{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:D6GHG3UVTWAOQZFO2KGZREVMCT","short_pith_number":"pith:D6GHG3UV","canonical_record":{"source":{"id":"2605.24347","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2026-05-23T02:18:32Z","cross_cats_sorted":[],"title_canon_sha256":"f773b1beb8aed5cfef31e201f555592b57fd2c06e7b1326fa21ec2724f4e60a1","abstract_canon_sha256":"6ce591dcda20cd2dca4f8054f4bf1f8682b51e3b75ba772d064bae17cf8f99aa"},"schema_version":"1.0"},"canonical_sha256":"1f8c736e959d80e864aed28d9892ac14d4fec087ea0a08aefdf791eaa085a14e","source":{"kind":"arxiv","id":"2605.24347","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2605.24347","created_at":"2026-05-26T01:03:01Z"},{"alias_kind":"arxiv_version","alias_value":"2605.24347v1","created_at":"2026-05-26T01:03:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.24347","created_at":"2026-05-26T01:03:01Z"},{"alias_kind":"pith_short_12","alias_value":"D6GHG3UVTWAO","created_at":"2026-05-26T01:03:01Z"},{"alias_kind":"pith_short_16","alias_value":"D6GHG3UVTWAOQZFO","created_at":"2026-05-26T01:03:01Z"},{"alias_kind":"pith_short_8","alias_value":"D6GHG3UV","created_at":"2026-05-26T01:03:01Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:D6GHG3UVTWAOQZFO2KGZREVMCT","target":"record","payload":{"canonical_record":{"source":{"id":"2605.24347","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2026-05-23T02:18:32Z","cross_cats_sorted":[],"title_canon_sha256":"f773b1beb8aed5cfef31e201f555592b57fd2c06e7b1326fa21ec2724f4e60a1","abstract_canon_sha256":"6ce591dcda20cd2dca4f8054f4bf1f8682b51e3b75ba772d064bae17cf8f99aa"},"schema_version":"1.0"},"canonical_sha256":"1f8c736e959d80e864aed28d9892ac14d4fec087ea0a08aefdf791eaa085a14e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-26T01:03:01.170571Z","signature_b64":"633srWivO2V+zx/BKxVzLizI/bOywU0CF1IXmYmUL863Rj7s7fHoH4nBUvZ+28Y8awoY8BfokA1LlBqCj1VUBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1f8c736e959d80e864aed28d9892ac14d4fec087ea0a08aefdf791eaa085a14e","last_reissued_at":"2026-05-26T01:03:01.169919Z","signature_status":"signed_v1","first_computed_at":"2026-05-26T01:03:01.169919Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2605.24347","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":"2026-05-26T01:03:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wELnGSxcE8WYQHeMX5Si8HdkL3WhqjMdLXXt6jMA76+6LD+LJBUSV5+LEoB4IZWmhnCVZGsbAq6McrrxDRqIDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T22:33:16.468731Z"},"content_sha256":"2e7d23ac6ab6f79a17a93d541bd0f169c2f03f66bf029c13502c581cd237379b","schema_version":"1.0","event_id":"sha256:2e7d23ac6ab6f79a17a93d541bd0f169c2f03f66bf029c13502c581cd237379b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:D6GHG3UVTWAOQZFO2KGZREVMCT","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Evolution of a long-period Cataclysmic Variable from the viewpoint of the donor star: the case of SDSS J085210.48+783246.6","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"B.T. Gaensicke, D. Belloni, G. Tovmassian, I. Mora Zamora, J. Echevarria, K. Inight, M.R. Schreiber, P. D'Avanzo, P. Ochner, R. Ashley, S. Zharikov","submitted_at":"2026-05-23T02:18:32Z","abstract_excerpt":"Cataclysmic variables were long considered to be close binaries consisting of a white dwarf and a Roche-lobe-filling, near-zero-age main-sequence (ZAMS) red or brown dwarf. Recent massive surveys have uncovered an increasing number of binaries with similar spectral characteristics but harboring secondary stars that have undergone nuclear evolution and partial envelope stripping, many with orbital periods far exceeding the normal upper limits for ordinary CVs. We present a detailed study of a newly discovered CV with a 17.109 h period and determine its basic stellar parameters. We also discuss "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.24347","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/2605.24347/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":"2026-05-26T01:03:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SdPrLZ25ne0c7J0a5CyX/vF5CD2GAc1rndA79Q9airttevkPIAcAf4wmlgWcX0zFB40KHBfcV56lJdWefnGlCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T22:33:16.469524Z"},"content_sha256":"9659cf4b427b56481572d379126330be9e66477a10324f81abb245d19adccbfc","schema_version":"1.0","event_id":"sha256:9659cf4b427b56481572d379126330be9e66477a10324f81abb245d19adccbfc"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/D6GHG3UVTWAOQZFO2KGZREVMCT/bundle.json","state_url":"https://pith.science/pith/