{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:UIANL3STDS2SNLHGKZ63A55GPF","short_pith_number":"pith:UIANL3ST","canonical_record":{"source":{"id":"2401.04178","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2024-01-08T19:00:09Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"c1516324606642d9b1e9b3bcc7df3e67e805fda0b18726b8cb6a9221e20b5a62","abstract_canon_sha256":"1414ff5cca2a015c27cae67679fef1b2450cca213729cf3a94e820fb4909b879"},"schema_version":"1.0"},"canonical_sha256":"a200d5ee531cb526ace6567db077a679697f63a2cb2f478e9166ae0e6a7a8737","source":{"kind":"arxiv","id":"2401.04178","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2401.04178","created_at":"2026-07-05T07:31:39Z"},{"alias_kind":"arxiv_version","alias_value":"2401.04178v1","created_at":"2026-07-05T07:31:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2401.04178","created_at":"2026-07-05T07:31:39Z"},{"alias_kind":"pith_short_12","alias_value":"UIANL3STDS2S","created_at":"2026-07-05T07:31:39Z"},{"alias_kind":"pith_short_16","alias_value":"UIANL3STDS2SNLHG","created_at":"2026-07-05T07:31:39Z"},{"alias_kind":"pith_short_8","alias_value":"UIANL3ST","created_at":"2026-07-05T07:31:39Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:UIANL3STDS2SNLHGKZ63A55GPF","target":"record","payload":{"canonical_record":{"source":{"id":"2401.04178","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2024-01-08T19:00:09Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"c1516324606642d9b1e9b3bcc7df3e67e805fda0b18726b8cb6a9221e20b5a62","abstract_canon_sha256":"1414ff5cca2a015c27cae67679fef1b2450cca213729cf3a94e820fb4909b879"},"schema_version":"1.0"},"canonical_sha256":"a200d5ee531cb526ace6567db077a679697f63a2cb2f478e9166ae0e6a7a8737","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T07:31:39.173668Z","signature_b64":"7dV94bqTcPuoHvdIAn1PXr6UMxscVwAvBpa26igVX6qwLwDlh7rgPJeAiDACAIxaQj3YP4xrhan3TCz8nkSYCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a200d5ee531cb526ace6567db077a679697f63a2cb2f478e9166ae0e6a7a8737","last_reissued_at":"2026-07-05T07:31:39.173140Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T07:31:39.173140Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2401.04178","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":"2026-07-05T07:31:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6krcMmcCkVmUKj391Iak3Fv8e9VVWcpiWKVSIH0GLe20wyuCAxANy2MhM1bR40Hk4s24Z3wIontn8FpD6WvAAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T12:40:34.259140Z"},"content_sha256":"1412bbe1960136f06dce6455ea2413128240b766d0aba1a1f4e0238abeb637b6","schema_version":"1.0","event_id":"sha256:1412bbe1960136f06dce6455ea2413128240b766d0aba1a1f4e0238abeb637b6"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:UIANL3STDS2SNLHGKZ63A55GPF","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A Joint SRG/eROSITA + ZTF Search: Discovery of a 97-min Period Eclipsing Cataclysmic Variable with Evidence of a Brown Dwarf Secondary","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.HE","authors_text":"Alexander Sklyanov, Antonio C. Rodriguez, Ben Rusholme, Boris T. G\\\"ansicke, Eldar Irtuganov, Ilaria Caiazzo, Ilfan Bikmaev, Ilkham Galiullin, Irek Khamitov, Jan van Roestel, Kareem El-Badry, Lev Yungelson, Marat Gilfanov, Mark Gorbachev, Matthew J. Graham, Mikhail Buntov, Mikhail Suslikov, Nail Sakhibullin, Paula Szkody, Pavel Medvedev, Rashid Sunyaev, Reed Riddle, Russ R. Laher, Rustam Gumerov, Shrinivas R. Kulkarni, Thomas A. Prince, Zachary P. Vanderbosch","submitted_at":"2024-01-08T19:00:09Z","abstract_excerpt":"Cataclysmic variables (CVs) that have evolved past the period minimum during their lifetimes are predicted to be systems with a brown dwarf donor. While population synthesis models predict that around $\\approx 40-70\\%$ of the Galactic CVs are post-period minimum systems referred to as \"period bouncers\", only a few dozen confirmed systems are known. We report the study and characterisation of a new eclipsing CV, SRGeJ041130.3+685350 (SRGeJ0411), discovered from a joint SRG/eROSITA and ZTF program. The optical spectrum of SRGeJ0411 shows prominent hydrogen and helium emission lines, typical for "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2401.04178","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/2401.04178/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":"2026-07-05T07:31:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gVpm3zAWUD1wzQ+eEVS+tH+mEQdaiE+aCbqXsB+G1WCfkpyIGlpQ2XehvjJztkEu9asnf2utpJAR3lGlf/BMDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T12:40:34.259928Z"},"content_sha256":"3205f01e9bddd76f3a8abde58877c902f1f15fcefcde7a39681d5605c6d428b4","schema_version":"1.0","event_id":"sha256:3205f01e9bddd76f3a8abde58877c902f1f15fcefcde7a39681d5605c6d428b4"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/UIANL3STDS2SNLHGKZ63A55GPF/bundle.json","state_url":"https://pith.science/pith/UIANL3STDS2SNLHGKZ63A55GPF/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/UIANL3STDS2SNLHGKZ63A55GPF/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":"2026-08-07T12:40:34Z","links":{"resolver":"https://pith.science/pith/UIANL3STDS2SNLHGKZ63A55GPF","bundle":"https://pith.science/pith/UIANL3STDS2SNLHGKZ63A55GPF/bundle.json","state":"https://pith.science/pith/UIANL3STDS2SNLHGKZ63A55GPF/state.json","well_known_bundle":"https://pith.science/.well-known/pith/UIANL3STDS2SNLHGKZ63A55GPF/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:UIANL3STDS2SNLHGKZ63A55GPF","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":"1414ff5cca2a015c27cae67679fef1b2450cca213729cf3a94e820fb4909b879","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2024-01-08T19:00:09Z","title_canon_sha256":"c1516324606642d9b1e9b3bcc7df3e67e805fda0b18726b8cb6a9221e20b5a62"},"schema_version":"1.0","source":{"id":"2401.04178","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2401.04178","created_at":"2026-07-05T07:31:39Z"},{"alias_kind":"arxiv_version","alias_value":"2401.04178v1","created_at":"2026-07-05T07:31:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2401.04178","created_at":"2026-07-05T07:31:39Z"},{"alias_kind":"pith_short_12","alias_value":"UIANL3STDS2S","created_at":"2026-07-05T07:31:39Z"},{"alias_kind":"pith_short_16","alias_value":"UIANL3STDS2SNLHG","created_at":"2026-07-05T07:31:39Z"},{"alias_kind":"pith_short_8","alias_value":"UIANL3ST","created_at":"2026-07-05T07:31:39Z"}],"graph_snapshots":[{"event_id":"sha256:3205f01e9bddd76f3a8abde58877c902f1f15fcefcde7a39681d5605c6d428b4","target":"graph","created_at":"2026-07-05T07:31:39Z","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/2401.04178/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Cataclysmic variables (CVs) that have evolved past the period minimum during their lifetimes are predicted to be systems with a brown dwarf donor. While population synthesis models predict that around $\\approx 40-70\\%$ of the Galactic CVs are post-period minimum systems referred to as \"period bouncers\", only a few dozen confirmed systems are known. We report the study and characterisation of a new eclipsing CV, SRGeJ041130.3+685350 (SRGeJ0411), discovered from a joint SRG/eROSITA and ZTF program. The optical spectrum of SRGeJ0411 shows prominent hydrogen and helium emission lines, typical for ","authors_text":"Alexander Sklyanov, Antonio C. Rodriguez, Ben Rusholme, Boris T. G\\\"ansicke, Eldar Irtuganov, Ilaria Caiazzo, Ilfan Bikmaev, Ilkham Galiullin, Irek Khamitov, Jan van Roestel, Kareem El-Badry, Lev Yungelson, Marat Gilfanov, Mark Gorbachev, Matthew J. Graham, Mikhail Buntov, Mikhail Suslikov, Nail Sakhibullin, Paula Szkody, Pavel Medvedev, Rashid Sunyaev, Reed Riddle, Russ R. Laher, Rustam Gumerov, Shrinivas R. Kulkarni, Thomas A. Prince, Zachary P. Vanderbosch","cross_cats":["astro-ph.SR"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2024-01-08T19:00:09Z","title":"A Joint SRG/eROSITA + ZTF Search: Discovery of a 97-min Period Eclipsing Cataclysmic Variable with Evidence of a Brown Dwarf Secondary"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2401.04178","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":"sha256:1412bbe1960136f06dce6455ea2413128240b766d0aba1a1f4e0238abeb637b6","target":"record","created_at":"2026-07-05T07:31:39Z","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":"1414ff5cca2a015c27cae67679fef1b2450cca213729cf3a94e820fb4909b879","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2024-01-08T19:00:09Z","title_canon_sha256":"c1516324606642d9b1e9b3bcc7df3e67e805fda0b18726b8cb6a9221e20b5a62"},"schema_version":"1.0","source":{"id":"2401.04178","kind":"arxiv","version":1}},"canonical_sha256":"a200d5ee531cb526ace6567db077a679697f63a2cb2f478e9166ae0e6a7a8737","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a200d5ee531cb526ace6567db077a679697f63a2cb2f478e9166ae0e6a7a8737","first_computed_at":"2026-07-05T07:31:39.173140Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T07:31:39.173140Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"7dV94bqTcPuoHvdIAn1PXr6UMxscVwAvBpa26igVX6qwLwDlh7rgPJeAiDACAIxaQj3YP4xrhan3TCz8nkSYCA==","signature_status":"signed_v1","signed_at":"2026-07-05T07:31:39.173668Z","signed_message":"canonical_sha256_bytes"},"source_id":"2401.04178","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1412bbe1960136f06dce6455ea2413128240b766d0aba1a1f4e0238abeb637b6","sha256:3205f01e9bddd76f3a8abde58877c902f1f15fcefcde7a39681d5605c6d428b4"],"state_sha256":"ad70cf354df9ccac7b706c34379ad5c2e46baf18e039d3f6762823ce540ba5d4"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sBCaGagYtwM1+9VYJugTkF7SGtFYAC5BOQHk2WReFdeWoclVtAjj2vlsIls4HHOa1C3etdF898OQb+8cW3tXBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-07T12:40:34.264132Z","bundle_sha256":"58b7d6666f0260cfa9cc78805276caccc701a22aae386fb032ddd982b30cbffd"}}