{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:V3FJIQTHAJYWNWUDONIEXMQGHY","short_pith_number":"pith:V3FJIQTH","canonical_record":{"source":{"id":"1811.06880","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-11-16T15:53:22Z","cross_cats_sorted":["astro-ph.EP"],"title_canon_sha256":"315cee4cb5679d7204ec4e9449ca717f2210e1b03461682fa039828de883b4f4","abstract_canon_sha256":"90907096f757d9ad9a34b9c48ee25d01aba852507c05f900e7e74fbea3e9abb9"},"schema_version":"1.0"},"canonical_sha256":"aeca944267027166da8373504bb2063e04abd7c039e8519e4cc667b6032d8e57","source":{"kind":"arxiv","id":"1811.06880","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1811.06880","created_at":"2026-05-17T23:58:01Z"},{"alias_kind":"arxiv_version","alias_value":"1811.06880v1","created_at":"2026-05-17T23:58:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1811.06880","created_at":"2026-05-17T23:58:01Z"},{"alias_kind":"pith_short_12","alias_value":"V3FJIQTHAJYW","created_at":"2026-05-18T12:32:56Z"},{"alias_kind":"pith_short_16","alias_value":"V3FJIQTHAJYWNWUD","created_at":"2026-05-18T12:32:56Z"},{"alias_kind":"pith_short_8","alias_value":"V3FJIQTH","created_at":"2026-05-18T12:32:56Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:V3FJIQTHAJYWNWUDONIEXMQGHY","target":"record","payload":{"canonical_record":{"source":{"id":"1811.06880","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-11-16T15:53:22Z","cross_cats_sorted":["astro-ph.EP"],"title_canon_sha256":"315cee4cb5679d7204ec4e9449ca717f2210e1b03461682fa039828de883b4f4","abstract_canon_sha256":"90907096f757d9ad9a34b9c48ee25d01aba852507c05f900e7e74fbea3e9abb9"},"schema_version":"1.0"},"canonical_sha256":"aeca944267027166da8373504bb2063e04abd7c039e8519e4cc667b6032d8e57","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:58:01.641843Z","signature_b64":"tj5wSM9t3RZCCGTh1quERLRhA7TmbZVr1z2WrZh57sMgBxxIknbUPU0KwK649lEby1wVtHTkDCOpMqveEU2EBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"aeca944267027166da8373504bb2063e04abd7c039e8519e4cc667b6032d8e57","last_reissued_at":"2026-05-17T23:58:01.641374Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:58:01.641374Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1811.06880","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":"2026-05-17T23:58:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uLxxpvNZNj1vcaGKBLekxrdFcOG6Z35Hi6atyZUcAMw1Ef+dHRIFNMHiklAixta5BIc6KNVsJvytWleJFEXqCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T14:31:51.338101Z"},"content_sha256":"2001c65fde2c3e8159512df5d1cb32863452f0d71dcb5886a5366f39aa41899c","schema_version":"1.0","event_id":"sha256:2001c65fde2c3e8159512df5d1cb32863452f0d71dcb5886a5366f39aa41899c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:V3FJIQTHAJYWNWUDONIEXMQGHY","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Imaging the disc rim and a moving close-in companion candidate in the pre-transitional disc of V1247 Orionis","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","headline":"","cross_cats":["astro-ph.EP"],"primary_cat":"astro-ph.SR","authors_text":"Aaron Rizzuto, Alexander Kreplin, Alicia Aarnio, Catherine Espaillat, David J. Wilner, Edward Hone, Jacques Kluska, John D. Monnier, Matthew Willson, Michael J. Ireland, Michel Cure, Mike Sitko, Misato Fukagawa, Nuria Calvet, Samer Kanaan, Sasha Hinkley, Sean Andrews, Stefan Kraus, Takayuki Muto, Tim J. Harries","submitted_at":"2018-11-16T15:53:22Z","abstract_excerpt":"V1247 Orionis harbours a pre-transitional disc with a partially cleared gap. Earlier interferometric and polarimetric observations revealed strong asymmetries both in the gap region and in the outer disc. The presence of a companion was inferred to explain these asymmetric structures and the ongoing disc clearing. Using an extensive set of multi-wavelength and multi-epoch observations we aimed to identify the origin of the previously detected asymmetries. We have observed V1247 Ori at three epochs spanning $\\sim678$ days using sparse aperture masking interferometry with Keck/NIRC2 and