{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:NMYG26A2SVZN25OQCNQ5WFTOYI","short_pith_number":"pith:NMYG26A2","canonical_record":{"source":{"id":"2406.14209","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2024-06-20T11:26:09Z","cross_cats_sorted":[],"title_canon_sha256":"b55e6c714deeecbe3b7dda720e077b71b76fffb6e9bb4450d2dc4690472e8e0a","abstract_canon_sha256":"a92705fcc65a73eceaa78df066473c4c9a6372f0d0dab3f180464f56976b0cd8"},"schema_version":"1.0"},"canonical_sha256":"6b306d781a9572dd75d01361db166ec231ed2472c1e53972dbe99b1203864ee1","source":{"kind":"arxiv","id":"2406.14209","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2406.14209","created_at":"2026-07-05T08:34:40Z"},{"alias_kind":"arxiv_version","alias_value":"2406.14209v1","created_at":"2026-07-05T08:34:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2406.14209","created_at":"2026-07-05T08:34:40Z"},{"alias_kind":"pith_short_12","alias_value":"NMYG26A2SVZN","created_at":"2026-07-05T08:34:40Z"},{"alias_kind":"pith_short_16","alias_value":"NMYG26A2SVZN25OQ","created_at":"2026-07-05T08:34:40Z"},{"alias_kind":"pith_short_8","alias_value":"NMYG26A2","created_at":"2026-07-05T08:34:40Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:NMYG26A2SVZN25OQCNQ5WFTOYI","target":"record","payload":{"canonical_record":{"source":{"id":"2406.14209","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2024-06-20T11:26:09Z","cross_cats_sorted":[],"title_canon_sha256":"b55e6c714deeecbe3b7dda720e077b71b76fffb6e9bb4450d2dc4690472e8e0a","abstract_canon_sha256":"a92705fcc65a73eceaa78df066473c4c9a6372f0d0dab3f180464f56976b0cd8"},"schema_version":"1.0"},"canonical_sha256":"6b306d781a9572dd75d01361db166ec231ed2472c1e53972dbe99b1203864ee1","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:34:40.451043Z","signature_b64":"CCCM8fTnWQJ8hTArO/Rfv2okf4TMJPc4jruzGTs47kV6HRhq4G1JbnkWZq3tYJW8r/0O8f7HtJlCDNHyaFAJAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6b306d781a9572dd75d01361db166ec231ed2472c1e53972dbe99b1203864ee1","last_reissued_at":"2026-07-05T08:34:40.450577Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:34:40.450577Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2406.14209","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":"2026-07-05T08:34:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gfdUm/S/2wPhWNfv9nGD1khGL7Gk/4ejuIa9HlJfqwrVMTiUUq0JF540fkFpuutuglQ4W5TWkYnONLQvjXEcAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-19T23:43:23.572007Z"},"content_sha256":"ef046ae140d3ae229d96ff0e82d2462cfd3e4e88eed2c99b38a74da74c5da31a","schema_version":"1.0","event_id":"sha256:ef046ae140d3ae229d96ff0e82d2462cfd3e4e88eed2c99b38a74da74c5da31a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:NMYG26A2SVZN25OQCNQ5WFTOYI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"2024 roadmap on 2D topological insulators","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Anton Tadich, Bent Weber, Bhaskaran Muralidharan, Chandra Shekhar, Claudia Felser, David Cobden, Dimitrie Culcer, Dmytro Pesin, Fabian R Menges, Harold J W Zandvliet, Johannes Gooth, Jukka I V\\\"ayrynen, Junxiang Jia, Laurens W Molenkamp, Maciej Bieniek, Mark T Edmonds, Mengting Zhao, Michael S Fuhrer, Muhammad Nadeem, Pantelis Bampoulis, Ralph Claessen, Ronny Thomale, Saquib Shamim, Shengyuan A Yang, Xian-Lei Sheng","submitted_at":"2024-06-20T11:26:09Z","abstract_excerpt":"2D topological insulators promise novel approaches towards electronic, spintronic, and quantum device applications. This is owing to unique features of their electronic band structure, in which bulk-boundary correspondences enforces the existence of 1D spin-momentum locked metallic edge states - both helical and chiral - surrounding an electrically insulating bulk. Forty years since the first discoveries of topological phases in condensed matter, the abstract concept of band topology has sprung into realization with several materials now available in which sizable bulk energy gaps - up to a fe"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2406.14209","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2406.14209/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T08:34:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GAZkqA9McLmAnLfiLIdSwROZXf2eeiiiOSAvNb9hK/4zIctvl+wjywrSYVTj9M/uRM/LomwgCaiKinv/hfEkDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-19T23:43:23.573081Z"},"content_sha256":"5324543ee0a0c3346d82378d847c64dc38b22c0eb00de2cd2ca87db54970c1df","schema_version":"1.0","event_id":"sha256:5324543ee0a0c3346d82378d847c64dc38b22c0eb00de2cd2ca87db54970c1df"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/NMYG26A2SVZN25OQCNQ5WFTOYI/bundle.json","state_url":"https://pith.science/pith