{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:GXWZINF7BDTG73O6OJCJJD62RO","short_pith_number":"pith:GXWZINF7","canonical_record":{"source":{"id":"2012.04680","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2020-12-08T19:07:22Z","cross_cats_sorted":[],"title_canon_sha256":"9fb741581b96a6e46a751372e3b377511113db5e167c53b47acf30e9106c640c","abstract_canon_sha256":"a2cf547daab50fb50d28be380f2507e5662d8f128c0a1fbe0e5e532be6fa3605"},"schema_version":"1.0"},"canonical_sha256":"35ed9434bf08e66fedde7244948fda8b81161b7b226fe25f3555a05699e333d4","source":{"kind":"arxiv","id":"2012.04680","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2012.04680","created_at":"2026-07-05T02:29:38Z"},{"alias_kind":"arxiv_version","alias_value":"2012.04680v1","created_at":"2026-07-05T02:29:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2012.04680","created_at":"2026-07-05T02:29:38Z"},{"alias_kind":"pith_short_12","alias_value":"GXWZINF7BDTG","created_at":"2026-07-05T02:29:38Z"},{"alias_kind":"pith_short_16","alias_value":"GXWZINF7BDTG73O6","created_at":"2026-07-05T02:29:38Z"},{"alias_kind":"pith_short_8","alias_value":"GXWZINF7","created_at":"2026-07-05T02:29:38Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:GXWZINF7BDTG73O6OJCJJD62RO","target":"record","payload":{"canonical_record":{"source":{"id":"2012.04680","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2020-12-08T19:07:22Z","cross_cats_sorted":[],"title_canon_sha256":"9fb741581b96a6e46a751372e3b377511113db5e167c53b47acf30e9106c640c","abstract_canon_sha256":"a2cf547daab50fb50d28be380f2507e5662d8f128c0a1fbe0e5e532be6fa3605"},"schema_version":"1.0"},"canonical_sha256":"35ed9434bf08e66fedde7244948fda8b81161b7b226fe25f3555a05699e333d4","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:29:38.425889Z","signature_b64":"2lSiDQDDn8bEEj4INplXrG6+CSLnAXU8L8OTCs9Ts3sNGYjGvaWLMwgaBffKWj3NCbRJa7qC+1XU/pY0RygTDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"35ed9434bf08e66fedde7244948fda8b81161b7b226fe25f3555a05699e333d4","last_reissued_at":"2026-07-05T02:29:38.425401Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:29:38.425401Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2012.04680","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":"2026-07-05T02:29:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dWExBo1xSM91fZjBDCbvVAOi6FLAdL167syz7uikPihqT0nQf9VAtIVDWDaDCcZOVnDHv0JTGXE6FxqLPhC6Bg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-26T10:27:44.599419Z"},"content_sha256":"d6468382f94fdb3faf0225f8fb96597a7ea9c6d00b23225832d01b7ea356c776","schema_version":"1.0","event_id":"sha256:d6468382f94fdb3faf0225f8fb96597a7ea9c6d00b23225832d01b7ea356c776"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:GXWZINF7BDTG73O6OJCJJD62RO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A highly non-Keplerian protoplanetary disc: Spiral structure in the gas disc of CQ Tau","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Anna Miotello, Barbara Ercolano, Ewine F. van Dishoeck, Giovanni Rosotti, Giuseppe Lodato, Leonardo Testi, Lisa W\\\"olfer, Maria Giulia Ubeira Gabellini, Myriam Benisty, Nicolas T. Kurtovic, Richard Teague, Stefano Facchini","submitted_at":"2020-12-08T19:07:22Z","abstract_excerpt":"In the past years, high angular resolution observations have revealed that circumstellar discs appear in a variety of shapes with diverse substructures being ubiquitous. This has given rise to the question of whether these substructures are triggered by planet-disc interactions. Besides direct imaging, one of the most promising methods to distinguish between different disc shaping mechanisms is to study the kinematics of the gas disc. In particular, the deviations of the rotation profile from Keplerian velocity can be used to probe perturbations in the gas pressure profile that may be caused b"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2012.04680","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2012.04680/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":"2026-07-05T02:29:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Q0c2WiBCohN2Pv4UtOliuFdibpO+S6x0erUowP1CRI7HBNJJh1YBk2n/llHtXaSRSqWaWGAnduwza4vsxRdgDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-26T10:27:44.599801Z"},"content_sha256":"d32026d9bed25bea4846c127500b0ff9709a6112db0150b0be222fb009aae601","schema_version":"1.0","event_id":"sha256:d32026d9bed25bea4846c127500b0ff9709a6112db0150b0be222fb009aae601"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/GXWZINF7BDTG73O6OJCJJD62RO/bundle.json","state_url":"https://pith.science