D6GHG3UVTWAOQZFO2KGZREVMCT/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/D6GHG3UVTWAOQZFO2KGZREVMCT/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":"2026-05-30T22:33:16Z","links":{"resolver":"https://pith.science/pith/D6GHG3UVTWAOQZFO2KGZREVMCT","bundle":"https://pith.science/pith/D6GHG3UVTWAOQZFO2KGZREVMCT/bundle.json","state":"https://pith.science/pith/D6GHG3UVTWAOQZFO2KGZREVMCT/state.json","well_known_bundle":"https://pith.science/.well-known/pith/D6GHG3UVTWAOQZFO2KGZREVMCT/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:D6GHG3UVTWAOQZFO2KGZREVMCT","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":"6ce591dcda20cd2dca4f8054f4bf1f8682b51e3b75ba772d064bae17cf8f99aa","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2026-05-23T02:18:32Z","title_canon_sha256":"f773b1beb8aed5cfef31e201f555592b57fd2c06e7b1326fa21ec2724f4e60a1"},"schema_version":"1.0","source":{"id":"2605.24347","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2605.24347","created_at":"2026-05-26T01:03:01Z"},{"alias_kind":"arxiv_version","alias_value":"2605.24347v1","created_at":"2026-05-26T01:03:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.24347","created_at":"2026-05-26T01:03:01Z"},{"alias_kind":"pith_short_12","alias_value":"D6GHG3UVTWAO","created_at":"2026-05-26T01:03:01Z"},{"alias_kind":"pith_short_16","alias_value":"D6GHG3UVTWAOQZFO","created_at":"2026-05-26T01:03:01Z"},{"alias_kind":"pith_short_8","alias_value":"D6GHG3UV","created_at":"2026-05-26T01:03:01Z"}],"graph_snapshots":[{"event_id":"sha256:9659cf4b427b56481572d379126330be9e66477a10324f81abb245d19adccbfc","target":"graph","created_at":"2026-05-26T01:03:01Z","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/2605.24347/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Cataclysmic variables were long considered to be close binaries consisting of a white dwarf and a Roche-lobe-filling, near-zero-age main-sequence (ZAMS) red or brown dwarf. Recent massive surveys have uncovered an increasing number of binaries with similar spectral characteristics but harboring secondary stars that have undergone nuclear evolution and partial envelope stripping, many with orbital periods far exceeding the normal upper limits for ordinary CVs. We present a detailed study of a newly discovered CV with a 17.109 h period and determine its basic stellar parameters. We also discuss ","authors_text":"B.T. Gaensicke, D. Belloni, G. Tovmassian, I. Mora Zamora, J. Echevarria, K. Inight, M.R. Schreiber, P. D'Avanzo, P. Ochner, R. Ashley, S. Zharikov","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2026-05-23T02:18:32Z","title":"Evolution of a long-period Cataclysmic Variable from the viewpoint of the donor star: the case of SDSS J085210.48+783246.6"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.24347","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":"sha256:2e7d23ac6ab6f79a17a93d541bd0f169c2f03f66bf029c13502c581cd237379b","target":"record","created_at":"2026-05-26T01:03:01Z","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":"6ce591dcda20cd2dca4f8054f4bf1f8682b51e3b75ba772d064bae17cf8f99aa","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2026-05-23T02:18:32Z","title_canon_sha256":"f773b1beb8aed5cfef31e201f555592b57fd2c06e7b1326fa21ec2724f4e60a1"},"schema_version":"1.0","source":{"id":"2605.24347","kind":"arxiv","version":1}},"canonical_sha256":"1f8c736e959d80e864aed28d9892ac14d4fec087ea0a08aefdf791eaa085a14e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1f8c736e959d80e864aed28d9892ac14d4fec087ea0a08aefdf791eaa085a14e","first_computed_at":"2026-05-26T01:03:01.169919Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-26T01:03:01.169919Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"633srWivO2V+zx/BKxVzLizI/bOywU0CF1IXmYmUL863Rj7s7fHoH4nBUvZ+28Y8awoY8BfokA1LlBqCj1VUBA==","signature_status":"signed_v1","signed_at":"2026-05-26T01:03:01.170571Z","signed_message":"canonical_sha256_bytes"},"source_id":"2605.24347","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2e7d23ac6ab6f79a17a93d541bd0f169c2f03f66bf029c13502c581cd237379b","sha256:9659cf4b427b56481572d379126330be9e66477a10324f81abb245d19adccbfc"],"state_sha256":"51974b9ef80af10828e5f2730cbec35ebb7f016325d1ccddb3e4967403028991"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TGSsJMgB7+nuwaLwhgp5GZECbkJlzSVnqbaH4KVWcJpnlt/4U7lpHx8mtac/Z6xGmhcUtOux7WYEeZH6L1/zAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T22:33:16.472720Z","bundle_sha256":"d954cf017fd6f793e8c304e4f100086d7d2ab321b5475c2003d18e3e640429a1"}}