{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:AGT5BOB2TBUY4GKZS4MYVEACLM","short_pith_number":"pith:AGT5BOB2","canonical_record":{"source":{"id":"2501.09003","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2025-01-15T18:33:26Z","cross_cats_sorted":[],"title_canon_sha256":"63ffcd9ac06a69772e43324e10895802f47b91c4c8ba3a40bcc4f975f9d703f7","abstract_canon_sha256":"29953fcc8a48433f8e44796fb9b007a65d19fe7c7cb55c5dfad83522c75e03bb"},"schema_version":"1.0"},"canonical_sha256":"01a7d0b83a98698e195997198a90025b0863555fd34afae2d914b80a57041b20","source":{"kind":"arxiv","id":"2501.09003","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2501.09003","created_at":"2026-07-05T10:16:19Z"},{"alias_kind":"arxiv_version","alias_value":"2501.09003v1","created_at":"2026-07-05T10:16:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2501.09003","created_at":"2026-07-05T10:16:19Z"},{"alias_kind":"pith_short_12","alias_value":"AGT5BOB2TBUY","created_at":"2026-07-05T10:16:19Z"},{"alias_kind":"pith_short_16","alias_value":"AGT5BOB2TBUY4GKZ","created_at":"2026-07-05T10:16:19Z"},{"alias_kind":"pith_short_8","alias_value":"AGT5BOB2","created_at":"2026-07-05T10:16:19Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:AGT5BOB2TBUY4GKZS4MYVEACLM","target":"record","payload":{"canonical_record":{"source":{"id":"2501.09003","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2025-01-15T18:33:26Z","cross_cats_sorted":[],"title_canon_sha256":"63ffcd9ac06a69772e43324e10895802f47b91c4c8ba3a40bcc4f975f9d703f7","abstract_canon_sha256":"29953fcc8a48433f8e44796fb9b007a65d19fe7c7cb55c5dfad83522c75e03bb"},"schema_version":"1.0"},"canonical_sha256":"01a7d0b83a98698e195997198a90025b0863555fd34afae2d914b80a57041b20","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:16:19.360774Z","signature_b64":"qi5DT9r58BWDRYvLbhpe7sp00uLyzL+h42ZJbE0cATqaaneui2WS3/54W0NZtltTro93mPc8MGb2/X8DzNxRDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"01a7d0b83a98698e195997198a90025b0863555fd34afae2d914b80a57041b20","last_reissued_at":"2026-07-05T10:16:19.360261Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:16:19.360261Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2501.09003","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":"2026-07-05T10:16:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZvbC8rNzrRdXPJ6Ra1zI5fBNCjiIUukyWqc6j9/KPNsA+Q3A7KJTLYEQkiHUyKUqbuthjI5bfnSBaiPWDKUrDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-14T06:41:16.964256Z"},"content_sha256":"fc459abca9bd3e45d2314eaee434a19d39d6461a78d983d17031421ac265c984","schema_version":"1.0","event_id":"sha256:fc459abca9bd3e45d2314eaee434a19d39d6461a78d983d17031421ac265c984"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:AGT5BOB2TBUY4GKZS4MYVEACLM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Searching for new variable white dwarfs: The discovery of the three new pulsating and three new binary systems","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Alina Istrate, Ingrid Pelisoli, Jacob M. Hibbert, Larissa Antunes Amaral, Maja Vu\\v{c}kovi\\'c, S. O. Kepler","submitted_at":"2025-01-15T18:33:26Z","abstract_excerpt":"In recent years, approximately 150 low-mass white dwarfs (WDs), typically with masses below 0.4 solar masses, have been discovered. Observational evidence indicates that most of these low-mass WDs are found in binary systems, supporting binary evolution scenarios as the primary formation pathway.\n  A few extremely low-mass (ELM) WDs in this population have also been found to be pulsationally variable. In this work, we present a comprehensive analysis aimed at identifying new variable low-mass WDs. From our candidate selection, we observed 16 objects identified within the ZZ Ceti instability st"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2501.09003","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/2501.09003/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":"2026-07-05T10:16:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nQkitjots55qA1MpLF+W8Hi4N42z1gB2/ij2oGZKPh0zaYDxJK2UZv3+Kd22u0HAW/1nWocj2E1zHM0adkfMBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-14T06:41:16.964644Z"},"content_sha256":"c02b2e4f13112cffc7c0d4896bc4e001bc6e3a881afe68444e43492437887e2a","schema_version":"1.0","event_id":"sha256:c02b2e4f13112cffc7c0d4896bc4e001bc6e3a881afe68444e43492437887e2a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/AGT5BOB2TBUY4GKZS4MYVEACLM/bundle.json","state_url":"https://pith.science