{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:LRWKXLUV4CRBD6OHCA77QEBIUB","short_pith_number":"pith:LRWKXLUV","canonical_record":{"source":{"id":"1411.2740","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2014-11-11T09:34:14Z","cross_cats_sorted":[],"title_canon_sha256":"7cc99aacc41998977dc8953943cfd347fcd039cc11275659e3ccc93d0b63a7e3","abstract_canon_sha256":"ca1466090d1a8e2af495c401821608b65f5b7cbcaefe58e2df1bf2e882e85260"},"schema_version":"1.0"},"canonical_sha256":"5c6cabae95e0a211f9c7103ff81028a0464fdb784b8f6c8c988f7dd34f552e57","source":{"kind":"arxiv","id":"1411.2740","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1411.2740","created_at":"2026-05-18T02:37:53Z"},{"alias_kind":"arxiv_version","alias_value":"1411.2740v1","created_at":"2026-05-18T02:37:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1411.2740","created_at":"2026-05-18T02:37:53Z"},{"alias_kind":"pith_short_12","alias_value":"LRWKXLUV4CRB","created_at":"2026-05-18T12:28:38Z"},{"alias_kind":"pith_short_16","alias_value":"LRWKXLUV4CRBD6OH","created_at":"2026-05-18T12:28:38Z"},{"alias_kind":"pith_short_8","alias_value":"LRWKXLUV","created_at":"2026-05-18T12:28:38Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:LRWKXLUV4CRBD6OHCA77QEBIUB","target":"record","payload":{"canonical_record":{"source":{"id":"1411.2740","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2014-11-11T09:34:14Z","cross_cats_sorted":[],"title_canon_sha256":"7cc99aacc41998977dc8953943cfd347fcd039cc11275659e3ccc93d0b63a7e3","abstract_canon_sha256":"ca1466090d1a8e2af495c401821608b65f5b7cbcaefe58e2df1bf2e882e85260"},"schema_version":"1.0"},"canonical_sha256":"5c6cabae95e0a211f9c7103ff81028a0464fdb784b8f6c8c988f7dd34f552e57","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:37:53.177190Z","signature_b64":"6vGinECjLeUEMuZyQ06uu7C62gZU+Bi0w8zjmSFM6xIsi2RRsZYQfAGy9LNAj8DSlWEjGcgyQchZDXJ6oPK+Dw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5c6cabae95e0a211f9c7103ff81028a0464fdb784b8f6c8c988f7dd34f552e57","last_reissued_at":"2026-05-18T02:37:53.176529Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:37:53.176529Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1411.2740","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":"2026-05-18T02:37:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"F+UnhMTWtUDeATb4eK0zqpgKi2yYL1EkcjceSh0M3L9hxWqlNLMhIOoqY+VqagiDy6tqIMFyMGKLMzmSSvRICg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-25T01:13:41.116416Z"},"content_sha256":"99919f21d916927553e62083cb7de41e821c392aac11c88aa8fbfc7b52e0eaf7","schema_version":"1.0","event_id":"sha256:99919f21d916927553e62083cb7de41e821c392aac11c88aa8fbfc7b52e0eaf7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:LRWKXLUV4CRBD6OHCA77QEBIUB","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Spin Relaxation Mechanism in a Highly Doped Organic Polymer Film","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Daisuke Nozaki, Hiroyuki Tajima, Motoi Kimata, Yasuhiro Niimi, Yoshichika Otani","submitted_at":"2014-11-11T09:34:14Z","abstract_excerpt":"We report the systematic studies of spin current transport and relaxation mechanism in highly doped organic polymer film. In this study, we have determined spin diffusion length (SDL), spin lifetime, and spin diffusion constant by using different experimental techniques. The spin lifetime estimated from the electron paramagnetic resonance experiment is much shorter than the previous expectation beyond the experimental ambiguity. This suggests that significantly large spin diffusion constant, which is reasonably explained by the hopping transport mechanism in degenerate semiconductors, exists i"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1411.2740","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":"2026-05-18T02:37:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ehgSKIbBpIE+IsES1dht/IOVlmluo2iqAEe0Kjf28Uxw+XeDeB3Tmc1T3HnTWtceIOHKGlSaqGwEX5YDz6HkBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-25T01:13:41.116760Z"},"content_sha256":"c81a19cfebd5d24e86cce337b63f0cd3c4bb02621714d65b155ba8c93daf1bc7","schema_version":"1.0","event_id":"sha256:c81a19cfebd5d24e86cce337b63f0cd3c4bb02621714d65b155ba8c93daf1bc7"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LRWKXLUV4CRBD6OHCA77QEBIUB/bundle.json","state_url":"https://pith.science