{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:GK56UZT7XKXI4UH5BUHNFO7MW2","short_pith_number":"pith:GK56UZT7","canonical_record":{"source":{"id":"1510.01023","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2015-10-05T04:05:37Z","cross_cats_sorted":[],"title_canon_sha256":"1d05cb2a1ee9bc870d38679f9d25f328bbb5f2f88201b6a1253a98a682a5d601","abstract_canon_sha256":"4330325110bfa6d395369ea2edba8f0c6013ced5bca47de27cc043072a3edd38"},"schema_version":"1.0"},"canonical_sha256":"32bbea667fbaae8e50fd0d0ed2bbecb6853ac7f44b6c9a6560f1ac50606582e9","source":{"kind":"arxiv","id":"1510.01023","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1510.01023","created_at":"2026-05-18T01:10:33Z"},{"alias_kind":"arxiv_version","alias_value":"1510.01023v1","created_at":"2026-05-18T01:10:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1510.01023","created_at":"2026-05-18T01:10:33Z"},{"alias_kind":"pith_short_12","alias_value":"GK56UZT7XKXI","created_at":"2026-05-18T12:29:22Z"},{"alias_kind":"pith_short_16","alias_value":"GK56UZT7XKXI4UH5","created_at":"2026-05-18T12:29:22Z"},{"alias_kind":"pith_short_8","alias_value":"GK56UZT7","created_at":"2026-05-18T12:29:22Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:GK56UZT7XKXI4UH5BUHNFO7MW2","target":"record","payload":{"canonical_record":{"source":{"id":"1510.01023","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2015-10-05T04:05:37Z","cross_cats_sorted":[],"title_canon_sha256":"1d05cb2a1ee9bc870d38679f9d25f328bbb5f2f88201b6a1253a98a682a5d601","abstract_canon_sha256":"4330325110bfa6d395369ea2edba8f0c6013ced5bca47de27cc043072a3edd38"},"schema_version":"1.0"},"canonical_sha256":"32bbea667fbaae8e50fd0d0ed2bbecb6853ac7f44b6c9a6560f1ac50606582e9","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:10:33.174610Z","signature_b64":"gCRkhADO/VjJ0fn/e8qb5wMM1UwNS8Q2AN5Az1HRUIPzfEx4akp6ytLbeJE2pViCbb+iPAjkCdv5SWorEcpdBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"32bbea667fbaae8e50fd0d0ed2bbecb6853ac7f44b6c9a6560f1ac50606582e9","last_reissued_at":"2026-05-18T01:10:33.173907Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:10:33.173907Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1510.01023","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":"2026-05-18T01:10:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8OKfe5/ozl8PtwGF7xS5IgV9GT+e7gMr/PlJrv2VRO8nZhQ/vnG/ZY7n/yFg+reCy71pnpsoVOVwQ6mT8ZHCDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T10:10:24.308618Z"},"content_sha256":"fe7ab0acae469c69317b097a20e1a68175a0b476cb67c88538069dfd08cc67bf","schema_version":"1.0","event_id":"sha256:fe7ab0acae469c69317b097a20e1a68175a0b476cb67c88538069dfd08cc67bf"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:GK56UZT7XKXI4UH5BUHNFO7MW2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Quantum Predictive Filtering","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Arne L. Grimsmo, Susanne Still","submitted_at":"2015-10-05T04:05:37Z","abstract_excerpt":"How can relevant information be extracted from a quantum process? In many situations, only some part of the total information content produced by an information source is useful. Can one then find an efficient encoding, in the sense of retaining the largest fraction of relevant information? This paper offers one possible solution by giving a generalization of a classical method designed to retain as much relevant information as possible in a lossy data compression. A key feature of the method is to introduce a second information source to define relevance. We quantify the advantage a quantum e"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1510.01023","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":""},"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":"2026-05-18T01:10:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lui35Jh+Qy6xr5/Uw/jv9fRpXybtLYf2dT+BhxLkgor0PiremO4UrVLsbD1gV0FAoc5ytr1RwSjw6XNIB8kyCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T10:10:24.308959Z"},"content_sha256":"b4395f21fffb31f712bb6477bec5a53681913bb9a205e28f902aebfd6a3bbbc1","schema_version":"1.0","event_id":"sha256:b4395f21fffb31f712bb6477bec5a53681913bb9a205e28f902aebfd6a3bbbc1"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/GK56UZT7XKXI4UH5BUHNFO7MW2/bundle.json","state_url":"