{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:QYG3CVOQ4V5QYMU2YSRHYK3PZD","short_pith_number":"pith:QYG3CVOQ","canonical_record":{"source":{"id":"1305.2366","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2013-05-10T15:28:16Z","cross_cats_sorted":["cond-mat.str-el"],"title_canon_sha256":"4f105d042aee8a6f29965860d7d1965f4f5c8128d1334bfe64187f6f9562a444","abstract_canon_sha256":"7298021e6ffc12baef757bced02c880e41ff9144d34253dd71286596d7b5b180"},"schema_version":"1.0"},"canonical_sha256":"860db155d0e57b0c329ac4a27c2b6fc8e9173d06000fef41e4472bc7c0de1206","source":{"kind":"arxiv","id":"1305.2366","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1305.2366","created_at":"2026-05-18T03:24:41Z"},{"alias_kind":"arxiv_version","alias_value":"1305.2366v1","created_at":"2026-05-18T03:24:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1305.2366","created_at":"2026-05-18T03:24:41Z"},{"alias_kind":"pith_short_12","alias_value":"QYG3CVOQ4V5Q","created_at":"2026-05-18T12:27:57Z"},{"alias_kind":"pith_short_16","alias_value":"QYG3CVOQ4V5QYMU2","created_at":"2026-05-18T12:27:57Z"},{"alias_kind":"pith_short_8","alias_value":"QYG3CVOQ","created_at":"2026-05-18T12:27:57Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:QYG3CVOQ4V5QYMU2YSRHYK3PZD","target":"record","payload":{"canonical_record":{"source":{"id":"1305.2366","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2013-05-10T15:28:16Z","cross_cats_sorted":["cond-mat.str-el"],"title_canon_sha256":"4f105d042aee8a6f29965860d7d1965f4f5c8128d1334bfe64187f6f9562a444","abstract_canon_sha256":"7298021e6ffc12baef757bced02c880e41ff9144d34253dd71286596d7b5b180"},"schema_version":"1.0"},"canonical_sha256":"860db155d0e57b0c329ac4a27c2b6fc8e9173d06000fef41e4472bc7c0de1206","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:24:41.121948Z","signature_b64":"G+3UjsYHaUE+vkVQHqiHeHxtr1lbtk4WeFUH/QwBY5xR9VfnjwINbGn7lAzOPizYP7IvYXyhVhyNznUOeO8PBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"860db155d0e57b0c329ac4a27c2b6fc8e9173d06000fef41e4472bc7c0de1206","last_reissued_at":"2026-05-18T03:24:41.121396Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:24:41.121396Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1305.2366","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":"2026-05-18T03:24:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rHMYcrC/B7qmZjYWWP10zE33UCW8NDDK6vwDD104VNRtaV18didlklCwx01grSe8Eyk7xWlFJXutxtzMYfgzCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T20:12:41.925059Z"},"content_sha256":"440abb3bb25ba59656d2de326fdad533ab17602aa64adda026af6f9ef161837d","schema_version":"1.0","event_id":"sha256:440abb3bb25ba59656d2de326fdad533ab17602aa64adda026af6f9ef161837d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:QYG3CVOQ4V5QYMU2YSRHYK3PZD","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Observation of conduction electron spin resonance in boron doped diamond","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.str-el"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"B\\'alint N\\'afr\\'adi, Christopher B\\\"auerle, Ferenc Simon, G\\'abor F\\'abi\\'an, J\\'anos Koltai, L\\'aszl\\'o Forr\\'o, Oliver A. Williams, P\\'eter Szirmai, Soumen Mandal, Thomas Pichler","submitted_at":"2013-05-10T15:28:16Z","abstract_excerpt":"We observe the electron spin resonance of conduction electrons in boron doped (6400 ppm) superconducting diamond (Tc =3.8 K). We clearly identify the benchmarks of conduction electron spin resonance (CESR): the nearly temperature independent ESR signal intensity and its magnitude which is in good agreement with that expected from the density of states through the Pauli spin-susceptibility. The temperature dependent CESR linewidth weakly increases with increasing temperature which can be understood in the framework of the Elliott-Yafet theory of spin-relaxation. An anomalous and yet