{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:5YRSZSZKRSE6RZ2WAWO46ZAIK4","short_pith_number":"pith:5YRSZSZK","canonical_record":{"source":{"id":"1207.4444","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2012-07-18T19:02:07Z","cross_cats_sorted":[],"title_canon_sha256":"39ffe43a3818c90b5d516686f290cc11a050903600e2cc6e502db5e7a5227107","abstract_canon_sha256":"10a9be1a566cb638654e92fb95cf3c473364fb5696cf82e346454feaef35fbf8"},"schema_version":"1.0"},"canonical_sha256":"ee232ccb2a8c89e8e756059dcf6408572fa2173ff47da54c6328af0a0c2e2f0b","source":{"kind":"arxiv","id":"1207.4444","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1207.4444","created_at":"2026-05-18T03:16:27Z"},{"alias_kind":"arxiv_version","alias_value":"1207.4444v1","created_at":"2026-05-18T03:16:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1207.4444","created_at":"2026-05-18T03:16:27Z"},{"alias_kind":"pith_short_12","alias_value":"5YRSZSZKRSE6","created_at":"2026-05-18T12:26:56Z"},{"alias_kind":"pith_short_16","alias_value":"5YRSZSZKRSE6RZ2W","created_at":"2026-05-18T12:26:56Z"},{"alias_kind":"pith_short_8","alias_value":"5YRSZSZK","created_at":"2026-05-18T12:26:56Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:5YRSZSZKRSE6RZ2WAWO46ZAIK4","target":"record","payload":{"canonical_record":{"source":{"id":"1207.4444","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2012-07-18T19:02:07Z","cross_cats_sorted":[],"title_canon_sha256":"39ffe43a3818c90b5d516686f290cc11a050903600e2cc6e502db5e7a5227107","abstract_canon_sha256":"10a9be1a566cb638654e92fb95cf3c473364fb5696cf82e346454feaef35fbf8"},"schema_version":"1.0"},"canonical_sha256":"ee232ccb2a8c89e8e756059dcf6408572fa2173ff47da54c6328af0a0c2e2f0b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:16:27.257696Z","signature_b64":"16MrAG0RW7mIVmRPNsf+Yhy/ZAlK2x+EveFf8KE2K8abTD2pkyI3XYPbGbDFgJPRycpaphuJNtJeoJsCbizjDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ee232ccb2a8c89e8e756059dcf6408572fa2173ff47da54c6328af0a0c2e2f0b","last_reissued_at":"2026-05-18T03:16:27.257214Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:16:27.257214Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1207.4444","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":"2026-05-18T03:16:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pRE7k2JjhrsD1kyodIuspiQu+Q5OX49a8Pem2d543M3dcWrvrsf1hgDtonTTn/1xPKQHUqmpQo7mbFbHe1T6BQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T04:03:01.549751Z"},"content_sha256":"71541c0322c3e0422195a05d98e046f10b5060ea111dd398127b92db59eb6fcb","schema_version":"1.0","event_id":"sha256:71541c0322c3e0422195a05d98e046f10b5060ea111dd398127b92db59eb6fcb"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:5YRSZSZKRSE6RZ2WAWO46ZAIK4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Topological Magneto-Electric Effect Decay","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"A. H. MacDonald, D. A. Pesin","submitted_at":"2012-07-18T19:02:07Z","abstract_excerpt":"We address the influence of realistic disorder on the effective magnetic monopole that is induced near the surface of an ideal topological insulator (TI) by azimuthal currents which flow in response to a suddenly introduced external electric charge. We show that when the longitudinal conductivity $\\sigma_{xx} = g (e^2/h)$ is accounted for, the apparent position of a magnetic monopole initially retreats from the TI surface at speed $v_{M} = \\alpha c g$, where $\\alpha$ is the fine structure constant and $c$ is the speed of light. For the particular case of TI surface states described by a massiv"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1207.4444","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":"2026-05-18T03:16:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uUYhdSUubqRaNQXlZj3k+W9jWjhlgjQpDU8qesyEe/Y+ebIBS158ywDT6d3qqi79UHJcoKwoZ2wxZAgm+xs7BA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T04:03:01.550502Z"},"content_sha256":"2a0fa74d4899878d4347126524de198cee1826546d7e3764b6c44b7f3bc9ae60","schema_version":"1.0","event_id":"sha256:2a0fa74d4899878d4347126524de198cee1826546d7e3764b6c44b7f3bc9ae60"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5YRSZSZKRSE6RZ2WAWO46ZAIK4/bundle.json","state_url":"https://pith.science/pith