{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:ZTRFWGXLT3H5EYGUG4DRJQW55I","short_pith_number":"pith:ZTRFWGXL","canonical_record":{"source":{"id":"2607.22836","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2026-07-24T18:25:38Z","cross_cats_sorted":[],"title_canon_sha256":"cce6c93ac88b04c4942d055df21d1ebadb445dc435ff95460b6a2a1b4e9dece2","abstract_canon_sha256":"87c86bb3a7b4bfea3de3f4bb7e8664f610bdcdfde4a4e77412e63d48def308ae"},"schema_version":"1.0"},"canonical_sha256":"cce25b1aeb9ecfd260d4370714c2ddea11c013bdccee6d6d9f0b64bc934cf08f","source":{"kind":"arxiv","id":"2607.22836","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.22836","created_at":"2026-07-28T00:21:57Z"},{"alias_kind":"arxiv_version","alias_value":"2607.22836v1","created_at":"2026-07-28T00:21:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.22836","created_at":"2026-07-28T00:21:57Z"},{"alias_kind":"pith_short_12","alias_value":"ZTRFWGXLT3H5","created_at":"2026-07-28T00:21:57Z"},{"alias_kind":"pith_short_16","alias_value":"ZTRFWGXLT3H5EYGU","created_at":"2026-07-28T00:21:57Z"},{"alias_kind":"pith_short_8","alias_value":"ZTRFWGXL","created_at":"2026-07-28T00:21:57Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:ZTRFWGXLT3H5EYGUG4DRJQW55I","target":"record","payload":{"canonical_record":{"source":{"id":"2607.22836","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2026-07-24T18:25:38Z","cross_cats_sorted":[],"title_canon_sha256":"cce6c93ac88b04c4942d055df21d1ebadb445dc435ff95460b6a2a1b4e9dece2","abstract_canon_sha256":"87c86bb3a7b4bfea3de3f4bb7e8664f610bdcdfde4a4e77412e63d48def308ae"},"schema_version":"1.0"},"canonical_sha256":"cce25b1aeb9ecfd260d4370714c2ddea11c013bdccee6d6d9f0b64bc934cf08f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-28T00:21:57.393424Z","signature_b64":"vZU+pGvtX1kXX+7PUMVUrYIRy6Xqc2/s+yqjfde/YoPW/beOCtoFkHxKdRQsCKQV8OKdj98Qkj05qNyZ+RRlCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"cce25b1aeb9ecfd260d4370714c2ddea11c013bdccee6d6d9f0b64bc934cf08f","last_reissued_at":"2026-07-28T00:21:57.392538Z","signature_status":"signed_v1","first_computed_at":"2026-07-28T00:21:57.392538Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2607.22836","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":"2026-07-28T00:21:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/VlWNW80Il0ujAKdFWDyIYr8RcDogmVNKO8WFJ+Vf0+Fb8uvGiRsiFUCHrPhl0/UMFE+Ck9jjYTjJDIttScxBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T21:07:36.522878Z"},"content_sha256":"8267e1f0cf5c3c36a2b8ebd42aaea2b01feb06cf1036d35888bd9e9f114dbaf2","schema_version":"1.0","event_id":"sha256:8267e1f0cf5c3c36a2b8ebd42aaea2b01feb06cf1036d35888bd9e9f114dbaf2"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:ZTRFWGXLT3H5EYGUG4DRJQW55I","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"1000 cataclysmic variables identified from DESI spectroscopy","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"A. Aungwerojwit, A. de la Macorra, A. D. Myers, A. Font-Ribera, A. Kremin, A. Meisner, A. Swan, B. A. Weaver, Biprateep Dey, B. T. G\\\"ansicke, C. J. Manser, D. Bianchi, D. Brooks, D. Schlegel, E. Sanchez, F. Prada, G. Gutierrez, G. Rossi, G. Tarl\\'e, H. Seo, H. Zou, I. P\\'erez-R\\`afols, J. Aguilar, J. E. Forero-Romero, J. Guy, J. Moustakas, J. Najita, J. R. Thorstensen, J. Silber, K. Inight, L. Le Guillou, M. Landriau, M. Schubnell, P. Doel, P. Izquierdo, R. Joyce, R. Miquel, R. Zhou, S. Ahlen, Satya Gontcho A Gontcho, S. E. Koposov, S. Juneau, T. Claybaugh, W. J. Percival","submitted_at":"2026-07-24T18:25:38Z","abstract_excerpt":"Most cataclysmic variables (CVs) are discovered when they have an outburst generating an inherent selection bias against CVs that rarely, or never, outburst. CVs discovered by virtue of their spectroscopic characteristics are particularly valuable to offset this bias and we have used an established machine-learning technique to assist in searching 98 966 000 spectra obtained by the Dark Energy Spectroscopic Survey (DESI) to find such CVs. DESI observations are much deeper than previous spectroscopic surveys and we have identified 1029 CVs, 221 of which are new including ten of the AM CVn