/pith/AGT5BOB2TBUY4GKZS4MYVEACLM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/AGT5BOB2TBUY4GKZS4MYVEACLM/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":"2026-08-14T06:41:16Z","links":{"resolver":"https://pith.science/pith/AGT5BOB2TBUY4GKZS4MYVEACLM","bundle":"https://pith.science/pith/AGT5BOB2TBUY4GKZS4MYVEACLM/bundle.json","state":"https://pith.science/pith/AGT5BOB2TBUY4GKZS4MYVEACLM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/AGT5BOB2TBUY4GKZS4MYVEACLM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:AGT5BOB2TBUY4GKZS4MYVEACLM","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":"29953fcc8a48433f8e44796fb9b007a65d19fe7c7cb55c5dfad83522c75e03bb","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2025-01-15T18:33:26Z","title_canon_sha256":"63ffcd9ac06a69772e43324e10895802f47b91c4c8ba3a40bcc4f975f9d703f7"},"schema_version":"1.0","source":{"id":"2501.09003","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2501.09003","created_at":"2026-07-05T10:16:19Z"},{"alias_kind":"arxiv_version","alias_value":"2501.09003v1","created_at":"2026-07-05T10:16:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2501.09003","created_at":"2026-07-05T10:16:19Z"},{"alias_kind":"pith_short_12","alias_value":"AGT5BOB2TBUY","created_at":"2026-07-05T10:16:19Z"},{"alias_kind":"pith_short_16","alias_value":"AGT5BOB2TBUY4GKZ","created_at":"2026-07-05T10:16:19Z"},{"alias_kind":"pith_short_8","alias_value":"AGT5BOB2","created_at":"2026-07-05T10:16:19Z"}],"graph_snapshots":[{"event_id":"sha256:c02b2e4f13112cffc7c0d4896bc4e001bc6e3a881afe68444e43492437887e2a","target":"graph","created_at":"2026-07-05T10:16:19Z","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/2501.09003/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In recent years, approximately 150 low-mass white dwarfs (WDs), typically with masses below 0.4 solar masses, have been discovered. Observational evidence indicates that most of these low-mass WDs are found in binary systems, supporting binary evolution scenarios as the primary formation pathway.\n  A few extremely low-mass (ELM) WDs in this population have also been found to be pulsationally variable. In this work, we present a comprehensive analysis aimed at identifying new variable low-mass WDs. From our candidate selection, we observed 16 objects identified within the ZZ Ceti instability st","authors_text":"Alina Istrate, Ingrid Pelisoli, Jacob M. Hibbert, Larissa Antunes Amaral, Maja Vu\\v{c}kovi\\'c, S. O. Kepler","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2025-01-15T18:33:26Z","title":"Searching for new variable white dwarfs: The discovery of the three new pulsating and three new binary systems"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2501.09003","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:fc459abca9bd3e45d2314eaee434a19d39d6461a78d983d17031421ac265c984","target":"record","created_at":"2026-07-05T10:16:19Z","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":"29953fcc8a48433f8e44796fb9b007a65d19fe7c7cb55c5dfad83522c75e03bb","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2025-01-15T18:33:26Z","title_canon_sha256":"63ffcd9ac06a69772e43324e10895802f47b91c4c8ba3a40bcc4f975f9d703f7"},"schema_version":"1.0","source":{"id":"2501.09003","kind":"arxiv","version":1}},"canonical_sha256":"01a7d0b83a98698e195997198a90025b0863555fd34afae2d914b80a57041b20","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"01a7d0b83a98698e195997198a90025b0863555fd34afae2d914b80a57041b20","first_computed_at":"2026-07-05T10:16:19.360261Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:16:19.360261Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"qi5DT9r58BWDRYvLbhpe7sp00uLyzL+h42ZJbE0cATqaaneui2WS3/54W0NZtltTro93mPc8MGb2/X8DzNxRDw==","signature_status":"signed_v1","signed_at":"2026-07-05T10:16:19.360774Z","signed_message":"canonical_sha256_bytes"},"source_id":"2501.09003","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:fc459abca9bd3e45d2314eaee434a19d39d6461a78d983d17031421ac265c984","sha256:c02b2e4f13112cffc7c0d4896bc4e001bc6e3a881afe68444e43492437887e2a"],"state_sha256":"ef99edb4bc6366c852eea751aa758308457e70cc6cda7dd7901a556aa8163745"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cDLJ5mzNep+s7X//46LVQPC9RAwc0iQ2p/yyC+z9PQ0JNrPB+yd8SL1HlmvsM9+fYjOxUFv1q5l29Mws0jQyAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-14T06:41:16.967666Z","bundle_sha256":"e48b7596b16def4fb1718f32f6281eeac3f625301e251d4ce74993081f41ed5a"}}