https://pith.science/pith/GK56UZT7XKXI4UH5BUHNFO7MW2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/GK56UZT7XKXI4UH5BUHNFO7MW2/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":"2026-05-28T10:10:24Z","links":{"resolver":"https://pith.science/pith/GK56UZT7XKXI4UH5BUHNFO7MW2","bundle":"https://pith.science/pith/GK56UZT7XKXI4UH5BUHNFO7MW2/bundle.json","state":"https://pith.science/pith/GK56UZT7XKXI4UH5BUHNFO7MW2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/GK56UZT7XKXI4UH5BUHNFO7MW2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:GK56UZT7XKXI4UH5BUHNFO7MW2","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":"4330325110bfa6d395369ea2edba8f0c6013ced5bca47de27cc043072a3edd38","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2015-10-05T04:05:37Z","title_canon_sha256":"1d05cb2a1ee9bc870d38679f9d25f328bbb5f2f88201b6a1253a98a682a5d601"},"schema_version":"1.0","source":{"id":"1510.01023","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1510.01023","created_at":"2026-05-18T01:10:33Z"},{"alias_kind":"arxiv_version","alias_value":"1510.01023v1","created_at":"2026-05-18T01:10:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1510.01023","created_at":"2026-05-18T01:10:33Z"},{"alias_kind":"pith_short_12","alias_value":"GK56UZT7XKXI","created_at":"2026-05-18T12:29:22Z"},{"alias_kind":"pith_short_16","alias_value":"GK56UZT7XKXI4UH5","created_at":"2026-05-18T12:29:22Z"},{"alias_kind":"pith_short_8","alias_value":"GK56UZT7","created_at":"2026-05-18T12:29:22Z"}],"graph_snapshots":[{"event_id":"sha256:b4395f21fffb31f712bb6477bec5a53681913bb9a205e28f902aebfd6a3bbbc1","target":"graph","created_at":"2026-05-18T01:10:33Z","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"},"paper":{"abstract_excerpt":"How can relevant information be extracted from a quantum process? In many situations, only some part of the total information content produced by an information source is useful. Can one then find an efficient encoding, in the sense of retaining the largest fraction of relevant information? This paper offers one possible solution by giving a generalization of a classical method designed to retain as much relevant information as possible in a lossy data compression. A key feature of the method is to introduce a second information source to define relevance. We quantify the advantage a quantum e","authors_text":"Arne L. Grimsmo, Susanne Still","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2015-10-05T04:05:37Z","title":"Quantum Predictive Filtering"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1510.01023","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:fe7ab0acae469c69317b097a20e1a68175a0b476cb67c88538069dfd08cc67bf","target":"record","created_at":"2026-05-18T01:10:33Z","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":"4330325110bfa6d395369ea2edba8f0c6013ced5bca47de27cc043072a3edd38","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2015-10-05T04:05:37Z","title_canon_sha256":"1d05cb2a1ee9bc870d38679f9d25f328bbb5f2f88201b6a1253a98a682a5d601"},"schema_version":"1.0","source":{"id":"1510.01023","kind":"arxiv","version":1}},"canonical_sha256":"32bbea667fbaae8e50fd0d0ed2bbecb6853ac7f44b6c9a6560f1ac50606582e9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"32bbea667fbaae8e50fd0d0ed2bbecb6853ac7f44b6c9a6560f1ac50606582e9","first_computed_at":"2026-05-18T01:10:33.173907Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:10:33.173907Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"gCRkhADO/VjJ0fn/e8qb5wMM1UwNS8Q2AN5Az1HRUIPzfEx4akp6ytLbeJE2pViCbb+iPAjkCdv5SWorEcpdBg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:10:33.174610Z","signed_message":"canonical_sha256_bytes"},"source_id":"1510.01023","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:fe7ab0acae469c69317b097a20e1a68175a0b476cb67c88538069dfd08cc67bf","sha256:b4395f21fffb31f712bb6477bec5a53681913bb9a205e28f902aebfd6a3bbbc1"],"state_sha256":"70acf7f24b23f6e7b82e2b9276e36ce5a6717896fb1c323b763a2b2188d2606f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Ql15SK4ftBVsTDpyOY4qjOMB0FEHILqOAE8GgaazVPX9xPqo+hfACcU6DfxoBgc9lJVX/rjg7OsI2hITz/TVCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T10:10:24.311078Z","bundle_sha256":"5cd7fae33d9397a6c8999179c5366f70d9c0c13f8f9364bdb151c2a19aff107c"}}