unexplained"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1305.2366","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":"2026-05-18T03:24:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5uVTQ8uJd8Sv8knF2n4zS+znPdSZaQ+JZ7ApR9QTKqoVY+v6rnyMnzpYMeYC0kJcrLBIph2xC1tweEn/aV/mAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T20:12:41.925929Z"},"content_sha256":"f924f066d61381ebf5e19c3d12194d85739e2e8d63de83d469f5d7a69388fb54","schema_version":"1.0","event_id":"sha256:f924f066d61381ebf5e19c3d12194d85739e2e8d63de83d469f5d7a69388fb54"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QYG3CVOQ4V5QYMU2YSRHYK3PZD/bundle.json","state_url":"https://pith.science/pith/QYG3CVOQ4V5QYMU2YSRHYK3PZD/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QYG3CVOQ4V5QYMU2YSRHYK3PZD/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":"2026-06-05T20:12:41Z","links":{"resolver":"https://pith.science/pith/QYG3CVOQ4V5QYMU2YSRHYK3PZD","bundle":"https://pith.science/pith/QYG3CVOQ4V5QYMU2YSRHYK3PZD/bundle.json","state":"https://pith.science/pith/QYG3CVOQ4V5QYMU2YSRHYK3PZD/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QYG3CVOQ4V5QYMU2YSRHYK3PZD/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:QYG3CVOQ4V5QYMU2YSRHYK3PZD","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":"7298021e6ffc12baef757bced02c880e41ff9144d34253dd71286596d7b5b180","cross_cats_sorted":["cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2013-05-10T15:28:16Z","title_canon_sha256":"4f105d042aee8a6f29965860d7d1965f4f5c8128d1334bfe64187f6f9562a444"},"schema_version":"1.0","source":{"id":"1305.2366","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1305.2366","created_at":"2026-05-18T03:24:41Z"},{"alias_kind":"arxiv_version","alias_value":"1305.2366v1","created_at":"2026-05-18T03:24:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1305.2366","created_at":"2026-05-18T03:24:41Z"},{"alias_kind":"pith_short_12","alias_value":"QYG3CVOQ4V5Q","created_at":"2026-05-18T12:27:57Z"},{"alias_kind":"pith_short_16","alias_value":"QYG3CVOQ4V5QYMU2","created_at":"2026-05-18T12:27:57Z"},{"alias_kind":"pith_short_8","alias_value":"QYG3CVOQ","created_at":"2026-05-18T12:27:57Z"}],"graph_snapshots":[{"event_id":"sha256:f924f066d61381ebf5e19c3d12194d85739e2e8d63de83d469f5d7a69388fb54","target":"graph","created_at":"2026-05-18T03:24:41Z","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 observe the electron spin resonance of conduction electrons in boron doped (6400 ppm) superconducting diamond (Tc =3.8 K). We clearly identify the benchmarks of conduction electron spin resonance (CESR): the nearly temperature independent ESR signal intensity and its magnitude which is in good agreement with that expected from the density of states through the Pauli spin-susceptibility. The temperature dependent CESR linewidth weakly increases with increasing temperature which can be understood in the framework of the Elliott-Yafet theory of spin-relaxation. An anomalous and yet unexplained","authors_text":"B\\'alint N\\'afr\\'adi, Christopher B\\\"auerle, Ferenc Simon, G\\'abor F\\'abi\\'an, J\\'anos Koltai, L\\'aszl\\'o Forr\\'o, Oliver A. Williams, P\\'eter Szirmai, Soumen Mandal, Thomas Pichler","cross_cats":["cond-mat.str-el"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2013-05-10T15:28:16Z","title":"Observation of conduction electron spin resonance in boron doped diamond"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1305.2366","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":"sha256:440abb3bb25ba59656d2de326fdad533ab17602aa64adda026af6f9ef161837d","target":"record","created_at":"2026-05-18T03:24:41Z","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":"7298021e6ffc12baef757bced02c880e41ff9144d34253dd71286596d7b5b180","cross_cats_sorted":["cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2013-05-10T15:28:16Z","title_canon_sha256":"4f105d042aee8a6f29965860d7d1965f4f5c8128d1334bfe64187f6f9562a444"},"schema_version":"1.0","source":{"id":"1305.2366","kind":"arxiv","version":1}},"canonical_sha256":"860db155d0e57b0c329ac4a27c2b6fc8e9173d06000fef41e4472bc7c0de1206","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"860db155d0e57b0c329ac4a27c2b6fc8e9173d06000fef41e4472bc7c0de1206","first_computed_at":"2026-05-18T03:24:41.121396Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:24:41.121396Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"G+3UjsYHaUE+vkVQHqiHeHxtr1lbtk4WeFUH/QwBY5xR9VfnjwINbGn7lAzOPizYP7IvYXyhVhyNznUOeO8PBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T03:24:41.121948Z","signed_message":"canonical_sha256_bytes"},"source_id":"1305.2366","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:440abb3bb25ba59656d2de326fdad533ab17602aa64adda026af6f9ef161837d","sha256:f924f066d61381ebf5e19c3d12194d85739e2e8d63de83d469f5d7a69388fb54"],"state_sha256":"a091928f58cc130e69da6ed378fff99bd808486cbf241b98f3786a02f72d1979"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"s6aUr3oXSAcvFAouYLRapcK5rrcaH+PsgXpRq7Qt4E2XPetziG5eyIocWHw0n+l62JoNe4KDijHDgxl8l2JMCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-05T20:12:41.930223Z","bundle_sha256":"8cd1ed5ef0053c26724d85c98f5b37b356d3842a18be514f2c056d8613e3e117"}}