{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:3HMMVK7N6UKEV536EXYWU3LJLV","short_pith_number":"pith:3HMMVK7N","canonical_record":{"source":{"id":"2606.23074","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2026-06-22T09:21:35Z","cross_cats_sorted":[],"title_canon_sha256":"c3bebd85625a35e79ddfffc11856ad5b83b9fed1e0c2e828d8b9092ff5a762ad","abstract_canon_sha256":"01b7d8f465c5cdf816c61ecfd38aa2b49f00ffc65679b3622ed469b66f597d93"},"schema_version":"1.0"},"canonical_sha256":"d9d8caabedf5144af77e25f16a6d695d4c8df39308fc1a4c4ad2aad6c5e16171","source":{"kind":"arxiv","id":"2606.23074","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.23074","created_at":"2026-06-23T03:14:09Z"},{"alias_kind":"arxiv_version","alias_value":"2606.23074v1","created_at":"2026-06-23T03:14:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.23074","created_at":"2026-06-23T03:14:09Z"},{"alias_kind":"pith_short_12","alias_value":"3HMMVK7N6UKE","created_at":"2026-06-23T03:14:09Z"},{"alias_kind":"pith_short_16","alias_value":"3HMMVK7N6UKEV536","created_at":"2026-06-23T03:14:09Z"},{"alias_kind":"pith_short_8","alias_value":"3HMMVK7N","created_at":"2026-06-23T03:14:09Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:3HMMVK7N6UKEV536EXYWU3LJLV","target":"record","payload":{"canonical_record":{"source":{"id":"2606.23074","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2026-06-22T09:21:35Z","cross_cats_sorted":[],"title_canon_sha256":"c3bebd85625a35e79ddfffc11856ad5b83b9fed1e0c2e828d8b9092ff5a762ad","abstract_canon_sha256":"01b7d8f465c5cdf816c61ecfd38aa2b49f00ffc65679b3622ed469b66f597d93"},"schema_version":"1.0"},"canonical_sha256":"d9d8caabedf5144af77e25f16a6d695d4c8df39308fc1a4c4ad2aad6c5e16171","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-23T03:14:09.104525Z","signature_b64":"NmWNq8s+nBgJ5GnC+3hMaVqb+4/OKDhte1Ne2z2DLtqx10J/9/B+cpEJuKX1lfe7W3sGpqRV2T9Hxq3CpE3PAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d9d8caabedf5144af77e25f16a6d695d4c8df39308fc1a4c4ad2aad6c5e16171","last_reissued_at":"2026-06-23T03:14:09.104144Z","signature_status":"signed_v1","first_computed_at":"2026-06-23T03:14:09.104144Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2606.23074","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":"2026-06-23T03:14:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hxSBu+EYJd+oS0B9dXSeS+NnajFlfCVk/ddxrq2rnD3OTXbqC3kbQym+IByxmWonfekW0syyu7S1n+JN0uIMDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-28T12:25:42.087382Z"},"content_sha256":"8fc2b5dac522d5c933aa7865cc096960d74f3c12dbbcdb11b16973c6640a08c8","schema_version":"1.0","event_id":"sha256:8fc2b5dac522d5c933aa7865cc096960d74f3c12dbbcdb11b16973c6640a08c8"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:3HMMVK7N6UKEV536EXYWU3LJLV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Universality of dimensional crossovers in topological insulators","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Cristiane Morais Smith, Lumen Eek, Zeb Osseweijer","submitted_at":"2026-06-22T09:21:35Z","abstract_excerpt":"We investigate dimensional crossovers in minimal tight-binding models of three-dimensional (3D) topological insulators subject to geometric confinement. While thin films are commonly understood to host a crossover from a 3D strong topological insulator to a two-dimensional (2D) quantum spin Hall phase via hybridization of surface states, we demonstrate that this picture is incomplete once bulk confinement effects and boundary termination are fully taken into account. Using lattice models, we show that reducing the system size induces a strongly non-monotonic dependence of the topology on thick"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.23074","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/2606.23074/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":"2026-06-23T03:14:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vO1zHTZvJZpc9bSzd2LJG/5EbI26ieCICrVwSBrIPz7klmmVPZk3mf4MeSUTIn/xCNeruZKQ76QJnozCDV8NCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-28T12:25:42.087763Z"},"content_sha256":"bcc4e597d726ed3c3c8924df9c77641532260080ac0bd2df0c5e4194193cf8f6","schema_version":"1.0","event_id":"sha256:bcc4e597d726ed3c3c8924df9c77641532260080ac0bd2df0c5e4194193cf8f6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/3HMMVK7N6UKEV536EXYWU3LJLV/bundle.json","state_url":"https://pith.science