{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:YWTXLQMW4RVE6J2BJHDRKDJTC6","short_pith_number":"pith:YWTXLQMW","canonical_record":{"source":{"id":"2202.09647","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2022-02-19T17:18:15Z","cross_cats_sorted":[],"title_canon_sha256":"d7e8649cd6d6e7b30a20197175a4673053c84cec101f39b75035240532ab9d28","abstract_canon_sha256":"eb9f1bdb36e3aef3fae2c96a4e0a421b7bba8f43b30154d90a8c2cdfde8a3da4"},"schema_version":"1.0"},"canonical_sha256":"c5a775c196e46a4f274149c7150d3317b8966a5f5f4998aad3de8a302b1eedc0","source":{"kind":"arxiv","id":"2202.09647","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2202.09647","created_at":"2026-07-05T03:58:24Z"},{"alias_kind":"arxiv_version","alias_value":"2202.09647v1","created_at":"2026-07-05T03:58:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2202.09647","created_at":"2026-07-05T03:58:24Z"},{"alias_kind":"pith_short_12","alias_value":"YWTXLQMW4RVE","created_at":"2026-07-05T03:58:24Z"},{"alias_kind":"pith_short_16","alias_value":"YWTXLQMW4RVE6J2B","created_at":"2026-07-05T03:58:24Z"},{"alias_kind":"pith_short_8","alias_value":"YWTXLQMW","created_at":"2026-07-05T03:58:24Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:YWTXLQMW4RVE6J2BJHDRKDJTC6","target":"record","payload":{"canonical_record":{"source":{"id":"2202.09647","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2022-02-19T17:18:15Z","cross_cats_sorted":[],"title_canon_sha256":"d7e8649cd6d6e7b30a20197175a4673053c84cec101f39b75035240532ab9d28","abstract_canon_sha256":"eb9f1bdb36e3aef3fae2c96a4e0a421b7bba8f43b30154d90a8c2cdfde8a3da4"},"schema_version":"1.0"},"canonical_sha256":"c5a775c196e46a4f274149c7150d3317b8966a5f5f4998aad3de8a302b1eedc0","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:58:24.571606Z","signature_b64":"OSJlSq/NyRD0Ssu4KQXZt4Q2j+loZrqO6IgOjf9NuPlXhy3ceu0lRbuVy7rKCC8A0Lk/8KN/6PHEcRaGseHOBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c5a775c196e46a4f274149c7150d3317b8966a5f5f4998aad3de8a302b1eedc0","last_reissued_at":"2026-07-05T03:58:24.571211Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:58:24.571211Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2202.09647","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":"2026-07-05T03:58:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JNkuZm2AkXDxhtNiVNXH/Upb9bFRyzlmikiITJA5leCp+5r16A/K2oLMcNSKXbML+1A639NknhwGHx3KJgiKDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-16T00:04:02.446853Z"},"content_sha256":"59bddca6baf8e38781ec71d8227496759940a6d350695bbc3f8991b6dc47c3e4","schema_version":"1.0","event_id":"sha256:59bddca6baf8e38781ec71d8227496759940a6d350695bbc3f8991b6dc47c3e4"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:YWTXLQMW4RVE6J2BJHDRKDJTC6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Experimental demonstration of composite pulses on IBM's quantum computer","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Boyan T. Torosov, Nikolay V. Vitanov","submitted_at":"2022-02-19T17:18:15Z","abstract_excerpt":"We perform comprehensive experimental tests of various composite pulse sequences using one of open-access IBM's quantum processors, based on superconducting transmon qubits. We implement explicit pulse control of the qubit by making use of the opportunity of low-level access to the backend, provided by IBM Quantum. We obtain the excitation profiles for a huge variety of broadband, narrowband, and passband composite pulses, producing any pre-chosen target probabilities, ranging from zero to one. We also test universal composite pulses which compensate errors in any experimental parameter. In al"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2202.09647","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/2202.09647/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":"2026-07-05T03:58:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/KoHMyqkBHvHo3QB3/PETWn+S3veDZ7b+yB23PFhAXqoCMRv2SqaQynEAh1rZR2rnxrWc61dhsX8586PMxQZAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-16T00:04:02.447760Z"},"content_sha256":"f0355c734fd120466e2754965283e73b6372310c08a47b48145438d30665a559","schema_version":"1.0","event_id":"sha256:f0355c734fd120466e2754965283e73b6372310c08a47b48145438d30665a559"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YWTXLQMW4RVE6J2BJHDRKDJTC6/bundle.json","state_url":"https://pith.science/