/pith/LRWKXLUV4CRBD6OHCA77QEBIUB/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LRWKXLUV4CRBD6OHCA77QEBIUB/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":"2026-06-25T01:13:41Z","links":{"resolver":"https://pith.science/pith/LRWKXLUV4CRBD6OHCA77QEBIUB","bundle":"https://pith.science/pith/LRWKXLUV4CRBD6OHCA77QEBIUB/bundle.json","state":"https://pith.science/pith/LRWKXLUV4CRBD6OHCA77QEBIUB/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LRWKXLUV4CRBD6OHCA77QEBIUB/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:LRWKXLUV4CRBD6OHCA77QEBIUB","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":"ca1466090d1a8e2af495c401821608b65f5b7cbcaefe58e2df1bf2e882e85260","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2014-11-11T09:34:14Z","title_canon_sha256":"7cc99aacc41998977dc8953943cfd347fcd039cc11275659e3ccc93d0b63a7e3"},"schema_version":"1.0","source":{"id":"1411.2740","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1411.2740","created_at":"2026-05-18T02:37:53Z"},{"alias_kind":"arxiv_version","alias_value":"1411.2740v1","created_at":"2026-05-18T02:37:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1411.2740","created_at":"2026-05-18T02:37:53Z"},{"alias_kind":"pith_short_12","alias_value":"LRWKXLUV4CRB","created_at":"2026-05-18T12:28:38Z"},{"alias_kind":"pith_short_16","alias_value":"LRWKXLUV4CRBD6OH","created_at":"2026-05-18T12:28:38Z"},{"alias_kind":"pith_short_8","alias_value":"LRWKXLUV","created_at":"2026-05-18T12:28:38Z"}],"graph_snapshots":[{"event_id":"sha256:c81a19cfebd5d24e86cce337b63f0cd3c4bb02621714d65b155ba8c93daf1bc7","target":"graph","created_at":"2026-05-18T02:37:53Z","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 report the systematic studies of spin current transport and relaxation mechanism in highly doped organic polymer film. In this study, we have determined spin diffusion length (SDL), spin lifetime, and spin diffusion constant by using different experimental techniques. The spin lifetime estimated from the electron paramagnetic resonance experiment is much shorter than the previous expectation beyond the experimental ambiguity. This suggests that significantly large spin diffusion constant, which is reasonably explained by the hopping transport mechanism in degenerate semiconductors, exists i","authors_text":"Daisuke Nozaki, Hiroyuki Tajima, Motoi Kimata, Yasuhiro Niimi, Yoshichika Otani","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2014-11-11T09:34:14Z","title":"Spin Relaxation Mechanism in a Highly Doped Organic Polymer Film"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1411.2740","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":"sha256:99919f21d916927553e62083cb7de41e821c392aac11c88aa8fbfc7b52e0eaf7","target":"record","created_at":"2026-05-18T02:37:53Z","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":"ca1466090d1a8e2af495c401821608b65f5b7cbcaefe58e2df1bf2e882e85260","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2014-11-11T09:34:14Z","title_canon_sha256":"7cc99aacc41998977dc8953943cfd347fcd039cc11275659e3ccc93d0b63a7e3"},"schema_version":"1.0","source":{"id":"1411.2740","kind":"arxiv","version":1}},"canonical_sha256":"5c6cabae95e0a211f9c7103ff81028a0464fdb784b8f6c8c988f7dd34f552e57","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5c6cabae95e0a211f9c7103ff81028a0464fdb784b8f6c8c988f7dd34f552e57","first_computed_at":"2026-05-18T02:37:53.176529Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:37:53.176529Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"6vGinECjLeUEMuZyQ06uu7C62gZU+Bi0w8zjmSFM6xIsi2RRsZYQfAGy9LNAj8DSlWEjGcgyQchZDXJ6oPK+Dw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:37:53.177190Z","signed_message":"canonical_sha256_bytes"},"source_id":"1411.2740","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:99919f21d916927553e62083cb7de41e821c392aac11c88aa8fbfc7b52e0eaf7","sha256:c81a19cfebd5d24e86cce337b63f0cd3c4bb02621714d65b155ba8c93daf1bc7"],"state_sha256":"261369bb4735b24b952dcd8c727ca84626b8d91ff8ad422cc6c2bcee229b998b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"H2Te6wuk4LwRCUMd1AXVvwDOVIoYtOcAPFyk2WNrhsUmTvc8aMe17jiFgAnIWLnE8XnR3WL5yc43UFt3iG24Aw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-25T01:13:41.118648Z","bundle_sha256":"cab177f38bb90137bfe9fb876acaf1f19228396adbf582d2d1d52e955a76d909"}}