{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:B64QIBE5LRWCOL2QRQN6KUJY5R","short_pith_number":"pith:B64QIBE5","canonical_record":{"source":{"id":"1202.3203","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2012-02-15T04:36:38Z","cross_cats_sorted":[],"title_canon_sha256":"d4b978ca063d2266be814533a3316f3d8546843f93f50c5737d7ec5af04300d1","abstract_canon_sha256":"18f698ccc23c4aa025890b29ce25f80ad2c799663201f671577d8370dde75d66"},"schema_version":"1.0"},"canonical_sha256":"0fb904049d5c6c272f508c1be55138ec593ccd14ae8b7e7c25a6d30d93a0a5fa","source":{"kind":"arxiv","id":"1202.3203","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1202.3203","created_at":"2026-05-18T01:58:28Z"},{"alias_kind":"arxiv_version","alias_value":"1202.3203v1","created_at":"2026-05-18T01:58:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1202.3203","created_at":"2026-05-18T01:58:28Z"},{"alias_kind":"pith_short_12","alias_value":"B64QIBE5LRWC","created_at":"2026-05-18T12:26:58Z"},{"alias_kind":"pith_short_16","alias_value":"B64QIBE5LRWCOL2Q","created_at":"2026-05-18T12:26:58Z"},{"alias_kind":"pith_short_8","alias_value":"B64QIBE5","created_at":"2026-05-18T12:26:58Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:B64QIBE5LRWCOL2QRQN6KUJY5R","target":"record","payload":{"canonical_record":{"source":{"id":"1202.3203","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2012-02-15T04:36:38Z","cross_cats_sorted":[],"title_canon_sha256":"d4b978ca063d2266be814533a3316f3d8546843f93f50c5737d7ec5af04300d1","abstract_canon_sha256":"18f698ccc23c4aa025890b29ce25f80ad2c799663201f671577d8370dde75d66"},"schema_version":"1.0"},"canonical_sha256":"0fb904049d5c6c272f508c1be55138ec593ccd14ae8b7e7c25a6d30d93a0a5fa","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:58:28.287934Z","signature_b64":"ZZ3TMJ8otetwZxOysE9Nj6nFuXRzhszDSWhnimfxl+nJ8px7cd8jVi0tbPfbXvJ/UhR39S3oBhzq3YcIdckGCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0fb904049d5c6c272f508c1be55138ec593ccd14ae8b7e7c25a6d30d93a0a5fa","last_reissued_at":"2026-05-18T01:58:28.287477Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:58:28.287477Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1202.3203","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":"2026-05-18T01:58:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"oFxcNmpwUAir+Z9GMbWJHSmVBfWIOzOzXM25HYM58fULrWgw7ZnfBH8F8znCVZEtftaYxNv1h7xHt8vYNGeoDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T02:21:22.777378Z"},"content_sha256":"59c5dcaf7d2c87e67c8cd8bc2dd02e1067773f002b7700330468f08c910d50c5","schema_version":"1.0","event_id":"sha256:59c5dcaf7d2c87e67c8cd8bc2dd02e1067773f002b7700330468f08c910d50c5"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:B64QIBE5LRWCOL2QRQN6KUJY5R","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A study on correlation effects in two dimensional topological insulators","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"A. Koga, M. Oshikawa, N. Kawakami, R. Peters, S. Fujimoto, Y. Tada","submitted_at":"2012-02-15T04:36:38Z","abstract_excerpt":"We investigate correlation effects in two dimensional topological insulators (TI). In the first part, we discuss finite size effects for interacting systems of different sizes in a ribbon geometry. For large systems, there are two pairs of well separated massless modes on both edges. For these systems, we analyze the finite size effects using a standard bosonization approach. For small systems, where the edge states are massive Dirac fermions, we use the inhomogeneous dynamical mean field theory (DMFT) combined with iterative perturbation theory as an impurity solver to study interaction effec"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1202.3203","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":"2026-05-18T01:58:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xZ0pdZfYH5q5KOKw/Hh7BP9jajdfvFK9s7QpN0cvD9t1VwRBGDyKVGa2YaP/2jwY8Ix54pLpjQT6m85uLyiqBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T02:21:22.778055Z"},"content_sha256":"8cd2cb0e548dc15030ddcbce1ced186dc473465feb3ab1fdaa052cf36096392e","schema_version":"1.0","event_id":"sha256:8cd2cb0e548dc15030ddcbce1ced186dc473465feb3ab1fdaa052cf36096392e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/B64QIBE5LRWCOL2QRQN6KUJY5R/bundle.json","state_url":"https://pith.science/pith/B64