{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:LH6VHB2MSFUPYVI2AVGCJNRBCO","short_pith_number":"pith:LH6VHB2M","canonical_record":{"source":{"id":"2407.01671","kind":"arxiv","version":6},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2024-07-01T18:00:01Z","cross_cats_sorted":[],"title_canon_sha256":"9314b5d6e682b03da87f1d288c830c28c9d5c48cc86219a7da235e6adedf0c98","abstract_canon_sha256":"3c819e097d4bcedbd1711f7206a48ab9ae9f7f1a5c3b0eb6d36485e8683bba55"},"schema_version":"1.0"},"canonical_sha256":"59fd53874c9168fc551a054c24b621139f66080205fb92b103090d5f7a4211de","source":{"kind":"arxiv","id":"2407.01671","version":6},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2407.01671","created_at":"2026-07-03T01:17:10Z"},{"alias_kind":"arxiv_version","alias_value":"2407.01671v6","created_at":"2026-07-03T01:17:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2407.01671","created_at":"2026-07-03T01:17:10Z"},{"alias_kind":"pith_short_12","alias_value":"LH6VHB2MSFUP","created_at":"2026-07-03T01:17:10Z"},{"alias_kind":"pith_short_16","alias_value":"LH6VHB2MSFUPYVI2","created_at":"2026-07-03T01:17:10Z"},{"alias_kind":"pith_short_8","alias_value":"LH6VHB2M","created_at":"2026-07-03T01:17:10Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:LH6VHB2MSFUPYVI2AVGCJNRBCO","target":"record","payload":{"canonical_record":{"source":{"id":"2407.01671","kind":"arxiv","version":6},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2024-07-01T18:00:01Z","cross_cats_sorted":[],"title_canon_sha256":"9314b5d6e682b03da87f1d288c830c28c9d5c48cc86219a7da235e6adedf0c98","abstract_canon_sha256":"3c819e097d4bcedbd1711f7206a48ab9ae9f7f1a5c3b0eb6d36485e8683bba55"},"schema_version":"1.0"},"canonical_sha256":"59fd53874c9168fc551a054c24b621139f66080205fb92b103090d5f7a4211de","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-03T01:17:10.028079Z","signature_b64":"HMWfC8mG4PyNioRvfMf+bvI4P3t32EPAeP0TzKrldn5fNG12yu3beFVwfyEnuqcfGD4fr/mQ/2qOrHjKetjKDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"59fd53874c9168fc551a054c24b621139f66080205fb92b103090d5f7a4211de","last_reissued_at":"2026-07-03T01:17:10.027578Z","signature_status":"signed_v1","first_computed_at":"2026-07-03T01:17:10.027578Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2407.01671","source_version":6,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-03T01:17:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CdUyEVIeFiSA+tAojT+UYRSfn0R6sWSVe0ZrJFFz5C4fudtSUhwzOurtFe6dty/I+gkMl1bufLLYPUUv9oodBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-08T18:19:06.301960Z"},"content_sha256":"aea9661df5744cbe89dbcb7d79982579d3b18604e6783805c010939bb9af333e","schema_version":"1.0","event_id":"sha256:aea9661df5744cbe89dbcb7d79982579d3b18604e6783805c010939bb9af333e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:LH6VHB2MSFUPYVI2AVGCJNRBCO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Quantum State Preparation via Free Binary Decision Diagram","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Hayata Yamasaki, Mio Murao, Yu Tanaka","submitted_at":"2024-07-01T18:00:01Z","abstract_excerpt":"Quantum state preparation (QSP) is a fundamental task in quantum computation to prepare a quantum state for a given classical description of the quantum state. The classical description of an $n$-qubit quantum state may have $\\exp(O(n))$ parameters in general, which are inherently inefficient to prepare the corresponding state in the worst case. However, in many practical cases, we may be able to employ suitable data structures for QSP. An ordered binary decision diagram (OBDD) and a free BDD (FBDD) are such data structures to represent the large-scale data in a compressed way. An efficient QS"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2407.01671","kind":"arxiv","version":6},"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/2407.01671/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":"2026-07-03T01:17:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"X98FRgq6vyTxDpWlqgXTYFhC36e12YERKeBPFXzX7B7hWwGc2RMQtd1r1rr08kOSBQw+zCvAUgxpMBJUkPCoCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-08T18:19:06.302455Z"},"content_sha256":"ac9e355dd3a55b816bbae5847d264bb39194f2894dc4364a23369810bd5677d5","schema_version":"1.0","event_id":"sha256:ac9e355dd3a55b816bbae5847d264bb39194f2894dc4364a23369810bd5677d5"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LH6VHB2MSFUPYVI2AVGCJNRBCO/bundle.json","state_url":"https://