{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:N2IR6WZHJN44JJ3NXFHBVO5MPR","short_pith_number":"pith:N2IR6WZH","canonical_record":{"source":{"id":"1512.03722","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2015-12-11T17:20:40Z","cross_cats_sorted":[],"title_canon_sha256":"65cc481485698becbf2edd9613487c41203d95c2d176b3d52521dce37627751b","abstract_canon_sha256":"6f3f428f9bb96a6598d296aec2b466fe54efc9bdb8a2e315e368a3cbf1ac13e8"},"schema_version":"1.0"},"canonical_sha256":"6e911f5b274b79c4a76db94e1abbac7c63d3881fca28697dad38f15ddaff2790","source":{"kind":"arxiv","id":"1512.03722","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1512.03722","created_at":"2026-05-18T01:20:41Z"},{"alias_kind":"arxiv_version","alias_value":"1512.03722v1","created_at":"2026-05-18T01:20:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1512.03722","created_at":"2026-05-18T01:20:41Z"},{"alias_kind":"pith_short_12","alias_value":"N2IR6WZHJN44","created_at":"2026-05-18T12:29:32Z"},{"alias_kind":"pith_short_16","alias_value":"N2IR6WZHJN44JJ3N","created_at":"2026-05-18T12:29:32Z"},{"alias_kind":"pith_short_8","alias_value":"N2IR6WZH","created_at":"2026-05-18T12:29:32Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:N2IR6WZHJN44JJ3NXFHBVO5MPR","target":"record","payload":{"canonical_record":{"source":{"id":"1512.03722","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2015-12-11T17:20:40Z","cross_cats_sorted":[],"title_canon_sha256":"65cc481485698becbf2edd9613487c41203d95c2d176b3d52521dce37627751b","abstract_canon_sha256":"6f3f428f9bb96a6598d296aec2b466fe54efc9bdb8a2e315e368a3cbf1ac13e8"},"schema_version":"1.0"},"canonical_sha256":"6e911f5b274b79c4a76db94e1abbac7c63d3881fca28697dad38f15ddaff2790","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:20:41.111833Z","signature_b64":"J06I5woXDN2zmBg/yJ1mBRTOwO6pmxOho5clg+KvQYV/clDoaExN7NfkdSb1xSPrSbXoVTkjjtBHmHNJ9z+mBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6e911f5b274b79c4a76db94e1abbac7c63d3881fca28697dad38f15ddaff2790","last_reissued_at":"2026-05-18T01:20:41.111141Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:20:41.111141Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1512.03722","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":"2026-05-18T01:20:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"AdyLYLAFkVktsDiZ3wJuoEMDgiVSnAW35Q9RXlDBvBhYH96/eDIbxmMxim0m+53CDpdvEmo97zNODw9DNbv+BA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T00:54:30.690111Z"},"content_sha256":"87fbe724b5ed34d296ff9b08f8d5cd0ac5ecd21fb6d034e4dc9022c5e45091a4","schema_version":"1.0","event_id":"sha256:87fbe724b5ed34d296ff9b08f8d5cd0ac5ecd21fb6d034e4dc9022c5e45091a4"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:N2IR6WZHJN44JJ3NXFHBVO5MPR","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Single Transit Candidates from K2: Detection and Period Estimation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"A.P. Doyle, D.J.A. Brown, D.J. Armstrong, D.L. Pollacco, F. Faedi, H.P. Osborn, J.J. Spake, J. Kirk, J. McCormac, K.W.F. Lam, S.R. Walker, T.M. Louden","submitted_at":"2015-12-11T17:20:40Z","abstract_excerpt":"Photometric surveys such as Kepler have the precision to identify exoplanet and eclipsing binary candidates from only a single transit. K2, with its 75d campaign duration, is ideally suited to detect significant numbers of single-eclipsing objects. Here we develop a Bayesian transit-fitting tool (\"Namaste: An Mcmc Analysis of Single Transit Exoplanets\") to extract orbital information from single transit events. We achieve favourable results testing this technique on known Kepler planets, and apply the technique to 7 candidates identified from a targeted search of K2 campaigns 1, 2 and 3. We fi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1512.03722","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":"2026-05-18T01:20:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sIxhXMKeX7jMrjgYP7xq/gyLAuDftURjtWlq1uBA1Oecy7ViDwz0QlXvvNlZALP3xB5CJHGzpKTKFXnAo9hcCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T00:54:30.690856Z"},"content_sha256":"a0d2abb45536e4c2290b66e263a164ab69e29a2e34d38f619fe917cafed595bd","schema_version":"1.0","event_id":"sha256:a0d2abb45536e4c2290b66e263a164ab69e29a2e34d38f619fe917cafed595bd"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/N2IR6WZHJN44JJ3NXFHBVO5MPR/bundle.json","state_url":"https://pith.science/pith/N2IR