{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:6UTHQR5WDP5UC32WE6PMGSVBMP","short_pith_number":"pith:6UTHQR5W","canonical_record":{"source":{"id":"1110.1508","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2011-10-07T12:42:53Z","cross_cats_sorted":["quant-ph"],"title_canon_sha256":"f0342eda5234c142d6fe40148e978c5a3df5db1716d3ce14ebac0d6655feeb81","abstract_canon_sha256":"7c1c1cd8f0db3fd8debb3200ed7b29c3ef5d5c6beca7290864c2fcdd1a896498"},"schema_version":"1.0"},"canonical_sha256":"f5267847b61bfb416f56279ec34aa163c1d60943695fc781c3a4e1b8ae13bae1","source":{"kind":"arxiv","id":"1110.1508","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1110.1508","created_at":"2026-05-18T03:56:22Z"},{"alias_kind":"arxiv_version","alias_value":"1110.1508v1","created_at":"2026-05-18T03:56:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1110.1508","created_at":"2026-05-18T03:56:22Z"},{"alias_kind":"pith_short_12","alias_value":"6UTHQR5WDP5U","created_at":"2026-05-18T12:26:22Z"},{"alias_kind":"pith_short_16","alias_value":"6UTHQR5WDP5UC32W","created_at":"2026-05-18T12:26:22Z"},{"alias_kind":"pith_short_8","alias_value":"6UTHQR5W","created_at":"2026-05-18T12:26:22Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:6UTHQR5WDP5UC32WE6PMGSVBMP","target":"record","payload":{"canonical_record":{"source":{"id":"1110.1508","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2011-10-07T12:42:53Z","cross_cats_sorted":["quant-ph"],"title_canon_sha256":"f0342eda5234c142d6fe40148e978c5a3df5db1716d3ce14ebac0d6655feeb81","abstract_canon_sha256":"7c1c1cd8f0db3fd8debb3200ed7b29c3ef5d5c6beca7290864c2fcdd1a896498"},"schema_version":"1.0"},"canonical_sha256":"f5267847b61bfb416f56279ec34aa163c1d60943695fc781c3a4e1b8ae13bae1","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:56:22.457957Z","signature_b64":"+u7EUIhEZC4o+lSJ0ChhvsNLR58rJhvSDPR1yQXcjz2dCnyYfSscQ+2ncW8mNwgfKtN8OOX8o8ynZVkLUhl1BA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f5267847b61bfb416f56279ec34aa163c1d60943695fc781c3a4e1b8ae13bae1","last_reissued_at":"2026-05-18T03:56:22.457304Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:56:22.457304Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1110.1508","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":"2026-05-18T03:56:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tKFCEoBmuMY7bTb3ZUVxHYrbESuF6JHEOLv40OGV0grqfKI44mxx/UIrxT0ReBf4ZTANOI8zwZCsXo1WI1P1Cg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T11:49:41.927406Z"},"content_sha256":"0601da7c0e9a852176b06acfe09c10c85c032e2f5b03010e357e5f9f6564b412","schema_version":"1.0","event_id":"sha256:0601da7c0e9a852176b06acfe09c10c85c032e2f5b03010e357e5f9f6564b412"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:6UTHQR5WDP5UC32WE6PMGSVBMP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Superconducting qubit manipulated by fast pulses: experimental observation of distinct decoherence regimes","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["quant-ph"],"primary_cat":"cond-mat.supr-con","authors_text":"A. D'Arrigo, C. Cosmelli, E. Paladino, F. Chiarello, G. Falci, G. Torrioli, M. G. Castellano","submitted_at":"2011-10-07T12:42:53Z","abstract_excerpt":"A particular superconducting quantum interference device (SQUID)qubit, indicated as double SQUID qubit, can be manipulated by rapidly modifying its potential with the application of fast flux pulses. In this system we observe coherent oscillations exhibiting non-exponential decay, indicating a non trivial decoherence mechanism. Moreover, by tuning the qubit in different conditions (different oscillation frequencies) by changing the pulse height, we observe a crossover between two distinct decoherence regimes and the existence of an \"optimal\" point where the qubit is only weakly sensitive to