{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:LDRNOBDZJL23R75N5FS33WE2HZ","short_pith_number":"pith:LDRNOBDZ","canonical_record":{"source":{"id":"1302.3975","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-02-16T16:02:40Z","cross_cats_sorted":[],"title_canon_sha256":"b8234538a931194c004fd243302416cf75b2f030d114e6a86bcb6b72064e61b1","abstract_canon_sha256":"47d1863f201d011faf40f8b447b850188ef80b1e7c120cb2617e70fc60b8ac59"},"schema_version":"1.0"},"canonical_sha256":"58e2d704794af5b8ffade965bdd89a3e453cd984b6212911e3ba5710ce7abf61","source":{"kind":"arxiv","id":"1302.3975","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1302.3975","created_at":"2026-05-18T01:51:36Z"},{"alias_kind":"arxiv_version","alias_value":"1302.3975v1","created_at":"2026-05-18T01:51:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1302.3975","created_at":"2026-05-18T01:51:36Z"},{"alias_kind":"pith_short_12","alias_value":"LDRNOBDZJL23","created_at":"2026-05-18T12:27:51Z"},{"alias_kind":"pith_short_16","alias_value":"LDRNOBDZJL23R75N","created_at":"2026-05-18T12:27:51Z"},{"alias_kind":"pith_short_8","alias_value":"LDRNOBDZ","created_at":"2026-05-18T12:27:51Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:LDRNOBDZJL23R75N5FS33WE2HZ","target":"record","payload":{"canonical_record":{"source":{"id":"1302.3975","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-02-16T16:02:40Z","cross_cats_sorted":[],"title_canon_sha256":"b8234538a931194c004fd243302416cf75b2f030d114e6a86bcb6b72064e61b1","abstract_canon_sha256":"47d1863f201d011faf40f8b447b850188ef80b1e7c120cb2617e70fc60b8ac59"},"schema_version":"1.0"},"canonical_sha256":"58e2d704794af5b8ffade965bdd89a3e453cd984b6212911e3ba5710ce7abf61","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:51:36.030366Z","signature_b64":"ENxMpKIjiBBuKKBtg9ON4bGd1pOA+2mqlWAMsfJMG/c3nH3glEDWUmJ/qx7qLWCCpJhi9uvchMocg1pKoQ/5Ag==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"58e2d704794af5b8ffade965bdd89a3e453cd984b6212911e3ba5710ce7abf61","last_reissued_at":"2026-05-18T01:51:36.029948Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:51:36.029948Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1302.3975","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":"2026-05-18T01:51:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"I9zrAyDJ/Oi7TvVqurHUFaDx9GK6jBOW3Oaf3MfoDzQ5t+oiqKVXvISCadXiKZ+mOSkyO7K1hpjBdGYmSJ46BA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-25T18:49:28.349752Z"},"content_sha256":"6bf6f21d87c8321c4fc7a84bd7721a95cf7127746df35ff5e1094bee042e5da8","schema_version":"1.0","event_id":"sha256:6bf6f21d87c8321c4fc7a84bd7721a95cf7127746df35ff5e1094bee042e5da8"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:LDRNOBDZJL23R75N5FS33WE2HZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Spectroscopy of New and Poorly Known Cataclysmic Variables in the Kepler Field","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Alan Smale, Gavin Ramsay, John Cannizzo, Mark E. Everett, Martin Still, Matt Wood, Paula Szkody, Sally A. Seebode, Steve B. Howell","submitted_at":"2013-02-16T16:02:40Z","abstract_excerpt":"The NASA {\\it Kepler} mission has been in science operation since May 2009 and is providing high precision, high cadence light curves of over 150,000 targets. Prior to launch, nine cataclysmic variables were known to lie within {\\it Kepler's} field of view. We present spectroscopy for seven systems, four of which were newly discovered since launch. All of the stars presented herein have been observed by, or are currently being observed by, the {\\it Kepler} space telescope. Three historic systems and one new candidate could not be detected at their sky position and two candidates are called int"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1302.3975","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":""},"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":"2026-05-18T01:51:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lvcNcTOXFP2lsFOs3goZ3aTWgkTASc3lpeoVe4RyEl38LGMXkuHkXdjGaggSSeT9skpxMZO4habUWs5UlS3GCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-25T18:49:28.350132Z"},"content_sha256":"05449eaeae530a050e21bfc921d32bdc10aaecd89f3a8ad7c66a58a869cc0976","schema_version":"1.0","event_id":"sha256:05449eaeae530a050e21bfc921d32bdc10aaecd89f3a8ad7c66a58a869cc0976"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LDRNOBDZJL23R75N5FS33WE2HZ/bundle.json","state_url":"https