{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:2RK4ICNCMJWTCZGAT7K4VNI3DW","short_pith_number":"pith:2RK4ICNC","canonical_record":{"source":{"id":"1511.06831","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-11-21T04:06:24Z","cross_cats_sorted":["physics.bio-ph"],"title_canon_sha256":"98d697bfac72ac821cd3e28696a216fbf126df06c69e48849e4f294a4696c483","abstract_canon_sha256":"496a26337f3aed965e4c5a2d54ff04264fa9cc4431437ca6d5e0900656432905"},"schema_version":"1.0"},"canonical_sha256":"d455c409a2626d3164c09fd5cab51b1dbff85714cb5193977de90a1f4f6aebe1","source":{"kind":"arxiv","id":"1511.06831","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1511.06831","created_at":"2026-05-18T01:14:02Z"},{"alias_kind":"arxiv_version","alias_value":"1511.06831v1","created_at":"2026-05-18T01:14:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1511.06831","created_at":"2026-05-18T01:14:02Z"},{"alias_kind":"pith_short_12","alias_value":"2RK4ICNCMJWT","created_at":"2026-05-18T12:29:02Z"},{"alias_kind":"pith_short_16","alias_value":"2RK4ICNCMJWTCZGA","created_at":"2026-05-18T12:29:02Z"},{"alias_kind":"pith_short_8","alias_value":"2RK4ICNC","created_at":"2026-05-18T12:29:02Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:2RK4ICNCMJWTCZGAT7K4VNI3DW","target":"record","payload":{"canonical_record":{"source":{"id":"1511.06831","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-11-21T04:06:24Z","cross_cats_sorted":["physics.bio-ph"],"title_canon_sha256":"98d697bfac72ac821cd3e28696a216fbf126df06c69e48849e4f294a4696c483","abstract_canon_sha256":"496a26337f3aed965e4c5a2d54ff04264fa9cc4431437ca6d5e0900656432905"},"schema_version":"1.0"},"canonical_sha256":"d455c409a2626d3164c09fd5cab51b1dbff85714cb5193977de90a1f4f6aebe1","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:14:02.245190Z","signature_b64":"E8DCQwQsVMJHdEAprgR2j3SvcuPUPfAdKjL5Dw4xMZHqbqju9rwCr1Dz4VDngUDodiq/OqUb5cfKR/sUKj9yDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d455c409a2626d3164c09fd5cab51b1dbff85714cb5193977de90a1f4f6aebe1","last_reissued_at":"2026-05-18T01:14:02.244583Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:14:02.244583Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1511.06831","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":"2026-05-18T01:14:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"oCo/IF+D+Q/HDff3jKrc15MGbqM4szYv8zDdPQYwGusysJ5JIXBgEZdLURodPW+zeQkGdLpG0rH5w4zXhzwnBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-10T05:13:28.330810Z"},"content_sha256":"e26490246a8670f703e5cb9f44b5575c2eb392ad70ffb6a9979b8483ebd4b8ad","schema_version":"1.0","event_id":"sha256:e26490246a8670f703e5cb9f44b5575c2eb392ad70ffb6a9979b8483ebd4b8ad"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:2RK4ICNCMJWTCZGAT7K4VNI3DW","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"NV Center Electron Paramagnetic Resonance of a Single Nanodiamond Attached to an Individual Biomolecule","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.bio-ph"],"primary_cat":"cond-mat.mes-hall","authors_text":"Arfaan Rampersaud, Ezekiel Johnston-Halperin, Isaac Rampersaud, Jeremy Cardellino, Justin A. North, Marek \\v{S}imon, Michael G. Poirier, Nicolas Scozzaro, P. Chris Hammel, Richelle M. Teeling-Smith, Vidya P. Bhallamudi, Young Woo Jung","submitted_at":"2015-11-21T04:06:24Z","abstract_excerpt":"A key limitation of electron paramagnetic resonance (EPR), an established and powerful tool for studying atomic-scale biomolecular structure and dynamics is its poor sensitivity, samples containing in excess of 10^12 labeled biomolecules are required in typical experiments. In contrast, single molecule measurements provide improved insights into heterogeneous behaviors that can be masked by ensemble measurements and are often essential for illuminating the molecular mechanisms behind the function of a biomolecule. We report EPR measurements of a single labeled biomolecule that merge these two "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1511.06831","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":"2026-05-18T01:14:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dgc/2QdgO1P5MK6fqLZtDqA8Q2Wl7G8/fn6itH9bE8P6eVi40y4QMkl9/I6llsbCeYh009mdiartGf1wk+paBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-10T05:13:28.331594Z"},"content_sha256":"07993073743d543254a56f5b89277abc559980b66d4dc1bf0597269fb6432fbb","schema_version":"1.0","event_id":"sha256:07993073743d543254a56f5b89277abc559980b66d4dc1bf0597269fb6432fbb"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2RK4ICNCMJWTCZGAT7K4VNI3DW/bundle.json","state_url":"https://pith.science/pith/2RK4ICNCMJWTCZGAT7K4VNI3DW/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2RK4ICNCMJWTCZGAT7K4VNI3DW/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":"2026-06-10T05:13:28Z","links":{"resolver":"https://pith.science/pith/2RK4ICNCMJWTCZGAT7K4VNI3DW","bundle":"https://pith.science/pith/2RK4ICNCMJWTCZGAT7K4VNI3DW/bundle.json","state":"https://pith.science/pith/2RK4ICNCMJWTCZGAT7K4VNI3DW/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2RK4ICNCMJWTCZGAT7K4VNI3DW/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:2RK4ICNCMJWTCZGAT7K4VNI3DW","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":"496a26337f3aed965e4c5a2d54ff04264fa9cc4431437ca6d5e0900656432905","cross_cats_sorted":["physics.bio-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-11-21T04:06:24Z","title_canon_sha256":"98d697bfac72ac821cd3e28696a216fbf126df06c69e48849e4f294a4696c483"},"schema_version":"1.0","source":{"id":"1511.06831","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1511.06831","created_at":"2026-05-18T01:14:02Z"},{"alias_kind":"arxiv_version","alias_value":"1511.06831v1","created_at":"2026-05-18T01:14:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1511.06831","created_at":"2026-05-18T01:14:02Z"},{"alias_kind":"pith_short_12","alias_value":"2RK4ICNCMJWT","created_at":"2026-05-18T12:29:02Z"},{"alias_kind":"pith_short_16","alias_value":"2RK4ICNCMJWTCZGA","created_at":"2026-05-18T12:29:02Z"},{"alias_kind":"pith_short_8","alias_value":"2RK4ICNC","created_at":"2026-05-18T12:29:02Z"}],"graph_snapshots":[{"event_id":"sha256:07993073743d543254a56f5b89277abc559980b66d4dc1bf0597269fb6432fbb","target":"graph","created_at":"2026-05-18T01:14:02Z","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 key limitation of electron paramagnetic resonance (EPR), an established and powerful tool for studying atomic-scale biomolecular structure and dynamics is its poor sensitivity, samples containing in excess of 10^12 labeled biomolecules are required in typical experiments. In contrast, single molecule measurements provide improved insights into heterogeneous behaviors that can be masked by ensemble measurements and are often essential for illuminating the molecular mechanisms behind the function of a biomolecule. We report EPR measurements of a single labeled biomolecule that merge these two ","authors_text":"Arfaan Rampersaud, Ezekiel Johnston-Halperin, Isaac Rampersaud, Jeremy Cardellino, Justin A. North, Marek \\v{S}imon, Michael G. Poirier, Nicolas Scozzaro, P. Chris Hammel, Richelle M. Teeling-Smith, Vidya P. Bhallamudi, Young Woo Jung","cross_cats":["physics.bio-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-11-21T04:06:24Z","title":"NV Center Electron Paramagnetic Resonance of a Single Nanodiamond Attached to an Individual Biomolecule"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1511.06831","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:e26490246a8670f703e5cb9f44b5575c2eb392ad70ffb6a9979b8483ebd4b8ad","target":"record","created_at":"2026-05-18T01:14:02Z","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":"496a26337f3aed965e4c5a2d54ff04264fa9cc4431437ca6d5e0900656432905","cross_cats_sorted":["physics.bio-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-11-21T04:06:24Z","title_canon_sha256":"98d697bfac72ac821cd3e28696a216fbf126df06c69e48849e4f294a4696c483"},"schema_version":"1.0","source":{"id":"1511.06831","kind":"arxiv","version":1}},"canonical_sha256":"d455c409a2626d3164c09fd5cab51b1dbff85714cb5193977de90a1f4f6aebe1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d455c409a2626d3164c09fd5cab51b1dbff85714cb5193977de90a1f4f6aebe1","first_computed_at":"2026-05-18T01:14:02.244583Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:14:02.244583Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"E8DCQwQsVMJHdEAprgR2j3SvcuPUPfAdKjL5Dw4xMZHqbqju9rwCr1Dz4VDngUDodiq/OqUb5cfKR/sUKj9yDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:14:02.245190Z","signed_message":"canonical_sha256_bytes"},"source_id":"1511.06831","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e26490246a8670f703e5cb9f44b5575c2eb392ad70ffb6a9979b8483ebd4b8ad","sha256:07993073743d543254a56f5b89277abc559980b66d4dc1bf0597269fb6432fbb"],"state_sha256":"20e43ae1a6652355fffdcc887947405bd143a8fe64ed02fcbea970ef28392ebd"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"f6WERX9/Wc2Y1J3MBNND+m3n2skAihhf+AAgBS3ck6phejSmd5Gjo0g04rsSPZotBVworL0O6jQ7zGcUDCYtDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-10T05:13:28.335896Z","bundle_sha256":"926c379547437bafdf312abbd3ce6ab025357d5dda23e6654abaa2358ab4b9e5"}}