{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:DARTGGVET7X2JBDIGVTR6ANUIJ","short_pith_number":"pith:DARTGGVE","canonical_record":{"source":{"id":"1310.3642","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-10-14T12:06:11Z","cross_cats_sorted":[],"title_canon_sha256":"7df0f547255279715b21a8d6b0f9b28741a0ae912603fb1126c2431b0c126faf","abstract_canon_sha256":"6dd6816acac8d68f4c5f907d3846e2958bbcd2c1bb33e8a0f6e306f987bb7f7b"},"schema_version":"1.0"},"canonical_sha256":"1823331aa49fefa4846835671f01b442772559e2f153f28bddda5d3a496c8658","source":{"kind":"arxiv","id":"1310.3642","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1310.3642","created_at":"2026-05-18T01:47:05Z"},{"alias_kind":"arxiv_version","alias_value":"1310.3642v1","created_at":"2026-05-18T01:47:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1310.3642","created_at":"2026-05-18T01:47:05Z"},{"alias_kind":"pith_short_12","alias_value":"DARTGGVET7X2","created_at":"2026-05-18T12:27:40Z"},{"alias_kind":"pith_short_16","alias_value":"DARTGGVET7X2JBDI","created_at":"2026-05-18T12:27:40Z"},{"alias_kind":"pith_short_8","alias_value":"DARTGGVE","created_at":"2026-05-18T12:27:40Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:DARTGGVET7X2JBDIGVTR6ANUIJ","target":"record","payload":{"canonical_record":{"source":{"id":"1310.3642","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-10-14T12:06:11Z","cross_cats_sorted":[],"title_canon_sha256":"7df0f547255279715b21a8d6b0f9b28741a0ae912603fb1126c2431b0c126faf","abstract_canon_sha256":"6dd6816acac8d68f4c5f907d3846e2958bbcd2c1bb33e8a0f6e306f987bb7f7b"},"schema_version":"1.0"},"canonical_sha256":"1823331aa49fefa4846835671f01b442772559e2f153f28bddda5d3a496c8658","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:47:05.843522Z","signature_b64":"7nf0C5D6WcYEoCxTVbiBLBs7+RR5sCuc2BZlnXRSYfS0iQU9I2pNcpxn2aIVU8qvlHMklA3FDmf0RPsF3WqhAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1823331aa49fefa4846835671f01b442772559e2f153f28bddda5d3a496c8658","last_reissued_at":"2026-05-18T01:47:05.842931Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:47:05.842931Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1310.3642","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":"2026-05-18T01:47:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mWCEvo+K+X0ZBCFkmDpAMs7XJrJy/S9AzHkGIq0ZlPrcEjO6mAhFY3XrIgC90dscJ1W1tp7eiTyfZSGKjsOVBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-20T01:03:50.311182Z"},"content_sha256":"da6cefbff5bd663c9e7faf53d248f0a6d0e91eb6734c6a72e64670dcadb26d3d","schema_version":"1.0","event_id":"sha256:da6cefbff5bd663c9e7faf53d248f0a6d0e91eb6734c6a72e64670dcadb26d3d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:DARTGGVET7X2JBDIGVTR6ANUIJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"High-speed photometry of faint cataclysmic variables - VIII. Targets from the Catalina Real-time Transient Survey","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"A. A. S. Gulbis, B. Warner, D. L. Coppejans, E. Koerding, H. B. Breytenbach, M. M. Kotze, M. P. E. Schurch, P. A. Woudt, R. Coppejans, S. A. Macfarlane","submitted_at":"2013-10-14T12:06:11Z","abstract_excerpt":"Time series photometry of 20 Cataclysmic Variables detected by the Catalina Real-time Transient Survey is presented. 14 of these systems have not been observed previously and only two have been examined in-depth. From the observations we determined 12 new orbital periods and independently found a further two. Eight of the CVs are eclipsing systems, five of which have eclipse depths of more than 0.9 mag. Included in the sample are six SU UMa systems (three of which show superhumps in our photometry), a polar (SSS1944-42) and one system (CSS1417-18) that displays an abnormally fast decline from "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1310.3642","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":"2026-05-18T01:47:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ClQ4/ZySlLMy01mRrFZ+3zdndSlFD5Q33CqdVcHOnpKV9mQJmrpQlYXaiUDlEApzGIKJgvN0uoCSdlUaXDT5Ag==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-20T01:03:50.311864Z"},"content_sha256":"a54fd28404a4a543d9639f7f30a89d89a49f701c037ed3abdb20d28dbdc41839","schema_version":"1.0","event_id":"sha256:a54fd28404a4a543d9639f7f30a89d89a49f701c037ed3abdb20d28dbdc41839"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DARTGGVET7X2JBDIGVTR6ANUIJ/bundle.json","state_url":"https://pith.science/pith/DARTGGVET7X2JBDIGVTR6ANUIJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DARTGGVET7X2JBDIGVTR6ANUIJ/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":"2026-05-20T01:03:50Z","links":{"resolver":"https://pith.science/pith/DARTGGVET7X2JBDIGVTR6ANUIJ","bundle":"https://pith.science/pith/DARTGGVET7X2JBDIGVTR6ANUIJ/bundle.json","state":"https://pith.science/pith/DARTGGVET7X2JBDIGVTR6ANUIJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DARTGGVET7X2JBDIGVTR6ANUIJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:DARTGGVET7X2JBDIGVTR6ANUIJ","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":"6dd6816acac8d68f4c5f907d3846e2958bbcd2c1bb33e8a0f6e306f987bb7f7b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-10-14T12:06:11Z","title_canon_sha256":"7df0f547255279715b21a8d6b0f9b28741a0ae912603fb1126c2431b0c126faf"},"schema_version":"1.0","source":{"id":"1310.3642","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1310.3642","created_at":"2026-05-18T01:47:05Z"},{"alias_kind":"arxiv_version","alias_value":"1310.3642v1","created_at":"2026-05-18T01:47:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1310.3642","created_at":"2026-05-18T01:47:05Z"},{"alias_kind":"pith_short_12","alias_value":"DARTGGVET7X2","created_at":"2026-05-18T12:27:40Z"},{"alias_kind":"pith_short_16","alias_value":"DARTGGVET7X2JBDI","created_at":"2026-05-18T12:27:40Z"},{"alias_kind":"pith_short_8","alias_value":"DARTGGVE","created_at":"2026-05-18T12:27:40Z"}],"graph_snapshots":[{"event_id":"sha256:a54fd28404a4a543d9639f7f30a89d89a49f701c037ed3abdb20d28dbdc41839","target":"graph","created_at":"2026-05-18T01:47:05Z","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":"Time series photometry of 20 Cataclysmic Variables detected by the Catalina Real-time Transient Survey is presented. 14 of these systems have not been observed previously and only two have been examined in-depth. From the observations we determined 12 new orbital periods and independently found a further two. Eight of the CVs are eclipsing systems, five of which have eclipse depths of more than 0.9 mag. Included in the sample are six SU UMa systems (three of which show superhumps in our photometry), a polar (SSS1944-42) and one system (CSS1417-18) that displays an abnormally fast decline from ","authors_text":"A. A. S. Gulbis, B. Warner, D. L. Coppejans, E. Koerding, H. B. Breytenbach, M. M. Kotze, M. P. E. Schurch, P. A. Woudt, R. Coppejans, S. A. Macfarlane","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-10-14T12:06:11Z","title":"High-speed photometry of faint cataclysmic variables - VIII. Targets from the Catalina Real-time Transient Survey"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1310.3642","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:da6cefbff5bd663c9e7faf53d248f0a6d0e91eb6734c6a72e64670dcadb26d3d","target":"record","created_at":"2026-05-18T01:47:05Z","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":"6dd6816acac8d68f4c5f907d3846e2958bbcd2c1bb33e8a0f6e306f987bb7f7b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-10-14T12:06:11Z","title_canon_sha256":"7df0f547255279715b21a8d6b0f9b28741a0ae912603fb1126c2431b0c126faf"},"schema_version":"1.0","source":{"id":"1310.3642","kind":"arxiv","version":1}},"canonical_sha256":"1823331aa49fefa4846835671f01b442772559e2f153f28bddda5d3a496c8658","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1823331aa49fefa4846835671f01b442772559e2f153f28bddda5d3a496c8658","first_computed_at":"2026-05-18T01:47:05.842931Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:47:05.842931Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"7nf0C5D6WcYEoCxTVbiBLBs7+RR5sCuc2BZlnXRSYfS0iQU9I2pNcpxn2aIVU8qvlHMklA3FDmf0RPsF3WqhAA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:47:05.843522Z","signed_message":"canonical_sha256_bytes"},"source_id":"1310.3642","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:da6cefbff5bd663c9e7faf53d248f0a6d0e91eb6734c6a72e64670dcadb26d3d","sha256:a54fd28404a4a543d9639f7f30a89d89a49f701c037ed3abdb20d28dbdc41839"],"state_sha256":"c9bd2b1566f2d4bf5c1886a9a1b6ad8ca9a64e0a98fc54ac34ba6b5d99e465d4"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BfEEhTn/W98Rw4Yxp9bbpVGhAvFKKsyT+NsAXKg9NOVBKTzQoH3gZCUCaLgrMP0WJYZbguUOeWCe2Li6IjbeBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-20T01:03:50.315428Z","bundle_sha256":"865a36ebd9e478d69fbb058c4e8622ced4e84721071d8c541f9d6d03a64efbd5"}}