{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:AEMSO4JO5UCTSSMCK6GBBUANV3","short_pith_number":"pith:AEMSO4JO","canonical_record":{"source":{"id":"1410.6577","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-10-24T05:33:54Z","cross_cats_sorted":[],"title_canon_sha256":"3d8c7593cae126423454ce18dd87ac8cc865318a8ca74a80f13c149b8d3609af","abstract_canon_sha256":"93ca1db0b05c61db9a228cc6119982dc7440389e96821139a1397cfbbb0be3b8"},"schema_version":"1.0"},"canonical_sha256":"011927712eed05394982578c10d00daef95de47dda456895d66d8dc647567173","source":{"kind":"arxiv","id":"1410.6577","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1410.6577","created_at":"2026-05-18T01:41:40Z"},{"alias_kind":"arxiv_version","alias_value":"1410.6577v1","created_at":"2026-05-18T01:41:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1410.6577","created_at":"2026-05-18T01:41:40Z"},{"alias_kind":"pith_short_12","alias_value":"AEMSO4JO5UCT","created_at":"2026-05-18T12:28:19Z"},{"alias_kind":"pith_short_16","alias_value":"AEMSO4JO5UCTSSMC","created_at":"2026-05-18T12:28:19Z"},{"alias_kind":"pith_short_8","alias_value":"AEMSO4JO","created_at":"2026-05-18T12:28:19Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:AEMSO4JO5UCTSSMCK6GBBUANV3","target":"record","payload":{"canonical_record":{"source":{"id":"1410.6577","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-10-24T05:33:54Z","cross_cats_sorted":[],"title_canon_sha256":"3d8c7593cae126423454ce18dd87ac8cc865318a8ca74a80f13c149b8d3609af","abstract_canon_sha256":"93ca1db0b05c61db9a228cc6119982dc7440389e96821139a1397cfbbb0be3b8"},"schema_version":"1.0"},"canonical_sha256":"011927712eed05394982578c10d00daef95de47dda456895d66d8dc647567173","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:41:40.212608Z","signature_b64":"w2o1ls+wGd8DXbftxhFll4Wm3c9L1QDrFs7s4EKxyOKp2IH1BOu4nZGd8KZwfk1C0gtTdfDugpIqTjcoMFsWDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"011927712eed05394982578c10d00daef95de47dda456895d66d8dc647567173","last_reissued_at":"2026-05-18T01:41:40.212032Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:41:40.212032Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1410.6577","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":"2026-05-18T01:41:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"T1mdvIFVKWLInAf422GzaHQinE2Kp/P33KmPKtwyQfJqkOxqGrOuObPmzXbvyviJfwX3bMOypThCm+G946cKDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-19T10:01:50.069741Z"},"content_sha256":"e04405dcf5678a8a016d6862985f56e3b2e68b34e6eea865d985b375f51154b7","schema_version":"1.0","event_id":"sha256:e04405dcf5678a8a016d6862985f56e3b2e68b34e6eea865d985b375f51154b7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:AEMSO4JO5UCTSSMCK6GBBUANV3","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Mass and period limits on the ringed companion transiting the young star J1407","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"A.H.M.J. Triaud, A. Kraus, A.P. LaCluyze, D.E. Reichart, D. S\\'egransan, E.E. Mamajek, E.L. Scott, F.-J. Hambsch, J.B. Haislip, J.P. Moore, M.A. Kenworthy, M. Ireland, N.R. Frank, S. Lacour","submitted_at":"2014-10-24T05:33:54Z","abstract_excerpt":"The young (~16 Myr) pre-main-sequence star in Sco-Cen 1SWASP J140747.93-394542.6, hereafter referred to as J1407, underwent a deep eclipse in 2007 April, bracketed by several shallower eclipses in the surrounding 54 d. This has been interpreted as the first detection of an eclipsing ring system circling a substellar object (dubbed J1407b). We report on a search for this companion with Sparse Aperture Mask imaging and direct imaging with both the UT4 VLT and Keck telescopes. Radial velocity measurements of J1407 provide additional constraints on J1407b and on short period companions to the