{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:FHOJS7QW5AXD7R3L5YPIO3ZBU6","short_pith_number":"pith:FHOJS7QW","canonical_record":{"source":{"id":"1701.06133","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2017-01-22T07:38:59Z","cross_cats_sorted":[],"title_canon_sha256":"4c33581b3cc023487ae0983b0853d6320b34e337d88074a30e4f636a7e31a9f5","abstract_canon_sha256":"99b7902ea71bffdee0909489d4a9a88b6e31822c74ba63977de33018f8177b2f"},"schema_version":"1.0"},"canonical_sha256":"29dc997e16e82e3fc76bee1e876f21a7b0412f375bc832e43997ec3f593027f3","source":{"kind":"arxiv","id":"1701.06133","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1701.06133","created_at":"2026-05-18T00:47:04Z"},{"alias_kind":"arxiv_version","alias_value":"1701.06133v1","created_at":"2026-05-18T00:47:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1701.06133","created_at":"2026-05-18T00:47:04Z"},{"alias_kind":"pith_short_12","alias_value":"FHOJS7QW5AXD","created_at":"2026-05-18T12:31:15Z"},{"alias_kind":"pith_short_16","alias_value":"FHOJS7QW5AXD7R3L","created_at":"2026-05-18T12:31:15Z"},{"alias_kind":"pith_short_8","alias_value":"FHOJS7QW","created_at":"2026-05-18T12:31:15Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:FHOJS7QW5AXD7R3L5YPIO3ZBU6","target":"record","payload":{"canonical_record":{"source":{"id":"1701.06133","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2017-01-22T07:38:59Z","cross_cats_sorted":[],"title_canon_sha256":"4c33581b3cc023487ae0983b0853d6320b34e337d88074a30e4f636a7e31a9f5","abstract_canon_sha256":"99b7902ea71bffdee0909489d4a9a88b6e31822c74ba63977de33018f8177b2f"},"schema_version":"1.0"},"canonical_sha256":"29dc997e16e82e3fc76bee1e876f21a7b0412f375bc832e43997ec3f593027f3","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:47:04.258421Z","signature_b64":"f/5pV/qzgE6HKUSn7Sdiv9HK8vxjUijYAGjRqnQfW54ZAGg7RZmFT+xKx28oW+AmK9WkjACcKJc6w0xIMhRfAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"29dc997e16e82e3fc76bee1e876f21a7b0412f375bc832e43997ec3f593027f3","last_reissued_at":"2026-05-18T00:47:04.257822Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:47:04.257822Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1701.06133","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":"2026-05-18T00:47:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+ddF0z/QrSEdwt4LWOfdqoQP8BapAvnKSlnKJPal+dM1FQ3oUJRfN0gExkQCEQ42xKVZaWPxjq+uqRjPvoSgDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T21:50:00.586915Z"},"content_sha256":"dfc12407fbfb1b0f60b1df6f7793bbe5093b875b1d7d4f9dd3ab755ae3bdd3a7","schema_version":"1.0","event_id":"sha256:dfc12407fbfb1b0f60b1df6f7793bbe5093b875b1d7d4f9dd3ab755ae3bdd3a7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:FHOJS7QW5AXD7R3L5YPIO3ZBU6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Chiral topological insulating phases from three-dimensional nodal loop semimetals","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Chuanhao Yin, Linhu Li, Miguel A. N. Ara\\'ujo, Shu Chen","submitted_at":"2017-01-22T07:38:59Z","abstract_excerpt":"We identify a topological Z index for three dimensional chiral insulators with P*T symmetry where two Hamiltonian terms define a nodal loop. Such systems may belong in the AIII or DIII symmetry class. The Z invariant is a winding number assigned to the nodal loop and has a correspondence to the geometric relation between the nodal loop and the zeroes of the gap terms. Dirac cone edge states under open boundary conditions are in correspondence with the winding numbers assigned to the nodal loops. We verify our method with the low-energy effective Hamiltonian of a three-dimensional material of t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1701.06133","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":"2026-05-18T00:47:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"11+EUHFB5H+67z1fHLu4tTlhfOtjaxIEro5qRoTnsyMvtzpMsAcxf+h0fPS9CAyTWbycxyR34bHZZ8IdawwEBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T21:50:00.587576Z"},"content_sha256":"95618fe22cf2ccd3d25297505861c9bc5ffb6101f56637e0d3f26ec53ee62b17","schema_version":"1.0","event_id":"sha256:95618fe22cf2ccd3d25297505861c9bc5ffb6101f56637e0d3f26ec53ee62b17"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/FHOJS7QW5AXD7R3L5YPIO3ZBU6/bundle.json","state_url":"https://pith.