{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:QATIZ6WIZTA57IOPDFRFMV6I74","short_pith_number":"pith:QATIZ6WI","canonical_record":{"source":{"id":"2606.23952","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2026-06-22T21:27:31Z","cross_cats_sorted":[],"title_canon_sha256":"f4f633dd3c5eabfba74457c2450b99cbe28145db7d55c28510c1393cdf561ea2","abstract_canon_sha256":"34ecb3daf29d88e2f9b719424190efa35e32d1bfb91321ef3dd8137a8c0044f6"},"schema_version":"1.0"},"canonical_sha256":"80268cfac8ccc1dfa1cf19625657c8ff084b42563f5775af941c97fa30598845","source":{"kind":"arxiv","id":"2606.23952","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.23952","created_at":"2026-06-24T00:14:31Z"},{"alias_kind":"arxiv_version","alias_value":"2606.23952v1","created_at":"2026-06-24T00:14:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.23952","created_at":"2026-06-24T00:14:31Z"},{"alias_kind":"pith_short_12","alias_value":"QATIZ6WIZTA5","created_at":"2026-06-24T00:14:31Z"},{"alias_kind":"pith_short_16","alias_value":"QATIZ6WIZTA57IOP","created_at":"2026-06-24T00:14:31Z"},{"alias_kind":"pith_short_8","alias_value":"QATIZ6WI","created_at":"2026-06-24T00:14:31Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:QATIZ6WIZTA57IOPDFRFMV6I74","target":"record","payload":{"canonical_record":{"source":{"id":"2606.23952","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2026-06-22T21:27:31Z","cross_cats_sorted":[],"title_canon_sha256":"f4f633dd3c5eabfba74457c2450b99cbe28145db7d55c28510c1393cdf561ea2","abstract_canon_sha256":"34ecb3daf29d88e2f9b719424190efa35e32d1bfb91321ef3dd8137a8c0044f6"},"schema_version":"1.0"},"canonical_sha256":"80268cfac8ccc1dfa1cf19625657c8ff084b42563f5775af941c97fa30598845","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-24T00:14:31.174554Z","signature_b64":"+HxBfVcmYN/71e9x2+kRWn/3brcU6Ux2rOXcasf/ZdcPhZjYUIQKC3NPEEdErLS9uuu5tlEmzeshldF0HOtwCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"80268cfac8ccc1dfa1cf19625657c8ff084b42563f5775af941c97fa30598845","last_reissued_at":"2026-06-24T00:14:31.174148Z","signature_status":"signed_v1","first_computed_at":"2026-06-24T00:14:31.174148Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2606.23952","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":"2026-06-24T00:14:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kA23MSXhhuCUiQN+fmuzT7AYqN6GDugW/rpVRBQA2A4EeXNo6KjAbehvCJakQfWNqThiCIMgmeeSBiSVPnyfAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T10:28:19.106531Z"},"content_sha256":"6604b4ccf1daa0c431d3704ef4c1cd47feb07f04c1861413b0d1a6892c5808d7","schema_version":"1.0","event_id":"sha256:6604b4ccf1daa0c431d3704ef4c1cd47feb07f04c1861413b0d1a6892c5808d7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:QATIZ6WIZTA57IOPDFRFMV6I74","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Biophysical EPR Using Superconducting Resonators","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Andrew Wiles, Austin R. Gamble Jarvi, David G. Cory, Don Carkner, Hamid R. Mohebbi, Ishit Raval, Jack Erickson, Omari Culzac, Sameh Hegazy, Troy W. Borneman","submitted_at":"2026-06-22T21:27:31Z","abstract_excerpt":"We present innovations that enable the use of superconducting resonators for high sensitivity, high bandwidth pulsed electron paramagnetic resonance (EPR) measurements on biologically relevant samples with enhanced stability and throughput. A custom-built X-band pulsed EPR spectrometer with AWG and digital IF capability generated by an FPGA was used to control a novel patterned thin film planar superconducting microstrip resonator capable of generating Rabi fields sufficient to achieve 6 ns pi/2 Gaussian pulses using a 100 W solid-state HPA. The system allows automated sequential calibration, "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.23952","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/2606.23952/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":"2026-06-24T00:14:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uCFwIYxFEmcJDqVnrjNEGjaTFGodcxuHk11JJ2fiC71QESorXRwRs5qYJ3TmO09jnH26jqixocPEGTXNJC2zDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T10:28:19.107346Z"},"content_sha256":"5195bcadec8296620b7844b7afc897195033e807cc9555b0414065b23d9f3368","schema_version":"1.0","event_id":"sha256:5195bcadec8296620b7844b7afc897195033e807cc9555b0414065b23d9f3368"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QATIZ6WIZTA57IOPDFRFMV6I74/bundle.json","state_url":"https://pith.science