 M\\sun. We use arc"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1412.5251","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":"2026-05-18T01:41:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LsDMu6+mtFghReNVipW/vWTEvg/9PzktDpPUg12xD6zaIlR8Z9TknmxbWfoPEuYIDl4Gm1tnumqkYUG3yreuBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T10:29:55.287484Z"},"content_sha256":"a1f24bf1edb64cb235e5f38debdc40a42ee0926a455289cdb86a640e21ce0607","schema_version":"1.0","event_id":"sha256:a1f24bf1edb64cb235e5f38debdc40a42ee0926a455289cdb86a640e21ce0607"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/66SMAVH3CERZHY4IZ4KRZZQQIX/bundle.json","state_url":"https://pith.science/pith/66SMAVH3CERZHY4IZ4KRZZQQIX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/66SMAVH3CERZHY4IZ4KRZZQQIX/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":"2026-06-06T10:29:55Z","links":{"resolver":"https://pith.science/pith/66SMAVH3CERZHY4IZ4KRZZQQIX","bundle":"https://pith.science/pith/66SMAVH3CERZHY4IZ4KRZZQQIX/bundle.json","state":"https://pith.science/pith/66SMAVH3CERZHY4IZ4KRZZQQIX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/66SMAVH3CERZHY4IZ4KRZZQQIX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:66SMAVH3CERZHY4IZ4KRZZQQIX","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":"9470ad6ccdac0e1e406fdc5ade24690c149cffdf374ba3b446fdadd3e33dbcc5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-12-17T03:38:54Z","title_canon_sha256":"6971bb066ab8654ec4e8de79ed38a09da5b709c5d2904cf9ed11e40587ad1c88"},"schema_version":"1.0","source":{"id":"1412.5251","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1412.5251","created_at":"2026-05-18T01:41:18Z"},{"alias_kind":"arxiv_version","alias_value":"1412.5251v1","created_at":"2026-05-18T01:41:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1412.5251","created_at":"2026-05-18T01:41:18Z"},{"alias_kind":"pith_short_12","alias_value":"66SMAVH3CERZ","created_at":"2026-05-18T12:28:16Z"},{"alias_kind":"pith_short_16","alias_value":"66SMAVH3CERZHY4I","created_at":"2026-05-18T12:28:16Z"},{"alias_kind":"pith_short_8","alias_value":"66SMAVH3","created_at":"2026-05-18T12:28:16Z"}],"graph_snapshots":[{"event_id":"sha256:a1f24bf1edb64cb235e5f38debdc40a42ee0926a455289cdb86a640e21ce0607","target":"graph","created_at":"2026-05-18T01:41:18Z","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 used the CHARA Array to directly measure the angular diameter of HD 69830, home to three Neptune mass planets and an asteroid belt. Our measurement of 0.674+/-0.014 milli-arcseconds for the limb-darkened angular diameter of this star leads to a physical radius of R$_*$ = 0.9058$\\pm$0.0190 R\\sun and luminosity of L* = 0.622+/-0.014 Lsun when combined with a fit to the spectral energy distribution of the star. Placing these observed values on an Hertzsprung-Russel (HR) diagram along with stellar evolution isochrones produces an age of 10.6+/-4 Gyr and mass of 0.863$\\pm$0.043 M\\sun. We use arc","authors_text":"Angelle Tanner, Charles A. Beichman, Chris Farrington, Debra Fischer, Gail Schaefer, Gerard T. van Belle, Harold A. McAlister, John M. Brewer, Kaspar von Braun, Stephen Kane, Tabetha S. Boyajian, Theo A. ten Brummelaar","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-12-17T03:38:54Z","title":"Stellar Parameters for HD 69830, a Nearby Star with Three Neptune Mass Planets and an Asteroid Belt"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1412.5251","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:b9efcbc6305df4f76174e1ec4c827948e308a6342ed37a2aa5c36dfe578bc170","target":"record","created_at":"2026-05-18T01:41:18Z","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":"9470ad6ccdac0e1e406fdc5ade24690c149cffdf374ba3b446fdadd3e33dbcc5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-12-17T03:38:54Z","title_canon_sha256":"6971bb066ab8654ec4e8de79ed38a09da5b709c5d2904cf9ed11e40587ad1c88"},"schema_version":"1.0","source":{"id":"1412.5251","kind":"arxiv","version":1}},"canonical_sha256":"f7a4c054fb112393e388cf151ce61045c1abdf1dee3d019404c3aec87ec6cf86","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f7a4c054fb112393e388cf151ce61045c1abdf1dee3d019404c3aec87ec6cf86","first_computed_at":"2026-05-18T01:41:18.582903Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:41:18.582903Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"BP9Lz7njzoEOAjaV0/qvO6KN6I0oiDXqayS6Z42Q/2wiCjfmIQ8AbugspLtV/f8E/1teIQbbnEBtIxRJYoIFBg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:41:18.583632Z","signed_message":"canonical_sha256_bytes"},"source_id":"1412.5251","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b9efcbc6305df4f76174e1ec4c827948e308a6342ed37a2aa5c36dfe578bc170","sha256:a1f24bf1edb64cb235e5f38debdc40a42ee0926a455289cdb86a640e21ce0607"],"state_sha256":"96c3a428660851a6523532984722d43bf07000add4db80f814cf2ddf9833886f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dgCgAGOO/GRUMRzX2ZjDCwUcoOit3OD1D5hVISAyPAmBO3jDV4A/8Swd5xPKmvpfKMqD1YsezPqlvoCzZALdCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-06T10:29:55.289857Z","bundle_sha256":"9ae521cbea8758452cddfe7b27e98d4f65615bb51f0054a12ef671334dc3f854"}}