{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:SL4QC6FYPZIDKXLZ3MWRRSS47Y","short_pith_number":"pith:SL4QC6FY","canonical_record":{"source":{"id":"2605.15631","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2026-05-15T05:31:38Z","cross_cats_sorted":[],"title_canon_sha256":"69189b1c0bca1b02b4ca7121682efa64e46d1a44db844c57564db8cf623e45ed","abstract_canon_sha256":"b418b66b69c3eb26a276565ba1848af498eccae5048d30431a10719d26cf6671"},"schema_version":"1.0"},"canonical_sha256":"92f90178b87e50355d79db2d18ca5cfe00b55b781055a7ac9b21ed4b49c440af","source":{"kind":"arxiv","id":"2605.15631","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2605.15631","created_at":"2026-05-20T00:01:09Z"},{"alias_kind":"arxiv_version","alias_value":"2605.15631v1","created_at":"2026-05-20T00:01:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.15631","created_at":"2026-05-20T00:01:09Z"},{"alias_kind":"pith_short_12","alias_value":"SL4QC6FYPZID","created_at":"2026-05-20T00:01:09Z"},{"alias_kind":"pith_short_16","alias_value":"SL4QC6FYPZIDKXLZ","created_at":"2026-05-20T00:01:09Z"},{"alias_kind":"pith_short_8","alias_value":"SL4QC6FY","created_at":"2026-05-20T00:01:09Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:SL4QC6FYPZIDKXLZ3MWRRSS47Y","target":"record","payload":{"canonical_record":{"source":{"id":"2605.15631","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2026-05-15T05:31:38Z","cross_cats_sorted":[],"title_canon_sha256":"69189b1c0bca1b02b4ca7121682efa64e46d1a44db844c57564db8cf623e45ed","abstract_canon_sha256":"b418b66b69c3eb26a276565ba1848af498eccae5048d30431a10719d26cf6671"},"schema_version":"1.0"},"canonical_sha256":"92f90178b87e50355d79db2d18ca5cfe00b55b781055a7ac9b21ed4b49c440af","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-20T00:01:09.116342Z","signature_b64":"L8YbhOmE2wYD71zQLd+vUnmlW+nukyaDnLisE6xSDzM77gnKOfxmg4ZgIQOLPoAsAKmGMBmdLJ3yAIrAn8WFCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"92f90178b87e50355d79db2d18ca5cfe00b55b781055a7ac9b21ed4b49c440af","last_reissued_at":"2026-05-20T00:01:09.115418Z","signature_status":"signed_v1","first_computed_at":"2026-05-20T00:01:09.115418Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2605.15631","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":"2026-05-20T00:01:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"aT6raZvKkspbrjGFVe1cIaoSGqEcc6gN6MzBg470vGkTKKbrGjb2jyMYTdJkyGc6SaJ32nGImJDVv+tWXU3oCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-24T18:51:05.269552Z"},"content_sha256":"b07f2cfdf9edf275caf621e0d8c8ac5f71c8225103644345a5672ddb6c80033c","schema_version":"1.0","event_id":"sha256:b07f2cfdf9edf275caf621e0d8c8ac5f71c8225103644345a5672ddb6c80033c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:SL4QC6FYPZIDKXLZ3MWRRSS47Y","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Topological property of graphene with triangular array of nanoholes","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Xiao Hu, Xing-Xiang Wang, Yong-Cheng Jiang","submitted_at":"2026-05-15T05:31:38Z","abstract_excerpt":"The nontrivial band topology for graphene with regular arrays of nanoholes with $C_{6v}$ symmetry is investigated theoretically. For the case of $3\\sqrt{3} \\times 3\\sqrt{3}$ triangular array of nanoholes, we find an energy gap at $\\Gamma$ point around the Fermi level associated with a band inversion which induces change in parity indices, whereas deep below the Fermi level there are a bunch of valence bands characterized as obstructed atomic limit (OAL) which also accommodate imbalance in parity indices. This band structure renders the gap at the Fermi level topologically trivial and carrying "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.15631","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/2605.15631/integrity.json","findings":[],"available":true,"detectors_run":[{"name":"ai_meta_artifact","ran_at":"2026-05-19T19:33:35.678374Z","status":"skipped","version":"1.0.0","findings_count":0},{"name":"claim_evidence","ran_at":"2026-05-19T17:41:56.026727Z","status":"completed","version":"1.0.0","findings_count":0}],"snapshot_sha256":"7b47584ff556c4a5484de8f19bd4b5b8e9eab35c9b003bcb2dc5263bce03206b"},"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":"2026-05-20T00:01:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0kpI2GrIk7MkqGum8EVlojlA9tn1Liretji3uvcA/189Q1FzqSFfic8hBDEY7pe8WEquT7Zbt/LTxFn5d2WgCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-24T18:51:05.270088Z"},"content_sha256":"bf6f256b0b00016e14021900c32726f20e4f9c63287a2246e98f347162a906a2","schema_version":"1.0","event_id":"sha256:bf6f256b0b00016e14021900c32726f20e4f9c63287a2246e98f347162a906a2"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/SL4QC6FYPZIDKXLZ3MWRRSS47Y/bundle.json","state_url":"https://pith