{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:RTT4WECHMULY3R3U5GVAMCLES6","short_pith_number":"pith:RTT4WECH","canonical_record":{"source":{"id":"2307.10796","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2023-07-20T11:57:28Z","cross_cats_sorted":[],"title_canon_sha256":"d0343592cd3f443b070f244d3ce2c815aa459130436879f020fd53d6e35cc644","abstract_canon_sha256":"f7bc36ca4e81dcf87b4359ba99ee9b13d35782cb76d3ba87dde6c529f5919ea4"},"schema_version":"1.0"},"canonical_sha256":"8ce7cb104765178dc774e9aa060964979006e4dade02bb7ce5a38f5be12e0b76","source":{"kind":"arxiv","id":"2307.10796","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2307.10796","created_at":"2026-07-05T06:33:10Z"},{"alias_kind":"arxiv_version","alias_value":"2307.10796v1","created_at":"2026-07-05T06:33:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2307.10796","created_at":"2026-07-05T06:33:10Z"},{"alias_kind":"pith_short_12","alias_value":"RTT4WECHMULY","created_at":"2026-07-05T06:33:10Z"},{"alias_kind":"pith_short_16","alias_value":"RTT4WECHMULY3R3U","created_at":"2026-07-05T06:33:10Z"},{"alias_kind":"pith_short_8","alias_value":"RTT4WECH","created_at":"2026-07-05T06:33:10Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:RTT4WECHMULY3R3U5GVAMCLES6","target":"record","payload":{"canonical_record":{"source":{"id":"2307.10796","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2023-07-20T11:57:28Z","cross_cats_sorted":[],"title_canon_sha256":"d0343592cd3f443b070f244d3ce2c815aa459130436879f020fd53d6e35cc644","abstract_canon_sha256":"f7bc36ca4e81dcf87b4359ba99ee9b13d35782cb76d3ba87dde6c529f5919ea4"},"schema_version":"1.0"},"canonical_sha256":"8ce7cb104765178dc774e9aa060964979006e4dade02bb7ce5a38f5be12e0b76","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:33:10.180769Z","signature_b64":"2aaIi29/u2k7zutIXQSfjDMFcdHY9b7k0zw5y50r5+AMkD4jL6oI0IHJSmCmyc9sI/FOvrli1fjM+wp8JqT2Ag==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8ce7cb104765178dc774e9aa060964979006e4dade02bb7ce5a38f5be12e0b76","last_reissued_at":"2026-07-05T06:33:10.180368Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:33:10.180368Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2307.10796","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":"2026-07-05T06:33:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9xtoUbWNSwhURtZ3Hc9WpKV/VgPJWlX6hExJe4lET5Xi/LvTjXjtxMBBBU4yXlzYE1AVGzyrAEPbzod6O6NICw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T15:36:18.242874Z"},"content_sha256":"b6bc7a97e8f93f6bd9dd967979e8c468e4ebb76196c6870c994b0bd20618ec5c","schema_version":"1.0","event_id":"sha256:b6bc7a97e8f93f6bd9dd967979e8c468e4ebb76196c6870c994b0bd20618ec5c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:RTT4WECHMULY3R3U5GVAMCLES6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Post-AGB Star IRAS 07253-2001: Pulsations, Long-Term Brightness Variability and Spectral Peculiarities","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"A. A. Belinski, A. M. Tatarnikov, A. V. Dodin, K. E. Atapin, M. A. Burlak, N. A. Maslennikova, N. P. Ikonnikova, S. G. Zheltoukhov","submitted_at":"2023-07-20T11:57:28Z","abstract_excerpt":"The observations and comprehensive study of intermediate initial mass stars at the late stages of evolution, and after the asymptotic giant branch (AGB) in particular, are of crucial importance to identify the common properties for the stars of given group and to reveal binaries among them. This work aims to investigate photometric and spectral peculiarities of a poorly studied post-AGB candidate and infrared source IRAS 07253-2001. We present the new multicolour $UBVR_{C}I_{C}YJHK$ photometry obtained with the telescopes of the Caucasian mountain observatory and analyse it together with the d"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2307.10796","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/2307.10796/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":"2026-07-05T06:33:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"aR6/cA3L2GqyGxxKK8P46xyYlGxtpSwzRX4cJG6EHEJ686JZq88iTqpD26PAQqV1MdLf1/vvt7tMB3FdhPe1AA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T15:36:18.243377Z"},"content_sha256":"449594f8c6e509b7e15612a622cc9ded808a907f856d1621f16bdc9c28aa3d54","schema_version":"1.0","event_id":"sha256:449594f8c6e509b7e15612a622cc9ded808a907f856d1621f16bdc9c28aa3d54"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/RTT4WECHMULY3R3U5GVAMCLES6/bundle.json","state_url":"https://pith.science