{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:TJCXTKZ6DG6HGY2YORIKB3TMZN","short_pith_number":"pith:TJCXTKZ6","canonical_record":{"source":{"id":"2406.14626","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2024-06-20T18:00:07Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"39a98988672873f0934efc14eb96747214bea17caa91f7aaea4a4da5cc3adab5","abstract_canon_sha256":"8bf9abae0ec11fa9379f40347f78d652f75a8bd9b657dbbb6e69cff48ed847ea"},"schema_version":"1.0"},"canonical_sha256":"9a4579ab3e19bc7363587450a0ee6ccb71aa94b1d2b3b667b7c322ce3dc6790d","source":{"kind":"arxiv","id":"2406.14626","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2406.14626","created_at":"2026-07-05T08:35:05Z"},{"alias_kind":"arxiv_version","alias_value":"2406.14626v1","created_at":"2026-07-05T08:35:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2406.14626","created_at":"2026-07-05T08:35:05Z"},{"alias_kind":"pith_short_12","alias_value":"TJCXTKZ6DG6H","created_at":"2026-07-05T08:35:05Z"},{"alias_kind":"pith_short_16","alias_value":"TJCXTKZ6DG6HGY2Y","created_at":"2026-07-05T08:35:05Z"},{"alias_kind":"pith_short_8","alias_value":"TJCXTKZ6","created_at":"2026-07-05T08:35:05Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:TJCXTKZ6DG6HGY2YORIKB3TMZN","target":"record","payload":{"canonical_record":{"source":{"id":"2406.14626","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2024-06-20T18:00:07Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"39a98988672873f0934efc14eb96747214bea17caa91f7aaea4a4da5cc3adab5","abstract_canon_sha256":"8bf9abae0ec11fa9379f40347f78d652f75a8bd9b657dbbb6e69cff48ed847ea"},"schema_version":"1.0"},"canonical_sha256":"9a4579ab3e19bc7363587450a0ee6ccb71aa94b1d2b3b667b7c322ce3dc6790d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:35:05.839014Z","signature_b64":"j5n6vzjTvny4MTfPS+Mdav4TPWX5YhUXOli+PTl5ve2DFu7XuhzP/jtlGZm7b8Q6LQGbaQiboZ8HD0Ttb8yNAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9a4579ab3e19bc7363587450a0ee6ccb71aa94b1d2b3b667b7c322ce3dc6790d","last_reissued_at":"2026-07-05T08:35:05.838581Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:35:05.838581Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2406.14626","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":"2026-07-05T08:35:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"96PsnXF57GYvAAoL8qlpZIwGDk02OF7wJaJTXo72nGT7moPOMe0khez78E/ClegOpnKmn5y/YSATygyN2+T9AA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-17T00:39:08.015222Z"},"content_sha256":"a3a17ff85b61ced0d0785b01fb800e6c0d1e9c0185daca16c6eccac810a05d76","schema_version":"1.0","event_id":"sha256:a3a17ff85b61ced0d0785b01fb800e6c0d1e9c0185daca16c6eccac810a05d76"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:TJCXTKZ6DG6HGY2YORIKB3TMZN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Inner walls or vortices? Crescent-shaped asymmetries in ALMA observations of protoplanetary discs","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.EP","authors_text":"\\'Alvaro Ribas, Cathie J. Clarke, Francesco Zagaria","submitted_at":"2024-06-20T18:00:07Z","abstract_excerpt":"Crescent-shaped asymmetries are common in millimetre observations of protoplanetary discs and are usually attributed to vortices or dust overdensities. However, they often appear on a single side of the major axis and roughly symmetric about the minor axis, suggesting a geometric origin. In this work, we interpret such asymmetries as emission from the exposed inner cavity walls of inclined discs and use them to characterise their vertical extent. Here we focus on the discs around CIDA 9 and RY Tau, first modelling their observations in visibility space with a simple geometric prescription for "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2406.14626","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/2406.14626/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":"2026-07-05T08:35:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VwSbUWl0iXvGfMyFpbAe7FbH4qJtrMra2aJP6PB+T/u4fiBkQhTZ6CCt1cqYxNw9zUwm7gTTI4qV86slfnwrCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-17T00:39:08.016215Z"},"content_sha256":"1ea643002bf96e27799ef65af1ec74732d42ef8b9eccc8afc5b80cf3948eb059","schema_version":"1.0","event_id":"sha256:1ea643002bf96e27799ef65af1ec74732d42ef8b9eccc8afc5b80cf3948eb059"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/TJCXTKZ6DG6HGY2YORIKB3TMZN/bundle.json","state_url":"https://pith.science