/5YRSZSZKRSE6RZ2WAWO46ZAIK4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5YRSZSZKRSE6RZ2WAWO46ZAIK4/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":"2026-06-09T04:03:01Z","links":{"resolver":"https://pith.science/pith/5YRSZSZKRSE6RZ2WAWO46ZAIK4","bundle":"https://pith.science/pith/5YRSZSZKRSE6RZ2WAWO46ZAIK4/bundle.json","state":"https://pith.science/pith/5YRSZSZKRSE6RZ2WAWO46ZAIK4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5YRSZSZKRSE6RZ2WAWO46ZAIK4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:5YRSZSZKRSE6RZ2WAWO46ZAIK4","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":"10a9be1a566cb638654e92fb95cf3c473364fb5696cf82e346454feaef35fbf8","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2012-07-18T19:02:07Z","title_canon_sha256":"39ffe43a3818c90b5d516686f290cc11a050903600e2cc6e502db5e7a5227107"},"schema_version":"1.0","source":{"id":"1207.4444","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1207.4444","created_at":"2026-05-18T03:16:27Z"},{"alias_kind":"arxiv_version","alias_value":"1207.4444v1","created_at":"2026-05-18T03:16:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1207.4444","created_at":"2026-05-18T03:16:27Z"},{"alias_kind":"pith_short_12","alias_value":"5YRSZSZKRSE6","created_at":"2026-05-18T12:26:56Z"},{"alias_kind":"pith_short_16","alias_value":"5YRSZSZKRSE6RZ2W","created_at":"2026-05-18T12:26:56Z"},{"alias_kind":"pith_short_8","alias_value":"5YRSZSZK","created_at":"2026-05-18T12:26:56Z"}],"graph_snapshots":[{"event_id":"sha256:2a0fa74d4899878d4347126524de198cee1826546d7e3764b6c44b7f3bc9ae60","target":"graph","created_at":"2026-05-18T03:16:27Z","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 address the influence of realistic disorder on the effective magnetic monopole that is induced near the surface of an ideal topological insulator (TI) by azimuthal currents which flow in response to a suddenly introduced external electric charge. We show that when the longitudinal conductivity $\\sigma_{xx} = g (e^2/h)$ is accounted for, the apparent position of a magnetic monopole initially retreats from the TI surface at speed $v_{M} = \\alpha c g$, where $\\alpha$ is the fine structure constant and $c$ is the speed of light. For the particular case of TI surface states described by a massiv","authors_text":"A. H. MacDonald, D. A. Pesin","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2012-07-18T19:02:07Z","title":"Topological Magneto-Electric Effect Decay"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1207.4444","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":"sha256:71541c0322c3e0422195a05d98e046f10b5060ea111dd398127b92db59eb6fcb","target":"record","created_at":"2026-05-18T03:16:27Z","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":"10a9be1a566cb638654e92fb95cf3c473364fb5696cf82e346454feaef35fbf8","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2012-07-18T19:02:07Z","title_canon_sha256":"39ffe43a3818c90b5d516686f290cc11a050903600e2cc6e502db5e7a5227107"},"schema_version":"1.0","source":{"id":"1207.4444","kind":"arxiv","version":1}},"canonical_sha256":"ee232ccb2a8c89e8e756059dcf6408572fa2173ff47da54c6328af0a0c2e2f0b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ee232ccb2a8c89e8e756059dcf6408572fa2173ff47da54c6328af0a0c2e2f0b","first_computed_at":"2026-05-18T03:16:27.257214Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:16:27.257214Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"16MrAG0RW7mIVmRPNsf+Yhy/ZAlK2x+EveFf8KE2K8abTD2pkyI3XYPbGbDFgJPRycpaphuJNtJeoJsCbizjDw==","signature_status":"signed_v1","signed_at":"2026-05-18T03:16:27.257696Z","signed_message":"canonical_sha256_bytes"},"source_id":"1207.4444","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:71541c0322c3e0422195a05d98e046f10b5060ea111dd398127b92db59eb6fcb","sha256:2a0fa74d4899878d4347126524de198cee1826546d7e3764b6c44b7f3bc9ae60"],"state_sha256":"56bef908ce24a82d89056bd9470884752bad79287d4953d8df6bb930d652bc7e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7/8crY0yNdT2WD0yogFQqs5pmx2LCRWySUTQH6QQb4VdUhEP6qtF9qSIO6PI/GPjLSlmbt4Wyq72eAMEHsHSCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-09T04:03:01.554939Z","bundle_sha256":"9045e2b2572a9d42a6f7135e2e546dc1f725d66e304576930139ede784bac600"}}