VLT/NACO"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1811.06880","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":"2026-05-17T23:58:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"goAHRH8+Ysbu7s3EI2KYCucRT+U3zBfQQAFqTZZ0sHNlquVMcTHoHlldKUqVOosznqqg0C1Q19YFibWH+zHvCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T14:31:51.338519Z"},"content_sha256":"c69a338234a760ccc41f352ea6a5c382dcc1e3b42bd725f7bb35ca9499e912cd","schema_version":"1.0","event_id":"sha256:c69a338234a760ccc41f352ea6a5c382dcc1e3b42bd725f7bb35ca9499e912cd"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/V3FJIQTHAJYWNWUDONIEXMQGHY/bundle.json","state_url":"https://pith.science/pith/V3FJIQTHAJYWNWUDONIEXMQGHY/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/V3FJIQTHAJYWNWUDONIEXMQGHY/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":"2026-05-30T14:31:51Z","links":{"resolver":"https://pith.science/pith/V3FJIQTHAJYWNWUDONIEXMQGHY","bundle":"https://pith.science/pith/V3FJIQTHAJYWNWUDONIEXMQGHY/bundle.json","state":"https://pith.science/pith/V3FJIQTHAJYWNWUDONIEXMQGHY/state.json","well_known_bundle":"https://pith.science/.well-known/pith/V3FJIQTHAJYWNWUDONIEXMQGHY/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:V3FJIQTHAJYWNWUDONIEXMQGHY","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":"90907096f757d9ad9a34b9c48ee25d01aba852507c05f900e7e74fbea3e9abb9","cross_cats_sorted":["astro-ph.EP"],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-11-16T15:53:22Z","title_canon_sha256":"315cee4cb5679d7204ec4e9449ca717f2210e1b03461682fa039828de883b4f4"},"schema_version":"1.0","source":{"id":"1811.06880","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1811.06880","created_at":"2026-05-17T23:58:01Z"},{"alias_kind":"arxiv_version","alias_value":"1811.06880v1","created_at":"2026-05-17T23:58:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1811.06880","created_at":"2026-05-17T23:58:01Z"},{"alias_kind":"pith_short_12","alias_value":"V3FJIQTHAJYW","created_at":"2026-05-18T12:32:56Z"},{"alias_kind":"pith_short_16","alias_value":"V3FJIQTHAJYWNWUD","created_at":"2026-05-18T12:32:56Z"},{"alias_kind":"pith_short_8","alias_value":"V3FJIQTH","created_at":"2026-05-18T12:32:56Z"}],"graph_snapshots":[{"event_id":"sha256:c69a338234a760ccc41f352ea6a5c382dcc1e3b42bd725f7bb35ca9499e912cd","target":"graph","created_at":"2026-05-17T23:58:01Z","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":"V1247 Orionis harbours a pre-transitional disc with a partially cleared gap. Earlier interferometric and polarimetric observations revealed strong asymmetries both in the gap region and in the outer disc. The presence of a companion was inferred to explain these asymmetric structures and the ongoing disc clearing. Using an extensive set of multi-wavelength and multi-epoch observations we aimed to identify the origin of the previously detected asymmetries. We have observed V1247 Ori at three epochs spanning $\\sim678$ days using sparse aperture masking interferometry with Keck/NIRC2 and VLT/NACO","authors_text":"Aaron Rizzuto, Alexander Kreplin, Alicia Aarnio, Catherine Espaillat, David J. Wilner, Edward Hone, Jacques Kluska, John D. Monnier, Matthew Willson, Michael J. Ireland, Michel Cure, Mike Sitko, Misato Fukagawa, Nuria Calvet, Samer Kanaan, Sasha Hinkley, Sean Andrews, Stefan Kraus, Takayuki Muto, Tim J. Harries","cross_cats":["astro-ph.EP"],"headline":"","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-11-16T15:53:22Z","title":"Imaging the disc rim and a moving close-in companion candidate in the pre-transitional disc of V1247 Orionis"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1811.06880","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":"sha256:2001c65fde2c3e8159512df5d1cb32863452f0d71dcb5886a5366f39aa41899c","target":"record","created_at":"2026-05-17T23:58:01Z","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":"90907096f757d9ad9a34b9c48ee25d01aba852507c05f900e7e74fbea3e9abb9","cross_cats_sorted":["astro-ph.EP"],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-11-16T15:53:22Z","title_canon_sha256":"315cee4cb5679d7204ec4e9449ca717f2210e1b03461682fa039828de883b4f4"},"schema_version":"1.0","source":{"id":"1811.06880","kind":"arxiv","version":1}},"canonical_sha256":"aeca944267027166da8373504bb2063e04abd7c039e8519e4cc667b6032d8e57","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"aeca944267027166da8373504bb2063e04abd7c039e8519e4cc667b6032d8e57","first_computed_at":"2026-05-17T23:58:01.641374Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:58:01.641374Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"tj5wSM9t3RZCCGTh1quERLRhA7TmbZVr1z2WrZh57sMgBxxIknbUPU0KwK649lEby1wVtHTkDCOpMqveEU2EBQ==","signature_status":"signed_v1","signed_at":"2026-05-17T23:58:01.641843Z","signed_message":"canonical_sha256_bytes"},"source_id":"1811.06880","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2001c65fde2c3e8159512df5d1cb32863452f0d71dcb5886a5366f39aa41899c","sha256:c69a338234a760ccc41f352ea6a5c382dcc1e3b42bd725f7bb35ca9499e912cd"],"state_sha256":"8fb0a02c85a3fed2b1b5e8eb4be31ee6e02d82827bbc38ccc050d3c3ff5f69c5"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1JZUsRuaV3nGJoC+1R40pprJtfhBcfOUq1eDCAlCrQjxMhwi9BPD6tD2p+z23cJVaj7CPk0oUdH9A/T6+0F2AA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T14:31:51.341012Z","bundle_sha256":"657dada79bad43a6048521be5a072acc49252cc58de0f53108be876a99a176f5"}}