{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:HHRUP3X6CDLOBWSNVWCNROX3ME","short_pith_number":"pith:HHRUP3X6","canonical_record":{"source":{"id":"1911.10205","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2019-11-22T19:00:01Z","cross_cats_sorted":[],"title_canon_sha256":"ddfaf165f85c30bd2bbca762abefed52bdb2295ab4ef0c63d019fa75fa952d18","abstract_canon_sha256":"1b126a9967b4a8704ea4f0526645eda1a7a914a850a7e05f11c05f42b25b815f"},"schema_version":"1.0"},"canonical_sha256":"39e347eefe10d6e0da4dad84d8bafb612f5249d63990492e8084edf5ef3147e1","source":{"kind":"arxiv","id":"1911.10205","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1911.10205","created_at":"2026-07-05T02:37:26Z"},{"alias_kind":"arxiv_version","alias_value":"1911.10205v2","created_at":"2026-07-05T02:37:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1911.10205","created_at":"2026-07-05T02:37:26Z"},{"alias_kind":"pith_short_12","alias_value":"HHRUP3X6CDLO","created_at":"2026-07-05T02:37:26Z"},{"alias_kind":"pith_short_16","alias_value":"HHRUP3X6CDLOBWSN","created_at":"2026-07-05T02:37:26Z"},{"alias_kind":"pith_short_8","alias_value":"HHRUP3X6","created_at":"2026-07-05T02:37:26Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:HHRUP3X6CDLOBWSNVWCNROX3ME","target":"record","payload":{"canonical_record":{"source":{"id":"1911.10205","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2019-11-22T19:00:01Z","cross_cats_sorted":[],"title_canon_sha256":"ddfaf165f85c30bd2bbca762abefed52bdb2295ab4ef0c63d019fa75fa952d18","abstract_canon_sha256":"1b126a9967b4a8704ea4f0526645eda1a7a914a850a7e05f11c05f42b25b815f"},"schema_version":"1.0"},"canonical_sha256":"39e347eefe10d6e0da4dad84d8bafb612f5249d63990492e8084edf5ef3147e1","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:37:26.312510Z","signature_b64":"3p9XA8L/3vionzl1DH5un/kUyzi0nZH2mKZURkGH/52Xy+TFeKycEUAVhPtxvnFu2qITXdAMczBtFLjc3CJqAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"39e347eefe10d6e0da4dad84d8bafb612f5249d63990492e8084edf5ef3147e1","last_reissued_at":"2026-07-05T02:37:26.312049Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:37:26.312049Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1911.10205","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T02:37:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"U940tOe6RqevUO17AyAXa9tyhBcPOpsHGFCvoq0Gl14N2uCk4l4TDno8buoQLyy0SPSa9SEL/YVknwbLoMQHAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T04:43:56.674479Z"},"content_sha256":"c9ece941e740ff0ef4b89454d7ccc2b4d851942233d97a1e4b83694d393833f4","schema_version":"1.0","event_id":"sha256:c9ece941e740ff0ef4b89454d7ccc2b4d851942233d97a1e4b83694d393833f4"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:HHRUP3X6CDLOBWSNVWCNROX3ME","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"qubit-ADAPT-VQE: An adaptive algorithm for constructing hardware-efficient ansatze on a quantum processor","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Edwin Barnes, George S. Barron, Harper R. Grimsley, Ho Lun Tang, Nicholas J. Mayhall, Sophia E. Economou, V. O. Shkolnikov","submitted_at":"2019-11-22T19:00:01Z","abstract_excerpt":"Quantum simulation, one of the most promising applications of a quantum computer, is currently being explored intensely using the variational quantum eigensolver. The feasibility and performance of this algorithm depend critically on the form of the wavefunction ansatz. Recently in Nat. Commun. 10, 3007 (2019), an algorithm termed ADAPT-VQE was introduced to build system-adapted ans\\\"atze with substantially fewer variational parameters compared to other approaches. This algorithm relies heavily on a predefined operator pool with which it builds the ansatz. However, Nat. Commun. 10, 3007 (2019)"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1911.10205","kind":"arxiv","version":2},"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/1911.10205/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":"2026-07-05T02:37:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/tTZzyK4jRnjN9XgVwCiu/VjfzF0KBFqdwed7cHxWEb0RKsirMR8yndl17QGtvdcGmN/R6k/XBELbLgrDpcoDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T04:43:56.674988Z"},"content_sha256":"47431e274a52a780d1c573b0512e13916640eed44c6083e30330705a24bc7967","schema_version":"1.0","event_id":"sha256:47431e274a52a780d1c573b0512e13916640eed44c6083e30330705a24bc7967"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HHRUP3X6CDLOBWSNVWCNROX3ME/bundle.json","state_url":"https://pith.science/