in"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1110.1508","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":"2026-05-18T03:56:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QJWnEJScJR32ZjQeb5hixyRWbqeEGMFqY4Ri+3TYtY7UcB6UihiIhoF2E0k+pcsQjn/hspDwoBpBpfA0/0N7Ag==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T11:49:41.928071Z"},"content_sha256":"42aec3ecf5850b96afd229e83b929a52faa08e86ed41410b0a45325de15a91f4","schema_version":"1.0","event_id":"sha256:42aec3ecf5850b96afd229e83b929a52faa08e86ed41410b0a45325de15a91f4"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6UTHQR5WDP5UC32WE6PMGSVBMP/bundle.json","state_url":"https://pith.science/pith/6UTHQR5WDP5UC32WE6PMGSVBMP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6UTHQR5WDP5UC32WE6PMGSVBMP/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":"2026-05-27T11:49:41Z","links":{"resolver":"https://pith.science/pith/6UTHQR5WDP5UC32WE6PMGSVBMP","bundle":"https://pith.science/pith/6UTHQR5WDP5UC32WE6PMGSVBMP/bundle.json","state":"https://pith.science/pith/6UTHQR5WDP5UC32WE6PMGSVBMP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6UTHQR5WDP5UC32WE6PMGSVBMP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:6UTHQR5WDP5UC32WE6PMGSVBMP","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":"7c1c1cd8f0db3fd8debb3200ed7b29c3ef5d5c6beca7290864c2fcdd1a896498","cross_cats_sorted":["quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2011-10-07T12:42:53Z","title_canon_sha256":"f0342eda5234c142d6fe40148e978c5a3df5db1716d3ce14ebac0d6655feeb81"},"schema_version":"1.0","source":{"id":"1110.1508","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1110.1508","created_at":"2026-05-18T03:56:22Z"},{"alias_kind":"arxiv_version","alias_value":"1110.1508v1","created_at":"2026-05-18T03:56:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1110.1508","created_at":"2026-05-18T03:56:22Z"},{"alias_kind":"pith_short_12","alias_value":"6UTHQR5WDP5U","created_at":"2026-05-18T12:26:22Z"},{"alias_kind":"pith_short_16","alias_value":"6UTHQR5WDP5UC32W","created_at":"2026-05-18T12:26:22Z"},{"alias_kind":"pith_short_8","alias_value":"6UTHQR5W","created_at":"2026-05-18T12:26:22Z"}],"graph_snapshots":[{"event_id":"sha256:42aec3ecf5850b96afd229e83b929a52faa08e86ed41410b0a45325de15a91f4","target":"graph","created_at":"2026-05-18T03:56:22Z","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":"A particular superconducting quantum interference device (SQUID)qubit, indicated as double SQUID qubit, can be manipulated by rapidly modifying its potential with the application of fast flux pulses. In this system we observe coherent oscillations exhibiting non-exponential decay, indicating a non trivial decoherence mechanism. Moreover, by tuning the qubit in different conditions (different oscillation frequencies) by changing the pulse height, we observe a crossover between two distinct decoherence regimes and the existence of an \"optimal\" point where the qubit is only weakly sensitive to in","authors_text":"A. D'Arrigo, C. Cosmelli, E. Paladino, F. Chiarello, G. Falci, G. Torrioli, M. G. Castellano","cross_cats":["quant-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2011-10-07T12:42:53Z","title":"Superconducting qubit manipulated by fast pulses: experimental observation of distinct decoherence regimes"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1110.1508","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":"sha256:0601da7c0e9a852176b06acfe09c10c85c032e2f5b03010e357e5f9f6564b412","target":"record","created_at":"2026-05-18T03:56:22Z","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":"7c1c1cd8f0db3fd8debb3200ed7b29c3ef5d5c6beca7290864c2fcdd1a896498","cross_cats_sorted":["quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2011-10-07T12:42:53Z","title_canon_sha256":"f0342eda5234c142d6fe40148e978c5a3df5db1716d3ce14ebac0d6655feeb81"},"schema_version":"1.0","source":{"id":"1110.1508","kind":"arxiv","version":1}},"canonical_sha256":"f5267847b61bfb416f56279ec34aa163c1d60943695fc781c3a4e1b8ae13bae1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f5267847b61bfb416f56279ec34aa163c1d60943695fc781c3a4e1b8ae13bae1","first_computed_at":"2026-05-18T03:56:22.457304Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:56:22.457304Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"+u7EUIhEZC4o+lSJ0ChhvsNLR58rJhvSDPR1yQXcjz2dCnyYfSscQ+2ncW8mNwgfKtN8OOX8o8ynZVkLUhl1BA==","signature_status":"signed_v1","signed_at":"2026-05-18T03:56:22.457957Z","signed_message":"canonical_sha256_bytes"},"source_id":"1110.1508","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0601da7c0e9a852176b06acfe09c10c85c032e2f5b03010e357e5f9f6564b412","sha256:42aec3ecf5850b96afd229e83b929a52faa08e86ed41410b0a45325de15a91f4"],"state_sha256":"96705fcb8e897251b9ebd538f6aa25e2107e752e16c2dd0899289cdde16681f9"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4Lk/fM+Agy8GSohKYPLwF1QWc51K58oeci9qqsRqH7iYN14TfDjA/IWA3M82B9xFSe+TAp5dFpxoUNSrEkqlDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T11:49:41.930679Z","bundle_sha256":"e5b07a8688b8ca7b959b2d67f7ea6f6a70dfcd41918f8e4bd4a2b6ea8593a84d"}}