/pith/RTT4WECHMULY3R3U5GVAMCLES6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/RTT4WECHMULY3R3U5GVAMCLES6/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":"2026-08-04T15:36:18Z","links":{"resolver":"https://pith.science/pith/RTT4WECHMULY3R3U5GVAMCLES6","bundle":"https://pith.science/pith/RTT4WECHMULY3R3U5GVAMCLES6/bundle.json","state":"https://pith.science/pith/RTT4WECHMULY3R3U5GVAMCLES6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/RTT4WECHMULY3R3U5GVAMCLES6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:RTT4WECHMULY3R3U5GVAMCLES6","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":"f7bc36ca4e81dcf87b4359ba99ee9b13d35782cb76d3ba87dde6c529f5919ea4","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2023-07-20T11:57:28Z","title_canon_sha256":"d0343592cd3f443b070f244d3ce2c815aa459130436879f020fd53d6e35cc644"},"schema_version":"1.0","source":{"id":"2307.10796","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2307.10796","created_at":"2026-07-05T06:33:10Z"},{"alias_kind":"arxiv_version","alias_value":"2307.10796v1","created_at":"2026-07-05T06:33:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2307.10796","created_at":"2026-07-05T06:33:10Z"},{"alias_kind":"pith_short_12","alias_value":"RTT4WECHMULY","created_at":"2026-07-05T06:33:10Z"},{"alias_kind":"pith_short_16","alias_value":"RTT4WECHMULY3R3U","created_at":"2026-07-05T06:33:10Z"},{"alias_kind":"pith_short_8","alias_value":"RTT4WECH","created_at":"2026-07-05T06:33:10Z"}],"graph_snapshots":[{"event_id":"sha256:449594f8c6e509b7e15612a622cc9ded808a907f856d1621f16bdc9c28aa3d54","target":"graph","created_at":"2026-07-05T06:33:10Z","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/2307.10796/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The observations and comprehensive study of intermediate initial mass stars at the late stages of evolution, and after the asymptotic giant branch (AGB) in particular, are of crucial importance to identify the common properties for the stars of given group and to reveal binaries among them. This work aims to investigate photometric and spectral peculiarities of a poorly studied post-AGB candidate and infrared source IRAS 07253-2001. We present the new multicolour $UBVR_{C}I_{C}YJHK$ photometry obtained with the telescopes of the Caucasian mountain observatory and analyse it together with the d","authors_text":"A. A. Belinski, A. M. Tatarnikov, A. V. Dodin, K. E. Atapin, M. A. Burlak, N. A. Maslennikova, N. P. Ikonnikova, S. G. Zheltoukhov","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2023-07-20T11:57:28Z","title":"The Post-AGB Star IRAS 07253-2001: Pulsations, Long-Term Brightness Variability and Spectral Peculiarities"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2307.10796","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:b6bc7a97e8f93f6bd9dd967979e8c468e4ebb76196c6870c994b0bd20618ec5c","target":"record","created_at":"2026-07-05T06:33:10Z","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":"f7bc36ca4e81dcf87b4359ba99ee9b13d35782cb76d3ba87dde6c529f5919ea4","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2023-07-20T11:57:28Z","title_canon_sha256":"d0343592cd3f443b070f244d3ce2c815aa459130436879f020fd53d6e35cc644"},"schema_version":"1.0","source":{"id":"2307.10796","kind":"arxiv","version":1}},"canonical_sha256":"8ce7cb104765178dc774e9aa060964979006e4dade02bb7ce5a38f5be12e0b76","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8ce7cb104765178dc774e9aa060964979006e4dade02bb7ce5a38f5be12e0b76","first_computed_at":"2026-07-05T06:33:10.180368Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:33:10.180368Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"2aaIi29/u2k7zutIXQSfjDMFcdHY9b7k0zw5y50r5+AMkD4jL6oI0IHJSmCmyc9sI/FOvrli1fjM+wp8JqT2Ag==","signature_status":"signed_v1","signed_at":"2026-07-05T06:33:10.180769Z","signed_message":"canonical_sha256_bytes"},"source_id":"2307.10796","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b6bc7a97e8f93f6bd9dd967979e8c468e4ebb76196c6870c994b0bd20618ec5c","sha256:449594f8c6e509b7e15612a622cc9ded808a907f856d1621f16bdc9c28aa3d54"],"state_sha256":"d9e40e172aeeaa5433f6cfa88fb3eb46a1af8e823ed95ebcbfaea4f627136c04"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CxuXPdJwJv8hgG1blB0TGafmtV1fvIo3rFSTr9kINUi5IgyWWmI6nz5mRTiOJouSp1inyEXBgz3uxLWk723jAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-04T15:36:18.247711Z","bundle_sha256":"1bc61e90e271be986036cda29690882577692c2961eb8b72c7591d1e0176cea7"}}