{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:K76UBMAHIIM74HCJHJNCPHSDBQ","short_pith_number":"pith:K76UBMAH","canonical_record":{"source":{"id":"2607.16866","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2026-07-18T16:06:52Z","cross_cats_sorted":["physics.chem-ph"],"title_canon_sha256":"14b807b6a1738fc33221cd12cc0c98e15147278029c5cd8935611fb457542f36","abstract_canon_sha256":"2f7c7ddf7906b2f55115c758f47848069aa02a5964e2edc25f8ff22f5924c784"},"schema_version":"1.0"},"canonical_sha256":"57fd40b0074219fe1c493a5a279e430c0fc502152b97b094e04f5729cabaabdc","source":{"kind":"arxiv","id":"2607.16866","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.16866","created_at":"2026-07-21T01:21:02Z"},{"alias_kind":"arxiv_version","alias_value":"2607.16866v1","created_at":"2026-07-21T01:21:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.16866","created_at":"2026-07-21T01:21:02Z"},{"alias_kind":"pith_short_12","alias_value":"K76UBMAHIIM7","created_at":"2026-07-21T01:21:02Z"},{"alias_kind":"pith_short_16","alias_value":"K76UBMAHIIM74HCJ","created_at":"2026-07-21T01:21:02Z"},{"alias_kind":"pith_short_8","alias_value":"K76UBMAH","created_at":"2026-07-21T01:21:02Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:K76UBMAHIIM74HCJHJNCPHSDBQ","target":"record","payload":{"canonical_record":{"source":{"id":"2607.16866","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2026-07-18T16:06:52Z","cross_cats_sorted":["physics.chem-ph"],"title_canon_sha256":"14b807b6a1738fc33221cd12cc0c98e15147278029c5cd8935611fb457542f36","abstract_canon_sha256":"2f7c7ddf7906b2f55115c758f47848069aa02a5964e2edc25f8ff22f5924c784"},"schema_version":"1.0"},"canonical_sha256":"57fd40b0074219fe1c493a5a279e430c0fc502152b97b094e04f5729cabaabdc","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-21T01:21:02.948153Z","signature_b64":"cjkd1i6dweEJ8AWtrT+BSmzt0IyuPgDcX2ZMw+6r9xu5dVHxK33mgwsqhsqzr9Z3EpyN8xFKnmTimKILuAl+Ag==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"57fd40b0074219fe1c493a5a279e430c0fc502152b97b094e04f5729cabaabdc","last_reissued_at":"2026-07-21T01:21:02.947342Z","signature_status":"signed_v1","first_computed_at":"2026-07-21T01:21:02.947342Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2607.16866","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":"2026-07-21T01:21:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Wi2kIJhoKjg13zGHrfISJBJn7VzqTVZS8BhKqgZAUq+5TrnrqgnPmrUKsDQIwAPsfcenqBDkKajFUdKh36mDAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T17:12:09.280761Z"},"content_sha256":"ed2d665bd1bafda14163a5ade3405d6576a22c3c79670a5d3952931afb6b93a4","schema_version":"1.0","event_id":"sha256:ed2d665bd1bafda14163a5ade3405d6576a22c3c79670a5d3952931afb6b93a4"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:K76UBMAHIIM74HCJHJNCPHSDBQ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Certified Optimal Measurement Reduction over Quantum Context Landscapes","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["physics.chem-ph"],"primary_cat":"quant-ph","authors_text":"Federico Zahariev, Vanda Glezakou","submitted_at":"2026-07-18T16:06:52Z","abstract_excerpt":"Quantum-measurement reduction contains two distinct global-optimization layers: a continuous problem of splitting an observable and allocating shots within a fixed measurement dictionary, and a nonconvex outer problem of designing the dictionary and calibrating its data-driven uncertainty model. We solve the inner layer globally and certifiably as a second-order cone program (SOCP), and use RANGE, a robust adaptive nature-inspired global optimizer, for the combinatorial and statistical outer layer. For any declared set of contexts, per-shot costs, score functions, and covariance model, the SOC"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.16866","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/2607.16866/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":"2026-07-21T01:21:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"iNdXZ0mbFD+nHOZBQtJzsrNRYjINpPRI+AwvWABNu20dCTusl3wErjKNlNVtH6vokMQnINoJJhAvy7PbPypOCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T17:12:09.281071Z"},"content_sha256":"5e82edbdab063c5281c291a95dd9f0db9996e7a7a57261bb60bd89c843ab9438","schema_version":"1.0","event_id":"sha256:5e82edbdab063c5281c291a95dd9f0db9996e7a7a57261bb60bd89c843ab9438"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/K76UBMAHIIM74HCJHJNCPHSDBQ/bundle.json","state_url":"https://pith.science