pith/HHRUP3X6CDLOBWSNVWCNROX3ME/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HHRUP3X6CDLOBWSNVWCNROX3ME/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":"2026-08-04T04:43:56Z","links":{"resolver":"https://pith.science/pith/HHRUP3X6CDLOBWSNVWCNROX3ME","bundle":"https://pith.science/pith/HHRUP3X6CDLOBWSNVWCNROX3ME/bundle.json","state":"https://pith.science/pith/HHRUP3X6CDLOBWSNVWCNROX3ME/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HHRUP3X6CDLOBWSNVWCNROX3ME/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:HHRUP3X6CDLOBWSNVWCNROX3ME","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":"1b126a9967b4a8704ea4f0526645eda1a7a914a850a7e05f11c05f42b25b815f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2019-11-22T19:00:01Z","title_canon_sha256":"ddfaf165f85c30bd2bbca762abefed52bdb2295ab4ef0c63d019fa75fa952d18"},"schema_version":"1.0","source":{"id":"1911.10205","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1911.10205","created_at":"2026-07-05T02:37:26Z"},{"alias_kind":"arxiv_version","alias_value":"1911.10205v2","created_at":"2026-07-05T02:37:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1911.10205","created_at":"2026-07-05T02:37:26Z"},{"alias_kind":"pith_short_12","alias_value":"HHRUP3X6CDLO","created_at":"2026-07-05T02:37:26Z"},{"alias_kind":"pith_short_16","alias_value":"HHRUP3X6CDLOBWSN","created_at":"2026-07-05T02:37:26Z"},{"alias_kind":"pith_short_8","alias_value":"HHRUP3X6","created_at":"2026-07-05T02:37:26Z"}],"graph_snapshots":[{"event_id":"sha256:47431e274a52a780d1c573b0512e13916640eed44c6083e30330705a24bc7967","target":"graph","created_at":"2026-07-05T02:37:26Z","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/1911.10205/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Quantum simulation, one of the most promising applications of a quantum computer, is currently being explored intensely using the variational quantum eigensolver. The feasibility and performance of this algorithm depend critically on the form of the wavefunction ansatz. Recently in Nat. Commun. 10, 3007 (2019), an algorithm termed ADAPT-VQE was introduced to build system-adapted ans\\\"atze with substantially fewer variational parameters compared to other approaches. This algorithm relies heavily on a predefined operator pool with which it builds the ansatz. However, Nat. Commun. 10, 3007 (2019)","authors_text":"Edwin Barnes, George S. Barron, Harper R. Grimsley, Ho Lun Tang, Nicholas J. Mayhall, Sophia E. Economou, V. O. Shkolnikov","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2019-11-22T19:00:01Z","title":"qubit-ADAPT-VQE: An adaptive algorithm for constructing hardware-efficient ansatze on a quantum processor"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1911.10205","kind":"arxiv","version":2},"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:c9ece941e740ff0ef4b89454d7ccc2b4d851942233d97a1e4b83694d393833f4","target":"record","created_at":"2026-07-05T02:37:26Z","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":"1b126a9967b4a8704ea4f0526645eda1a7a914a850a7e05f11c05f42b25b815f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2019-11-22T19:00:01Z","title_canon_sha256":"ddfaf165f85c30bd2bbca762abefed52bdb2295ab4ef0c63d019fa75fa952d18"},"schema_version":"1.0","source":{"id":"1911.10205","kind":"arxiv","version":2}},"canonical_sha256":"39e347eefe10d6e0da4dad84d8bafb612f5249d63990492e8084edf5ef3147e1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"39e347eefe10d6e0da4dad84d8bafb612f5249d63990492e8084edf5ef3147e1","first_computed_at":"2026-07-05T02:37:26.312049Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:37:26.312049Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"3p9XA8L/3vionzl1DH5un/kUyzi0nZH2mKZURkGH/52Xy+TFeKycEUAVhPtxvnFu2qITXdAMczBtFLjc3CJqAw==","signature_status":"signed_v1","signed_at":"2026-07-05T02:37:26.312510Z","signed_message":"canonical_sha256_bytes"},"source_id":"1911.10205","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c9ece941e740ff0ef4b89454d7ccc2b4d851942233d97a1e4b83694d393833f4","sha256:47431e274a52a780d1c573b0512e13916640eed44c6083e30330705a24bc7967"],"state_sha256":"1b0f366b131a7efec89ff3db53266b27de155a815a8f780bd547db10d42a862e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fuFnfBSC8TUY8yxYCBQWV/sR4q4YdGOwCejmMCPGkUY7vBI8V15x4GPlocA3qpqdwtFwOeOVsu+r4/EtiZjhDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-04T04:43:56.678484Z","bundle_sha256":"468348bfffda4c82b15937c75b28b344d0bde2711090334ebc09415b11c12c4e"}}