{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:W24R4D7KYSA5OMA5XWJRWA4XWS","short_pith_number":"pith:W24R4D7K","canonical_record":{"source":{"id":"2607.06674","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2026-07-07T18:00:16Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"7ee88790d86f45708812aa4ea1218a3d2ea781bf2bf8bc46eaa6922f1abffdeb","abstract_canon_sha256":"d5d7569013b553f5be3e02f079b9501ebbcca7f3c4bdf753da2036e569c34cf3"},"schema_version":"1.0"},"canonical_sha256":"b6b91e0feac481d7301dbd931b0397b481693eb6fcf7e5481b53fdc25fce0130","source":{"kind":"arxiv","id":"2607.06674","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.06674","created_at":"2026-07-09T00:19:22Z"},{"alias_kind":"arxiv_version","alias_value":"2607.06674v1","created_at":"2026-07-09T00:19:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.06674","created_at":"2026-07-09T00:19:22Z"},{"alias_kind":"pith_short_12","alias_value":"W24R4D7KYSA5","created_at":"2026-07-09T00:19:22Z"},{"alias_kind":"pith_short_16","alias_value":"W24R4D7KYSA5OMA5","created_at":"2026-07-09T00:19:22Z"},{"alias_kind":"pith_short_8","alias_value":"W24R4D7K","created_at":"2026-07-09T00:19:22Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:W24R4D7KYSA5OMA5XWJRWA4XWS","target":"record","payload":{"canonical_record":{"source":{"id":"2607.06674","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2026-07-07T18:00:16Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"7ee88790d86f45708812aa4ea1218a3d2ea781bf2bf8bc46eaa6922f1abffdeb","abstract_canon_sha256":"d5d7569013b553f5be3e02f079b9501ebbcca7f3c4bdf753da2036e569c34cf3"},"schema_version":"1.0"},"canonical_sha256":"b6b91e0feac481d7301dbd931b0397b481693eb6fcf7e5481b53fdc25fce0130","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-09T00:19:22.801022Z","signature_b64":"Sbcs7LVvMLqG7Pjid8I67J/NQ0eV2pedTlitu6Zhv1BXZFdp4UBJB3ywK90XncYxGsIv3J+tOakOKhkjsZywDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b6b91e0feac481d7301dbd931b0397b481693eb6fcf7e5481b53fdc25fce0130","last_reissued_at":"2026-07-09T00:19:22.800487Z","signature_status":"signed_v1","first_computed_at":"2026-07-09T00:19:22.800487Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2607.06674","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":"2026-07-09T00:19:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5FeMnz31+KDUxHzbJmwzX9de8SeJGgCWrLIqO2YU/8iWxSlBtTE4QPyZMmZ20+Si0ziwEbQ/QzJwtEBHVEWhAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-21T14:46:09.643775Z"},"content_sha256":"960782f799f110597924e899149a18dfc987cfd68978297892da117fa2d0cb8e","schema_version":"1.0","event_id":"sha256:960782f799f110597924e899149a18dfc987cfd68978297892da117fa2d0cb8e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:W24R4D7KYSA5OMA5XWJRWA4XWS","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Efficient Optimal Image Reconstruction for the Nancy Grace Roman Space Telescope and Beyond: I. First Results with {\\sc Effortless}","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"astro-ph.IM","authors_text":"Kaili Cao","submitted_at":"2026-07-07T18:00:16Z","abstract_excerpt":"The forthcoming Nancy Grace Roman Space Telescope will revolutionize astrophysics by generating huge amounts of data of unprecedented quality. To properly address the data deluge and fully realize its potential, analysis tools that are both efficient and optimal are needed. {\\sc Effortless} (previously known as Fast {\\sc Imcom}) is a new algorithm for linear image reconstruction. Like its predecessor {\\sc Imcom}, it offers control over point spread functions in output images; by avoiding laborious calculations, it is tens of times faster and has a smaller memory footprint. In this paper, I app"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.06674","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/2607.06674/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":"2026-07-09T00:19:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DLsCwpcSaJm0fijTEm87t7du2emDrJntWoK0jD0LZUX0oZKHo5lwz5KuukHPxH/UggUoAGpUknXvZbW63LKJCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-21T14:46:09.644154Z"},"content_sha256":"dcc2274eca21dd51d32dd67aafc356c9919bf69ffb7f28b225c4df97da69481d","schema_version":"1.0","event_id":"sha256:dcc2274eca21dd51d32dd67aafc356c9919bf69ffb7f28b225c4df97da69481d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/W24R4D7KYSA5OMA5XWJRWA4XWS/bundle.json","state_url":"https://pith.science