{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:TWHOZTG6BVPO3RW5NPAZB77JMY","short_pith_number":"pith:TWHOZTG6","canonical_record":{"source":{"id":"1109.2490","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2011-09-12T15:05:44Z","cross_cats_sorted":[],"title_canon_sha256":"d026d7b9af85b00c156afe1bc9d2667f7b0ccc1456c225a9ddfa8053060af1ee","abstract_canon_sha256":"827600181098dc23ee95789a1b29a5b25a6caf76e317f95c491e613223a23cb1"},"schema_version":"1.0"},"canonical_sha256":"9d8eecccde0d5eedc6dd6bc190ffe966256eee4b6eee37e6dc588fbeb79c4bd6","source":{"kind":"arxiv","id":"1109.2490","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1109.2490","created_at":"2026-05-18T02:00:34Z"},{"alias_kind":"arxiv_version","alias_value":"1109.2490v1","created_at":"2026-05-18T02:00:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1109.2490","created_at":"2026-05-18T02:00:34Z"},{"alias_kind":"pith_short_12","alias_value":"TWHOZTG6BVPO","created_at":"2026-05-18T12:26:42Z"},{"alias_kind":"pith_short_16","alias_value":"TWHOZTG6BVPO3RW5","created_at":"2026-05-18T12:26:42Z"},{"alias_kind":"pith_short_8","alias_value":"TWHOZTG6","created_at":"2026-05-18T12:26:42Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:TWHOZTG6BVPO3RW5NPAZB77JMY","target":"record","payload":{"canonical_record":{"source":{"id":"1109.2490","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2011-09-12T15:05:44Z","cross_cats_sorted":[],"title_canon_sha256":"d026d7b9af85b00c156afe1bc9d2667f7b0ccc1456c225a9ddfa8053060af1ee","abstract_canon_sha256":"827600181098dc23ee95789a1b29a5b25a6caf76e317f95c491e613223a23cb1"},"schema_version":"1.0"},"canonical_sha256":"9d8eecccde0d5eedc6dd6bc190ffe966256eee4b6eee37e6dc588fbeb79c4bd6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:00:34.390790Z","signature_b64":"9QoNuzLTy54D/R40fiuxv0izANjLVkhdfp2dUIyPGQjyCf5EgTlMhNON+oIVbatddKj05vfOK+Dmh+xZPrIBDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9d8eecccde0d5eedc6dd6bc190ffe966256eee4b6eee37e6dc588fbeb79c4bd6","last_reissued_at":"2026-05-18T02:00:34.390141Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:00:34.390141Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1109.2490","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":"2026-05-18T02:00:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9faKyMJjtytPBq6XV4S3xYrPbylc0jdbtwhI4QZCj0OPNQc+KmO3Adj09NteDso+bjHqrbUmKPTTH9Wps8+3Bg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T01:23:41.010983Z"},"content_sha256":"d4e0f674007061d1283dd8a1a3e8424d9f62c589272b233ebfca74416eb37880","schema_version":"1.0","event_id":"sha256:d4e0f674007061d1283dd8a1a3e8424d9f62c589272b233ebfca74416eb37880"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:TWHOZTG6BVPO3RW5NPAZB77JMY","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Nonlinear spectroscopy of superconducting anharmonic resonators","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"David P. DiVincenzo, John A. Smolin","submitted_at":"2011-09-12T15:05:44Z","abstract_excerpt":"We formulate a model for the steady state response of a nonlinear quantum oscillator structure, such as those used in a variety of superconducting qubit experiments, when excited by a steady, but not necessarily small, ac tone. We show that this model can be derived directly from a circuit description of some recent qubit experiments in which the state of the qubit is read out directly, without a SQUID magnetometer. The excitation profile has a rich structure depending on the detuning of the tone from the small-signal resonant frequency, on the degree of damping, and on the excitation amplitud"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1109.2490","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":"2026-05-18T02:00:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"aLYUtJZXl3a1I/guVyszPf/ECThTrx9xZLs6Kqa5MP3ZtyLbEZN+Qsc2tjxU4battRINxOY13uzhNga4j5FNDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T01:23:41.011698Z"},"content_sha256":"07f209660a7b308bdf92dfefe775b8133a1233ef0660617bbea1ff5f9e374dd2","schema_version":"1.0","event_id":"sha256:07f209660a7b308bdf92dfefe775b8133a1233ef0660617bbea1ff5f9e374dd2"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/TWHOZTG6BVPO3RW5NPAZB77JMY/bundle.json","state_url":"https://pith.science/pith/TWHOZTG6BVPO3RW5NPAZB77JMY/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/TWHOZTG6BVPO3RW5NPAZB77JMY/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":"2026-05-26T01:23:41Z","links":{"resolver":"https://pith.science/pith/TWHOZTG6BVPO3RW5NPAZB77JMY","bundle":"https://pith.science/pith/TWHOZTG6BVPO3RW5NPAZB77JMY/bundle.json","state":"https://pith.science/pith/TWHOZTG6BVPO3RW5NPAZB77JMY/state.json","well_known_bundle":"https://pith.science/.well-known/pith/TWHOZTG6BVPO3RW5NPAZB77JMY/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:TWHOZTG6BVPO3RW5NPAZB77JMY","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":"827600181098dc23ee95789a1b29a5b25a6caf76e317f95c491e613223a23cb1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2011-09-12T15:05:44Z","title_canon_sha256":"d026d7b9af85b00c156afe1bc9d2667f7b0ccc1456c225a9ddfa8053060af1ee"},"schema_version":"1.0","source":{"id":"1109.2490","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1109.2490","created_at":"2026-05-18T02:00:34Z"},{"alias_kind":"arxiv_version","alias_value":"1109.2490v1","created_at":"2026-05-18T02:00:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1109.2490","created_at":"2026-05-18T02:00:34Z"},{"alias_kind":"pith_short_12","alias_value":"TWHOZTG6BVPO","created_at":"2026-05-18T12:26:42Z"},{"alias_kind":"pith_short_16","alias_value":"TWHOZTG6BVPO3RW5","created_at":"2026-05-18T12:26:42Z"},{"alias_kind":"pith_short_8","alias_value":"TWHOZTG6","created_at":"2026-05-18T12:26:42Z"}],"graph_snapshots":[{"event_id":"sha256:07f209660a7b308bdf92dfefe775b8133a1233ef0660617bbea1ff5f9e374dd2","target":"graph","created_at":"2026-05-18T02:00:34Z","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":"We formulate a model for the steady state response of a nonlinear quantum oscillator structure, such as those used in a variety of superconducting qubit experiments, when excited by a steady, but not necessarily small, ac tone. We show that this model can be derived directly from a circuit description of some recent qubit experiments in which the state of the qubit is read out directly, without a SQUID magnetometer. The excitation profile has a rich structure depending on the detuning of the tone from the small-signal resonant frequency, on the degree of damping, and on the excitation amplitud","authors_text":"David P. DiVincenzo, John A. Smolin","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2011-09-12T15:05:44Z","title":"Nonlinear spectroscopy of superconducting anharmonic resonators"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1109.2490","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:d4e0f674007061d1283dd8a1a3e8424d9f62c589272b233ebfca74416eb37880","target":"record","created_at":"2026-05-18T02:00:34Z","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":"827600181098dc23ee95789a1b29a5b25a6caf76e317f95c491e613223a23cb1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2011-09-12T15:05:44Z","title_canon_sha256":"d026d7b9af85b00c156afe1bc9d2667f7b0ccc1456c225a9ddfa8053060af1ee"},"schema_version":"1.0","source":{"id":"1109.2490","kind":"arxiv","version":1}},"canonical_sha256":"9d8eecccde0d5eedc6dd6bc190ffe966256eee4b6eee37e6dc588fbeb79c4bd6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9d8eecccde0d5eedc6dd6bc190ffe966256eee4b6eee37e6dc588fbeb79c4bd6","first_computed_at":"2026-05-18T02:00:34.390141Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:00:34.390141Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"9QoNuzLTy54D/R40fiuxv0izANjLVkhdfp2dUIyPGQjyCf5EgTlMhNON+oIVbatddKj05vfOK+Dmh+xZPrIBDA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:00:34.390790Z","signed_message":"canonical_sha256_bytes"},"source_id":"1109.2490","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d4e0f674007061d1283dd8a1a3e8424d9f62c589272b233ebfca74416eb37880","sha256:07f209660a7b308bdf92dfefe775b8133a1233ef0660617bbea1ff5f9e374dd2"],"state_sha256":"e55b44b2a0dd18456f6dec531c79f22f5191b97538dcf09cd5740067a6dbba54"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rIT2L8MhFyF1Z3R24njJqK+gDVlED3sJL608Z7eDsAVTPVAvir4a2NhB5+rQ0vtsbz+k184cxnNuOYfB2PDEAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T01:23:41.014640Z","bundle_sha256":"fd52e44c353289d27a93504ad87e4d753583e84bbdee8ebee6298a1dd6f803fd"}}