{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:SRRLHB6F2BNVTMADNTOOEMTCG2","short_pith_number":"pith:SRRLHB6F","canonical_record":{"source":{"id":"1812.04041","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2018-12-10T19:31:57Z","cross_cats_sorted":["astro-ph.GA","astro-ph.SR"],"title_canon_sha256":"7a8896f427c25341e7ff5a52fb5a026c6c30ca8aeb5b3f1b50f40412e810f03c","abstract_canon_sha256":"003190c5889d2541372ebbf2818752a2e0d1409312f3d334ba66e35e1def2cfb"},"schema_version":"1.0"},"canonical_sha256":"9462b387c5d05b59b0036cdce23262368d832790c593b0c071bce68e6705f16c","source":{"kind":"arxiv","id":"1812.04041","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1812.04041","created_at":"2026-07-05T01:26:37Z"},{"alias_kind":"arxiv_version","alias_value":"1812.04041v3","created_at":"2026-07-05T01:26:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1812.04041","created_at":"2026-07-05T01:26:37Z"},{"alias_kind":"pith_short_12","alias_value":"SRRLHB6F2BNV","created_at":"2026-07-05T01:26:37Z"},{"alias_kind":"pith_short_16","alias_value":"SRRLHB6F2BNVTMAD","created_at":"2026-07-05T01:26:37Z"},{"alias_kind":"pith_short_8","alias_value":"SRRLHB6F","created_at":"2026-07-05T01:26:37Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:SRRLHB6F2BNVTMADNTOOEMTCG2","target":"record","payload":{"canonical_record":{"source":{"id":"1812.04041","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2018-12-10T19:31:57Z","cross_cats_sorted":["astro-ph.GA","astro-ph.SR"],"title_canon_sha256":"7a8896f427c25341e7ff5a52fb5a026c6c30ca8aeb5b3f1b50f40412e810f03c","abstract_canon_sha256":"003190c5889d2541372ebbf2818752a2e0d1409312f3d334ba66e35e1def2cfb"},"schema_version":"1.0"},"canonical_sha256":"9462b387c5d05b59b0036cdce23262368d832790c593b0c071bce68e6705f16c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:26:37.884602Z","signature_b64":"OrevSsbA4kgJ2Q/uXuyBNBoaw4qdS2SboIcZnQXWtf21wEcFjYzplAeCx84f2NFmPvx8UVAZH16rmZ2LeuU1BA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9462b387c5d05b59b0036cdce23262368d832790c593b0c071bce68e6705f16c","last_reissued_at":"2026-07-05T01:26:37.883986Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:26:37.883986Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1812.04041","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T01:26:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jIEuIxSS+qs0XH+6g/MYs+kNl1PdoTdql8MAsgT1ClGfSFroAbF8LDvx+ab5T2aqDHamsp+hxY5nlVoWZdHiDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T10:02:38.434184Z"},"content_sha256":"7197feec16205c5a6df5fc9790d260f19fa00be964f174c3dfb7ef268f51e982","schema_version":"1.0","event_id":"sha256:7197feec16205c5a6df5fc9790d260f19fa00be964f174c3dfb7ef268f51e982"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:SRRLHB6F2BNVTMADNTOOEMTCG2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Disk Substructures at High Angular Resolution Project (DSHARP): II. Characteristics of Annular Substructures","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA","astro-ph.SR"],"primary_cat":"astro-ph.EP","authors_text":"A. Meredith Hughes, Andrea Isella, Cornelis P. Dullemond, David J. Wilner, Erik Weaver, Jane Huang, John M. Carpenter, Karin I. \\\"Oberg, Laura M. P\\'erez, Luca Ricci, Myriam Benisty, Sean M. Andrews, Shangjia Zhang, Tilman Birnstiel, Viviana V. Guzm\\'an, Xue-Ning Bai, Zhaohuan Zhu","submitted_at":"2018-12-10T19:31:57Z","abstract_excerpt":"The Disk Substructures at High Angular Resolution Project used ALMA to map the 1.25 millimeter continuum of protoplanetary disks at a spatial resolution of ~5 au. We present a systematic analysis of annular substructures in the 18 single-disk systems targeted in this survey. No dominant architecture emerges from this sample; instead, remarkably diverse morphologies are observed. Annular substructures can occur at virtually any radius where millimeter continuum emission is detected and range in widths from a few au to tens of au. Intensity ratios between gaps and adjacent rings range from near-"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1812.04041","kind":"arxiv","version":3},"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/1812.04041/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":"2026-07-05T01:26:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wRtuuWXUa+ISo6rhrVTA8oec0kDjCfyHpRJJJfWrRJdCR+bIKSJAxX/eHCvxfUOH1iMFZw9tqvQJ2dlhGrseDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T10:02:38.434585Z"},"content_sha256":"18d83d5892577b666cee29026e80722b5e82f71bce3cf29c77b28f62b0ebdb59","schema_version":"1.0","event_id":"sha256:18d83d5892577b666cee29026e80722b5e82f71bce3cf29c77b28f62b0ebdb59"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/SRRLHB6F2BNVTMADNTOOEMTCG2/bundle.json","state_url":"https://pith.science/pith/SRRLHB6F