.science/pith/SL4QC6FYPZIDKXLZ3MWRRSS47Y/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/SL4QC6FYPZIDKXLZ3MWRRSS47Y/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":"2026-05-24T18:51:05Z","links":{"resolver":"https://pith.science/pith/SL4QC6FYPZIDKXLZ3MWRRSS47Y","bundle":"https://pith.science/pith/SL4QC6FYPZIDKXLZ3MWRRSS47Y/bundle.json","state":"https://pith.science/pith/SL4QC6FYPZIDKXLZ3MWRRSS47Y/state.json","well_known_bundle":"https://pith.science/.well-known/pith/SL4QC6FYPZIDKXLZ3MWRRSS47Y/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:SL4QC6FYPZIDKXLZ3MWRRSS47Y","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":"b418b66b69c3eb26a276565ba1848af498eccae5048d30431a10719d26cf6671","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2026-05-15T05:31:38Z","title_canon_sha256":"69189b1c0bca1b02b4ca7121682efa64e46d1a44db844c57564db8cf623e45ed"},"schema_version":"1.0","source":{"id":"2605.15631","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2605.15631","created_at":"2026-05-20T00:01:09Z"},{"alias_kind":"arxiv_version","alias_value":"2605.15631v1","created_at":"2026-05-20T00:01:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.15631","created_at":"2026-05-20T00:01:09Z"},{"alias_kind":"pith_short_12","alias_value":"SL4QC6FYPZID","created_at":"2026-05-20T00:01:09Z"},{"alias_kind":"pith_short_16","alias_value":"SL4QC6FYPZIDKXLZ","created_at":"2026-05-20T00:01:09Z"},{"alias_kind":"pith_short_8","alias_value":"SL4QC6FY","created_at":"2026-05-20T00:01:09Z"}],"graph_snapshots":[{"event_id":"sha256:bf6f256b0b00016e14021900c32726f20e4f9c63287a2246e98f347162a906a2","target":"graph","created_at":"2026-05-20T00:01:09Z","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":[{"findings_count":0,"name":"ai_meta_artifact","ran_at":"2026-05-19T19:33:35.678374Z","status":"skipped","version":"1.0.0"},{"findings_count":0,"name":"claim_evidence","ran_at":"2026-05-19T17:41:56.026727Z","status":"completed","version":"1.0.0"}],"endpoint":"/pith/2605.15631/integrity.json","findings":[],"snapshot_sha256":"7b47584ff556c4a5484de8f19bd4b5b8e9eab35c9b003bcb2dc5263bce03206b","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The nontrivial band topology for graphene with regular arrays of nanoholes with $C_{6v}$ symmetry is investigated theoretically. For the case of $3\\sqrt{3} \\times 3\\sqrt{3}$ triangular array of nanoholes, we find an energy gap at $\\Gamma$ point around the Fermi level associated with a band inversion which induces change in parity indices, whereas deep below the Fermi level there are a bunch of valence bands characterized as obstructed atomic limit (OAL) which also accommodate imbalance in parity indices. This band structure renders the gap at the Fermi level topologically trivial and carrying ","authors_text":"Xiao Hu, Xing-Xiang Wang, Yong-Cheng Jiang","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2026-05-15T05:31:38Z","title":"Topological property of graphene with triangular array of nanoholes"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.15631","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:b07f2cfdf9edf275caf621e0d8c8ac5f71c8225103644345a5672ddb6c80033c","target":"record","created_at":"2026-05-20T00:01:09Z","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":"b418b66b69c3eb26a276565ba1848af498eccae5048d30431a10719d26cf6671","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2026-05-15T05:31:38Z","title_canon_sha256":"69189b1c0bca1b02b4ca7121682efa64e46d1a44db844c57564db8cf623e45ed"},"schema_version":"1.0","source":{"id":"2605.15631","kind":"arxiv","version":1}},"canonical_sha256":"92f90178b87e50355d79db2d18ca5cfe00b55b781055a7ac9b21ed4b49c440af","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"92f90178b87e50355d79db2d18ca5cfe00b55b781055a7ac9b21ed4b49c440af","first_computed_at":"2026-05-20T00:01:09.115418Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-20T00:01:09.115418Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"L8YbhOmE2wYD71zQLd+vUnmlW+nukyaDnLisE6xSDzM77gnKOfxmg4ZgIQOLPoAsAKmGMBmdLJ3yAIrAn8WFCg==","signature_status":"signed_v1","signed_at":"2026-05-20T00:01:09.116342Z","signed_message":"canonical_sha256_bytes"},"source_id":"2605.15631","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b07f2cfdf9edf275caf621e0d8c8ac5f71c8225103644345a5672ddb6c80033c","sha256:bf6f256b0b00016e14021900c32726f20e4f9c63287a2246e98f347162a906a2"],"state_sha256":"2f8e946054e923e786038d3bbcd0aae2dc433695d9ae8acd1217d12d48325b52"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mTAcwxl4Z1vu6YYCLYyK7uTySfX+GxpgmgX/MlU4qMWAfma4OT1JXWfYvv1NuO1Rpfj1JQbxfC5qlFvJM9H1Cw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-24T18:51:05.273414Z","bundle_sha256":"2d87584ef798a7d0ce785eea03817900edb97cf54a8a48e9d6058fdd30df2cbd"}}