{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:2IFQA4QM3PX7WG7MSQL4MJVZYF","short_pith_number":"pith:2IFQA4QM","canonical_record":{"source":{"id":"1301.5049","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2013-01-22T00:41:39Z","cross_cats_sorted":["cond-mat.dis-nn"],"title_canon_sha256":"af7494bd5f7a7a3c24d1fd69d455a9d937a74f01d7c6e58fe11ab12e5b88c51f","abstract_canon_sha256":"b79a018f645cedac4ec4894e541fffb0dd8df5eb442705d4d52bac87ecc77d28"},"schema_version":"1.0"},"canonical_sha256":"d20b00720cdbeffb1bec9417c626b9c1716aa22ee6f4130806c974e982d85927","source":{"kind":"arxiv","id":"1301.5049","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1301.5049","created_at":"2026-05-18T01:52:04Z"},{"alias_kind":"arxiv_version","alias_value":"1301.5049v1","created_at":"2026-05-18T01:52:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1301.5049","created_at":"2026-05-18T01:52:04Z"},{"alias_kind":"pith_short_12","alias_value":"2IFQA4QM3PX7","created_at":"2026-05-18T12:27:30Z"},{"alias_kind":"pith_short_16","alias_value":"2IFQA4QM3PX7WG7M","created_at":"2026-05-18T12:27:30Z"},{"alias_kind":"pith_short_8","alias_value":"2IFQA4QM","created_at":"2026-05-18T12:27:30Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:2IFQA4QM3PX7WG7MSQL4MJVZYF","target":"record","payload":{"canonical_record":{"source":{"id":"1301.5049","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2013-01-22T00:41:39Z","cross_cats_sorted":["cond-mat.dis-nn"],"title_canon_sha256":"af7494bd5f7a7a3c24d1fd69d455a9d937a74f01d7c6e58fe11ab12e5b88c51f","abstract_canon_sha256":"b79a018f645cedac4ec4894e541fffb0dd8df5eb442705d4d52bac87ecc77d28"},"schema_version":"1.0"},"canonical_sha256":"d20b00720cdbeffb1bec9417c626b9c1716aa22ee6f4130806c974e982d85927","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:52:04.853304Z","signature_b64":"snqBF0VTCiIUGEXsEeGsH2sdmorrPyyBGZXRqLxgLgHW+o+wX1TR2T5GbPndMnIM8Gg4S31Ggu1PluCGMUWHAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d20b00720cdbeffb1bec9417c626b9c1716aa22ee6f4130806c974e982d85927","last_reissued_at":"2026-05-18T01:52:04.852829Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:52:04.852829Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1301.5049","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":"2026-05-18T01:52:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KWaB54bIT+j709u701JDYpDFcYn+mNHRpcDcupCPcvJVC/ZDvoM069OctNJW+6GTZNypReXFz9QqxgIymj17Aw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T15:36:23.849846Z"},"content_sha256":"58559c406bfea760a2442693a059feed2dc9052733a280eed4eb9620e22dbc5d","schema_version":"1.0","event_id":"sha256:58559c406bfea760a2442693a059feed2dc9052733a280eed4eb9620e22dbc5d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:2IFQA4QM3PX7WG7MSQL4MJVZYF","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Slow dynamics of spin pairs in random hyperfine field: Role of inequivalence of electrons and holes in organic magnetoresistance","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.dis-nn"],"primary_cat":"cond-mat.mes-hall","authors_text":"M. E. Raikh, R. C. Roundy","submitted_at":"2013-01-22T00:41:39Z","abstract_excerpt":"In an external magnetic field B, the spins of the electron and hole will precess in effective fields b_e + B and b_h + B, where b_e and b_h are random hyperfine fields acting on the electron and hole, respectively. For sparse \"soft\" pairs the magnitudes of these effective fields coincide. The dynamics of precession for these pairs acquires a slow component, which leads to a slowing down of recombination. We study the effect of soft pairs on organic magnetoresistance, where slow recombination translates into blocking of the passage of current. It appears that when b_e and b_h have identical gau"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1301.5049","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":"2026-05-18T01:52:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ybhd/DdDOtCwrlyoun6VWxhG9FPXNCAEi26zDscAvo6t4hdd5Cn6QuKypCQmsA/tBNLjZVv1rxbMrh5PgCuSDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T15:36:23.850600Z"},"content_sha256":"adf43acd096a456c032deefe9c515c8683b02bab8acc1ebb1e8acaed756c2446","schema_version":"1.0","event_id":"sha256:adf43acd096a456c032deefe9c515c8683b02bab8acc1ebb1e8acaed756c2446"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2IFQA4QM3PX7WG7MSQL4MJVZYF/bundle.json","state_url":"https://pith.science/pith/2IFQA4QM3PX7WG7MSQL4MJVZYF/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2IFQA4QM3PX7WG7MSQL4MJVZYF/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":"2026-06-08T15:36:23Z","links":{"resolver":"https://pith.science/pith/2IFQA4QM3PX7WG7MSQL4MJVZYF","bundle":"https://pith.science/pith/2IFQA4QM3PX7WG7MSQL4MJVZYF/bundle.json","state":"https://pith.science/pith/2IFQA4QM3PX7WG7MSQL4MJVZYF/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2IFQA4QM3PX7WG7MSQL4MJVZYF/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:2IFQA4QM3PX7WG7MSQL4MJVZYF","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":"b79a018f645cedac4ec4894e541fffb0dd8df5eb442705d4d52bac87ecc77d28","cross_cats_sorted":["cond-mat.dis-nn"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2013-01-22T00:41:39Z","title_canon_sha256":"af7494bd5f7a7a3c24d1fd69d455a9d937a74f01d7c6e58fe11ab12e5b88c51f"},"schema_version":"1.0","source":{"id":"1301.5049","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1301.5049","created_at":"2026-05-18T01:52:04Z"},{"alias_kind":"arxiv_version","alias_value":"1301.5049v1","created_at":"2026-05-18T01:52:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1301.5049","created_at":"2026-05-18T01:52:04Z"},{"alias_kind":"pith_short_12","alias_value":"2IFQA4QM3PX7","created_at":"2026-05-18T12:27:30Z"},{"alias_kind":"pith_short_16","alias_value":"2IFQA4QM3PX7WG7M","created_at":"2026-05-18T12:27:30Z"},{"alias_kind":"pith_short_8","alias_value":"2IFQA4QM","created_at":"2026-05-18T12:27:30Z"}],"graph_snapshots":[{"event_id":"sha256:adf43acd096a456c032deefe9c515c8683b02bab8acc1ebb1e8acaed756c2446","target":"graph","created_at":"2026-05-18T01:52:04Z","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":"In an external magnetic field B, the spins of the electron and hole will precess in effective fields b_e + B and b_h + B, where b_e and b_h are random hyperfine fields acting on the electron and hole, respectively. For sparse \"soft\" pairs the magnitudes of these effective fields coincide. The dynamics of precession for these pairs acquires a slow component, which leads to a slowing down of recombination. We study the effect of soft pairs on organic magnetoresistance, where slow recombination translates into blocking of the passage of current. It appears that when b_e and b_h have identical gau","authors_text":"M. E. Raikh, R. C. Roundy","cross_cats":["cond-mat.dis-nn"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2013-01-22T00:41:39Z","title":"Slow dynamics of spin pairs in random hyperfine field: Role of inequivalence of electrons and holes in organic magnetoresistance"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1301.5049","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":"sha256:58559c406bfea760a2442693a059feed2dc9052733a280eed4eb9620e22dbc5d","target":"record","created_at":"2026-05-18T01:52:04Z","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":"b79a018f645cedac4ec4894e541fffb0dd8df5eb442705d4d52bac87ecc77d28","cross_cats_sorted":["cond-mat.dis-nn"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2013-01-22T00:41:39Z","title_canon_sha256":"af7494bd5f7a7a3c24d1fd69d455a9d937a74f01d7c6e58fe11ab12e5b88c51f"},"schema_version":"1.0","source":{"id":"1301.5049","kind":"arxiv","version":1}},"canonical_sha256":"d20b00720cdbeffb1bec9417c626b9c1716aa22ee6f4130806c974e982d85927","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d20b00720cdbeffb1bec9417c626b9c1716aa22ee6f4130806c974e982d85927","first_computed_at":"2026-05-18T01:52:04.852829Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:52:04.852829Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"snqBF0VTCiIUGEXsEeGsH2sdmorrPyyBGZXRqLxgLgHW+o+wX1TR2T5GbPndMnIM8Gg4S31Ggu1PluCGMUWHAA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:52:04.853304Z","signed_message":"canonical_sha256_bytes"},"source_id":"1301.5049","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:58559c406bfea760a2442693a059feed2dc9052733a280eed4eb9620e22dbc5d","sha256:adf43acd096a456c032deefe9c515c8683b02bab8acc1ebb1e8acaed756c2446"],"state_sha256":"364050f53bf5fa3548103db4d5a256a8705e45de9bc48df3355dad644ac64adc"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XB0ziCXAPBQAThS2szs+I+1iPLlzQjfxvwVLtEeCZS3agMw2Yi5woAzBDH18NBv3sjx/RLoXywODP0+tZJTxDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-08T15:36:23.854692Z","bundle_sha256":"43e06e8345082c7fde549d468c5cb3a0fce9713f3c884c9e2615e52bf2c3119a"}}