pith/YWTXLQMW4RVE6J2BJHDRKDJTC6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YWTXLQMW4RVE6J2BJHDRKDJTC6/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":"2026-08-16T00:04:02Z","links":{"resolver":"https://pith.science/pith/YWTXLQMW4RVE6J2BJHDRKDJTC6","bundle":"https://pith.science/pith/YWTXLQMW4RVE6J2BJHDRKDJTC6/bundle.json","state":"https://pith.science/pith/YWTXLQMW4RVE6J2BJHDRKDJTC6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YWTXLQMW4RVE6J2BJHDRKDJTC6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:YWTXLQMW4RVE6J2BJHDRKDJTC6","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":"eb9f1bdb36e3aef3fae2c96a4e0a421b7bba8f43b30154d90a8c2cdfde8a3da4","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2022-02-19T17:18:15Z","title_canon_sha256":"d7e8649cd6d6e7b30a20197175a4673053c84cec101f39b75035240532ab9d28"},"schema_version":"1.0","source":{"id":"2202.09647","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2202.09647","created_at":"2026-07-05T03:58:24Z"},{"alias_kind":"arxiv_version","alias_value":"2202.09647v1","created_at":"2026-07-05T03:58:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2202.09647","created_at":"2026-07-05T03:58:24Z"},{"alias_kind":"pith_short_12","alias_value":"YWTXLQMW4RVE","created_at":"2026-07-05T03:58:24Z"},{"alias_kind":"pith_short_16","alias_value":"YWTXLQMW4RVE6J2B","created_at":"2026-07-05T03:58:24Z"},{"alias_kind":"pith_short_8","alias_value":"YWTXLQMW","created_at":"2026-07-05T03:58:24Z"}],"graph_snapshots":[{"event_id":"sha256:f0355c734fd120466e2754965283e73b6372310c08a47b48145438d30665a559","target":"graph","created_at":"2026-07-05T03:58:24Z","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/2202.09647/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We perform comprehensive experimental tests of various composite pulse sequences using one of open-access IBM's quantum processors, based on superconducting transmon qubits. We implement explicit pulse control of the qubit by making use of the opportunity of low-level access to the backend, provided by IBM Quantum. We obtain the excitation profiles for a huge variety of broadband, narrowband, and passband composite pulses, producing any pre-chosen target probabilities, ranging from zero to one. We also test universal composite pulses which compensate errors in any experimental parameter. In al","authors_text":"Boyan T. Torosov, Nikolay V. Vitanov","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2022-02-19T17:18:15Z","title":"Experimental demonstration of composite pulses on IBM's quantum computer"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2202.09647","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":"sha256:59bddca6baf8e38781ec71d8227496759940a6d350695bbc3f8991b6dc47c3e4","target":"record","created_at":"2026-07-05T03:58:24Z","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":"eb9f1bdb36e3aef3fae2c96a4e0a421b7bba8f43b30154d90a8c2cdfde8a3da4","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2022-02-19T17:18:15Z","title_canon_sha256":"d7e8649cd6d6e7b30a20197175a4673053c84cec101f39b75035240532ab9d28"},"schema_version":"1.0","source":{"id":"2202.09647","kind":"arxiv","version":1}},"canonical_sha256":"c5a775c196e46a4f274149c7150d3317b8966a5f5f4998aad3de8a302b1eedc0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c5a775c196e46a4f274149c7150d3317b8966a5f5f4998aad3de8a302b1eedc0","first_computed_at":"2026-07-05T03:58:24.571211Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:58:24.571211Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"OSJlSq/NyRD0Ssu4KQXZt4Q2j+loZrqO6IgOjf9NuPlXhy3ceu0lRbuVy7rKCC8A0Lk/8KN/6PHEcRaGseHOBw==","signature_status":"signed_v1","signed_at":"2026-07-05T03:58:24.571606Z","signed_message":"canonical_sha256_bytes"},"source_id":"2202.09647","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:59bddca6baf8e38781ec71d8227496759940a6d350695bbc3f8991b6dc47c3e4","sha256:f0355c734fd120466e2754965283e73b6372310c08a47b48145438d30665a559"],"state_sha256":"3bbbdaf933c33ddcf0456849f9de2f41c4106538b6babedf9d29f0853968a509"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+lm4/xhybf8Kj4yjWzG6vYXXDLIQBntnt/qGb4NzhabtTZd9b9+yU6fO/+TvvFu6R1x1oUh4U1qP6eEe2aXvAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-16T00:04:02.457502Z","bundle_sha256":"9add4b08579ac418e11f4c9a8038a5283c9a896427f0c56b859504ed2da545ae"}}