{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:EEE7I3JPPBCYNA5CRQXR4WOXP2","short_pith_number":"pith:EEE7I3JP","canonical_record":{"source":{"id":"2307.11122","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2023-07-20T15:29:01Z","cross_cats_sorted":["cs.LG","stat.AP"],"title_canon_sha256":"fa19b5e117709c8c654c740a519467f1e910599e37bdc95903750fafaf4d433c","abstract_canon_sha256":"6b44285acb2d013595b36051a4f89c45a10848ec3e0b08085c4a651e6a39415c"},"schema_version":"1.0"},"canonical_sha256":"2109f46d2f78458683a28c2f1e59d77ead953a946d570184a05a19ded4a1f717","source":{"kind":"arxiv","id":"2307.11122","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2307.11122","created_at":"2026-07-05T06:33:23Z"},{"alias_kind":"arxiv_version","alias_value":"2307.11122v1","created_at":"2026-07-05T06:33:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2307.11122","created_at":"2026-07-05T06:33:23Z"},{"alias_kind":"pith_short_12","alias_value":"EEE7I3JPPBCY","created_at":"2026-07-05T06:33:23Z"},{"alias_kind":"pith_short_16","alias_value":"EEE7I3JPPBCYNA5C","created_at":"2026-07-05T06:33:23Z"},{"alias_kind":"pith_short_8","alias_value":"EEE7I3JP","created_at":"2026-07-05T06:33:23Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:EEE7I3JPPBCYNA5CRQXR4WOXP2","target":"record","payload":{"canonical_record":{"source":{"id":"2307.11122","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2023-07-20T15:29:01Z","cross_cats_sorted":["cs.LG","stat.AP"],"title_canon_sha256":"fa19b5e117709c8c654c740a519467f1e910599e37bdc95903750fafaf4d433c","abstract_canon_sha256":"6b44285acb2d013595b36051a4f89c45a10848ec3e0b08085c4a651e6a39415c"},"schema_version":"1.0"},"canonical_sha256":"2109f46d2f78458683a28c2f1e59d77ead953a946d570184a05a19ded4a1f717","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:33:23.883339Z","signature_b64":"GlWe4Tehb8t4aEi8rtVbJJShDDd8WwRAl1AyNMRFOBEjFzz88uCi6htCKsL9QmL1/yrHa6HS+Go8EL/jA6blBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2109f46d2f78458683a28c2f1e59d77ead953a946d570184a05a19ded4a1f717","last_reissued_at":"2026-07-05T06:33:23.882931Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:33:23.882931Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2307.11122","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":"2026-07-05T06:33:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OUaS+klksqTQtxp7VCD5fG0Y6pqQEGdniQKTcqDaTwMIkM1xcfU//sTkY99cNIgReLW9F22xeSg38VOwwoc0DQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T18:10:23.325807Z"},"content_sha256":"496f53acf75ff91f97821361afd699b480fcf253071a972d765744c5bb6643af","schema_version":"1.0","event_id":"sha256:496f53acf75ff91f97821361afd699b480fcf253071a972d765744c5bb6643af"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:EEE7I3JPPBCYNA5CRQXR4WOXP2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Diffusion Models for Probabilistic Deconvolution of Galaxy Images","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.LG","stat.AP"],"primary_cat":"astro-ph.IM","authors_text":"Jeffrey Regier, Yash Patel, Yuhang Li, Zhiwei Xue","submitted_at":"2023-07-20T15:29:01Z","abstract_excerpt":"Telescopes capture images with a particular point spread function (PSF). Inferring what an image would have looked like with a much sharper PSF, a problem known as PSF deconvolution, is ill-posed because PSF convolution is not an invertible transformation. Deep generative models are appealing for PSF deconvolution because they can infer a posterior distribution over candidate images that, if convolved with the PSF, could have generated the observation. However, classical deep generative models such as VAEs and GANs often provide inadequate sample diversity. As an alternative, we propose a clas"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2307.11122","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/2307.11122/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":"2026-07-05T06:33:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gjnTfOk3GFRRspD15thyAUeW7fgnTwpTK+HzDtT8u1oydoqgnPVV9pdWSiLMx4zLIL84miq+5LmwABjrb7oMAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T18:10:23.326341Z"},"content_sha256":"a0e64eb49487013a964bacdab9a0481d02818194f17ad9af84548e009e7b3eef","schema_version":"1.0","event_id":"sha256:a0e64eb49487013a964bacdab9a0481d02818194f17ad9af84548e009e7b3eef"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/EEE7I3JPPBCYNA5CRQXR4WOXP2/bundle.json","state_url":"https://pith.science/pith/EEE7