{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2003:NJXJIVTMOKGYACA23K6UCWO3XX","short_pith_number":"pith:NJXJIVTM","canonical_record":{"source":{"id":"cond-mat/0307557","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"cond-mat.soft","submitted_at":"2003-07-23T04:22:24Z","cross_cats_sorted":["cond-mat.mtrl-sci","q-bio"],"title_canon_sha256":"efd5d0e2a5f117ef549c4d546bf6b0d9102f8d5da002e686d373e3b9f5ee7337","abstract_canon_sha256":"48106c0c9a38ac421776d72d6bda2c5b5512f01c46e1253c4387bad06f55c952"},"schema_version":"1.0"},"canonical_sha256":"6a6e94566c728d80081adabd4159dbbde67d2d3b3f55e6cb7ab5923a336b522f","source":{"kind":"arxiv","id":"cond-mat/0307557","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/0307557","created_at":"2026-07-04T14:20:15Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/0307557v1","created_at":"2026-07-04T14:20:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/0307557","created_at":"2026-07-04T14:20:15Z"},{"alias_kind":"pith_short_12","alias_value":"NJXJIVTMOKGY","created_at":"2026-07-04T14:20:15Z"},{"alias_kind":"pith_short_16","alias_value":"NJXJIVTMOKGYACA2","created_at":"2026-07-04T14:20:15Z"},{"alias_kind":"pith_short_8","alias_value":"NJXJIVTM","created_at":"2026-07-04T14:20:15Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2003:NJXJIVTMOKGYACA23K6UCWO3XX","target":"record","payload":{"canonical_record":{"source":{"id":"cond-mat/0307557","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"cond-mat.soft","submitted_at":"2003-07-23T04:22:24Z","cross_cats_sorted":["cond-mat.mtrl-sci","q-bio"],"title_canon_sha256":"efd5d0e2a5f117ef549c4d546bf6b0d9102f8d5da002e686d373e3b9f5ee7337","abstract_canon_sha256":"48106c0c9a38ac421776d72d6bda2c5b5512f01c46e1253c4387bad06f55c952"},"schema_version":"1.0"},"canonical_sha256":"6a6e94566c728d80081adabd4159dbbde67d2d3b3f55e6cb7ab5923a336b522f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T14:20:15.765596Z","signature_b64":"0XX7CPN8Peh1FzvlvF4G1ExnP52dTYmVYYsW+Fp3K0ZX3Q7tKIXf2v4L6OEqd+/O1XNy2ss44bamqtIkv9qtCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6a6e94566c728d80081adabd4159dbbde67d2d3b3f55e6cb7ab5923a336b522f","last_reissued_at":"2026-07-04T14:20:15.764168Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T14:20:15.764168Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"cond-mat/0307557","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":"2026-07-04T14:20:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zfunnR614UAsvLIEPFD4lYS3ubr1HNAfbduNbSuuz5uzaFFN6Hc4HnHFRyjR+n64GKVb+B6H824nEZlxDz8eDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T15:58:15.606400Z"},"content_sha256":"4b5f4ec9aff47094510987789cf995d41f4a53904f5d4dfb2e53854be56b63a1","schema_version":"1.0","event_id":"sha256:4b5f4ec9aff47094510987789cf995d41f4a53904f5d4dfb2e53854be56b63a1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2003:NJXJIVTMOKGYACA23K6UCWO3XX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Far Infrared Sensing Of The Oxidation State Of Heme Proteins","license":"","headline":"","cross_cats":["cond-mat.mtrl-sci","q-bio"],"primary_cat":"cond-mat.soft","authors_text":"A. G. Markelz, J. Cerne, J.-Y. Chen","submitted_at":"2003-07-23T04:22:24Z","abstract_excerpt":"We propose a biosensor based on the change of terahertz (THz) dielectric response when a biotarget binds to a probe. The feasibility of this biosensor is examined by studying the change of THz transmission for thin films of heme proteins myoglobin (Mb) and cytochrome C (CytC) as a function oxygen binding. We measure a strong increase in both the index and absorbance with oxygen binding for both Mb and CytC. The measured changes occur for both dried and samples hydrated at 80% r.h. suggesting that using terahertz time domain spectroscopy (TTDS) to monitor the transmitted terahertz pulse through"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/0307557","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/cond-mat/0307557/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":"2026-07-04T14:20:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"U72fpeYcD28RtL3FckDCwj5n1sIYM1yBWEp4sfnPGYyrvGNdEYG11xtcGrp3f+/rPxlO8FARMTghs23JMUlmDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T15:58:15.606982Z"},"content_sha256":"f94fcc7ed171ba1eef1b3ff0f80d72ac23e393ac124097edf33a7a5aad62f797","schema_version":"1.0","event_id":"sha256:f94fcc7ed171ba1eef1b3ff0f80d72ac23e393ac124097edf33a7a5aad62f797"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/NJXJIVTMOKGYACA23K6UCWO3XX/bundle.json","state_url":"https://pith.