/pith/QATIZ6WIZTA57IOPDFRFMV6I74/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QATIZ6WIZTA57IOPDFRFMV6I74/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":"2026-07-05T10:28:19Z","links":{"resolver":"https://pith.science/pith/QATIZ6WIZTA57IOPDFRFMV6I74","bundle":"https://pith.science/pith/QATIZ6WIZTA57IOPDFRFMV6I74/bundle.json","state":"https://pith.science/pith/QATIZ6WIZTA57IOPDFRFMV6I74/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QATIZ6WIZTA57IOPDFRFMV6I74/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:QATIZ6WIZTA57IOPDFRFMV6I74","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":"34ecb3daf29d88e2f9b719424190efa35e32d1bfb91321ef3dd8137a8c0044f6","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2026-06-22T21:27:31Z","title_canon_sha256":"f4f633dd3c5eabfba74457c2450b99cbe28145db7d55c28510c1393cdf561ea2"},"schema_version":"1.0","source":{"id":"2606.23952","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.23952","created_at":"2026-06-24T00:14:31Z"},{"alias_kind":"arxiv_version","alias_value":"2606.23952v1","created_at":"2026-06-24T00:14:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.23952","created_at":"2026-06-24T00:14:31Z"},{"alias_kind":"pith_short_12","alias_value":"QATIZ6WIZTA5","created_at":"2026-06-24T00:14:31Z"},{"alias_kind":"pith_short_16","alias_value":"QATIZ6WIZTA57IOP","created_at":"2026-06-24T00:14:31Z"},{"alias_kind":"pith_short_8","alias_value":"QATIZ6WI","created_at":"2026-06-24T00:14:31Z"}],"graph_snapshots":[{"event_id":"sha256:5195bcadec8296620b7844b7afc897195033e807cc9555b0414065b23d9f3368","target":"graph","created_at":"2026-06-24T00:14:31Z","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/2606.23952/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present innovations that enable the use of superconducting resonators for high sensitivity, high bandwidth pulsed electron paramagnetic resonance (EPR) measurements on biologically relevant samples with enhanced stability and throughput. A custom-built X-band pulsed EPR spectrometer with AWG and digital IF capability generated by an FPGA was used to control a novel patterned thin film planar superconducting microstrip resonator capable of generating Rabi fields sufficient to achieve 6 ns pi/2 Gaussian pulses using a 100 W solid-state HPA. The system allows automated sequential calibration, ","authors_text":"Andrew Wiles, Austin R. Gamble Jarvi, David G. Cory, Don Carkner, Hamid R. Mohebbi, Ishit Raval, Jack Erickson, Omari Culzac, Sameh Hegazy, Troy W. Borneman","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2026-06-22T21:27:31Z","title":"Biophysical EPR Using Superconducting Resonators"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.23952","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":"sha256:6604b4ccf1daa0c431d3704ef4c1cd47feb07f04c1861413b0d1a6892c5808d7","target":"record","created_at":"2026-06-24T00:14:31Z","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":"34ecb3daf29d88e2f9b719424190efa35e32d1bfb91321ef3dd8137a8c0044f6","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2026-06-22T21:27:31Z","title_canon_sha256":"f4f633dd3c5eabfba74457c2450b99cbe28145db7d55c28510c1393cdf561ea2"},"schema_version":"1.0","source":{"id":"2606.23952","kind":"arxiv","version":1}},"canonical_sha256":"80268cfac8ccc1dfa1cf19625657c8ff084b42563f5775af941c97fa30598845","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"80268cfac8ccc1dfa1cf19625657c8ff084b42563f5775af941c97fa30598845","first_computed_at":"2026-06-24T00:14:31.174148Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-24T00:14:31.174148Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"+HxBfVcmYN/71e9x2+kRWn/3brcU6Ux2rOXcasf/ZdcPhZjYUIQKC3NPEEdErLS9uuu5tlEmzeshldF0HOtwCw==","signature_status":"signed_v1","signed_at":"2026-06-24T00:14:31.174554Z","signed_message":"canonical_sha256_bytes"},"source_id":"2606.23952","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6604b4ccf1daa0c431d3704ef4c1cd47feb07f04c1861413b0d1a6892c5808d7","sha256:5195bcadec8296620b7844b7afc897195033e807cc9555b0414065b23d9f3368"],"state_sha256":"d8352ce27d69042f306f0b360819398dbc6323c2638f035c1bbdbd0fcf289c84"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pUWXUnDBsdpjblkfyfHxhyOCg88dZqOOzUqrcXv4U24cHyThY5vz/wWKIF1z6PEANy+X0QzWQ5wGd47qHa6UBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-05T10:28:19.111011Z","bundle_sha256":"2a4c67dd2a5b011a161d20132c3710bd8bc901bbdf11b52d16e780d96557e769"}}