/NMYG26A2SVZN25OQCNQ5WFTOYI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/NMYG26A2SVZN25OQCNQ5WFTOYI/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":"2026-08-19T23:43:23Z","links":{"resolver":"https://pith.science/pith/NMYG26A2SVZN25OQCNQ5WFTOYI","bundle":"https://pith.science/pith/NMYG26A2SVZN25OQCNQ5WFTOYI/bundle.json","state":"https://pith.science/pith/NMYG26A2SVZN25OQCNQ5WFTOYI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/NMYG26A2SVZN25OQCNQ5WFTOYI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:NMYG26A2SVZN25OQCNQ5WFTOYI","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":"a92705fcc65a73eceaa78df066473c4c9a6372f0d0dab3f180464f56976b0cd8","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2024-06-20T11:26:09Z","title_canon_sha256":"b55e6c714deeecbe3b7dda720e077b71b76fffb6e9bb4450d2dc4690472e8e0a"},"schema_version":"1.0","source":{"id":"2406.14209","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2406.14209","created_at":"2026-07-05T08:34:40Z"},{"alias_kind":"arxiv_version","alias_value":"2406.14209v1","created_at":"2026-07-05T08:34:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2406.14209","created_at":"2026-07-05T08:34:40Z"},{"alias_kind":"pith_short_12","alias_value":"NMYG26A2SVZN","created_at":"2026-07-05T08:34:40Z"},{"alias_kind":"pith_short_16","alias_value":"NMYG26A2SVZN25OQ","created_at":"2026-07-05T08:34:40Z"},{"alias_kind":"pith_short_8","alias_value":"NMYG26A2","created_at":"2026-07-05T08:34:40Z"}],"graph_snapshots":[{"event_id":"sha256:5324543ee0a0c3346d82378d847c64dc38b22c0eb00de2cd2ca87db54970c1df","target":"graph","created_at":"2026-07-05T08:34:40Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2406.14209/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"2D topological insulators promise novel approaches towards electronic, spintronic, and quantum device applications. This is owing to unique features of their electronic band structure, in which bulk-boundary correspondences enforces the existence of 1D spin-momentum locked metallic edge states - both helical and chiral - surrounding an electrically insulating bulk. Forty years since the first discoveries of topological phases in condensed matter, the abstract concept of band topology has sprung into realization with several materials now available in which sizable bulk energy gaps - up to a fe","authors_text":"Anton Tadich, Bent Weber, Bhaskaran Muralidharan, Chandra Shekhar, Claudia Felser, David Cobden, Dimitrie Culcer, Dmytro Pesin, Fabian R Menges, Harold J W Zandvliet, Johannes Gooth, Jukka I V\\\"ayrynen, Junxiang Jia, Laurens W Molenkamp, Maciej Bieniek, Mark T Edmonds, Mengting Zhao, Michael S Fuhrer, Muhammad Nadeem, Pantelis Bampoulis, Ralph Claessen, Ronny Thomale, Saquib Shamim, Shengyuan A Yang, Xian-Lei Sheng","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2024-06-20T11:26:09Z","title":"2024 roadmap on 2D topological insulators"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2406.14209","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:ef046ae140d3ae229d96ff0e82d2462cfd3e4e88eed2c99b38a74da74c5da31a","target":"record","created_at":"2026-07-05T08:34:40Z","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":"a92705fcc65a73eceaa78df066473c4c9a6372f0d0dab3f180464f56976b0cd8","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2024-06-20T11:26:09Z","title_canon_sha256":"b55e6c714deeecbe3b7dda720e077b71b76fffb6e9bb4450d2dc4690472e8e0a"},"schema_version":"1.0","source":{"id":"2406.14209","kind":"arxiv","version":1}},"canonical_sha256":"6b306d781a9572dd75d01361db166ec231ed2472c1e53972dbe99b1203864ee1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6b306d781a9572dd75d01361db166ec231ed2472c1e53972dbe99b1203864ee1","first_computed_at":"2026-07-05T08:34:40.450577Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T08:34:40.450577Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"CCCM8fTnWQJ8hTArO/Rfv2okf4TMJPc4jruzGTs47kV6HRhq4G1JbnkWZq3tYJW8r/0O8f7HtJlCDNHyaFAJAQ==","signature_status":"signed_v1","signed_at":"2026-07-05T08:34:40.451043Z","signed_message":"canonical_sha256_bytes"},"source_id":"2406.14209","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ef046ae140d3ae229d96ff0e82d2462cfd3e4e88eed2c99b38a74da74c5da31a","sha256:5324543ee0a0c3346d82378d847c64dc38b22c0eb00de2cd2ca87db54970c1df"],"state_sha256":"a242d4bb07dd0e914dc2af5819847ed0efd158726ea976c90583543e0cf884c6"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2aT8akEnTAN50W3Aw2OSbzNTszkzH69BXTd7cP1uRcpERj/zrYxIH8VqXMrmcizu1EALw5zvxoHr4GVKH/9ACA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-19T23:43:23.579172Z","bundle_sha256":"39529a4670c2e28078660db9c5684f7ee15e8b97b0592efef1a4eee7949db9f8"}}