6WZHJN44JJ3NXFHBVO5MPR/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/N2IR6WZHJN44JJ3NXFHBVO5MPR/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":"2026-05-27T00:54:30Z","links":{"resolver":"https://pith.science/pith/N2IR6WZHJN44JJ3NXFHBVO5MPR","bundle":"https://pith.science/pith/N2IR6WZHJN44JJ3NXFHBVO5MPR/bundle.json","state":"https://pith.science/pith/N2IR6WZHJN44JJ3NXFHBVO5MPR/state.json","well_known_bundle":"https://pith.science/.well-known/pith/N2IR6WZHJN44JJ3NXFHBVO5MPR/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:N2IR6WZHJN44JJ3NXFHBVO5MPR","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":"6f3f428f9bb96a6598d296aec2b466fe54efc9bdb8a2e315e368a3cbf1ac13e8","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2015-12-11T17:20:40Z","title_canon_sha256":"65cc481485698becbf2edd9613487c41203d95c2d176b3d52521dce37627751b"},"schema_version":"1.0","source":{"id":"1512.03722","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1512.03722","created_at":"2026-05-18T01:20:41Z"},{"alias_kind":"arxiv_version","alias_value":"1512.03722v1","created_at":"2026-05-18T01:20:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1512.03722","created_at":"2026-05-18T01:20:41Z"},{"alias_kind":"pith_short_12","alias_value":"N2IR6WZHJN44","created_at":"2026-05-18T12:29:32Z"},{"alias_kind":"pith_short_16","alias_value":"N2IR6WZHJN44JJ3N","created_at":"2026-05-18T12:29:32Z"},{"alias_kind":"pith_short_8","alias_value":"N2IR6WZH","created_at":"2026-05-18T12:29:32Z"}],"graph_snapshots":[{"event_id":"sha256:a0d2abb45536e4c2290b66e263a164ab69e29a2e34d38f619fe917cafed595bd","target":"graph","created_at":"2026-05-18T01:20:41Z","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":"Photometric surveys such as Kepler have the precision to identify exoplanet and eclipsing binary candidates from only a single transit. K2, with its 75d campaign duration, is ideally suited to detect significant numbers of single-eclipsing objects. Here we develop a Bayesian transit-fitting tool (\"Namaste: An Mcmc Analysis of Single Transit Exoplanets\") to extract orbital information from single transit events. We achieve favourable results testing this technique on known Kepler planets, and apply the technique to 7 candidates identified from a targeted search of K2 campaigns 1, 2 and 3. We fi","authors_text":"A.P. Doyle, D.J.A. Brown, D.J. Armstrong, D.L. Pollacco, F. Faedi, H.P. Osborn, J.J. Spake, J. Kirk, J. McCormac, K.W.F. Lam, S.R. Walker, T.M. Louden","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2015-12-11T17:20:40Z","title":"Single Transit Candidates from K2: Detection and Period Estimation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1512.03722","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":"sha256:87fbe724b5ed34d296ff9b08f8d5cd0ac5ecd21fb6d034e4dc9022c5e45091a4","target":"record","created_at":"2026-05-18T01:20:41Z","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":"6f3f428f9bb96a6598d296aec2b466fe54efc9bdb8a2e315e368a3cbf1ac13e8","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2015-12-11T17:20:40Z","title_canon_sha256":"65cc481485698becbf2edd9613487c41203d95c2d176b3d52521dce37627751b"},"schema_version":"1.0","source":{"id":"1512.03722","kind":"arxiv","version":1}},"canonical_sha256":"6e911f5b274b79c4a76db94e1abbac7c63d3881fca28697dad38f15ddaff2790","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6e911f5b274b79c4a76db94e1abbac7c63d3881fca28697dad38f15ddaff2790","first_computed_at":"2026-05-18T01:20:41.111141Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:20:41.111141Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"J06I5woXDN2zmBg/yJ1mBRTOwO6pmxOho5clg+KvQYV/clDoaExN7NfkdSb1xSPrSbXoVTkjjtBHmHNJ9z+mBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:20:41.111833Z","signed_message":"canonical_sha256_bytes"},"source_id":"1512.03722","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:87fbe724b5ed34d296ff9b08f8d5cd0ac5ecd21fb6d034e4dc9022c5e45091a4","sha256:a0d2abb45536e4c2290b66e263a164ab69e29a2e34d38f619fe917cafed595bd"],"state_sha256":"892a82cb85b8553a96a0d60aa5754cf337765623d4a217b74261df5199b4b64e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jsBOfdGbDVMlLrJ0teTMNztXk3s+T8xChDeXFwrEfC0EhtUWXxzdeJ9G90Ac8vah0bam3yfiuHA39IFvGXndBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T00:54:30.694270Z","bundle_sha256":"bc890311ae07b6e470c7cd96f05f189bfff695b489b298a06d5ee8f6d3c4e0fd"}}