{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:D5Y24QUFK3Z6PQVUGQ2QBRN4FU","short_pith_number":"pith:D5Y24QUF","canonical_record":{"source":{"id":"2501.01490","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2025-01-02T19:00:01Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"f99e68eae54e7605c020b7164a00ce5e9ecb2223b0fae1a05f00e192d9cdce6e","abstract_canon_sha256":"bd54ca2e803b48cec5c69265002ee6f8558e92c17496f3302e80c67896f5dc64"},"schema_version":"1.0"},"canonical_sha256":"1f71ae428556f3e7c2b4343500c5bc2d11a7c673e53c79e22648062faa98efa5","source":{"kind":"arxiv","id":"2501.01490","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2501.01490","created_at":"2026-07-05T09:56:25Z"},{"alias_kind":"arxiv_version","alias_value":"2501.01490v1","created_at":"2026-07-05T09:56:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2501.01490","created_at":"2026-07-05T09:56:25Z"},{"alias_kind":"pith_short_12","alias_value":"D5Y24QUFK3Z6","created_at":"2026-07-05T09:56:25Z"},{"alias_kind":"pith_short_16","alias_value":"D5Y24QUFK3Z6PQVU","created_at":"2026-07-05T09:56:25Z"},{"alias_kind":"pith_short_8","alias_value":"D5Y24QUF","created_at":"2026-07-05T09:56:25Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:D5Y24QUFK3Z6PQVUGQ2QBRN4FU","target":"record","payload":{"canonical_record":{"source":{"id":"2501.01490","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2025-01-02T19:00:01Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"f99e68eae54e7605c020b7164a00ce5e9ecb2223b0fae1a05f00e192d9cdce6e","abstract_canon_sha256":"bd54ca2e803b48cec5c69265002ee6f8558e92c17496f3302e80c67896f5dc64"},"schema_version":"1.0"},"canonical_sha256":"1f71ae428556f3e7c2b4343500c5bc2d11a7c673e53c79e22648062faa98efa5","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T09:56:25.699771Z","signature_b64":"FtZXAXR7oVonyK7NFM26SMPrQKquvlyXz17WWT+gIuTaC/UmiDLmXLSOOxYYcZQOtaNOdvA692dEzIcCxWo/Bw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1f71ae428556f3e7c2b4343500c5bc2d11a7c673e53c79e22648062faa98efa5","last_reissued_at":"2026-07-05T09:56:25.699260Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T09:56:25.699260Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2501.01490","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":"2026-07-05T09:56:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6iVHsmAJ3fltw0G/ZqFAlquAhKKXznWaiArRivWqIyu3xKX1Aotq7zoPuPPa6w6OgpRTcqfvznQX5r0pn1U6Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-20T12:51:25.115807Z"},"content_sha256":"0a75a689e949ba62b0357c1aad816b8e47fd9f1141729ca02efb6b182cfa2d08","schema_version":"1.0","event_id":"sha256:0a75a689e949ba62b0357c1aad816b8e47fd9f1141729ca02efb6b182cfa2d08"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:D5Y24QUFK3Z6PQVUGQ2QBRN4FU","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A Link Between White Dwarf Pulsars and Polars: Multiwavelength Observations of the 9.36-Minute Period Variable Gaia22ayj","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.HE"],"primary_cat":"astro-ph.SR","authors_text":"Akke Viitanen, Andrew J. Drake, Antonio C. Rodriguez, Avery Wold, Boris Gaensicke, Casey J. Law, David A. H. Buckley, Eric C. Bellm, Ilaria Caiazzo, Ilkham Galiullin, Ingrid Pelisoli, Jacob A. Kurlander, Jan van Roestel, Kareem El-Badry, Kaya Mori, Kevin Burdge, Mansi M. Kasliwal, Matthew Graham, Matthias R. Schreiber, Pablo Rodr\\'iguez-Gil, Pasi Hakala, Paula Szkody, Reed Riddle, Roger Smith, Sam Rose, Shreya Anand, Shrinivas R. Kulkarni, Stephen B. Potter, Thomas A. Prince, Tom\\'as Ahumada, Tong Bao, Tracy X. Chen, Yashvi Sharma","submitted_at":"2025-01-02T19:00:01Z","abstract_excerpt":"White dwarfs (WDs) are the most abundant compact objects, and recent surveys have suggested that over a third of WDs in accreting binaries host a strong (B $\\gtrsim$ 1 MG) magnetic field. However, the origin and evolution of WD magnetism remain under debate. Two WD pulsars, AR Sco and J191213.72-441045.1 (J1912), have been found, which are non-accreting binaries hosting rapidly spinning (1.97-min and 5.30-min, respectively) magnetic WDs. The WD in AR Sco is slowing down on a $P/\\dot{P}\\approx 5.6\\times 10^6$ yr timescale. It is believed they will eventually become polars, accreting systems in "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2501.01490","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/2501.01490/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":"2026-07-05T09:56:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/qPdcFxdQURP6x4bo9nLgMZvTaIBrCC/FIf25l9ijdp3/fDAx3cK5IKu/zijQwU3r1nGeez5h1+qs0x9eiqUBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-20T12:51:25.117214Z"},"content_sha256":"ff151fb6a1c50111e606a3aef13f2ec0ff2eb44d5436b96bccea66668520327b","schema_version":"1.0","event_id":"sha256:ff151fb6a1c50111e606a3aef13f2ec0ff2eb44d5436b96bccea66668520327b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/D5Y24QUFK3Z6PQVUGQ2QBRN4FU/bundle.json","state_url":"https://pith.science/pith/D5Y24QUFK3Z6PQVUGQ2QBRN4FU/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/D5Y24QUFK3Z6PQVUGQ2QBRN4FU/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":"2026-08-20T12:51:25Z","links":{"resolver":"https://pith.science/pith/D5Y24QUFK3Z6PQVUGQ2QBRN4FU","bundle":"https://pith.science/pith/D5Y24QUFK3Z6PQVUGQ2QBRN4FU/bundle.json","state":"https://pith.science/pith/D5Y24QUFK3Z6PQVUGQ2QBRN4FU/state.json","well_known_bundle":"https://pith.science/.well-known/pith/D5Y24QUFK3Z6PQVUGQ2QBRN4FU/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:D5Y24QUFK3Z6PQVUGQ2QBRN4FU","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":"bd54ca2e803b48cec5c69265002ee6f8558e92c17496f3302e80c67896f5dc64","cross_cats_sorted":["astro-ph.HE"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2025-01-02T19:00:01Z","title_canon_sha256":"f99e68eae54e7605c020b7164a00ce5e9ecb2223b0fae1a05f00e192d9cdce6e"},"schema_version":"1.0","source":{"id":"2501.01490","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2501.01490","created_at":"2026-07-05T09:56:25Z"},{"alias_kind":"arxiv_version","alias_value":"2501.01490v1","created_at":"2026-07-05T09:56:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2501.01490","created_at":"2026-07-05T09:56:25Z"},{"alias_kind":"pith_short_12","alias_value":"D5Y24QUFK3Z6","created_at":"2026-07-05T09:56:25Z"},{"alias_kind":"pith_short_16","alias_value":"D5Y24QUFK3Z6PQVU","created_at":"2026-07-05T09:56:25Z"},{"alias_kind":"pith_short_8","alias_value":"D5Y24QUF","created_at":"2026-07-05T09:56:25Z"}],"graph_snapshots":[{"event_id":"sha256:ff151fb6a1c50111e606a3aef13f2ec0ff2eb44d5436b96bccea66668520327b","target":"graph","created_at":"2026-07-05T09:56:25Z","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/2501.01490/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"White dwarfs (WDs) are the most abundant compact objects, and recent surveys have suggested that over a third of WDs in accreting binaries host a strong (B $\\gtrsim$ 1 MG) magnetic field. However, the origin and evolution of WD magnetism remain under debate. Two WD pulsars, AR Sco and J191213.72-441045.1 (J1912), have been found, which are non-accreting binaries hosting rapidly spinning (1.97-min and 5.30-min, respectively) magnetic WDs. The WD in AR Sco is slowing down on a $P/\\dot{P}\\approx 5.6\\times 10^6$ yr timescale. It is believed they will eventually become polars, accreting systems in ","authors_text":"Akke Viitanen, Andrew J. Drake, Antonio C. Rodriguez, Avery Wold, Boris Gaensicke, Casey J. Law, David A. H. Buckley, Eric C. Bellm, Ilaria Caiazzo, Ilkham Galiullin, Ingrid Pelisoli, Jacob A. Kurlander, Jan van Roestel, Kareem El-Badry, Kaya Mori, Kevin Burdge, Mansi M. Kasliwal, Matthew Graham, Matthias R. Schreiber, Pablo Rodr\\'iguez-Gil, Pasi Hakala, Paula Szkody, Reed Riddle, Roger Smith, Sam Rose, Shreya Anand, Shrinivas R. Kulkarni, Stephen B. Potter, Thomas A. Prince, Tom\\'as Ahumada, Tong Bao, Tracy X. Chen, Yashvi Sharma","cross_cats":["astro-ph.HE"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2025-01-02T19:00:01Z","title":"A Link Between White Dwarf Pulsars and Polars: Multiwavelength Observations of the 9.36-Minute Period Variable Gaia22ayj"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2501.01490","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":"sha256:0a75a689e949ba62b0357c1aad816b8e47fd9f1141729ca02efb6b182cfa2d08","target":"record","created_at":"2026-07-05T09:56:25Z","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":"bd54ca2e803b48cec5c69265002ee6f8558e92c17496f3302e80c67896f5dc64","cross_cats_sorted":["astro-ph.HE"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2025-01-02T19:00:01Z","title_canon_sha256":"f99e68eae54e7605c020b7164a00ce5e9ecb2223b0fae1a05f00e192d9cdce6e"},"schema_version":"1.0","source":{"id":"2501.01490","kind":"arxiv","version":1}},"canonical_sha256":"1f71ae428556f3e7c2b4343500c5bc2d11a7c673e53c79e22648062faa98efa5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1f71ae428556f3e7c2b4343500c5bc2d11a7c673e53c79e22648062faa98efa5","first_computed_at":"2026-07-05T09:56:25.699260Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T09:56:25.699260Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"FtZXAXR7oVonyK7NFM26SMPrQKquvlyXz17WWT+gIuTaC/UmiDLmXLSOOxYYcZQOtaNOdvA692dEzIcCxWo/Bw==","signature_status":"signed_v1","signed_at":"2026-07-05T09:56:25.699771Z","signed_message":"canonical_sha256_bytes"},"source_id":"2501.01490","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0a75a689e949ba62b0357c1aad816b8e47fd9f1141729ca02efb6b182cfa2d08","sha256:ff151fb6a1c50111e606a3aef13f2ec0ff2eb44d5436b96bccea66668520327b"],"state_sha256":"be0c95d2ba9328a00a08b106fc53219274b73bedd20a6c838611ce658cf94fa4"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GAL3Cfn4ezENttpTZru6knECnj2RhVmH30YhSLAyU1gQjwGAVrrp0N4kb8gCytfEFyJSEpwH7Bmq4zIfVMcSBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-20T12:51:25.125285Z","bundle_sha256":"1d439995589979e33f3ef215f9acda1f3eefd0e177ae090fa94433bae2156956"}}