2BNVTMADNTOOEMTCG2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/SRRLHB6F2BNVTMADNTOOEMTCG2/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":"2026-07-06T10:02:38Z","links":{"resolver":"https://pith.science/pith/SRRLHB6F2BNVTMADNTOOEMTCG2","bundle":"https://pith.science/pith/SRRLHB6F2BNVTMADNTOOEMTCG2/bundle.json","state":"https://pith.science/pith/SRRLHB6F2BNVTMADNTOOEMTCG2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/SRRLHB6F2BNVTMADNTOOEMTCG2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:SRRLHB6F2BNVTMADNTOOEMTCG2","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":"003190c5889d2541372ebbf2818752a2e0d1409312f3d334ba66e35e1def2cfb","cross_cats_sorted":["astro-ph.GA","astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2018-12-10T19:31:57Z","title_canon_sha256":"7a8896f427c25341e7ff5a52fb5a026c6c30ca8aeb5b3f1b50f40412e810f03c"},"schema_version":"1.0","source":{"id":"1812.04041","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1812.04041","created_at":"2026-07-05T01:26:37Z"},{"alias_kind":"arxiv_version","alias_value":"1812.04041v3","created_at":"2026-07-05T01:26:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1812.04041","created_at":"2026-07-05T01:26:37Z"},{"alias_kind":"pith_short_12","alias_value":"SRRLHB6F2BNV","created_at":"2026-07-05T01:26:37Z"},{"alias_kind":"pith_short_16","alias_value":"SRRLHB6F2BNVTMAD","created_at":"2026-07-05T01:26:37Z"},{"alias_kind":"pith_short_8","alias_value":"SRRLHB6F","created_at":"2026-07-05T01:26:37Z"}],"graph_snapshots":[{"event_id":"sha256:18d83d5892577b666cee29026e80722b5e82f71bce3cf29c77b28f62b0ebdb59","target":"graph","created_at":"2026-07-05T01:26:37Z","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/1812.04041/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The Disk Substructures at High Angular Resolution Project used ALMA to map the 1.25 millimeter continuum of protoplanetary disks at a spatial resolution of ~5 au. We present a systematic analysis of annular substructures in the 18 single-disk systems targeted in this survey. No dominant architecture emerges from this sample; instead, remarkably diverse morphologies are observed. Annular substructures can occur at virtually any radius where millimeter continuum emission is detected and range in widths from a few au to tens of au. Intensity ratios between gaps and adjacent rings range from near-","authors_text":"A. Meredith Hughes, Andrea Isella, Cornelis P. Dullemond, David J. Wilner, Erik Weaver, Jane Huang, John M. Carpenter, Karin I. \\\"Oberg, Laura M. P\\'erez, Luca Ricci, Myriam Benisty, Sean M. Andrews, Shangjia Zhang, Tilman Birnstiel, Viviana V. Guzm\\'an, Xue-Ning Bai, Zhaohuan Zhu","cross_cats":["astro-ph.GA","astro-ph.SR"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2018-12-10T19:31:57Z","title":"The Disk Substructures at High Angular Resolution Project (DSHARP): II. Characteristics of Annular Substructures"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1812.04041","kind":"arxiv","version":3},"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":"sha256:7197feec16205c5a6df5fc9790d260f19fa00be964f174c3dfb7ef268f51e982","target":"record","created_at":"2026-07-05T01:26:37Z","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":"003190c5889d2541372ebbf2818752a2e0d1409312f3d334ba66e35e1def2cfb","cross_cats_sorted":["astro-ph.GA","astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2018-12-10T19:31:57Z","title_canon_sha256":"7a8896f427c25341e7ff5a52fb5a026c6c30ca8aeb5b3f1b50f40412e810f03c"},"schema_version":"1.0","source":{"id":"1812.04041","kind":"arxiv","version":3}},"canonical_sha256":"9462b387c5d05b59b0036cdce23262368d832790c593b0c071bce68e6705f16c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9462b387c5d05b59b0036cdce23262368d832790c593b0c071bce68e6705f16c","first_computed_at":"2026-07-05T01:26:37.883986Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:26:37.883986Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"OrevSsbA4kgJ2Q/uXuyBNBoaw4qdS2SboIcZnQXWtf21wEcFjYzplAeCx84f2NFmPvx8UVAZH16rmZ2LeuU1BA==","signature_status":"signed_v1","signed_at":"2026-07-05T01:26:37.884602Z","signed_message":"canonical_sha256_bytes"},"source_id":"1812.04041","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7197feec16205c5a6df5fc9790d260f19fa00be964f174c3dfb7ef268f51e982","sha256:18d83d5892577b666cee29026e80722b5e82f71bce3cf29c77b28f62b0ebdb59"],"state_sha256":"187a2da6cd9aba8019759cc0a8fa1f7d6eb0ff02b27e9b443eb4a41770340a8b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TYd+vLIc3vz2MKzNNhIisl6zp3R5bKE/oeXshARkUc1mIA0jkdPH8eCU+94ZbZ2r9ZFxdizHyJ5VEoyVaxsaDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-06T10:02:38.436539Z","bundle_sha256":"73583eb8b03354d5230c4722b6d0ae200de7a7d9e3531ae9292a1c85a2683eef"}}