science/pith/NJXJIVTMOKGYACA23K6UCWO3XX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/NJXJIVTMOKGYACA23K6UCWO3XX/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":"2026-08-06T15:58:15Z","links":{"resolver":"https://pith.science/pith/NJXJIVTMOKGYACA23K6UCWO3XX","bundle":"https://pith.science/pith/NJXJIVTMOKGYACA23K6UCWO3XX/bundle.json","state":"https://pith.science/pith/NJXJIVTMOKGYACA23K6UCWO3XX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/NJXJIVTMOKGYACA23K6UCWO3XX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2003:NJXJIVTMOKGYACA23K6UCWO3XX","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":"48106c0c9a38ac421776d72d6bda2c5b5512f01c46e1253c4387bad06f55c952","cross_cats_sorted":["cond-mat.mtrl-sci","q-bio"],"license":"","primary_cat":"cond-mat.soft","submitted_at":"2003-07-23T04:22:24Z","title_canon_sha256":"efd5d0e2a5f117ef549c4d546bf6b0d9102f8d5da002e686d373e3b9f5ee7337"},"schema_version":"1.0","source":{"id":"cond-mat/0307557","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/0307557","created_at":"2026-07-04T14:20:15Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/0307557v1","created_at":"2026-07-04T14:20:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/0307557","created_at":"2026-07-04T14:20:15Z"},{"alias_kind":"pith_short_12","alias_value":"NJXJIVTMOKGY","created_at":"2026-07-04T14:20:15Z"},{"alias_kind":"pith_short_16","alias_value":"NJXJIVTMOKGYACA2","created_at":"2026-07-04T14:20:15Z"},{"alias_kind":"pith_short_8","alias_value":"NJXJIVTM","created_at":"2026-07-04T14:20:15Z"}],"graph_snapshots":[{"event_id":"sha256:f94fcc7ed171ba1eef1b3ff0f80d72ac23e393ac124097edf33a7a5aad62f797","target":"graph","created_at":"2026-07-04T14:20:15Z","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/cond-mat/0307557/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We propose a biosensor based on the change of terahertz (THz) dielectric response when a biotarget binds to a probe. The feasibility of this biosensor is examined by studying the change of THz transmission for thin films of heme proteins myoglobin (Mb) and cytochrome C (CytC) as a function oxygen binding. We measure a strong increase in both the index and absorbance with oxygen binding for both Mb and CytC. The measured changes occur for both dried and samples hydrated at 80% r.h. suggesting that using terahertz time domain spectroscopy (TTDS) to monitor the transmitted terahertz pulse through","authors_text":"A. G. Markelz, J. Cerne, J.-Y. Chen","cross_cats":["cond-mat.mtrl-sci","q-bio"],"headline":"","license":"","primary_cat":"cond-mat.soft","submitted_at":"2003-07-23T04:22:24Z","title":"Far Infrared Sensing Of The Oxidation State Of Heme Proteins"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/0307557","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":"sha256:4b5f4ec9aff47094510987789cf995d41f4a53904f5d4dfb2e53854be56b63a1","target":"record","created_at":"2026-07-04T14:20:15Z","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":"48106c0c9a38ac421776d72d6bda2c5b5512f01c46e1253c4387bad06f55c952","cross_cats_sorted":["cond-mat.mtrl-sci","q-bio"],"license":"","primary_cat":"cond-mat.soft","submitted_at":"2003-07-23T04:22:24Z","title_canon_sha256":"efd5d0e2a5f117ef549c4d546bf6b0d9102f8d5da002e686d373e3b9f5ee7337"},"schema_version":"1.0","source":{"id":"cond-mat/0307557","kind":"arxiv","version":1}},"canonical_sha256":"6a6e94566c728d80081adabd4159dbbde67d2d3b3f55e6cb7ab5923a336b522f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6a6e94566c728d80081adabd4159dbbde67d2d3b3f55e6cb7ab5923a336b522f","first_computed_at":"2026-07-04T14:20:15.764168Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T14:20:15.764168Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"0XX7CPN8Peh1FzvlvF4G1ExnP52dTYmVYYsW+Fp3K0ZX3Q7tKIXf2v4L6OEqd+/O1XNy2ss44bamqtIkv9qtCA==","signature_status":"signed_v1","signed_at":"2026-07-04T14:20:15.765596Z","signed_message":"canonical_sha256_bytes"},"source_id":"cond-mat/0307557","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4b5f4ec9aff47094510987789cf995d41f4a53904f5d4dfb2e53854be56b63a1","sha256:f94fcc7ed171ba1eef1b3ff0f80d72ac23e393ac124097edf33a7a5aad62f797"],"state_sha256":"0546a5f9996adef0f4892509009b3a214442e334cc6174a92ee142819dceab1e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Wmsax4VtPDHllnvUi3/AW+1hHMb2X2DM7UNsVA/ozEYrXZN02nu9HTE3w0sfX+N3aTejih8Rup4Mjpq6p+bRDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-06T15:58:15.615348Z","bundle_sha256":"1cacaf0cc52d46bdda1b5971afce4c7f90370cd1b0368f54d93ceecc3a3c7b5c"}}