/pith/K76UBMAHIIM74HCJHJNCPHSDBQ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/K76UBMAHIIM74HCJHJNCPHSDBQ/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":"2026-08-05T17:12:09Z","links":{"resolver":"https://pith.science/pith/K76UBMAHIIM74HCJHJNCPHSDBQ","bundle":"https://pith.science/pith/K76UBMAHIIM74HCJHJNCPHSDBQ/bundle.json","state":"https://pith.science/pith/K76UBMAHIIM74HCJHJNCPHSDBQ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/K76UBMAHIIM74HCJHJNCPHSDBQ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:K76UBMAHIIM74HCJHJNCPHSDBQ","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":"2f7c7ddf7906b2f55115c758f47848069aa02a5964e2edc25f8ff22f5924c784","cross_cats_sorted":["physics.chem-ph"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2026-07-18T16:06:52Z","title_canon_sha256":"14b807b6a1738fc33221cd12cc0c98e15147278029c5cd8935611fb457542f36"},"schema_version":"1.0","source":{"id":"2607.16866","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.16866","created_at":"2026-07-21T01:21:02Z"},{"alias_kind":"arxiv_version","alias_value":"2607.16866v1","created_at":"2026-07-21T01:21:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.16866","created_at":"2026-07-21T01:21:02Z"},{"alias_kind":"pith_short_12","alias_value":"K76UBMAHIIM7","created_at":"2026-07-21T01:21:02Z"},{"alias_kind":"pith_short_16","alias_value":"K76UBMAHIIM74HCJ","created_at":"2026-07-21T01:21:02Z"},{"alias_kind":"pith_short_8","alias_value":"K76UBMAH","created_at":"2026-07-21T01:21:02Z"}],"graph_snapshots":[{"event_id":"sha256:5e82edbdab063c5281c291a95dd9f0db9996e7a7a57261bb60bd89c843ab9438","target":"graph","created_at":"2026-07-21T01:21:02Z","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/2607.16866/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Quantum-measurement reduction contains two distinct global-optimization layers: a continuous problem of splitting an observable and allocating shots within a fixed measurement dictionary, and a nonconvex outer problem of designing the dictionary and calibrating its data-driven uncertainty model. We solve the inner layer globally and certifiably as a second-order cone program (SOCP), and use RANGE, a robust adaptive nature-inspired global optimizer, for the combinatorial and statistical outer layer. For any declared set of contexts, per-shot costs, score functions, and covariance model, the SOC","authors_text":"Federico Zahariev, Vanda Glezakou","cross_cats":["physics.chem-ph"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2026-07-18T16:06:52Z","title":"Certified Optimal Measurement Reduction over Quantum Context Landscapes"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.16866","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:ed2d665bd1bafda14163a5ade3405d6576a22c3c79670a5d3952931afb6b93a4","target":"record","created_at":"2026-07-21T01:21:02Z","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":"2f7c7ddf7906b2f55115c758f47848069aa02a5964e2edc25f8ff22f5924c784","cross_cats_sorted":["physics.chem-ph"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2026-07-18T16:06:52Z","title_canon_sha256":"14b807b6a1738fc33221cd12cc0c98e15147278029c5cd8935611fb457542f36"},"schema_version":"1.0","source":{"id":"2607.16866","kind":"arxiv","version":1}},"canonical_sha256":"57fd40b0074219fe1c493a5a279e430c0fc502152b97b094e04f5729cabaabdc","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"57fd40b0074219fe1c493a5a279e430c0fc502152b97b094e04f5729cabaabdc","first_computed_at":"2026-07-21T01:21:02.947342Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-21T01:21:02.947342Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"cjkd1i6dweEJ8AWtrT+BSmzt0IyuPgDcX2ZMw+6r9xu5dVHxK33mgwsqhsqzr9Z3EpyN8xFKnmTimKILuAl+Ag==","signature_status":"signed_v1","signed_at":"2026-07-21T01:21:02.948153Z","signed_message":"canonical_sha256_bytes"},"source_id":"2607.16866","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ed2d665bd1bafda14163a5ade3405d6576a22c3c79670a5d3952931afb6b93a4","sha256:5e82edbdab063c5281c291a95dd9f0db9996e7a7a57261bb60bd89c843ab9438"],"state_sha256":"a43e1b310cd73c82d1de8b3a5d67de42a138b790603b49134df6661e64537156"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"eTrJWJdSzWhnysPExFKqD5SPWWyxcM9dxVdiBcmIXxpJtpfccN7I0Kcj9ElJclhnbi6dRy2SYzsI4IRXmnklDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-05T17:12:09.285674Z","bundle_sha256":"8d08069e1f5330ff59b9b1258c280d302f1eba64b8383882b4c84c94f30bce25"}}