{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:G3PX3BRXGLFWGZIBMXQB7TSGLY","short_pith_number":"pith:G3PX3BRX","canonical_record":{"source":{"id":"1510.00862","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2015-10-03T20:20:09Z","cross_cats_sorted":[],"title_canon_sha256":"4c7d361c752251168c992a7bc2c6b0011f044e915df93bffede78f16817c3c93","abstract_canon_sha256":"750bc6b8d44e50a72381f2a75f1e748a0742581c9a75c1943bf62a496e6dd071"},"schema_version":"1.0"},"canonical_sha256":"36df7d863732cb63650165e01fce465e3a83cbfe34ae22498462df5b46a05541","source":{"kind":"arxiv","id":"1510.00862","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1510.00862","created_at":"2026-05-18T01:31:05Z"},{"alias_kind":"arxiv_version","alias_value":"1510.00862v1","created_at":"2026-05-18T01:31:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1510.00862","created_at":"2026-05-18T01:31:05Z"},{"alias_kind":"pith_short_12","alias_value":"G3PX3BRXGLFW","created_at":"2026-05-18T12:29:22Z"},{"alias_kind":"pith_short_16","alias_value":"G3PX3BRXGLFWGZIB","created_at":"2026-05-18T12:29:22Z"},{"alias_kind":"pith_short_8","alias_value":"G3PX3BRX","created_at":"2026-05-18T12:29:22Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:G3PX3BRXGLFWGZIBMXQB7TSGLY","target":"record","payload":{"canonical_record":{"source":{"id":"1510.00862","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2015-10-03T20:20:09Z","cross_cats_sorted":[],"title_canon_sha256":"4c7d361c752251168c992a7bc2c6b0011f044e915df93bffede78f16817c3c93","abstract_canon_sha256":"750bc6b8d44e50a72381f2a75f1e748a0742581c9a75c1943bf62a496e6dd071"},"schema_version":"1.0"},"canonical_sha256":"36df7d863732cb63650165e01fce465e3a83cbfe34ae22498462df5b46a05541","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:31:05.464324Z","signature_b64":"Ogcz2DyajpZvyOTEE5He4EZxImf95PxCqTh8K4M7KTwOZj7NPlG5R8XLIDYP0lzNhyOOExhtvRrUsm7CF9RQBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"36df7d863732cb63650165e01fce465e3a83cbfe34ae22498462df5b46a05541","last_reissued_at":"2026-05-18T01:31:05.463733Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:31:05.463733Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1510.00862","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":"2026-05-18T01:31:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WdkBhmOvUfIIFIMbTU2CwWJwljRJNvgTAEXPoVp/g+0Ae35E1gAdq9maFq5r3xpqLijNDoX9/F2MyKBT7ZcJAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T05:07:57.939222Z"},"content_sha256":"eb3aa14710d19c1e1c11d50807df4c0ae9d20eecd0bcedd03a82b415f5aa3636","schema_version":"1.0","event_id":"sha256:eb3aa14710d19c1e1c11d50807df4c0ae9d20eecd0bcedd03a82b415f5aa3636"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:G3PX3BRXGLFWGZIBMXQB7TSGLY","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Mapping optically variable quasars towards the galactic plane","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"A. C Robin, A. K. Vivas, A. Nu\\~nez, C. Abad, C. Brice\\~no, C. Mateu, C. Reyl\\'e, E. Gatuzz, J. A. de Diego, J. G. Fernandez-Trincado, J. Hern\\'andez, J. J. Downes, K. Vieira, L. Vega, T. Verdugo, V. Motta","submitted_at":"2015-10-03T20:20:09Z","abstract_excerpt":"We present preliminary results of the CIDA Equatorial Variability Survey (CEVS), looking for quasar (hereafter QSO) candidates near the Galactic plane. The CEVS contains photometric data from extended and adjacent regions of the Milky Way disk ($\\sim$ 500 sq. deg.). In this work 2.5 square degrees with moderately high temporal sampling in the CEVS were analyzed. The selection of QSO candidates was based on the study of intrinsic optical photometric variability of 14,719 light curves. We studied samples defined by cuts in the variability index (Vindex $>$ 66.5), periodicity index (Q $>$ 2), and"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1510.00862","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":"2026-05-18T01:31:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6k2gMzEmklNXPqMkSHtFGrz442qbloUWihpg411IQ8vifxrEjQtaziytxFpS+QDdBbFF4thHgZICPLMnQcvDDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T05:07:57.939620Z"},"content_sha256":"c9d4b7a0dec6e225aaa08e972e0e8d38cc4cdb415711733f521611d96f3f882f","schema_version":"1.0","event_id":"sha256:c9d4b7a0dec6e225aaa08e972e0e8d38cc4cdb415711733f521611d96f3f882f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/G3PX3BRXGLFWGZIBMXQB7TSGLY/bundle.json","state_url":"https://pith.science/pith/