{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:7DN56OFNXPS5DFFQCISABIVRDC","short_pith_number":"pith:7DN56OFN","canonical_record":{"source":{"id":"1810.06941","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2018-10-16T11:55:05Z","cross_cats_sorted":[],"title_canon_sha256":"d7533beb64f8b9e3114287da19efab203fb57369b1919b3b3d331d7de62401fe","abstract_canon_sha256":"c4e17e2396644845599cb5294f4955efcba9f2052f817dd80f65583478884905"},"schema_version":"1.0"},"canonical_sha256":"f8dbdf38adbbe5d194b0122400a2b1188e9d7e6a1f5121cc7712b3653f55d973","source":{"kind":"arxiv","id":"1810.06941","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1810.06941","created_at":"2026-05-17T23:59:48Z"},{"alias_kind":"arxiv_version","alias_value":"1810.06941v1","created_at":"2026-05-17T23:59:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.06941","created_at":"2026-05-17T23:59:48Z"},{"alias_kind":"pith_short_12","alias_value":"7DN56OFNXPS5","created_at":"2026-05-18T12:32:11Z"},{"alias_kind":"pith_short_16","alias_value":"7DN56OFNXPS5DFFQ","created_at":"2026-05-18T12:32:11Z"},{"alias_kind":"pith_short_8","alias_value":"7DN56OFN","created_at":"2026-05-18T12:32:11Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:7DN56OFNXPS5DFFQCISABIVRDC","target":"record","payload":{"canonical_record":{"source":{"id":"1810.06941","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2018-10-16T11:55:05Z","cross_cats_sorted":[],"title_canon_sha256":"d7533beb64f8b9e3114287da19efab203fb57369b1919b3b3d331d7de62401fe","abstract_canon_sha256":"c4e17e2396644845599cb5294f4955efcba9f2052f817dd80f65583478884905"},"schema_version":"1.0"},"canonical_sha256":"f8dbdf38adbbe5d194b0122400a2b1188e9d7e6a1f5121cc7712b3653f55d973","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:59:48.994871Z","signature_b64":"aFzNFv8eoHqQuq0BhIqbQxtLomf42YKJdUKgs+oVIr8IuoBkGC2EGWOa+rJhzhWpPk+tNypcKqOaG+RQV0V4Bg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f8dbdf38adbbe5d194b0122400a2b1188e9d7e6a1f5121cc7712b3653f55d973","last_reissued_at":"2026-05-17T23:59:48.994442Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:59:48.994442Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1810.06941","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":"2026-05-17T23:59:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"P6sadSDgzXzzw66i1y8ra3rRcb0/t1EadMmTBYMYKF7d4fDQzGB1JABxml3kvT5nlpaggVC0/DpanvRo72NjBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-20T00:38:40.929639Z"},"content_sha256":"25a4554cacf3d2fd9fa862428e0d33b492da858e71fce7d835d7943965563ee5","schema_version":"1.0","event_id":"sha256:25a4554cacf3d2fd9fa862428e0d33b492da858e71fce7d835d7943965563ee5"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:7DN56OFNXPS5DFFQCISABIVRDC","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"ALMA Reveals a Misaligned Inner Gas Disk inside the Large Cavity of a Transitional Disk","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Carol A. Grady, Daehyeon Oh, Eiji Akiyama, James Miley, Jerome de Leon, Jinshi Sai, Jun Hashimoto, Masahiko Hayashi, Michihiro Takami, Motohide Tamura, Olja Pani\\'c, Ruobing Dong, Satoshi Mayama, Shu-ichiro Inutsuka, Takashi Tsukagoshi, Takayuki Muto, Thayne Currie, Toshiyuki Mizuki","submitted_at":"2018-10-16T11:55:05Z","abstract_excerpt":"Pairs of azimuthal intensity decrements at near symmetric locations have been seen in a number of protoplanetary disks. They are most commonly interpreted as the two shadows cast by a highly misaligned inner disk. Direct evidence of such an inner disk, however, remain largely illusive, except in rare cases. In 2012, a pair of such shadows were discovered in scattered light observations of the near face-on disk around 2MASS J16042165-2130284, a transitional object with a cavity $\\sim$60 AU in radius. The star itself is a `dipper', with quasi-periodic dimming events on its light curve, commonly "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.06941","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":"2026-05-17T23:59:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OIP0HGw7wEl7wYWOAUXDpofXL2vaNzhKroiZxKqneW5K/LA9/CyaiejYOhN2vPA9pRul37VbzEyc4/Bphp85CA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-20T00:38:40.930423Z"},"content_sha256":"60eb225bf862880fad8628e27537cd46d823230bdab680e1603e2183d6ba7dd8","schema_version":"1.0","event_id":"sha256:60eb225bf862880fad8628e27537cd46d823230bdab680e1603e2183d6ba7dd8"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7DN56OFNXPS5DFFQCISABIVRDC/bundle.json","state_url":"https://pith.science/pith/7DN56OFNXPS5DFFQCISABIVRDC/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7DN56OFNXPS5DFFQCISABIVRDC/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":"2026-05-20T00:38:40Z","links":{"resolver":"https://pith.science/pith/7DN56OFNXPS5DFFQCISABIVRDC","bundle":"https://pith.science/pith/7DN56OFNXPS5DFFQCISABIVRDC/bundle.json","state":"https://pith.science/pith/7DN56OFNXPS5DFFQCISABIVRDC/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7DN56OFNXPS5DFFQCISABIVRDC/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:7DN56OFNXPS5DFFQCISABIVRDC","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":"c4e17e2396644845599cb5294f4955efcba9f2052f817dd80f65583478884905","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2018-10-16T11:55:05Z","title_canon_sha256":"d7533beb64f8b9e3114287da19efab203fb57369b1919b3b3d331d7de62401fe"},"schema_version":"1.0","source":{"id":"1810.06941","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1810.06941","created_at":"2026-05-17T23:59:48Z"},{"alias_kind":"arxiv_version","alias_value":"1810.06941v1","created_at":"2026-05-17T23:59:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.06941","created_at":"2026-05-17T23:59:48Z"},{"alias_kind":"pith_short_12","alias_value":"7DN56OFNXPS5","created_at":"2026-05-18T12:32:11Z"},{"alias_kind":"pith_short_16","alias_value":"7DN56OFNXPS5DFFQ","created_at":"2026-05-18T12:32:11Z"},{"alias_kind":"pith_short_8","alias_value":"7DN56OFN","created_at":"2026-05-18T12:32:11Z"}],"graph_snapshots":[{"event_id":"sha256:60eb225bf862880fad8628e27537cd46d823230bdab680e1603e2183d6ba7dd8","target":"graph","created_at":"2026-05-17T23:59:48Z","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":"Pairs of azimuthal intensity decrements at near symmetric locations have been seen in a number of protoplanetary disks. They are most commonly interpreted as the two shadows cast by a highly misaligned inner disk. Direct evidence of such an inner disk, however, remain largely illusive, except in rare cases. In 2012, a pair of such shadows were discovered in scattered light observations of the near face-on disk around 2MASS J16042165-2130284, a transitional object with a cavity $\\sim$60 AU in radius. The star itself is a `dipper', with quasi-periodic dimming events on its light curve, commonly ","authors_text":"Carol A. Grady, Daehyeon Oh, Eiji Akiyama, James Miley, Jerome de Leon, Jinshi Sai, Jun Hashimoto, Masahiko Hayashi, Michihiro Takami, Motohide Tamura, Olja Pani\\'c, Ruobing Dong, Satoshi Mayama, Shu-ichiro Inutsuka, Takashi Tsukagoshi, Takayuki Muto, Thayne Currie, Toshiyuki Mizuki","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2018-10-16T11:55:05Z","title":"ALMA Reveals a Misaligned Inner Gas Disk inside the Large Cavity of a Transitional Disk"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.06941","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":"sha256:25a4554cacf3d2fd9fa862428e0d33b492da858e71fce7d835d7943965563ee5","target":"record","created_at":"2026-05-17T23:59:48Z","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":"c4e17e2396644845599cb5294f4955efcba9f2052f817dd80f65583478884905","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2018-10-16T11:55:05Z","title_canon_sha256":"d7533beb64f8b9e3114287da19efab203fb57369b1919b3b3d331d7de62401fe"},"schema_version":"1.0","source":{"id":"1810.06941","kind":"arxiv","version":1}},"canonical_sha256":"f8dbdf38adbbe5d194b0122400a2b1188e9d7e6a1f5121cc7712b3653f55d973","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f8dbdf38adbbe5d194b0122400a2b1188e9d7e6a1f5121cc7712b3653f55d973","first_computed_at":"2026-05-17T23:59:48.994442Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:59:48.994442Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"aFzNFv8eoHqQuq0BhIqbQxtLomf42YKJdUKgs+oVIr8IuoBkGC2EGWOa+rJhzhWpPk+tNypcKqOaG+RQV0V4Bg==","signature_status":"signed_v1","signed_at":"2026-05-17T23:59:48.994871Z","signed_message":"canonical_sha256_bytes"},"source_id":"1810.06941","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:25a4554cacf3d2fd9fa862428e0d33b492da858e71fce7d835d7943965563ee5","sha256:60eb225bf862880fad8628e27537cd46d823230bdab680e1603e2183d6ba7dd8"],"state_sha256":"c4573e6965f0b1ba2f87e574521a031b4fc9f26573fad4f2957074430d5c384c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5k5P+4m8Cx8PTUQVG//RcdfmXRa4qQiQPFmS1K2f7iNoGa60fzJ6/NTXzYI1caSahzfjbZuw5B21cEDtXCz1DA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-20T00:38:40.934896Z","bundle_sha256":"23be6a585dc5a73b1640ffccaf830feb39c76ac63dc6e5b469ae60de8a14ccf6"}}