science/pith/FHOJS7QW5AXD7R3L5YPIO3ZBU6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/FHOJS7QW5AXD7R3L5YPIO3ZBU6/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":"2026-05-27T21:50:00Z","links":{"resolver":"https://pith.science/pith/FHOJS7QW5AXD7R3L5YPIO3ZBU6","bundle":"https://pith.science/pith/FHOJS7QW5AXD7R3L5YPIO3ZBU6/bundle.json","state":"https://pith.science/pith/FHOJS7QW5AXD7R3L5YPIO3ZBU6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/FHOJS7QW5AXD7R3L5YPIO3ZBU6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:FHOJS7QW5AXD7R3L5YPIO3ZBU6","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":"99b7902ea71bffdee0909489d4a9a88b6e31822c74ba63977de33018f8177b2f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2017-01-22T07:38:59Z","title_canon_sha256":"4c33581b3cc023487ae0983b0853d6320b34e337d88074a30e4f636a7e31a9f5"},"schema_version":"1.0","source":{"id":"1701.06133","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1701.06133","created_at":"2026-05-18T00:47:04Z"},{"alias_kind":"arxiv_version","alias_value":"1701.06133v1","created_at":"2026-05-18T00:47:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1701.06133","created_at":"2026-05-18T00:47:04Z"},{"alias_kind":"pith_short_12","alias_value":"FHOJS7QW5AXD","created_at":"2026-05-18T12:31:15Z"},{"alias_kind":"pith_short_16","alias_value":"FHOJS7QW5AXD7R3L","created_at":"2026-05-18T12:31:15Z"},{"alias_kind":"pith_short_8","alias_value":"FHOJS7QW","created_at":"2026-05-18T12:31:15Z"}],"graph_snapshots":[{"event_id":"sha256:95618fe22cf2ccd3d25297505861c9bc5ffb6101f56637e0d3f26ec53ee62b17","target":"graph","created_at":"2026-05-18T00:47:04Z","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 identify a topological Z index for three dimensional chiral insulators with P*T symmetry where two Hamiltonian terms define a nodal loop. Such systems may belong in the AIII or DIII symmetry class. The Z invariant is a winding number assigned to the nodal loop and has a correspondence to the geometric relation between the nodal loop and the zeroes of the gap terms. Dirac cone edge states under open boundary conditions are in correspondence with the winding numbers assigned to the nodal loops. We verify our method with the low-energy effective Hamiltonian of a three-dimensional material of t","authors_text":"Chuanhao Yin, Linhu Li, Miguel A. N. Ara\\'ujo, Shu Chen","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2017-01-22T07:38:59Z","title":"Chiral topological insulating phases from three-dimensional nodal loop semimetals"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1701.06133","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:dfc12407fbfb1b0f60b1df6f7793bbe5093b875b1d7d4f9dd3ab755ae3bdd3a7","target":"record","created_at":"2026-05-18T00:47:04Z","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":"99b7902ea71bffdee0909489d4a9a88b6e31822c74ba63977de33018f8177b2f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2017-01-22T07:38:59Z","title_canon_sha256":"4c33581b3cc023487ae0983b0853d6320b34e337d88074a30e4f636a7e31a9f5"},"schema_version":"1.0","source":{"id":"1701.06133","kind":"arxiv","version":1}},"canonical_sha256":"29dc997e16e82e3fc76bee1e876f21a7b0412f375bc832e43997ec3f593027f3","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"29dc997e16e82e3fc76bee1e876f21a7b0412f375bc832e43997ec3f593027f3","first_computed_at":"2026-05-18T00:47:04.257822Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:47:04.257822Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"f/5pV/qzgE6HKUSn7Sdiv9HK8vxjUijYAGjRqnQfW54ZAGg7RZmFT+xKx28oW+AmK9WkjACcKJc6w0xIMhRfAg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:47:04.258421Z","signed_message":"canonical_sha256_bytes"},"source_id":"1701.06133","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:dfc12407fbfb1b0f60b1df6f7793bbe5093b875b1d7d4f9dd3ab755ae3bdd3a7","sha256:95618fe22cf2ccd3d25297505861c9bc5ffb6101f56637e0d3f26ec53ee62b17"],"state_sha256":"7f39613da7eb9ea74c1da633452d0f12d7e33553d4eeea3f3493497fbfbb2470"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uDHp3UM1ofgfJjnZpfhn8Glo0Yd/7MM+9j+0DzZBQj+ehtHp4dMgfVP6x9Tg58EG+aXQwTyFevGlA7d5x6NSBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T21:50:00.590776Z","bundle_sha256":"fc45ada99588c6cc780d6aedd67c2a5af046e43fc0968885f74b99fdc806f99b"}}