G3PX3BRXGLFWGZIBMXQB7TSGLY/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/G3PX3BRXGLFWGZIBMXQB7TSGLY/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":"2026-05-31T05:07:57Z","links":{"resolver":"https://pith.science/pith/G3PX3BRXGLFWGZIBMXQB7TSGLY","bundle":"https://pith.science/pith/G3PX3BRXGLFWGZIBMXQB7TSGLY/bundle.json","state":"https://pith.science/pith/G3PX3BRXGLFWGZIBMXQB7TSGLY/state.json","well_known_bundle":"https://pith.science/.well-known/pith/G3PX3BRXGLFWGZIBMXQB7TSGLY/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:G3PX3BRXGLFWGZIBMXQB7TSGLY","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":"750bc6b8d44e50a72381f2a75f1e748a0742581c9a75c1943bf62a496e6dd071","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2015-10-03T20:20:09Z","title_canon_sha256":"4c7d361c752251168c992a7bc2c6b0011f044e915df93bffede78f16817c3c93"},"schema_version":"1.0","source":{"id":"1510.00862","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1510.00862","created_at":"2026-05-18T01:31:05Z"},{"alias_kind":"arxiv_version","alias_value":"1510.00862v1","created_at":"2026-05-18T01:31:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1510.00862","created_at":"2026-05-18T01:31:05Z"},{"alias_kind":"pith_short_12","alias_value":"G3PX3BRXGLFW","created_at":"2026-05-18T12:29:22Z"},{"alias_kind":"pith_short_16","alias_value":"G3PX3BRXGLFWGZIB","created_at":"2026-05-18T12:29:22Z"},{"alias_kind":"pith_short_8","alias_value":"G3PX3BRX","created_at":"2026-05-18T12:29:22Z"}],"graph_snapshots":[{"event_id":"sha256:c9d4b7a0dec6e225aaa08e972e0e8d38cc4cdb415711733f521611d96f3f882f","target":"graph","created_at":"2026-05-18T01:31:05Z","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":"We present preliminary results of the CIDA Equatorial Variability Survey (CEVS), looking for quasar (hereafter QSO) candidates near the Galactic plane. The CEVS contains photometric data from extended and adjacent regions of the Milky Way disk ($\\sim$ 500 sq. deg.). In this work 2.5 square degrees with moderately high temporal sampling in the CEVS were analyzed. The selection of QSO candidates was based on the study of intrinsic optical photometric variability of 14,719 light curves. We studied samples defined by cuts in the variability index (Vindex $>$ 66.5), periodicity index (Q $>$ 2), and","authors_text":"A. C Robin, A. K. Vivas, A. Nu\\~nez, C. Abad, C. Brice\\~no, C. Mateu, C. Reyl\\'e, E. Gatuzz, J. A. de Diego, J. G. Fernandez-Trincado, J. Hern\\'andez, J. J. Downes, K. Vieira, L. Vega, T. Verdugo, V. Motta","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2015-10-03T20:20:09Z","title":"Mapping optically variable quasars towards the galactic plane"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1510.00862","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:eb3aa14710d19c1e1c11d50807df4c0ae9d20eecd0bcedd03a82b415f5aa3636","target":"record","created_at":"2026-05-18T01:31:05Z","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":"750bc6b8d44e50a72381f2a75f1e748a0742581c9a75c1943bf62a496e6dd071","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2015-10-03T20:20:09Z","title_canon_sha256":"4c7d361c752251168c992a7bc2c6b0011f044e915df93bffede78f16817c3c93"},"schema_version":"1.0","source":{"id":"1510.00862","kind":"arxiv","version":1}},"canonical_sha256":"36df7d863732cb63650165e01fce465e3a83cbfe34ae22498462df5b46a05541","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"36df7d863732cb63650165e01fce465e3a83cbfe34ae22498462df5b46a05541","first_computed_at":"2026-05-18T01:31:05.463733Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:31:05.463733Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Ogcz2DyajpZvyOTEE5He4EZxImf95PxCqTh8K4M7KTwOZj7NPlG5R8XLIDYP0lzNhyOOExhtvRrUsm7CF9RQBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:31:05.464324Z","signed_message":"canonical_sha256_bytes"},"source_id":"1510.00862","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:eb3aa14710d19c1e1c11d50807df4c0ae9d20eecd0bcedd03a82b415f5aa3636","sha256:c9d4b7a0dec6e225aaa08e972e0e8d38cc4cdb415711733f521611d96f3f882f"],"state_sha256":"f171b96875aa787c6efaa07a6a142675736ffd56b548b838b227546b1bee6ce0"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"P6Ci57asEshi5xjR/cy+LsS7d3cRlVUA6N43avSj65DMdpnhmmT8ZSaQs9w2p0eNVBRUY0u9x3xr7c8TODoQBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T05:07:57.942570Z","bundle_sha256":"40c98ed840120821e479ed90af9e43bbafb88828128994871e6ab94d31055d99"}}