QIBE5LRWCOL2QRQN6KUJY5R/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/B64QIBE5LRWCOL2QRQN6KUJY5R/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":"2026-05-27T02:21:22Z","links":{"resolver":"https://pith.science/pith/B64QIBE5LRWCOL2QRQN6KUJY5R","bundle":"https://pith.science/pith/B64QIBE5LRWCOL2QRQN6KUJY5R/bundle.json","state":"https://pith.science/pith/B64QIBE5LRWCOL2QRQN6KUJY5R/state.json","well_known_bundle":"https://pith.science/.well-known/pith/B64QIBE5LRWCOL2QRQN6KUJY5R/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:B64QIBE5LRWCOL2QRQN6KUJY5R","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":"18f698ccc23c4aa025890b29ce25f80ad2c799663201f671577d8370dde75d66","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2012-02-15T04:36:38Z","title_canon_sha256":"d4b978ca063d2266be814533a3316f3d8546843f93f50c5737d7ec5af04300d1"},"schema_version":"1.0","source":{"id":"1202.3203","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1202.3203","created_at":"2026-05-18T01:58:28Z"},{"alias_kind":"arxiv_version","alias_value":"1202.3203v1","created_at":"2026-05-18T01:58:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1202.3203","created_at":"2026-05-18T01:58:28Z"},{"alias_kind":"pith_short_12","alias_value":"B64QIBE5LRWC","created_at":"2026-05-18T12:26:58Z"},{"alias_kind":"pith_short_16","alias_value":"B64QIBE5LRWCOL2Q","created_at":"2026-05-18T12:26:58Z"},{"alias_kind":"pith_short_8","alias_value":"B64QIBE5","created_at":"2026-05-18T12:26:58Z"}],"graph_snapshots":[{"event_id":"sha256:8cd2cb0e548dc15030ddcbce1ced186dc473465feb3ab1fdaa052cf36096392e","target":"graph","created_at":"2026-05-18T01:58:28Z","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 investigate correlation effects in two dimensional topological insulators (TI). In the first part, we discuss finite size effects for interacting systems of different sizes in a ribbon geometry. For large systems, there are two pairs of well separated massless modes on both edges. For these systems, we analyze the finite size effects using a standard bosonization approach. For small systems, where the edge states are massive Dirac fermions, we use the inhomogeneous dynamical mean field theory (DMFT) combined with iterative perturbation theory as an impurity solver to study interaction effec","authors_text":"A. Koga, M. Oshikawa, N. Kawakami, R. Peters, S. Fujimoto, Y. Tada","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2012-02-15T04:36:38Z","title":"A study on correlation effects in two dimensional topological insulators"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1202.3203","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":"sha256:59c5dcaf7d2c87e67c8cd8bc2dd02e1067773f002b7700330468f08c910d50c5","target":"record","created_at":"2026-05-18T01:58:28Z","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":"18f698ccc23c4aa025890b29ce25f80ad2c799663201f671577d8370dde75d66","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2012-02-15T04:36:38Z","title_canon_sha256":"d4b978ca063d2266be814533a3316f3d8546843f93f50c5737d7ec5af04300d1"},"schema_version":"1.0","source":{"id":"1202.3203","kind":"arxiv","version":1}},"canonical_sha256":"0fb904049d5c6c272f508c1be55138ec593ccd14ae8b7e7c25a6d30d93a0a5fa","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0fb904049d5c6c272f508c1be55138ec593ccd14ae8b7e7c25a6d30d93a0a5fa","first_computed_at":"2026-05-18T01:58:28.287477Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:58:28.287477Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ZZ3TMJ8otetwZxOysE9Nj6nFuXRzhszDSWhnimfxl+nJ8px7cd8jVi0tbPfbXvJ/UhR39S3oBhzq3YcIdckGCA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:58:28.287934Z","signed_message":"canonical_sha256_bytes"},"source_id":"1202.3203","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:59c5dcaf7d2c87e67c8cd8bc2dd02e1067773f002b7700330468f08c910d50c5","sha256:8cd2cb0e548dc15030ddcbce1ced186dc473465feb3ab1fdaa052cf36096392e"],"state_sha256":"8ccc7212c8e3b9de86b2439d157a222e5bc8b97a08a2bcbe63c1243139784841"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mJuYVEJDyEYMQixEtgUBQYoU4QVPabTOT8vmiRvB6QXffkj8yVcPyMno39y2rQWzzcJblf3I6Wc2CaHzxwM+BA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T02:21:22.781710Z","bundle_sha256":"fa9897ffc78e7c9c544ac6e5f0bfa5550f58a2d36224f1554a98e817c3929fe2"}}