{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:WPHRRSYA7G5AST4S5UTFB35OTW","short_pith_number":"pith:WPHRRSYA","canonical_record":{"source":{"id":"2109.03346","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2021-09-07T21:36:32Z","cross_cats_sorted":[],"title_canon_sha256":"7f6d597c48bbd979b63947237558b3239de4c4b4272cf62b41958c9895eee859","abstract_canon_sha256":"70dbbf504b343b0e39346c75167d5d29b66b31d359460539d837b619a4f02aaf"},"schema_version":"1.0"},"canonical_sha256":"b3cf18cb00f9ba094f92ed2650efae9db4fecf83250c58bac82c233031fb17cd","source":{"kind":"arxiv","id":"2109.03346","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2109.03346","created_at":"2026-07-05T03:33:49Z"},{"alias_kind":"arxiv_version","alias_value":"2109.03346v2","created_at":"2026-07-05T03:33:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2109.03346","created_at":"2026-07-05T03:33:49Z"},{"alias_kind":"pith_short_12","alias_value":"WPHRRSYA7G5A","created_at":"2026-07-05T03:33:49Z"},{"alias_kind":"pith_short_16","alias_value":"WPHRRSYA7G5AST4S","created_at":"2026-07-05T03:33:49Z"},{"alias_kind":"pith_short_8","alias_value":"WPHRRSYA","created_at":"2026-07-05T03:33:49Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:WPHRRSYA7G5AST4S5UTFB35OTW","target":"record","payload":{"canonical_record":{"source":{"id":"2109.03346","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2021-09-07T21:36:32Z","cross_cats_sorted":[],"title_canon_sha256":"7f6d597c48bbd979b63947237558b3239de4c4b4272cf62b41958c9895eee859","abstract_canon_sha256":"70dbbf504b343b0e39346c75167d5d29b66b31d359460539d837b619a4f02aaf"},"schema_version":"1.0"},"canonical_sha256":"b3cf18cb00f9ba094f92ed2650efae9db4fecf83250c58bac82c233031fb17cd","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:33:49.543625Z","signature_b64":"DM+sOF7CWSaUyk+pGIOI/x+yvBeTmRe+J/LuTZo4nJ5mABREq4uIwwmchJzo1onKE0cw7cESEnEMyP5wiJqOCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b3cf18cb00f9ba094f92ed2650efae9db4fecf83250c58bac82c233031fb17cd","last_reissued_at":"2026-07-05T03:33:49.543093Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:33:49.543093Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2109.03346","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T03:33:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qhwoSSgvts4CbHX3jediqKXLqM8CZU1lKpxgTctXrPyPMbkXriHpxYWj7TArDE1zprNirEAaY2nd+0AcU0+bDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T14:59:31.332019Z"},"content_sha256":"23bb8eba4acda9cc345c53caba7617a58102d1abb1bff3089799c2a72a72c234","schema_version":"1.0","event_id":"sha256:23bb8eba4acda9cc345c53caba7617a58102d1abb1bff3089799c2a72a72c234"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:WPHRRSYA7G5AST4S5UTFB35OTW","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The K2-OjOS Project: New and revisited planets and candidates in K2 campaigns 5, 16, & 18","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"A. Castro-Gonz\\'alez, A. Coya Lozano, C. Gonz\\'alez Guti\\'errez, C. Rodr\\'iguez Pereira, D. V\\'azquez Garc\\'ia, E. D\\'iez Alonso, F. Garc\\'ia de la Cuesta, F. Garc\\'ia Riesgo, F. Izquierdo-Ruiz, F. J. de Cos Juez, F. S\\'anchez Lasheras, J. D. Santos Rodr\\'iguez, J. Gonz\\'alez-Nuevo, J. Korth, J. Lillo-Box, J. Livingston, J. Men\\'endez Blanco, J. M. Recio, J. P. de Leon, J. Polancos Ruiz, J. R. Vidal Blanco, L. Bonavera, M. L. S\\'anchez Rodr\\'iguez, N. G\\'omez Hern\\'andez, P. Padilla Tijer\\'in, R. Hevia D\\'iaz, R. Mu\\~niz, R. Pardo Silva, S. Fern\\'andez Men\\'endez, S. L. Su\\'arez G\\'omez, S. P\\'erez Acevedo","submitted_at":"2021-09-07T21:36:32Z","abstract_excerpt":"We present the first results of K2-OjOS, a collaborative project between professional and amateur astronomers primarily aimed to detect, characterize, and validate new extrasolar planets. For this work, 10 amateur astronomers looked for planetary signals by visually inspecting the 20 427 light curves of K2 campaign 18 (C18). They found 42 planet candidates, of which 18 are new detections and 24 had been detected in the overlapping C5 by previous works. We used archival photometric and spectroscopic observations, as well as new high-spatial resolution images in order to carry out a complete ana"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2109.03346","kind":"arxiv","version":2},"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/2109.03346/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":"2026-07-05T03:33:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/hEftCEIkuklkvWSUm4jAo4bKoyfXiqzoUJTq6apMgMqmstYTsbAe3m+eMw9zBxehauGEc3y3Ayrol+vXU3wAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T14:59:31.332693Z"},"content_sha256":"051eefe7887bc6af7b6b2dceebb95cf5aed12cbdea9225167dace7636862d341","schema_version":"1.0","event_id":"sha256:051eefe7887bc6af7b6b2dceebb95cf5aed12cbdea9225167dace7636862d341"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/WPHRRSYA7G5AST4S5UTFB35OTW/bundle.json","state_url":"https://pith.science/pith/WPHRRSYA7G5AST