pith.science/pith/LH6VHB2MSFUPYVI2AVGCJNRBCO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LH6VHB2MSFUPYVI2AVGCJNRBCO/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":"2026-08-08T18:19:06Z","links":{"resolver":"https://pith.science/pith/LH6VHB2MSFUPYVI2AVGCJNRBCO","bundle":"https://pith.science/pith/LH6VHB2MSFUPYVI2AVGCJNRBCO/bundle.json","state":"https://pith.science/pith/LH6VHB2MSFUPYVI2AVGCJNRBCO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LH6VHB2MSFUPYVI2AVGCJNRBCO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:LH6VHB2MSFUPYVI2AVGCJNRBCO","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":"3c819e097d4bcedbd1711f7206a48ab9ae9f7f1a5c3b0eb6d36485e8683bba55","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2024-07-01T18:00:01Z","title_canon_sha256":"9314b5d6e682b03da87f1d288c830c28c9d5c48cc86219a7da235e6adedf0c98"},"schema_version":"1.0","source":{"id":"2407.01671","kind":"arxiv","version":6}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2407.01671","created_at":"2026-07-03T01:17:10Z"},{"alias_kind":"arxiv_version","alias_value":"2407.01671v6","created_at":"2026-07-03T01:17:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2407.01671","created_at":"2026-07-03T01:17:10Z"},{"alias_kind":"pith_short_12","alias_value":"LH6VHB2MSFUP","created_at":"2026-07-03T01:17:10Z"},{"alias_kind":"pith_short_16","alias_value":"LH6VHB2MSFUPYVI2","created_at":"2026-07-03T01:17:10Z"},{"alias_kind":"pith_short_8","alias_value":"LH6VHB2M","created_at":"2026-07-03T01:17:10Z"}],"graph_snapshots":[{"event_id":"sha256:ac9e355dd3a55b816bbae5847d264bb39194f2894dc4364a23369810bd5677d5","target":"graph","created_at":"2026-07-03T01:17:10Z","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/2407.01671/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Quantum state preparation (QSP) is a fundamental task in quantum computation to prepare a quantum state for a given classical description of the quantum state. The classical description of an $n$-qubit quantum state may have $\\exp(O(n))$ parameters in general, which are inherently inefficient to prepare the corresponding state in the worst case. However, in many practical cases, we may be able to employ suitable data structures for QSP. An ordered binary decision diagram (OBDD) and a free BDD (FBDD) are such data structures to represent the large-scale data in a compressed way. An efficient QS","authors_text":"Hayata Yamasaki, Mio Murao, Yu Tanaka","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2024-07-01T18:00:01Z","title":"Quantum State Preparation via Free Binary Decision Diagram"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2407.01671","kind":"arxiv","version":6},"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:aea9661df5744cbe89dbcb7d79982579d3b18604e6783805c010939bb9af333e","target":"record","created_at":"2026-07-03T01:17:10Z","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":"3c819e097d4bcedbd1711f7206a48ab9ae9f7f1a5c3b0eb6d36485e8683bba55","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2024-07-01T18:00:01Z","title_canon_sha256":"9314b5d6e682b03da87f1d288c830c28c9d5c48cc86219a7da235e6adedf0c98"},"schema_version":"1.0","source":{"id":"2407.01671","kind":"arxiv","version":6}},"canonical_sha256":"59fd53874c9168fc551a054c24b621139f66080205fb92b103090d5f7a4211de","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"59fd53874c9168fc551a054c24b621139f66080205fb92b103090d5f7a4211de","first_computed_at":"2026-07-03T01:17:10.027578Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-03T01:17:10.027578Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"HMWfC8mG4PyNioRvfMf+bvI4P3t32EPAeP0TzKrldn5fNG12yu3beFVwfyEnuqcfGD4fr/mQ/2qOrHjKetjKDw==","signature_status":"signed_v1","signed_at":"2026-07-03T01:17:10.028079Z","signed_message":"canonical_sha256_bytes"},"source_id":"2407.01671","source_kind":"arxiv","source_version":6}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:aea9661df5744cbe89dbcb7d79982579d3b18604e6783805c010939bb9af333e","sha256:ac9e355dd3a55b816bbae5847d264bb39194f2894dc4364a23369810bd5677d5"],"state_sha256":"33b1a4e04c92522ecf364236d57d2a74ad0552d8063f39091e6833fe79dfe1ba"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YOcGBNbJJ8D+zoFW7P5SjBcNRLcwNSVZ8893MTPSeW3fGW7Q+QQlbOoGKFhiIj4G8NbqxBcB7IKfl1sB2V65Cg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-08T18:19:06.307126Z","bundle_sha256":"dd3e8fbe9a6dacee3d8dec4ff03a5e0070868617b1abf8b54ab1e0463cf5fbc8"}}