/pith/TJCXTKZ6DG6HGY2YORIKB3TMZN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/TJCXTKZ6DG6HGY2YORIKB3TMZN/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":"2026-08-17T00:39:08Z","links":{"resolver":"https://pith.science/pith/TJCXTKZ6DG6HGY2YORIKB3TMZN","bundle":"https://pith.science/pith/TJCXTKZ6DG6HGY2YORIKB3TMZN/bundle.json","state":"https://pith.science/pith/TJCXTKZ6DG6HGY2YORIKB3TMZN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/TJCXTKZ6DG6HGY2YORIKB3TMZN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:TJCXTKZ6DG6HGY2YORIKB3TMZN","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":"8bf9abae0ec11fa9379f40347f78d652f75a8bd9b657dbbb6e69cff48ed847ea","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2024-06-20T18:00:07Z","title_canon_sha256":"39a98988672873f0934efc14eb96747214bea17caa91f7aaea4a4da5cc3adab5"},"schema_version":"1.0","source":{"id":"2406.14626","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2406.14626","created_at":"2026-07-05T08:35:05Z"},{"alias_kind":"arxiv_version","alias_value":"2406.14626v1","created_at":"2026-07-05T08:35:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2406.14626","created_at":"2026-07-05T08:35:05Z"},{"alias_kind":"pith_short_12","alias_value":"TJCXTKZ6DG6H","created_at":"2026-07-05T08:35:05Z"},{"alias_kind":"pith_short_16","alias_value":"TJCXTKZ6DG6HGY2Y","created_at":"2026-07-05T08:35:05Z"},{"alias_kind":"pith_short_8","alias_value":"TJCXTKZ6","created_at":"2026-07-05T08:35:05Z"}],"graph_snapshots":[{"event_id":"sha256:1ea643002bf96e27799ef65af1ec74732d42ef8b9eccc8afc5b80cf3948eb059","target":"graph","created_at":"2026-07-05T08:35:05Z","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/2406.14626/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Crescent-shaped asymmetries are common in millimetre observations of protoplanetary discs and are usually attributed to vortices or dust overdensities. However, they often appear on a single side of the major axis and roughly symmetric about the minor axis, suggesting a geometric origin. In this work, we interpret such asymmetries as emission from the exposed inner cavity walls of inclined discs and use them to characterise their vertical extent. Here we focus on the discs around CIDA 9 and RY Tau, first modelling their observations in visibility space with a simple geometric prescription for ","authors_text":"\\'Alvaro Ribas, Cathie J. Clarke, Francesco Zagaria","cross_cats":["astro-ph.SR"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2024-06-20T18:00:07Z","title":"Inner walls or vortices? Crescent-shaped asymmetries in ALMA observations of protoplanetary discs"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2406.14626","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:a3a17ff85b61ced0d0785b01fb800e6c0d1e9c0185daca16c6eccac810a05d76","target":"record","created_at":"2026-07-05T08:35:05Z","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":"8bf9abae0ec11fa9379f40347f78d652f75a8bd9b657dbbb6e69cff48ed847ea","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2024-06-20T18:00:07Z","title_canon_sha256":"39a98988672873f0934efc14eb96747214bea17caa91f7aaea4a4da5cc3adab5"},"schema_version":"1.0","source":{"id":"2406.14626","kind":"arxiv","version":1}},"canonical_sha256":"9a4579ab3e19bc7363587450a0ee6ccb71aa94b1d2b3b667b7c322ce3dc6790d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9a4579ab3e19bc7363587450a0ee6ccb71aa94b1d2b3b667b7c322ce3dc6790d","first_computed_at":"2026-07-05T08:35:05.838581Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T08:35:05.838581Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"j5n6vzjTvny4MTfPS+Mdav4TPWX5YhUXOli+PTl5ve2DFu7XuhzP/jtlGZm7b8Q6LQGbaQiboZ8HD0Ttb8yNAg==","signature_status":"signed_v1","signed_at":"2026-07-05T08:35:05.839014Z","signed_message":"canonical_sha256_bytes"},"source_id":"2406.14626","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a3a17ff85b61ced0d0785b01fb800e6c0d1e9c0185daca16c6eccac810a05d76","sha256:1ea643002bf96e27799ef65af1ec74732d42ef8b9eccc8afc5b80cf3948eb059"],"state_sha256":"0c02db45f89497997a3f7d40ee1ebc8d514492c62c73ae195d59eee2f33060a2"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5OmP3nJgWbHDDh0TWJP2Tf7PTGi4WxiFShju8kiVG9NnaSAyck4Z/4Z6m4jeNwYrQ9NLYtohIWbqOTnSDfQgAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-17T00:39:08.023467Z","bundle_sha256":"f416b88e50e42cf529742c583131d60b095e7fc208fb2d7e7b9b4ce634f2ce6d"}}