4S5UTFB35OTW/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/WPHRRSYA7G5AST4S5UTFB35OTW/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":"2026-07-05T14:59:31Z","links":{"resolver":"https://pith.science/pith/WPHRRSYA7G5AST4S5UTFB35OTW","bundle":"https://pith.science/pith/WPHRRSYA7G5AST4S5UTFB35OTW/bundle.json","state":"https://pith.science/pith/WPHRRSYA7G5AST4S5UTFB35OTW/state.json","well_known_bundle":"https://pith.science/.well-known/pith/WPHRRSYA7G5AST4S5UTFB35OTW/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:WPHRRSYA7G5AST4S5UTFB35OTW","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":"70dbbf504b343b0e39346c75167d5d29b66b31d359460539d837b619a4f02aaf","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2021-09-07T21:36:32Z","title_canon_sha256":"7f6d597c48bbd979b63947237558b3239de4c4b4272cf62b41958c9895eee859"},"schema_version":"1.0","source":{"id":"2109.03346","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2109.03346","created_at":"2026-07-05T03:33:49Z"},{"alias_kind":"arxiv_version","alias_value":"2109.03346v2","created_at":"2026-07-05T03:33:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2109.03346","created_at":"2026-07-05T03:33:49Z"},{"alias_kind":"pith_short_12","alias_value":"WPHRRSYA7G5A","created_at":"2026-07-05T03:33:49Z"},{"alias_kind":"pith_short_16","alias_value":"WPHRRSYA7G5AST4S","created_at":"2026-07-05T03:33:49Z"},{"alias_kind":"pith_short_8","alias_value":"WPHRRSYA","created_at":"2026-07-05T03:33:49Z"}],"graph_snapshots":[{"event_id":"sha256:051eefe7887bc6af7b6b2dceebb95cf5aed12cbdea9225167dace7636862d341","target":"graph","created_at":"2026-07-05T03:33:49Z","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/2109.03346/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present the first results of K2-OjOS, a collaborative project between professional and amateur astronomers primarily aimed to detect, characterize, and validate new extrasolar planets. For this work, 10 amateur astronomers looked for planetary signals by visually inspecting the 20 427 light curves of K2 campaign 18 (C18). They found 42 planet candidates, of which 18 are new detections and 24 had been detected in the overlapping C5 by previous works. We used archival photometric and spectroscopic observations, as well as new high-spatial resolution images in order to carry out a complete ana","authors_text":"A. Castro-Gonz\\'alez, A. Coya Lozano, C. Gonz\\'alez Guti\\'errez, C. Rodr\\'iguez Pereira, D. V\\'azquez Garc\\'ia, E. D\\'iez Alonso, F. Garc\\'ia de la Cuesta, F. Garc\\'ia Riesgo, F. Izquierdo-Ruiz, F. J. de Cos Juez, F. S\\'anchez Lasheras, J. D. Santos Rodr\\'iguez, J. Gonz\\'alez-Nuevo, J. Korth, J. Lillo-Box, J. Livingston, J. Men\\'endez Blanco, J. M. Recio, J. P. de Leon, J. Polancos Ruiz, J. R. Vidal Blanco, L. Bonavera, M. L. S\\'anchez Rodr\\'iguez, N. G\\'omez Hern\\'andez, P. Padilla Tijer\\'in, R. Hevia D\\'iaz, R. Mu\\~niz, R. Pardo Silva, S. Fern\\'andez Men\\'endez, S. L. Su\\'arez G\\'omez, S. P\\'erez Acevedo","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2021-09-07T21:36:32Z","title":"The K2-OjOS Project: New and revisited planets and candidates in K2 campaigns 5, 16, & 18"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2109.03346","kind":"arxiv","version":2},"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":"sha256:23bb8eba4acda9cc345c53caba7617a58102d1abb1bff3089799c2a72a72c234","target":"record","created_at":"2026-07-05T03:33:49Z","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":"70dbbf504b343b0e39346c75167d5d29b66b31d359460539d837b619a4f02aaf","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2021-09-07T21:36:32Z","title_canon_sha256":"7f6d597c48bbd979b63947237558b3239de4c4b4272cf62b41958c9895eee859"},"schema_version":"1.0","source":{"id":"2109.03346","kind":"arxiv","version":2}},"canonical_sha256":"b3cf18cb00f9ba094f92ed2650efae9db4fecf83250c58bac82c233031fb17cd","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b3cf18cb00f9ba094f92ed2650efae9db4fecf83250c58bac82c233031fb17cd","first_computed_at":"2026-07-05T03:33:49.543093Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:33:49.543093Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"DM+sOF7CWSaUyk+pGIOI/x+yvBeTmRe+J/LuTZo4nJ5mABREq4uIwwmchJzo1onKE0cw7cESEnEMyP5wiJqOCA==","signature_status":"signed_v1","signed_at":"2026-07-05T03:33:49.543625Z","signed_message":"canonical_sha256_bytes"},"source_id":"2109.03346","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:23bb8eba4acda9cc345c53caba7617a58102d1abb1bff3089799c2a72a72c234","sha256:051eefe7887bc6af7b6b2dceebb95cf5aed12cbdea9225167dace7636862d341"],"state_sha256":"cd42b1612f0ed1a3dc89815c076a0a4834ad9b2863174634ec5b00bd5eac7c5c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Y391tb2bfIWiid/Io1vqaLBB3jPGnkL6eLV94xTeV2N6wec9gEBV1Yj87E1NFdRuuDf6Tpe3J8VTC4tHiLxcBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-05T14:59:31.336617Z","bundle_sha256":"0bff9dc56b688c91a0c6f932c518ce6079cb4b5ead10a081d94925dd2a82cabe"}}