cent"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1410.6577","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":"2026-05-18T01:41:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qhjKM1WeGDS2h1VXU9VowaoXkmpme+jVSF8Twf924zeXAdngSlIUVgAjfQaiPKoNHAAuZzejOOrHcPP60VrhAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-19T10:01:50.070093Z"},"content_sha256":"95cdb513948f1b9faf7b46442d86da894cc84250f8d89aa59644759a5d7b694a","schema_version":"1.0","event_id":"sha256:95cdb513948f1b9faf7b46442d86da894cc84250f8d89aa59644759a5d7b694a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/AEMSO4JO5UCTSSMCK6GBBUANV3/bundle.json","state_url":"https://pith.science/pith/AEMSO4JO5UCTSSMCK6GBBUANV3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/AEMSO4JO5UCTSSMCK6GBBUANV3/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":"2026-05-19T10:01:50Z","links":{"resolver":"https://pith.science/pith/AEMSO4JO5UCTSSMCK6GBBUANV3","bundle":"https://pith.science/pith/AEMSO4JO5UCTSSMCK6GBBUANV3/bundle.json","state":"https://pith.science/pith/AEMSO4JO5UCTSSMCK6GBBUANV3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/AEMSO4JO5UCTSSMCK6GBBUANV3/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:AEMSO4JO5UCTSSMCK6GBBUANV3","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":"93ca1db0b05c61db9a228cc6119982dc7440389e96821139a1397cfbbb0be3b8","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-10-24T05:33:54Z","title_canon_sha256":"3d8c7593cae126423454ce18dd87ac8cc865318a8ca74a80f13c149b8d3609af"},"schema_version":"1.0","source":{"id":"1410.6577","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1410.6577","created_at":"2026-05-18T01:41:40Z"},{"alias_kind":"arxiv_version","alias_value":"1410.6577v1","created_at":"2026-05-18T01:41:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1410.6577","created_at":"2026-05-18T01:41:40Z"},{"alias_kind":"pith_short_12","alias_value":"AEMSO4JO5UCT","created_at":"2026-05-18T12:28:19Z"},{"alias_kind":"pith_short_16","alias_value":"AEMSO4JO5UCTSSMC","created_at":"2026-05-18T12:28:19Z"},{"alias_kind":"pith_short_8","alias_value":"AEMSO4JO","created_at":"2026-05-18T12:28:19Z"}],"graph_snapshots":[{"event_id":"sha256:95cdb513948f1b9faf7b46442d86da894cc84250f8d89aa59644759a5d7b694a","target":"graph","created_at":"2026-05-18T01:41:40Z","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 young (~16 Myr) pre-main-sequence star in Sco-Cen 1SWASP J140747.93-394542.6, hereafter referred to as J1407, underwent a deep eclipse in 2007 April, bracketed by several shallower eclipses in the surrounding 54 d. This has been interpreted as the first detection of an eclipsing ring system circling a substellar object (dubbed J1407b). We report on a search for this companion with Sparse Aperture Mask imaging and direct imaging with both the UT4 VLT and Keck telescopes. Radial velocity measurements of J1407 provide additional constraints on J1407b and on short period companions to the cent","authors_text":"A.H.M.J. Triaud, A. Kraus, A.P. LaCluyze, D.E. Reichart, D. S\\'egransan, E.E. Mamajek, E.L. Scott, F.-J. Hambsch, J.B. Haislip, J.P. Moore, M.A. Kenworthy, M. Ireland, N.R. Frank, S. Lacour","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-10-24T05:33:54Z","title":"Mass and period limits on the ringed companion transiting the young star J1407"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1410.6577","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:e04405dcf5678a8a016d6862985f56e3b2e68b34e6eea865d985b375f51154b7","target":"record","created_at":"2026-05-18T01:41:40Z","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":"93ca1db0b05c61db9a228cc6119982dc7440389e96821139a1397cfbbb0be3b8","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-10-24T05:33:54Z","title_canon_sha256":"3d8c7593cae126423454ce18dd87ac8cc865318a8ca74a80f13c149b8d3609af"},"schema_version":"1.0","source":{"id":"1410.6577","kind":"arxiv","version":1}},"canonical_sha256":"011927712eed05394982578c10d00daef95de47dda456895d66d8dc647567173","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"011927712eed05394982578c10d00daef95de47dda456895d66d8dc647567173","first_computed_at":"2026-05-18T01:41:40.212032Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:41:40.212032Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"w2o1ls+wGd8DXbftxhFll4Wm3c9L1QDrFs7s4EKxyOKp2IH1BOu4nZGd8KZwfk1C0gtTdfDugpIqTjcoMFsWDg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:41:40.212608Z","signed_message":"canonical_sha256_bytes"},"source_id":"1410.6577","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e04405dcf5678a8a016d6862985f56e3b2e68b34e6eea865d985b375f51154b7","sha256:95cdb513948f1b9faf7b46442d86da894cc84250f8d89aa59644759a5d7b694a"],"state_sha256":"91097c4cc27506c834d2f017473ce3acd9d4e52432fc3e2d66f4a40f72cfcf91"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZMw3ONZiX71cH0BK7glM+vTnTyFJqRTyO5Y/0b4mfR7aX39Ua5jZVFTJ+sJGj6t2SFS3S7bEl3c9LP2s+BkVDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-19T10:01:50.071850Z","bundle_sha256":"0d6b790c35761d4293d882ce482f43480bb9ecd7f86c1ba921758ff8f5dd5342"}}