{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:DQZFBWCAGCORT5CXU7QFPKAGPJ","short_pith_number":"pith:DQZFBWCA","canonical_record":{"source":{"id":"2606.25794","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2026-06-24T13:13:23Z","cross_cats_sorted":["astro-ph.IM"],"title_canon_sha256":"b234a59c1b0a79506a992674af1858cbef7b74a349dda974dca2fe628d06edf3","abstract_canon_sha256":"fe0cae68dd755172cd1fd7e88f96345ceaa5144a21d74bd331751e8dd2f0ccc4"},"schema_version":"1.0"},"canonical_sha256":"1c3250d840309d19f457a7e057a8067a77931b307f56f15789996a57c50235e6","source":{"kind":"arxiv","id":"2606.25794","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.25794","created_at":"2026-06-25T01:18:15Z"},{"alias_kind":"arxiv_version","alias_value":"2606.25794v1","created_at":"2026-06-25T01:18:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.25794","created_at":"2026-06-25T01:18:15Z"},{"alias_kind":"pith_short_12","alias_value":"DQZFBWCAGCOR","created_at":"2026-06-25T01:18:15Z"},{"alias_kind":"pith_short_16","alias_value":"DQZFBWCAGCORT5CX","created_at":"2026-06-25T01:18:15Z"},{"alias_kind":"pith_short_8","alias_value":"DQZFBWCA","created_at":"2026-06-25T01:18:15Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:DQZFBWCAGCORT5CXU7QFPKAGPJ","target":"record","payload":{"canonical_record":{"source":{"id":"2606.25794","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2026-06-24T13:13:23Z","cross_cats_sorted":["astro-ph.IM"],"title_canon_sha256":"b234a59c1b0a79506a992674af1858cbef7b74a349dda974dca2fe628d06edf3","abstract_canon_sha256":"fe0cae68dd755172cd1fd7e88f96345ceaa5144a21d74bd331751e8dd2f0ccc4"},"schema_version":"1.0"},"canonical_sha256":"1c3250d840309d19f457a7e057a8067a77931b307f56f15789996a57c50235e6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-25T01:18:15.397589Z","signature_b64":"AEZMR74n3XNq+JOBG5O3AtBuza6ZYpnVVjcnwIEcGCM/lLFwk7GnYb9BcAOYVsTx3uWXHM3wNZIOQKXoT+G+Cw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1c3250d840309d19f457a7e057a8067a77931b307f56f15789996a57c50235e6","last_reissued_at":"2026-06-25T01:18:15.397208Z","signature_status":"signed_v1","first_computed_at":"2026-06-25T01:18:15.397208Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2606.25794","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":"2026-06-25T01:18:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DhOz9cyCvq8VnqkFMQ8eE+JkrlhSgHNVd7TqGFuaOocZVZ2icZ5bqbaJg7vs5wxlyuCB8PC4LwM4ke4WUZdYDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-25T19:43:51.398463Z"},"content_sha256":"78fe3aa535aa08e4c97c88647c8f4c9e3015f42a6f10f2bbcb2e2ec0bf0e34a2","schema_version":"1.0","event_id":"sha256:78fe3aa535aa08e4c97c88647c8f4c9e3015f42a6f10f2bbcb2e2ec0bf0e34a2"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:DQZFBWCAGCORT5CXU7QFPKAGPJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Substructures in Planet-Forming Disks with the SKAO","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","headline":"","cross_cats":["astro-ph.IM"],"primary_cat":"astro-ph.EP","authors_text":"Antonio Garufi, Asmita Bhandare, Cassandra Hall, Claudia Toci, Claudio Codella, Danai Polychroni, Daniel J. Price, David Wilner, Diego Turrini, Elenia Pacetti, Eleonora Bianchi, Eugenio Schisano, Gemma Busquet, Giovanni Sabatini, Greta Guidi, Haochang Jiang, Hauyu Baobab Liu, Izaskun Jim\\'enez-Serra, Jaime Pineda, Jessica Speedie, John D. Ilee, Leonardo Testi, Linda Podio, Marion Villenave, Mayank Narang, Nicol\\'as Cuello, Paola Pinilla, Richard A. Booth, Ruobing Dong, Sebasti\\'an P\\'erez, Simon Casassus, Takahiro Ueda, Tilman Birnstiel, Tyler L. Bourke, Yinhao Wu, Yi-Xian Chen","submitted_at":"2026-06-24T13:13:23Z","abstract_excerpt":"Disks of gas and dust orbiting young stars are the arenas and material reservoirs for planet formation. Over the past decade, multiwavelength observations, from infrared to radio, have resolved the spatial distribution of hundreds of protoplanetary disks in nearby star-forming regions, revealing a diverse zoo of substructures. These substructures are morphological features such as rings, gaps, spirals, vortices, asymmetries, warps, or clumps that trace variations in density, temperature, or composition relative to an otherwise smooth distribution of gas and dust. Many unknowns persist as to