/pith/GXWZINF7BDTG73O6OJCJJD62RO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/GXWZINF7BDTG73O6OJCJJD62RO/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":"2026-07-26T10:27:44Z","links":{"resolver":"https://pith.science/pith/GXWZINF7BDTG73O6OJCJJD62RO","bundle":"https://pith.science/pith/GXWZINF7BDTG73O6OJCJJD62RO/bundle.json","state":"https://pith.science/pith/GXWZINF7BDTG73O6OJCJJD62RO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/GXWZINF7BDTG73O6OJCJJD62RO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:GXWZINF7BDTG73O6OJCJJD62RO","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":"a2cf547daab50fb50d28be380f2507e5662d8f128c0a1fbe0e5e532be6fa3605","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2020-12-08T19:07:22Z","title_canon_sha256":"9fb741581b96a6e46a751372e3b377511113db5e167c53b47acf30e9106c640c"},"schema_version":"1.0","source":{"id":"2012.04680","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2012.04680","created_at":"2026-07-05T02:29:38Z"},{"alias_kind":"arxiv_version","alias_value":"2012.04680v1","created_at":"2026-07-05T02:29:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2012.04680","created_at":"2026-07-05T02:29:38Z"},{"alias_kind":"pith_short_12","alias_value":"GXWZINF7BDTG","created_at":"2026-07-05T02:29:38Z"},{"alias_kind":"pith_short_16","alias_value":"GXWZINF7BDTG73O6","created_at":"2026-07-05T02:29:38Z"},{"alias_kind":"pith_short_8","alias_value":"GXWZINF7","created_at":"2026-07-05T02:29:38Z"}],"graph_snapshots":[{"event_id":"sha256:d32026d9bed25bea4846c127500b0ff9709a6112db0150b0be222fb009aae601","target":"graph","created_at":"2026-07-05T02:29:38Z","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/2012.04680/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In the past years, high angular resolution observations have revealed that circumstellar discs appear in a variety of shapes with diverse substructures being ubiquitous. This has given rise to the question of whether these substructures are triggered by planet-disc interactions. Besides direct imaging, one of the most promising methods to distinguish between different disc shaping mechanisms is to study the kinematics of the gas disc. In particular, the deviations of the rotation profile from Keplerian velocity can be used to probe perturbations in the gas pressure profile that may be caused b","authors_text":"Anna Miotello, Barbara Ercolano, Ewine F. van Dishoeck, Giovanni Rosotti, Giuseppe Lodato, Leonardo Testi, Lisa W\\\"olfer, Maria Giulia Ubeira Gabellini, Myriam Benisty, Nicolas T. Kurtovic, Richard Teague, Stefano Facchini","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2020-12-08T19:07:22Z","title":"A highly non-Keplerian protoplanetary disc: Spiral structure in the gas disc of CQ Tau"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2012.04680","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:d6468382f94fdb3faf0225f8fb96597a7ea9c6d00b23225832d01b7ea356c776","target":"record","created_at":"2026-07-05T02:29:38Z","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":"a2cf547daab50fb50d28be380f2507e5662d8f128c0a1fbe0e5e532be6fa3605","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2020-12-08T19:07:22Z","title_canon_sha256":"9fb741581b96a6e46a751372e3b377511113db5e167c53b47acf30e9106c640c"},"schema_version":"1.0","source":{"id":"2012.04680","kind":"arxiv","version":1}},"canonical_sha256":"35ed9434bf08e66fedde7244948fda8b81161b7b226fe25f3555a05699e333d4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"35ed9434bf08e66fedde7244948fda8b81161b7b226fe25f3555a05699e333d4","first_computed_at":"2026-07-05T02:29:38.425401Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:29:38.425401Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"2lSiDQDDn8bEEj4INplXrG6+CSLnAXU8L8OTCs9Ts3sNGYjGvaWLMwgaBffKWj3NCbRJa7qC+1XU/pY0RygTDg==","signature_status":"signed_v1","signed_at":"2026-07-05T02:29:38.425889Z","signed_message":"canonical_sha256_bytes"},"source_id":"2012.04680","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d6468382f94fdb3faf0225f8fb96597a7ea9c6d00b23225832d01b7ea356c776","sha256:d32026d9bed25bea4846c127500b0ff9709a6112db0150b0be222fb009aae601"],"state_sha256":"4bde25412cbed9f8ecf6b723fbb569830e67846764a9697488493fc93d536f89"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0LceQqwIo9QVurja6HD8FMFdraaA8ugTTjEoxa8Gjz6a7w7K46V8t5OjHx+pIFnTd+7ruRqgreD1g5BegdpnAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-26T10:27:44.602507Z","bundle_sha256":"2e4a801da1334bd975729be195d6ae3ea6a15d90eae511c2cb6a83ebdb975c54"}}