{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:5KFKC2WWNA2RSZCN3EMACNJUOA","short_pith_number":"pith:5KFKC2WW","canonical_record":{"source":{"id":"1109.0388","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-09-02T09:11:29Z","cross_cats_sorted":[],"title_canon_sha256":"21c14da056c9df00657f6c1b68563aa815882a6cff614f16fc381aab29c68ec3","abstract_canon_sha256":"3f03150960a591876f626c0a9133c5a3b4b91e4a698df2c8346472a33c5ccbf4"},"schema_version":"1.0"},"canonical_sha256":"ea8aa16ad6683519644dd91801353470204c607d795c5153d9edeefe095ce575","source":{"kind":"arxiv","id":"1109.0388","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1109.0388","created_at":"2026-05-18T02:00:42Z"},{"alias_kind":"arxiv_version","alias_value":"1109.0388v1","created_at":"2026-05-18T02:00:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1109.0388","created_at":"2026-05-18T02:00:42Z"},{"alias_kind":"pith_short_12","alias_value":"5KFKC2WWNA2R","created_at":"2026-05-18T12:26:20Z"},{"alias_kind":"pith_short_16","alias_value":"5KFKC2WWNA2RSZCN","created_at":"2026-05-18T12:26:20Z"},{"alias_kind":"pith_short_8","alias_value":"5KFKC2WW","created_at":"2026-05-18T12:26:20Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:5KFKC2WWNA2RSZCN3EMACNJUOA","target":"record","payload":{"canonical_record":{"source":{"id":"1109.0388","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-09-02T09:11:29Z","cross_cats_sorted":[],"title_canon_sha256":"21c14da056c9df00657f6c1b68563aa815882a6cff614f16fc381aab29c68ec3","abstract_canon_sha256":"3f03150960a591876f626c0a9133c5a3b4b91e4a698df2c8346472a33c5ccbf4"},"schema_version":"1.0"},"canonical_sha256":"ea8aa16ad6683519644dd91801353470204c607d795c5153d9edeefe095ce575","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:00:42.838038Z","signature_b64":"rJw7DurT2rLt+TqgZj0JV3FvXpZyUOdPOfP4osEcnR1/3ywRRZxi2v0z/bNjtYptdDgMivye/khYerilzPoqCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ea8aa16ad6683519644dd91801353470204c607d795c5153d9edeefe095ce575","last_reissued_at":"2026-05-18T02:00:42.837193Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:00:42.837193Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1109.0388","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":"2026-05-18T02:00:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kV6IeckDXa9bya9cEtVrxgbjXOBglHvSqOUcDZWchy/S8FJ+S50LIA1O7DbqZm4udtUnr+/ZsfTdE/wqyGgBBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T19:40:01.853706Z"},"content_sha256":"7127080edc177e343fbe387bcca484cfc900872edbb8f37687a4f4e435b6d5cd","schema_version":"1.0","event_id":"sha256:7127080edc177e343fbe387bcca484cfc900872edbb8f37687a4f4e435b6d5cd"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:5KFKC2WWNA2RSZCN3EMACNJUOA","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Near Infrared Angular Diameters of a few AGB variables by Lunar Occultations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Tapas Baug, T. Chandrasekhar","submitted_at":"2011-09-02T09:11:29Z","abstract_excerpt":"The uniform disk (UD) angular diameter measurements of two oxygen-rich Mira variables (AW Aur and BS Aur) and three semiregular (SRb) variables (GP Tau, RS Cap, RT Cap), in near Infrared K-band (2.2 micron) by lunar occultation observations are reported. UD angular diameters of the two Miras and one SRV are first time measurements. In addition a method of predicting angular diameters from (V-K) colour is discussed and applied to the five sources. The effect of mass-loss enhancing measured K-band diameters is examined for Miras using (K-[12]) colour excess as an index. In our sample the measure"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1109.0388","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":"2026-05-18T02:00:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EqomvpeViEphvIf27tVGXu1BG5pzrqJ8AXICqLQzGTGfmeFO8Q3a9nIzNuB6PzlLfM5xB0c/LKMP+n9IvzjJDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T19:40:01.854271Z"},"content_sha256":"8365db55416283adcc648acdf204f7f15038ac828e978d5fc09e4753f554970e","schema_version":"1.0","event_id":"sha256:8365db55416283adcc648acdf204f7f15038ac828e978d5fc09e4753f554970e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5KFKC2WWNA2RSZCN3EMACNJUOA/bundle.json","state_url":"https://pith.science/pith/5KFKC2WWNA2RSZCN3EMACNJUOA/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5KFKC2WWNA2RSZCN3EMACNJUOA/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":"2026-05-25T19:40:01Z","links":{"resolver":"https://pith.science/pith/5KFKC2WWNA2RSZCN3EMACNJUOA","bundle":"https://pith.science/pith/5KFKC2WWNA2RSZCN3EMACNJUOA/bundle.json","state":"https://pith.science/pith/5KFKC2WWNA2RSZCN3EMACNJUOA/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5KFKC2WWNA2RSZCN3EMACNJUOA/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:5KFKC2WWNA2RSZCN3EMACNJUOA","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":"3f03150960a591876f626c0a9133c5a3b4b91e4a698df2c8346472a33c5ccbf4","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-09-02T09:11:29Z","title_canon_sha256":"21c14da056c9df00657f6c1b68563aa815882a6cff614f16fc381aab29c68ec3"},"schema_version":"1.0","source":{"id":"1109.0388","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1109.0388","created_at":"2026-05-18T02:00:42Z"},{"alias_kind":"arxiv_version","alias_value":"1109.0388v1","created_at":"2026-05-18T02:00:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1109.0388","created_at":"2026-05-18T02:00:42Z"},{"alias_kind":"pith_short_12","alias_value":"5KFKC2WWNA2R","created_at":"2026-05-18T12:26:20Z"},{"alias_kind":"pith_short_16","alias_value":"5KFKC2WWNA2RSZCN","created_at":"2026-05-18T12:26:20Z"},{"alias_kind":"pith_short_8","alias_value":"5KFKC2WW","created_at":"2026-05-18T12:26:20Z"}],"graph_snapshots":[{"event_id":"sha256:8365db55416283adcc648acdf204f7f15038ac828e978d5fc09e4753f554970e","target":"graph","created_at":"2026-05-18T02:00:42Z","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":"The uniform disk (UD) angular diameter measurements of two oxygen-rich Mira variables (AW Aur and BS Aur) and three semiregular (SRb) variables (GP Tau, RS Cap, RT Cap), in near Infrared K-band (2.2 micron) by lunar occultation observations are reported. UD angular diameters of the two Miras and one SRV are first time measurements. In addition a method of predicting angular diameters from (V-K) colour is discussed and applied to the five sources. The effect of mass-loss enhancing measured K-band diameters is examined for Miras using (K-[12]) colour excess as an index. In our sample the measure","authors_text":"Tapas Baug, T. Chandrasekhar","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-09-02T09:11:29Z","title":"Near Infrared Angular Diameters of a few AGB variables by Lunar Occultations"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1109.0388","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":"sha256:7127080edc177e343fbe387bcca484cfc900872edbb8f37687a4f4e435b6d5cd","target":"record","created_at":"2026-05-18T02:00:42Z","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":"3f03150960a591876f626c0a9133c5a3b4b91e4a698df2c8346472a33c5ccbf4","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-09-02T09:11:29Z","title_canon_sha256":"21c14da056c9df00657f6c1b68563aa815882a6cff614f16fc381aab29c68ec3"},"schema_version":"1.0","source":{"id":"1109.0388","kind":"arxiv","version":1}},"canonical_sha256":"ea8aa16ad6683519644dd91801353470204c607d795c5153d9edeefe095ce575","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ea8aa16ad6683519644dd91801353470204c607d795c5153d9edeefe095ce575","first_computed_at":"2026-05-18T02:00:42.837193Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:00:42.837193Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"rJw7DurT2rLt+TqgZj0JV3FvXpZyUOdPOfP4osEcnR1/3ywRRZxi2v0z/bNjtYptdDgMivye/khYerilzPoqCg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:00:42.838038Z","signed_message":"canonical_sha256_bytes"},"source_id":"1109.0388","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7127080edc177e343fbe387bcca484cfc900872edbb8f37687a4f4e435b6d5cd","sha256:8365db55416283adcc648acdf204f7f15038ac828e978d5fc09e4753f554970e"],"state_sha256":"af51f7d84ad30f30511de326352c8ff584851f9624b96f934bfa470d9d4b7176"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4KKJ0BKIenpE3GRqGx3H2Ll6DEt5RN6fp9+2OZdtMQNxs+xpz7GV7iHVgrX8QkqBLFeHZwnyy8PNgXfgOkAxCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T19:40:01.857774Z","bundle_sha256":"c9981bf2bc6aeec01f6939b6fb978b85381feb31bf6bc931946cd06992671bd8"}}