th"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.25794","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/2606.25794/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":"2026-06-25T01:18:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"b5590VXrU58Qgnr1H2QtHTpCfd3L2cv1tg3YrgaoH4C+bNR2i368XT+vvPDMcndulfXl3PEx8mCggeIO7NldCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-25T19:43:51.398843Z"},"content_sha256":"0419f8ed9f2ee74d3cea697b36fe49103c4dafdfde52b7035d21c1c73e1e2330","schema_version":"1.0","event_id":"sha256:0419f8ed9f2ee74d3cea697b36fe49103c4dafdfde52b7035d21c1c73e1e2330"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DQZFBWCAGCORT5CXU7QFPKAGPJ/bundle.json","state_url":"https://pith.science/pith/DQZFBWCAGCORT5CXU7QFPKAGPJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DQZFBWCAGCORT5CXU7QFPKAGPJ/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":"2026-06-25T19:43:51Z","links":{"resolver":"https://pith.science/pith/DQZFBWCAGCORT5CXU7QFPKAGPJ","bundle":"https://pith.science/pith/DQZFBWCAGCORT5CXU7QFPKAGPJ/bundle.json","state":"https://pith.science/pith/DQZFBWCAGCORT5CXU7QFPKAGPJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DQZFBWCAGCORT5CXU7QFPKAGPJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:DQZFBWCAGCORT5CXU7QFPKAGPJ","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":"fe0cae68dd755172cd1fd7e88f96345ceaa5144a21d74bd331751e8dd2f0ccc4","cross_cats_sorted":["astro-ph.IM"],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2026-06-24T13:13:23Z","title_canon_sha256":"b234a59c1b0a79506a992674af1858cbef7b74a349dda974dca2fe628d06edf3"},"schema_version":"1.0","source":{"id":"2606.25794","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.25794","created_at":"2026-06-25T01:18:15Z"},{"alias_kind":"arxiv_version","alias_value":"2606.25794v1","created_at":"2026-06-25T01:18:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.25794","created_at":"2026-06-25T01:18:15Z"},{"alias_kind":"pith_short_12","alias_value":"DQZFBWCAGCOR","created_at":"2026-06-25T01:18:15Z"},{"alias_kind":"pith_short_16","alias_value":"DQZFBWCAGCORT5CX","created_at":"2026-06-25T01:18:15Z"},{"alias_kind":"pith_short_8","alias_value":"DQZFBWCA","created_at":"2026-06-25T01:18:15Z"}],"graph_snapshots":[{"event_id":"sha256:0419f8ed9f2ee74d3cea697b36fe49103c4dafdfde52b7035d21c1c73e1e2330","target":"graph","created_at":"2026-06-25T01:18:15Z","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/2606.25794/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Disks of gas and dust orbiting young stars are the arenas and material reservoirs for planet formation. Over the past decade, multiwavelength observations, from infrared to radio, have resolved the spatial distribution of hundreds of protoplanetary disks in nearby star-forming regions, revealing a diverse zoo of substructures. These substructures are morphological features such as rings, gaps, spirals, vortices, asymmetries, warps, or clumps that trace variations in density, temperature, or composition relative to an otherwise smooth distribution of gas and dust. Many unknowns persist as to th","authors_text":"Antonio Garufi, Asmita Bhandare, Cassandra Hall, Claudia Toci, Claudio Codella, Danai Polychroni, Daniel J. Price, David Wilner, Diego Turrini, Elenia Pacetti, Eleonora Bianchi, Eugenio Schisano, Gemma Busquet, Giovanni Sabatini, Greta Guidi, Haochang Jiang, Hauyu Baobab Liu, Izaskun Jim\\'enez-Serra, Jaime Pineda, Jessica Speedie, John D. Ilee, Leonardo Testi, Linda Podio, Marion Villenave, Mayank Narang, Nicol\\'as Cuello, Paola Pinilla, Richard A. Booth, Ruobing Dong, Sebasti\\'an P\\'erez, Simon Casassus, Takahiro Ueda, Tilman Birnstiel, Tyler L. Bourke, Yinhao Wu, Yi-Xian Chen","cross_cats":["astro-ph.IM"],"headline":"","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2026-06-24T13:13:23Z","title":"Substructures in Planet-Forming Disks with the SKAO"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.25794","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":"sha256:78fe3aa535aa08e4c97c88647c8f4c9e3015f42a6f10f2bbcb2e2ec0bf0e34a2","target":"record","created_at":"2026-06-25T01:18:15Z","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":"fe0cae68dd755172cd1fd7e88f96345ceaa5144a21d74bd331751e8dd2f0ccc4","cross_cats_sorted":["astro-ph.IM"],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2026-06-24T13:13:23Z","title_canon_sha256":"b234a59c1b0a79506a992674af1858cbef7b74a349dda974dca2fe628d06edf3"},"schema_version":"1.0","source":{"id":"2606.25794","kind":"arxiv","version":1}},"canonical_sha256":"1c3250d840309d19f457a7e057a8067a77931b307f56f15789996a57c50235e6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1c3250d840309d19f457a7e057a8067a77931b307f56f15789996a57c50235e6","first_computed_at":"2026-06-25T01:18:15.397208Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-25T01:18:15.397208Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"AEZMR74n3XNq+JOBG5O3AtBuza6ZYpnVVjcnwIEcGCM/lLFwk7GnYb9BcAOYVsTx3uWXHM3wNZIOQKXoT+G+Cw==","signature_status":"signed_v1","signed_at":"2026-06-25T01:18:15.397589Z","signed_message":"canonical_sha256_bytes"},"source_id":"2606.25794","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:78fe3aa535aa08e4c97c88647c8f4c9e3015f42a6f10f2bbcb2e2ec0bf0e34a2","sha256:0419f8ed9f2ee74d3cea697b36fe49103c4dafdfde52b7035d21c1c73e1e2330"],"state_sha256":"02a0c67cc85c29882227f23c4b76b2092fba7c8b3afeea8f5e0734dbde48d4a2"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qOugibXefmL8WVyNnN1qD0wAUKPRSeeWpSrRbgygimxLW7uVj15Mvs8MZIIqCZ3t2YkI/q1LGHhtHisLBaFSAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-25T19:43:51.401462Z","bundle_sha256":"b79cf553590c456e4703155fec374c775228c5cb4295df9813c8579feb8d861b"}}