{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:CMN55NO2FWVOXDFNZYNZZ37OK7","short_pith_number":"pith:CMN55NO2","canonical_record":{"source":{"id":"2005.07709","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2020-05-15T18:00:01Z","cross_cats_sorted":["astro-ph.IM"],"title_canon_sha256":"43764be7dd592a069626aae19f9d3c7f9c8d1a66c6191544208fa7d22a86357b","abstract_canon_sha256":"96c347c2be59eb2a1ecf08559307816c14614807e4d2f257f24e6901dde026b3"},"schema_version":"1.0"},"canonical_sha256":"131bdeb5da2daaeb8cadce1b9cefee57d21b50e9a43b260d62fa719a9c4e9cec","source":{"kind":"arxiv","id":"2005.07709","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2005.07709","created_at":"2026-07-05T01:12:46Z"},{"alias_kind":"arxiv_version","alias_value":"2005.07709v2","created_at":"2026-07-05T01:12:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2005.07709","created_at":"2026-07-05T01:12:46Z"},{"alias_kind":"pith_short_12","alias_value":"CMN55NO2FWVO","created_at":"2026-07-05T01:12:46Z"},{"alias_kind":"pith_short_16","alias_value":"CMN55NO2FWVOXDFN","created_at":"2026-07-05T01:12:46Z"},{"alias_kind":"pith_short_8","alias_value":"CMN55NO2","created_at":"2026-07-05T01:12:46Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:CMN55NO2FWVOXDFNZYNZZ37OK7","target":"record","payload":{"canonical_record":{"source":{"id":"2005.07709","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2020-05-15T18:00:01Z","cross_cats_sorted":["astro-ph.IM"],"title_canon_sha256":"43764be7dd592a069626aae19f9d3c7f9c8d1a66c6191544208fa7d22a86357b","abstract_canon_sha256":"96c347c2be59eb2a1ecf08559307816c14614807e4d2f257f24e6901dde026b3"},"schema_version":"1.0"},"canonical_sha256":"131bdeb5da2daaeb8cadce1b9cefee57d21b50e9a43b260d62fa719a9c4e9cec","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:12:46.650959Z","signature_b64":"QdXcZa1kU9wf96qDQavj65W58kbokgUsWMCqDXs5SwRypVu9EqRM6Xl8xowS1pp/x2RTpkhP+JRAYJ6xPpudAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"131bdeb5da2daaeb8cadce1b9cefee57d21b50e9a43b260d62fa719a9c4e9cec","last_reissued_at":"2026-07-05T01:12:46.650462Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:12:46.650462Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2005.07709","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T01:12:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XdmIuttqcSMcnHZVxF1nJwMmBy+v6nzaMZc1ilvkGj2WhTl8JtvNjrpk86kL36ncIGF4MUUqyRTo3u0i08V1Dg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T19:35:46.015199Z"},"content_sha256":"c2aa742095d821b16b937142afe0203f821010f3f246e95c54b849f1f0f70de1","schema_version":"1.0","event_id":"sha256:c2aa742095d821b16b937142afe0203f821010f3f246e95c54b849f1f0f70de1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:CMN55NO2FWVOXDFNZYNZZ37OK7","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Frankenstein: Protoplanetary disc brightness profile reconstruction at sub-beam resolution with a rapid Gaussian process","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.IM"],"primary_cat":"astro-ph.EP","authors_text":"Cathie J. Clarke, Giovanni P. Rosotti, Jeff Jennings, Marco Tazzari, Richard A. Booth","submitted_at":"2020-05-15T18:00:01Z","abstract_excerpt":"Interferometric observations of the mm dust distribution in protoplanetary discs are now showing a ubiquity of annular gap and ring substructures. Their identification and accurate characterization is critical to probing the physical processes responsible. We present Frankenstein (frank), an open source code that recovers axisymmetric disc structures at sub-beam resolution. By fitting the visibilities directly, the model reconstructs a disc's 1D radial brightness profile nonparametrically using a fast (<~1 min) Gaussian process. The code avoids limitations of current methods that obtain the ra"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2005.07709","kind":"arxiv","version":2},"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/2005.07709/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":"2026-07-05T01:12:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tFfdOzM7ae2pRz8Iev/d/fAbF4liF7YOWoxvfNsmLLcD7zGzaXg4JEYjPIstrKeYUDOHvBRYPpAyefV8AyvCCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T19:35:46.015614Z"},"content_sha256":"11fb682b800c67af3540447b85761c4b4f2f15c0ad966ce98116ac149d480fdf","schema_version":"1.0","event_id":"sha256:11fb682b800c67af3540447b85761c4b4f2f15c0ad966ce98116ac149d480fdf"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CMN55NO2FWVOXDFNZYNZZ37OK7/bundle.json","state_url":"https://pith.science/pith/CMN55NO2FWVOXDFNZYNZZ37OK7/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CMN55NO2FWVOXDFNZYNZZ37OK7/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":"2026-07-06T19:35:46Z","links":{"resolver":"https://pith.science/pith/CMN55NO2FWVOXDFNZYNZZ37OK7","bundle":"https://pith.science/pith/CMN55NO2FWVOXDFNZYNZZ37OK7/bundle.json","state":"https://pith.science/pith/CMN55NO2FWVOXDFNZYNZZ37OK7/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CMN55NO2FWVOXDFNZYNZZ37OK7/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:CMN55NO2FWVOXDFNZYNZZ37OK7","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":"96c347c2be59eb2a1ecf08559307816c14614807e4d2f257f24e6901dde026b3","cross_cats_sorted":["astro-ph.IM"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2020-05-15T18:00:01Z","title_canon_sha256":"43764be7dd592a069626aae19f9d3c7f9c8d1a66c6191544208fa7d22a86357b"},"schema_version":"1.0","source":{"id":"2005.07709","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2005.07709","created_at":"2026-07-05T01:12:46Z"},{"alias_kind":"arxiv_version","alias_value":"2005.07709v2","created_at":"2026-07-05T01:12:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2005.07709","created_at":"2026-07-05T01:12:46Z"},{"alias_kind":"pith_short_12","alias_value":"CMN55NO2FWVO","created_at":"2026-07-05T01:12:46Z"},{"alias_kind":"pith_short_16","alias_value":"CMN55NO2FWVOXDFN","created_at":"2026-07-05T01:12:46Z"},{"alias_kind":"pith_short_8","alias_value":"CMN55NO2","created_at":"2026-07-05T01:12:46Z"}],"graph_snapshots":[{"event_id":"sha256:11fb682b800c67af3540447b85761c4b4f2f15c0ad966ce98116ac149d480fdf","target":"graph","created_at":"2026-07-05T01:12:46Z","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/2005.07709/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Interferometric observations of the mm dust distribution in protoplanetary discs are now showing a ubiquity of annular gap and ring substructures. Their identification and accurate characterization is critical to probing the physical processes responsible. We present Frankenstein (frank), an open source code that recovers axisymmetric disc structures at sub-beam resolution. By fitting the visibilities directly, the model reconstructs a disc's 1D radial brightness profile nonparametrically using a fast (<~1 min) Gaussian process. The code avoids limitations of current methods that obtain the ra","authors_text":"Cathie J. Clarke, Giovanni P. Rosotti, Jeff Jennings, Marco Tazzari, Richard A. Booth","cross_cats":["astro-ph.IM"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2020-05-15T18:00:01Z","title":"Frankenstein: Protoplanetary disc brightness profile reconstruction at sub-beam resolution with a rapid Gaussian process"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2005.07709","kind":"arxiv","version":2},"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:c2aa742095d821b16b937142afe0203f821010f3f246e95c54b849f1f0f70de1","target":"record","created_at":"2026-07-05T01:12:46Z","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":"96c347c2be59eb2a1ecf08559307816c14614807e4d2f257f24e6901dde026b3","cross_cats_sorted":["astro-ph.IM"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2020-05-15T18:00:01Z","title_canon_sha256":"43764be7dd592a069626aae19f9d3c7f9c8d1a66c6191544208fa7d22a86357b"},"schema_version":"1.0","source":{"id":"2005.07709","kind":"arxiv","version":2}},"canonical_sha256":"131bdeb5da2daaeb8cadce1b9cefee57d21b50e9a43b260d62fa719a9c4e9cec","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"131bdeb5da2daaeb8cadce1b9cefee57d21b50e9a43b260d62fa719a9c4e9cec","first_computed_at":"2026-07-05T01:12:46.650462Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:12:46.650462Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"QdXcZa1kU9wf96qDQavj65W58kbokgUsWMCqDXs5SwRypVu9EqRM6Xl8xowS1pp/x2RTpkhP+JRAYJ6xPpudAw==","signature_status":"signed_v1","signed_at":"2026-07-05T01:12:46.650959Z","signed_message":"canonical_sha256_bytes"},"source_id":"2005.07709","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c2aa742095d821b16b937142afe0203f821010f3f246e95c54b849f1f0f70de1","sha256:11fb682b800c67af3540447b85761c4b4f2f15c0ad966ce98116ac149d480fdf"],"state_sha256":"8d53f904d20d070556a1f0f9ac548efeed1c686013e52abfd30f9c39a36d9d6b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5LUbQo/gp7PxV80lkORukNUAap/UvAH4Hfi+L5hohgu4OgPjL4rOFYc2OGN+gLXuyyriURX9Ly4bVKuinft6CA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-06T19:35:46.017654Z","bundle_sha256":"03a85c42ebc4a9b7a902b4348ce1041ce381a80f9771bdaf547a38e28cacab23"}}