/pith/W24R4D7KYSA5OMA5XWJRWA4XWS/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/W24R4D7KYSA5OMA5XWJRWA4XWS/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":"2026-08-21T14:46:09Z","links":{"resolver":"https://pith.science/pith/W24R4D7KYSA5OMA5XWJRWA4XWS","bundle":"https://pith.science/pith/W24R4D7KYSA5OMA5XWJRWA4XWS/bundle.json","state":"https://pith.science/pith/W24R4D7KYSA5OMA5XWJRWA4XWS/state.json","well_known_bundle":"https://pith.science/.well-known/pith/W24R4D7KYSA5OMA5XWJRWA4XWS/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:W24R4D7KYSA5OMA5XWJRWA4XWS","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":"d5d7569013b553f5be3e02f079b9501ebbcca7f3c4bdf753da2036e569c34cf3","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2026-07-07T18:00:16Z","title_canon_sha256":"7ee88790d86f45708812aa4ea1218a3d2ea781bf2bf8bc46eaa6922f1abffdeb"},"schema_version":"1.0","source":{"id":"2607.06674","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.06674","created_at":"2026-07-09T00:19:22Z"},{"alias_kind":"arxiv_version","alias_value":"2607.06674v1","created_at":"2026-07-09T00:19:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.06674","created_at":"2026-07-09T00:19:22Z"},{"alias_kind":"pith_short_12","alias_value":"W24R4D7KYSA5","created_at":"2026-07-09T00:19:22Z"},{"alias_kind":"pith_short_16","alias_value":"W24R4D7KYSA5OMA5","created_at":"2026-07-09T00:19:22Z"},{"alias_kind":"pith_short_8","alias_value":"W24R4D7K","created_at":"2026-07-09T00:19:22Z"}],"graph_snapshots":[{"event_id":"sha256:dcc2274eca21dd51d32dd67aafc356c9919bf69ffb7f28b225c4df97da69481d","target":"graph","created_at":"2026-07-09T00:19:22Z","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/2607.06674/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The forthcoming Nancy Grace Roman Space Telescope will revolutionize astrophysics by generating huge amounts of data of unprecedented quality. To properly address the data deluge and fully realize its potential, analysis tools that are both efficient and optimal are needed. {\\sc Effortless} (previously known as Fast {\\sc Imcom}) is a new algorithm for linear image reconstruction. Like its predecessor {\\sc Imcom}, it offers control over point spread functions in output images; by avoiding laborious calculations, it is tens of times faster and has a smaller memory footprint. In this paper, I app","authors_text":"Kaili Cao","cross_cats":["astro-ph.CO"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2026-07-07T18:00:16Z","title":"Efficient Optimal Image Reconstruction for the Nancy Grace Roman Space Telescope and Beyond: I. First Results with {\\sc Effortless}"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.06674","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":"sha256:960782f799f110597924e899149a18dfc987cfd68978297892da117fa2d0cb8e","target":"record","created_at":"2026-07-09T00:19:22Z","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":"d5d7569013b553f5be3e02f079b9501ebbcca7f3c4bdf753da2036e569c34cf3","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2026-07-07T18:00:16Z","title_canon_sha256":"7ee88790d86f45708812aa4ea1218a3d2ea781bf2bf8bc46eaa6922f1abffdeb"},"schema_version":"1.0","source":{"id":"2607.06674","kind":"arxiv","version":1}},"canonical_sha256":"b6b91e0feac481d7301dbd931b0397b481693eb6fcf7e5481b53fdc25fce0130","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b6b91e0feac481d7301dbd931b0397b481693eb6fcf7e5481b53fdc25fce0130","first_computed_at":"2026-07-09T00:19:22.800487Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-09T00:19:22.800487Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Sbcs7LVvMLqG7Pjid8I67J/NQ0eV2pedTlitu6Zhv1BXZFdp4UBJB3ywK90XncYxGsIv3J+tOakOKhkjsZywDw==","signature_status":"signed_v1","signed_at":"2026-07-09T00:19:22.801022Z","signed_message":"canonical_sha256_bytes"},"source_id":"2607.06674","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:960782f799f110597924e899149a18dfc987cfd68978297892da117fa2d0cb8e","sha256:dcc2274eca21dd51d32dd67aafc356c9919bf69ffb7f28b225c4df97da69481d"],"state_sha256":"e6cf9d55f70fc5b38a068f481df0c8d3b42e37ac412cd5899ec66cbf923dc28b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"W02vxKxLddEVZ3tuS2TTVro3Bb1HJm+2ipc0lXZqgiIvhb9VZGfi0Qr49RrqARsQLKUN4jVBITZWRBE0SZ2CAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-21T14:46:09.646504Z","bundle_sha256":"098e231441564387d9ebb76b233263dafcd736f9e5588cba44e42397c8d517c8"}}