subty"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.22836","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/2607.22836/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":"2026-07-28T00:21:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+pHZ+dn652tRvPm+AZgtUPnhvBYp7sqMtLHRXAKSeqv+XyiA87VP7u1WgzIqVEmapvqjNvDKdCtS8EDzHPe9Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T21:07:36.523456Z"},"content_sha256":"1f2988350444cb2eea82b3aacdf3044c757c2817d573095a1fe0acd9bcf4add0","schema_version":"1.0","event_id":"sha256:1f2988350444cb2eea82b3aacdf3044c757c2817d573095a1fe0acd9bcf4add0"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ZTRFWGXLT3H5EYGUG4DRJQW55I/bundle.json","state_url":"https://pith.science/pith/ZTRFWGXLT3H5EYGUG4DRJQW55I/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ZTRFWGXLT3H5EYGUG4DRJQW55I/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":"2026-08-03T21:07:36Z","links":{"resolver":"https://pith.science/pith/ZTRFWGXLT3H5EYGUG4DRJQW55I","bundle":"https://pith.science/pith/ZTRFWGXLT3H5EYGUG4DRJQW55I/bundle.json","state":"https://pith.science/pith/ZTRFWGXLT3H5EYGUG4DRJQW55I/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ZTRFWGXLT3H5EYGUG4DRJQW55I/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:ZTRFWGXLT3H5EYGUG4DRJQW55I","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":"87c86bb3a7b4bfea3de3f4bb7e8664f610bdcdfde4a4e77412e63d48def308ae","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2026-07-24T18:25:38Z","title_canon_sha256":"cce6c93ac88b04c4942d055df21d1ebadb445dc435ff95460b6a2a1b4e9dece2"},"schema_version":"1.0","source":{"id":"2607.22836","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.22836","created_at":"2026-07-28T00:21:57Z"},{"alias_kind":"arxiv_version","alias_value":"2607.22836v1","created_at":"2026-07-28T00:21:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.22836","created_at":"2026-07-28T00:21:57Z"},{"alias_kind":"pith_short_12","alias_value":"ZTRFWGXLT3H5","created_at":"2026-07-28T00:21:57Z"},{"alias_kind":"pith_short_16","alias_value":"ZTRFWGXLT3H5EYGU","created_at":"2026-07-28T00:21:57Z"},{"alias_kind":"pith_short_8","alias_value":"ZTRFWGXL","created_at":"2026-07-28T00:21:57Z"}],"graph_snapshots":[{"event_id":"sha256:1f2988350444cb2eea82b3aacdf3044c757c2817d573095a1fe0acd9bcf4add0","target":"graph","created_at":"2026-07-28T00:21:57Z","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/2607.22836/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Most cataclysmic variables (CVs) are discovered when they have an outburst generating an inherent selection bias against CVs that rarely, or never, outburst. CVs discovered by virtue of their spectroscopic characteristics are particularly valuable to offset this bias and we have used an established machine-learning technique to assist in searching 98 966 000 spectra obtained by the Dark Energy Spectroscopic Survey (DESI) to find such CVs. DESI observations are much deeper than previous spectroscopic surveys and we have identified 1029 CVs, 221 of which are new including ten of the AM CVn subty","authors_text":"A. Aungwerojwit, A. de la Macorra, A. D. Myers, A. Font-Ribera, A. Kremin, A. Meisner, A. Swan, B. A. Weaver, Biprateep Dey, B. T. G\\\"ansicke, C. J. Manser, D. Bianchi, D. Brooks, D. Schlegel, E. Sanchez, F. Prada, G. Gutierrez, G. Rossi, G. Tarl\\'e, H. Seo, H. Zou, I. P\\'erez-R\\`afols, J. Aguilar, J. E. Forero-Romero, J. Guy, J. Moustakas, J. Najita, J. R. Thorstensen, J. Silber, K. Inight, L. Le Guillou, M. Landriau, M. Schubnell, P. Doel, P. Izquierdo, R. Joyce, R. Miquel, R. Zhou, S. Ahlen, Satya Gontcho A Gontcho, S. E. Koposov, S. Juneau, T. Claybaugh, W. J. Percival","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2026-07-24T18:25:38Z","title":"1000 cataclysmic variables identified from DESI spectroscopy"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.22836","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":"sha256:8267e1f0cf5c3c36a2b8ebd42aaea2b01feb06cf1036d35888bd9e9f114dbaf2","target":"record","created_at":"2026-07-28T00:21:57Z","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":"87c86bb3a7b4bfea3de3f4bb7e8664f610bdcdfde4a4e77412e63d48def308ae","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2026-07-24T18:25:38Z","title_canon_sha256":"cce6c93ac88b04c4942d055df21d1ebadb445dc435ff95460b6a2a1b4e9dece2"},"schema_version":"1.0","source":{"id":"2607.22836","kind":"arxiv","version":1}},"canonical_sha256":"cce25b1aeb9ecfd260d4370714c2ddea11c013bdccee6d6d9f0b64bc934cf08f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"cce25b1aeb9ecfd260d4370714c2ddea11c013bdccee6d6d9f0b64bc934cf08f","first_computed_at":"2026-07-28T00:21:57.392538Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-28T00:21:57.392538Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"vZU+pGvtX1kXX+7PUMVUrYIRy6Xqc2/s+yqjfde/YoPW/beOCtoFkHxKdRQsCKQV8OKdj98Qkj05qNyZ+RRlCA==","signature_status":"signed_v1","signed_at":"2026-07-28T00:21:57.393424Z","signed_message":"canonical_sha256_bytes"},"source_id":"2607.22836","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8267e1f0cf5c3c36a2b8ebd42aaea2b01feb06cf1036d35888bd9e9f114dbaf2","sha256:1f2988350444cb2eea82b3aacdf3044c757c2817d573095a1fe0acd9bcf4add0"],"state_sha256":"520f6c847c8bd80067b4c30860a1a54198fe593d5b5b94edc8a0b3e8dead3f54"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Pd0o78s67o2fxof7WjBbXk6d1tNoXiKGQpPOAUxl96X3Y3Gr4b6d5V8sM95nNgHhG9UCX9UXi7GzJIsz/nKHCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-03T21:07:36.527003Z","bundle_sha256":"22719ff8d2494bfc75ff77a5adbc80bf44b20b94532f5ae23f6c4f325e307ba1"}}