{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:UVDUNYT5OXVWIHJPRPB6VLFGDK","short_pith_number":"pith:UVDUNYT5","canonical_record":{"source":{"id":"2403.20066","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2024-03-29T08:55:56Z","cross_cats_sorted":[],"title_canon_sha256":"e4f3758c114269639c7afe63a307ff3cf7ad3cf70a8dcc20af7eccecca4538ec","abstract_canon_sha256":"152073697bbbd96171df6a10a55e50767174d0035e417d8430d539276ab1d335"},"schema_version":"1.0"},"canonical_sha256":"a54746e27d75eb641d2f8bc3eaaca61a92fc251e37c8e152c1bfe434af721df2","source":{"kind":"arxiv","id":"2403.20066","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2403.20066","created_at":"2026-07-05T08:02:13Z"},{"alias_kind":"arxiv_version","alias_value":"2403.20066v1","created_at":"2026-07-05T08:02:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2403.20066","created_at":"2026-07-05T08:02:13Z"},{"alias_kind":"pith_short_12","alias_value":"UVDUNYT5OXVW","created_at":"2026-07-05T08:02:13Z"},{"alias_kind":"pith_short_16","alias_value":"UVDUNYT5OXVWIHJP","created_at":"2026-07-05T08:02:13Z"},{"alias_kind":"pith_short_8","alias_value":"UVDUNYT5","created_at":"2026-07-05T08:02:13Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:UVDUNYT5OXVWIHJPRPB6VLFGDK","target":"record","payload":{"canonical_record":{"source":{"id":"2403.20066","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2024-03-29T08:55:56Z","cross_cats_sorted":[],"title_canon_sha256":"e4f3758c114269639c7afe63a307ff3cf7ad3cf70a8dcc20af7eccecca4538ec","abstract_canon_sha256":"152073697bbbd96171df6a10a55e50767174d0035e417d8430d539276ab1d335"},"schema_version":"1.0"},"canonical_sha256":"a54746e27d75eb641d2f8bc3eaaca61a92fc251e37c8e152c1bfe434af721df2","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:02:13.019248Z","signature_b64":"2Dlg4qhAZt/g6cH4Iqi0Oa6Ss04jQDUhYrJd3TCHW/B/z4Ww0aHLs12FhT6Ww3zOLGprooLvxXXuByZdg1XPCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a54746e27d75eb641d2f8bc3eaaca61a92fc251e37c8e152c1bfe434af721df2","last_reissued_at":"2026-07-05T08:02:13.018772Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:02:13.018772Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2403.20066","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":"2026-07-05T08:02:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"O/2N/0Gt/8MpoPpbmq47zeC3B2Eb6XVUmfSEbrPK7wSRkDO8a70jc0J2tyspOu5VY+dJ5AW7CZG4aiRgO6HmBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-20T19:59:04.793457Z"},"content_sha256":"eff5d8c67ec1534ccbfdecb5fbd95fe17f7ed34249e783a1bedb335bf7c1aec7","schema_version":"1.0","event_id":"sha256:eff5d8c67ec1534ccbfdecb5fbd95fe17f7ed34249e783a1bedb335bf7c1aec7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:UVDUNYT5OXVWIHJPRPB6VLFGDK","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Post-AGB candidate IRAS 02143+5852: Cepheid-like variability, three-layer circumstellar dust envelope and spectral features","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"A.A. Belinski, A.A. Fedoteva, A.M. Tatarnikov, A.V. Dodin, K.E. Atapin, M.A. Burlak, N.P. Ikonnikova, R.B. Perry, R.J. Rudy, S.G. Zheltoukhov, S.Yu. Shugarov","submitted_at":"2024-03-29T08:55:56Z","abstract_excerpt":"We present the results of multicolour $UBVR_{\\text{C}}I_{\\text{C}}JHK$ photometry, spectroscopic analysis and spectral energy distribution (SED) modelling for the post-AGB candidate IRAS 02143+5852. We detected Cepheid-like light variations with the full peak-to-peak amplitude $\\Delta V\\sim0.9$ mag and the pulsation period of about 24.9 d. The phased light curves appeared typical for the W Vir Cepheids. The period-luminosity relation for the Type II Cepheids yielded the luminosity $\\log L/L_{\\odot}\\sim2.95$. From a low-resolution spectrum, obtained at maximum brightness, the following atmosphe"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2403.20066","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2403.20066/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T08:02:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VGRHBSXgfv+qwDubhVZ/1x3dtcCSEMLZknb/d9v9Mtc+GHqxJfvWt0diekqDfh9o9vWKDzUAhleV1KpY1U7fAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-20T19:59:04.793829Z"},"content_sha256":"a220212daab627532139f5d23ceb1443d7ee19231f7ea81f9d5f96b991a301ed","schema_version":"1.0","event_id":"sha256:a220212daab627532139f5d23ceb1443d7ee19231f7ea81f9d5f96b991a301ed"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/UVDUNYT5OXVWIHJPRPB6VLFGDK/bundle.json","state_url":"https://pith.science/pith/UVDUNYT5OXVWIHJPRPB6VLFGDK/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/UVDUNYT5OXVWIHJPRPB6VLFGDK/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":"2026-07-20T19:59:04Z","links":{"resolver":"https://pith.science/pith/UVDUNYT5OXVWIHJPRPB6VLFGDK","bundle":"https://pith.science/pith/UVDUNYT5OXVWIHJPRPB6VLFGDK/bundle.json","state":"https://pith.science/pith/UVDUNYT5OXVWIHJPRPB6VLFGDK/state.json","well_known_bundle":"https://pith.science/.well-known/pith/UVDUNYT5OXVWIHJPRPB6VLFGDK/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:UVDUNYT5OXVWIHJPRPB6VLFGDK","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":"152073697bbbd96171df6a10a55e50767174d0035e417d8430d539276ab1d335","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2024-03-29T08:55:56Z","title_canon_sha256":"e4f3758c114269639c7afe63a307ff3cf7ad3cf70a8dcc20af7eccecca4538ec"},"schema_version":"1.0","source":{"id":"2403.20066","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2403.20066","created_at":"2026-07-05T08:02:13Z"},{"alias_kind":"arxiv_version","alias_value":"2403.20066v1","created_at":"2026-07-05T08:02:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2403.20066","created_at":"2026-07-05T08:02:13Z"},{"alias_kind":"pith_short_12","alias_value":"UVDUNYT5OXVW","created_at":"2026-07-05T08:02:13Z"},{"alias_kind":"pith_short_16","alias_value":"UVDUNYT5OXVWIHJP","created_at":"2026-07-05T08:02:13Z"},{"alias_kind":"pith_short_8","alias_value":"UVDUNYT5","created_at":"2026-07-05T08:02:13Z"}],"graph_snapshots":[{"event_id":"sha256:a220212daab627532139f5d23ceb1443d7ee19231f7ea81f9d5f96b991a301ed","target":"graph","created_at":"2026-07-05T08:02:13Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2403.20066/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present the results of multicolour $UBVR_{\\text{C}}I_{\\text{C}}JHK$ photometry, spectroscopic analysis and spectral energy distribution (SED) modelling for the post-AGB candidate IRAS 02143+5852. We detected Cepheid-like light variations with the full peak-to-peak amplitude $\\Delta V\\sim0.9$ mag and the pulsation period of about 24.9 d. The phased light curves appeared typical for the W Vir Cepheids. The period-luminosity relation for the Type II Cepheids yielded the luminosity $\\log L/L_{\\odot}\\sim2.95$. From a low-resolution spectrum, obtained at maximum brightness, the following atmosphe","authors_text":"A.A. Belinski, A.A. Fedoteva, A.M. Tatarnikov, A.V. Dodin, K.E. Atapin, M.A. Burlak, N.P. Ikonnikova, R.B. Perry, R.J. Rudy, S.G. Zheltoukhov, S.Yu. Shugarov","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2024-03-29T08:55:56Z","title":"Post-AGB candidate IRAS 02143+5852: Cepheid-like variability, three-layer circumstellar dust envelope and spectral features"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2403.20066","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:eff5d8c67ec1534ccbfdecb5fbd95fe17f7ed34249e783a1bedb335bf7c1aec7","target":"record","created_at":"2026-07-05T08:02:13Z","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":"152073697bbbd96171df6a10a55e50767174d0035e417d8430d539276ab1d335","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2024-03-29T08:55:56Z","title_canon_sha256":"e4f3758c114269639c7afe63a307ff3cf7ad3cf70a8dcc20af7eccecca4538ec"},"schema_version":"1.0","source":{"id":"2403.20066","kind":"arxiv","version":1}},"canonical_sha256":"a54746e27d75eb641d2f8bc3eaaca61a92fc251e37c8e152c1bfe434af721df2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a54746e27d75eb641d2f8bc3eaaca61a92fc251e37c8e152c1bfe434af721df2","first_computed_at":"2026-07-05T08:02:13.018772Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T08:02:13.018772Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"2Dlg4qhAZt/g6cH4Iqi0Oa6Ss04jQDUhYrJd3TCHW/B/z4Ww0aHLs12FhT6Ww3zOLGprooLvxXXuByZdg1XPCw==","signature_status":"signed_v1","signed_at":"2026-07-05T08:02:13.019248Z","signed_message":"canonical_sha256_bytes"},"source_id":"2403.20066","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:eff5d8c67ec1534ccbfdecb5fbd95fe17f7ed34249e783a1bedb335bf7c1aec7","sha256:a220212daab627532139f5d23ceb1443d7ee19231f7ea81f9d5f96b991a301ed"],"state_sha256":"66f817a274f66950f1f43703f732fccc6398192586736e10b48da9dd7ad71092"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZK2WmC5zAGW03E8bRH5g4nRLMqoDSQ9KngG5B+izffSVWQLEJmRXzst/Scknd5xhz5s+qr8x2x87DnflkBRyAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-20T19:59:04.796413Z","bundle_sha256":"9427ac303bc8cc59834377d3a87b0cca3aa6288738e65b7b8c210376818d4712"}}