I3JPPBCYNA5CRQXR4WOXP2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/EEE7I3JPPBCYNA5CRQXR4WOXP2/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":"2026-08-03T18:10:23Z","links":{"resolver":"https://pith.science/pith/EEE7I3JPPBCYNA5CRQXR4WOXP2","bundle":"https://pith.science/pith/EEE7I3JPPBCYNA5CRQXR4WOXP2/bundle.json","state":"https://pith.science/pith/EEE7I3JPPBCYNA5CRQXR4WOXP2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/EEE7I3JPPBCYNA5CRQXR4WOXP2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:EEE7I3JPPBCYNA5CRQXR4WOXP2","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":"6b44285acb2d013595b36051a4f89c45a10848ec3e0b08085c4a651e6a39415c","cross_cats_sorted":["cs.LG","stat.AP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2023-07-20T15:29:01Z","title_canon_sha256":"fa19b5e117709c8c654c740a519467f1e910599e37bdc95903750fafaf4d433c"},"schema_version":"1.0","source":{"id":"2307.11122","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2307.11122","created_at":"2026-07-05T06:33:23Z"},{"alias_kind":"arxiv_version","alias_value":"2307.11122v1","created_at":"2026-07-05T06:33:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2307.11122","created_at":"2026-07-05T06:33:23Z"},{"alias_kind":"pith_short_12","alias_value":"EEE7I3JPPBCY","created_at":"2026-07-05T06:33:23Z"},{"alias_kind":"pith_short_16","alias_value":"EEE7I3JPPBCYNA5C","created_at":"2026-07-05T06:33:23Z"},{"alias_kind":"pith_short_8","alias_value":"EEE7I3JP","created_at":"2026-07-05T06:33:23Z"}],"graph_snapshots":[{"event_id":"sha256:a0e64eb49487013a964bacdab9a0481d02818194f17ad9af84548e009e7b3eef","target":"graph","created_at":"2026-07-05T06:33:23Z","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/2307.11122/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Telescopes capture images with a particular point spread function (PSF). Inferring what an image would have looked like with a much sharper PSF, a problem known as PSF deconvolution, is ill-posed because PSF convolution is not an invertible transformation. Deep generative models are appealing for PSF deconvolution because they can infer a posterior distribution over candidate images that, if convolved with the PSF, could have generated the observation. However, classical deep generative models such as VAEs and GANs often provide inadequate sample diversity. As an alternative, we propose a clas","authors_text":"Jeffrey Regier, Yash Patel, Yuhang Li, Zhiwei Xue","cross_cats":["cs.LG","stat.AP"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2023-07-20T15:29:01Z","title":"Diffusion Models for Probabilistic Deconvolution of Galaxy Images"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2307.11122","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":"sha256:496f53acf75ff91f97821361afd699b480fcf253071a972d765744c5bb6643af","target":"record","created_at":"2026-07-05T06:33:23Z","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":"6b44285acb2d013595b36051a4f89c45a10848ec3e0b08085c4a651e6a39415c","cross_cats_sorted":["cs.LG","stat.AP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2023-07-20T15:29:01Z","title_canon_sha256":"fa19b5e117709c8c654c740a519467f1e910599e37bdc95903750fafaf4d433c"},"schema_version":"1.0","source":{"id":"2307.11122","kind":"arxiv","version":1}},"canonical_sha256":"2109f46d2f78458683a28c2f1e59d77ead953a946d570184a05a19ded4a1f717","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2109f46d2f78458683a28c2f1e59d77ead953a946d570184a05a19ded4a1f717","first_computed_at":"2026-07-05T06:33:23.882931Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:33:23.882931Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"GlWe4Tehb8t4aEi8rtVbJJShDDd8WwRAl1AyNMRFOBEjFzz88uCi6htCKsL9QmL1/yrHa6HS+Go8EL/jA6blBA==","signature_status":"signed_v1","signed_at":"2026-07-05T06:33:23.883339Z","signed_message":"canonical_sha256_bytes"},"source_id":"2307.11122","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:496f53acf75ff91f97821361afd699b480fcf253071a972d765744c5bb6643af","sha256:a0e64eb49487013a964bacdab9a0481d02818194f17ad9af84548e009e7b3eef"],"state_sha256":"8e46443f97dafad01f3da30aad3053cabd8c20cfdc87952658c9a44f20a77044"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DT2Nz8+MdLqRI8czN6MRHpOx70+Q+DQaerZ3xb5SAfR2G3caltQOwPTUCo8+v9J207kAxLNj6zRJ603qbrgXBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-03T18:10:23.331816Z","bundle_sha256":"d83166ace8092ee308798b07ad979cf7395950d20fba51b683e5bbf5f36194ef"}}