/pith/3HMMVK7N6UKEV536EXYWU3LJLV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/3HMMVK7N6UKEV536EXYWU3LJLV/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":"2026-06-28T12:25:42Z","links":{"resolver":"https://pith.science/pith/3HMMVK7N6UKEV536EXYWU3LJLV","bundle":"https://pith.science/pith/3HMMVK7N6UKEV536EXYWU3LJLV/bundle.json","state":"https://pith.science/pith/3HMMVK7N6UKEV536EXYWU3LJLV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/3HMMVK7N6UKEV536EXYWU3LJLV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:3HMMVK7N6UKEV536EXYWU3LJLV","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":"01b7d8f465c5cdf816c61ecfd38aa2b49f00ffc65679b3622ed469b66f597d93","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2026-06-22T09:21:35Z","title_canon_sha256":"c3bebd85625a35e79ddfffc11856ad5b83b9fed1e0c2e828d8b9092ff5a762ad"},"schema_version":"1.0","source":{"id":"2606.23074","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.23074","created_at":"2026-06-23T03:14:09Z"},{"alias_kind":"arxiv_version","alias_value":"2606.23074v1","created_at":"2026-06-23T03:14:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.23074","created_at":"2026-06-23T03:14:09Z"},{"alias_kind":"pith_short_12","alias_value":"3HMMVK7N6UKE","created_at":"2026-06-23T03:14:09Z"},{"alias_kind":"pith_short_16","alias_value":"3HMMVK7N6UKEV536","created_at":"2026-06-23T03:14:09Z"},{"alias_kind":"pith_short_8","alias_value":"3HMMVK7N","created_at":"2026-06-23T03:14:09Z"}],"graph_snapshots":[{"event_id":"sha256:bcc4e597d726ed3c3c8924df9c77641532260080ac0bd2df0c5e4194193cf8f6","target":"graph","created_at":"2026-06-23T03:14:09Z","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/2606.23074/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We investigate dimensional crossovers in minimal tight-binding models of three-dimensional (3D) topological insulators subject to geometric confinement. While thin films are commonly understood to host a crossover from a 3D strong topological insulator to a two-dimensional (2D) quantum spin Hall phase via hybridization of surface states, we demonstrate that this picture is incomplete once bulk confinement effects and boundary termination are fully taken into account. Using lattice models, we show that reducing the system size induces a strongly non-monotonic dependence of the topology on thick","authors_text":"Cristiane Morais Smith, Lumen Eek, Zeb Osseweijer","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2026-06-22T09:21:35Z","title":"Universality of dimensional crossovers in topological insulators"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.23074","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":"sha256:8fc2b5dac522d5c933aa7865cc096960d74f3c12dbbcdb11b16973c6640a08c8","target":"record","created_at":"2026-06-23T03:14:09Z","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":"01b7d8f465c5cdf816c61ecfd38aa2b49f00ffc65679b3622ed469b66f597d93","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2026-06-22T09:21:35Z","title_canon_sha256":"c3bebd85625a35e79ddfffc11856ad5b83b9fed1e0c2e828d8b9092ff5a762ad"},"schema_version":"1.0","source":{"id":"2606.23074","kind":"arxiv","version":1}},"canonical_sha256":"d9d8caabedf5144af77e25f16a6d695d4c8df39308fc1a4c4ad2aad6c5e16171","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d9d8caabedf5144af77e25f16a6d695d4c8df39308fc1a4c4ad2aad6c5e16171","first_computed_at":"2026-06-23T03:14:09.104144Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-23T03:14:09.104144Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"NmWNq8s+nBgJ5GnC+3hMaVqb+4/OKDhte1Ne2z2DLtqx10J/9/B+cpEJuKX1lfe7W3sGpqRV2T9Hxq3CpE3PAw==","signature_status":"signed_v1","signed_at":"2026-06-23T03:14:09.104525Z","signed_message":"canonical_sha256_bytes"},"source_id":"2606.23074","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8fc2b5dac522d5c933aa7865cc096960d74f3c12dbbcdb11b16973c6640a08c8","sha256:bcc4e597d726ed3c3c8924df9c77641532260080ac0bd2df0c5e4194193cf8f6"],"state_sha256":"37ae911023981deb5ca416bbc8b0744f844fc6d993674b7f9dcfccd9aceecedc"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cLfsIW+wpOsXuBHfqJkKOBcWldbETQegaUvOgBCMqkU5Ldo6HGVgPEf01SIJ9RYyA4OCTZqEBYRVxTWYtdjQAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-28T12:25:42.089685Z","bundle_sha256":"da5535579e4b20b68527437235bcd20607df954d509b228b6d2c9b90da2db4f3"}}