://pith.science/pith/LDRNOBDZJL23R75N5FS33WE2HZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LDRNOBDZJL23R75N5FS33WE2HZ/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":"2026-06-25T18:49:28Z","links":{"resolver":"https://pith.science/pith/LDRNOBDZJL23R75N5FS33WE2HZ","bundle":"https://pith.science/pith/LDRNOBDZJL23R75N5FS33WE2HZ/bundle.json","state":"https://pith.science/pith/LDRNOBDZJL23R75N5FS33WE2HZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LDRNOBDZJL23R75N5FS33WE2HZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:LDRNOBDZJL23R75N5FS33WE2HZ","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":"47d1863f201d011faf40f8b447b850188ef80b1e7c120cb2617e70fc60b8ac59","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-02-16T16:02:40Z","title_canon_sha256":"b8234538a931194c004fd243302416cf75b2f030d114e6a86bcb6b72064e61b1"},"schema_version":"1.0","source":{"id":"1302.3975","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1302.3975","created_at":"2026-05-18T01:51:36Z"},{"alias_kind":"arxiv_version","alias_value":"1302.3975v1","created_at":"2026-05-18T01:51:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1302.3975","created_at":"2026-05-18T01:51:36Z"},{"alias_kind":"pith_short_12","alias_value":"LDRNOBDZJL23","created_at":"2026-05-18T12:27:51Z"},{"alias_kind":"pith_short_16","alias_value":"LDRNOBDZJL23R75N","created_at":"2026-05-18T12:27:51Z"},{"alias_kind":"pith_short_8","alias_value":"LDRNOBDZ","created_at":"2026-05-18T12:27:51Z"}],"graph_snapshots":[{"event_id":"sha256:05449eaeae530a050e21bfc921d32bdc10aaecd89f3a8ad7c66a58a869cc0976","target":"graph","created_at":"2026-05-18T01:51:36Z","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"},"paper":{"abstract_excerpt":"The NASA {\\it Kepler} mission has been in science operation since May 2009 and is providing high precision, high cadence light curves of over 150,000 targets. Prior to launch, nine cataclysmic variables were known to lie within {\\it Kepler's} field of view. We present spectroscopy for seven systems, four of which were newly discovered since launch. All of the stars presented herein have been observed by, or are currently being observed by, the {\\it Kepler} space telescope. Three historic systems and one new candidate could not be detected at their sky position and two candidates are called int","authors_text":"Alan Smale, Gavin Ramsay, John Cannizzo, Mark E. Everett, Martin Still, Matt Wood, Paula Szkody, Sally A. Seebode, Steve B. Howell","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-02-16T16:02:40Z","title":"Spectroscopy of New and Poorly Known Cataclysmic Variables in the Kepler Field"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1302.3975","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":"sha256:6bf6f21d87c8321c4fc7a84bd7721a95cf7127746df35ff5e1094bee042e5da8","target":"record","created_at":"2026-05-18T01:51:36Z","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":"47d1863f201d011faf40f8b447b850188ef80b1e7c120cb2617e70fc60b8ac59","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-02-16T16:02:40Z","title_canon_sha256":"b8234538a931194c004fd243302416cf75b2f030d114e6a86bcb6b72064e61b1"},"schema_version":"1.0","source":{"id":"1302.3975","kind":"arxiv","version":1}},"canonical_sha256":"58e2d704794af5b8ffade965bdd89a3e453cd984b6212911e3ba5710ce7abf61","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"58e2d704794af5b8ffade965bdd89a3e453cd984b6212911e3ba5710ce7abf61","first_computed_at":"2026-05-18T01:51:36.029948Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:51:36.029948Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ENxMpKIjiBBuKKBtg9ON4bGd1pOA+2mqlWAMsfJMG/c3nH3glEDWUmJ/qx7qLWCCpJhi9uvchMocg1pKoQ/5Ag==","signature_status":"signed_v1","signed_at":"2026-05-18T01:51:36.030366Z","signed_message":"canonical_sha256_bytes"},"source_id":"1302.3975","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6bf6f21d87c8321c4fc7a84bd7721a95cf7127746df35ff5e1094bee042e5da8","sha256:05449eaeae530a050e21bfc921d32bdc10aaecd89f3a8ad7c66a58a869cc0976"],"state_sha256":"10e5befd655c7d3872f35c75cf36fa12c98f2ca4329e69d818864338381814c1"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LX2P39JbyxQl2OZzBJYzTeYZ+I1IE/FkiPTjh2ZQOUmWUCAh/VORLOH62K5ggANZ9Py9g54D4eXlPY+sv0R8Bw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-25T18:49:28.352116Z","bundle_sha256":"3d2e43040d78bb39bcf11d2b62480e592e1d492707c899345bd51cd9ecc013bd"}}