{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:SUC3H2ECWPFVJHWNIGQGI4RYLY","short_pith_number":"pith:SUC3H2EC","canonical_record":{"source":{"id":"2605.29472","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2026-05-28T07:04:45Z","cross_cats_sorted":[],"title_canon_sha256":"92b7efb603eb649be8e1f09305a4c32674a053053b8e217b3a8056e7f9a5bea2","abstract_canon_sha256":"a42cfca413c742794226acd49bf0dd58c84a2f80e064325ae5a6516fd8e25cd0"},"schema_version":"1.0"},"canonical_sha256":"9505b3e882b3cb549ecd41a06472385e0c6be27587fd9ac6ffad47a6ebbdc647","source":{"kind":"arxiv","id":"2605.29472","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2605.29472","created_at":"2026-05-29T01:05:41Z"},{"alias_kind":"arxiv_version","alias_value":"2605.29472v1","created_at":"2026-05-29T01:05:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.29472","created_at":"2026-05-29T01:05:41Z"},{"alias_kind":"pith_short_12","alias_value":"SUC3H2ECWPFV","created_at":"2026-05-29T01:05:41Z"},{"alias_kind":"pith_short_16","alias_value":"SUC3H2ECWPFVJHWN","created_at":"2026-05-29T01:05:41Z"},{"alias_kind":"pith_short_8","alias_value":"SUC3H2EC","created_at":"2026-05-29T01:05:41Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:SUC3H2ECWPFVJHWNIGQGI4RYLY","target":"record","payload":{"canonical_record":{"source":{"id":"2605.29472","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2026-05-28T07:04:45Z","cross_cats_sorted":[],"title_canon_sha256":"92b7efb603eb649be8e1f09305a4c32674a053053b8e217b3a8056e7f9a5bea2","abstract_canon_sha256":"a42cfca413c742794226acd49bf0dd58c84a2f80e064325ae5a6516fd8e25cd0"},"schema_version":"1.0"},"canonical_sha256":"9505b3e882b3cb549ecd41a06472385e0c6be27587fd9ac6ffad47a6ebbdc647","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-29T01:05:41.347631Z","signature_b64":"IIZykyxvWNSTm6utCC04DN59FnZem5WYM48Ec6wdLVuIdyd9mHBP4VSCTFp2BokxqLWYb4GO3MOEyLySqr7BCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9505b3e882b3cb549ecd41a06472385e0c6be27587fd9ac6ffad47a6ebbdc647","last_reissued_at":"2026-05-29T01:05:41.346949Z","signature_status":"signed_v1","first_computed_at":"2026-05-29T01:05:41.346949Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2605.29472","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":"2026-05-29T01:05:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FzrQIyPgVZHKQXpYRdURGU93uOak5YIiDP+YCOyC5ryWOIo88sGUEwE5Fjz6FbRSC+y6DlWMANu9NT+GjWuwBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-04T11:58:41.581829Z"},"content_sha256":"01f3b3e51fcf962384d718c069d414f2eca812046c34453dbed27fc936e547e1","schema_version":"1.0","event_id":"sha256:01f3b3e51fcf962384d718c069d414f2eca812046c34453dbed27fc936e547e1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:SUC3H2ECWPFVJHWNIGQGI4RYLY","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"High-Fidelity ROI CT Reconstruction with Limited Quantum Resources via Hybrid Classical-Quantum Refinement","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Hyunju Lee, Jeonghwa Lee, Kyungtaek Jun","submitted_at":"2026-05-28T07:04:45Z","abstract_excerpt":"Quantum optimization for computed tomography (CT) reconstruction is constrained by the number of binary variables required for image representation, making direct whole-image quantum reconstruction difficult for large or structurally complex objects. We propose a hybrid region-of-interest (ROI) refinement framework in which a coarse global image is first reconstructed by quantum tomographic reconstruction (QTR) and quantum compressed sensing tomographic reconstruction (QCSTR), filtered backprojection (FBP), or simultaneous algebraic reconstruction technique (SART), and quantum optimization is "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.29472","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/2605.29472/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":"2026-05-29T01:05:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IJhCTA1++IVGymDFLazSup5Pgwc7wePrZDL3UAGFuG3w7a5KTp+DAamDSl7S/SAwDEFIOqoHJ8yO37urq5/rCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-04T11:58:41.582200Z"},"content_sha256":"d9aab7d77fdd476e8970d1a4b8f9a760ec36e58c1d22e7f6bb6ac8310134afa4","schema_version":"1.0","event_id":"sha256:d9aab7d77fdd476e8970d1a4b8f9a760ec36e58c1d22e7f6bb6ac8310134afa4"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/SUC3H2ECWPFVJHWNIGQGI4RYLY/bundle.json","state_url":"https://pith.science/pith/SUC3H2ECWPFVJHWNIGQGI4RYLY/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/SUC3H2ECWPFVJHWNIGQGI4RYLY/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":"2026-07-04T11:58:41Z","links":{"resolver":"https://pith.science/pith/SUC3H2ECWPFVJHWNIGQGI4RYLY","bundle":"https://pith.science/pith/SUC3H2ECWPFVJHWNIGQGI4RYLY/bundle.json","state":"https://pith.science/pith/SUC3H2ECWPFVJHWNIGQGI4RYLY/state.json","well_known_bundle":"https://pith.science/.well-known/pith/SUC3H2ECWPFVJHWNIGQGI4RYLY/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:SUC3H2ECWPFVJHWNIGQGI4RYLY","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":"a42cfca413c742794226acd49bf0dd58c84a2f80e064325ae5a6516fd8e25cd0","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2026-05-28T07:04:45Z","title_canon_sha256":"92b7efb603eb649be8e1f09305a4c32674a053053b8e217b3a8056e7f9a5bea2"},"schema_version":"1.0","source":{"id":"2605.29472","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2605.29472","created_at":"2026-05-29T01:05:41Z"},{"alias_kind":"arxiv_version","alias_value":"2605.29472v1","created_at":"2026-05-29T01:05:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.29472","created_at":"2026-05-29T01:05:41Z"},{"alias_kind":"pith_short_12","alias_value":"SUC3H2ECWPFV","created_at":"2026-05-29T01:05:41Z"},{"alias_kind":"pith_short_16","alias_value":"SUC3H2ECWPFVJHWN","created_at":"2026-05-29T01:05:41Z"},{"alias_kind":"pith_short_8","alias_value":"SUC3H2EC","created_at":"2026-05-29T01:05:41Z"}],"graph_snapshots":[{"event_id":"sha256:d9aab7d77fdd476e8970d1a4b8f9a760ec36e58c1d22e7f6bb6ac8310134afa4","target":"graph","created_at":"2026-05-29T01:05:41Z","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/2605.29472/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Quantum optimization for computed tomography (CT) reconstruction is constrained by the number of binary variables required for image representation, making direct whole-image quantum reconstruction difficult for large or structurally complex objects. We propose a hybrid region-of-interest (ROI) refinement framework in which a coarse global image is first reconstructed by quantum tomographic reconstruction (QTR) and quantum compressed sensing tomographic reconstruction (QCSTR), filtered backprojection (FBP), or simultaneous algebraic reconstruction technique (SART), and quantum optimization is ","authors_text":"Hyunju Lee, Jeonghwa Lee, Kyungtaek Jun","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2026-05-28T07:04:45Z","title":"High-Fidelity ROI CT Reconstruction with Limited Quantum Resources via Hybrid Classical-Quantum Refinement"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.29472","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":"sha256:01f3b3e51fcf962384d718c069d414f2eca812046c34453dbed27fc936e547e1","target":"record","created_at":"2026-05-29T01:05:41Z","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":"a42cfca413c742794226acd49bf0dd58c84a2f80e064325ae5a6516fd8e25cd0","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2026-05-28T07:04:45Z","title_canon_sha256":"92b7efb603eb649be8e1f09305a4c32674a053053b8e217b3a8056e7f9a5bea2"},"schema_version":"1.0","source":{"id":"2605.29472","kind":"arxiv","version":1}},"canonical_sha256":"9505b3e882b3cb549ecd41a06472385e0c6be27587fd9ac6ffad47a6ebbdc647","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9505b3e882b3cb549ecd41a06472385e0c6be27587fd9ac6ffad47a6ebbdc647","first_computed_at":"2026-05-29T01:05:41.346949Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-29T01:05:41.346949Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"IIZykyxvWNSTm6utCC04DN59FnZem5WYM48Ec6wdLVuIdyd9mHBP4VSCTFp2BokxqLWYb4GO3MOEyLySqr7BCg==","signature_status":"signed_v1","signed_at":"2026-05-29T01:05:41.347631Z","signed_message":"canonical_sha256_bytes"},"source_id":"2605.29472","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:01f3b3e51fcf962384d718c069d414f2eca812046c34453dbed27fc936e547e1","sha256:d9aab7d77fdd476e8970d1a4b8f9a760ec36e58c1d22e7f6bb6ac8310134afa4"],"state_sha256":"eebd581f7a2e62d8aa57b86a878de11ef335c1a2666a3ae6bab13f846d39519d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6n8swHonbQOwOflVSqOSoQcfl6kB7N03ARGBHdF66YvKyM/MFgOkn4S0EPVBh20PQXmXemvDAoFmCl6vNozFCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-04T11:58:41.584115Z","bundle_sha256":"da387a866f627b9c0e53a6643910992427cda71b27a504141019da6267768ba1"}}