{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:WHLERDYX7YBUA7MENL6S3MD4UM","short_pith_number":"pith:WHLERDYX","canonical_record":{"source":{"id":"1905.12578","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2019-05-29T16:49:24Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"6fd6d16a47e89c71c9c4cff3e6e45eada6af6b4683ca6039fe7bdeff1c1fa410","abstract_canon_sha256":"efd946b599f59cc48bb3365895ef9c9d8224157e140fa5cb6741facec371b750"},"schema_version":"1.0"},"canonical_sha256":"b1d6488f17fe03407d846afd2db07ca3200e5722086184cc7d370ee6f79c36ac","source":{"kind":"arxiv","id":"1905.12578","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1905.12578","created_at":"2026-07-05T01:20:10Z"},{"alias_kind":"arxiv_version","alias_value":"1905.12578v2","created_at":"2026-07-05T01:20:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1905.12578","created_at":"2026-07-05T01:20:10Z"},{"alias_kind":"pith_short_12","alias_value":"WHLERDYX7YBU","created_at":"2026-07-05T01:20:10Z"},{"alias_kind":"pith_short_16","alias_value":"WHLERDYX7YBUA7ME","created_at":"2026-07-05T01:20:10Z"},{"alias_kind":"pith_short_8","alias_value":"WHLERDYX","created_at":"2026-07-05T01:20:10Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:WHLERDYX7YBUA7MENL6S3MD4UM","target":"record","payload":{"canonical_record":{"source":{"id":"1905.12578","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2019-05-29T16:49:24Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"6fd6d16a47e89c71c9c4cff3e6e45eada6af6b4683ca6039fe7bdeff1c1fa410","abstract_canon_sha256":"efd946b599f59cc48bb3365895ef9c9d8224157e140fa5cb6741facec371b750"},"schema_version":"1.0"},"canonical_sha256":"b1d6488f17fe03407d846afd2db07ca3200e5722086184cc7d370ee6f79c36ac","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:20:10.773897Z","signature_b64":"V0LFAA6hK1azaDw4Tf6sNq6NStmg/ZAcmTKvugygne5Oj1WSS8yoPtms+iEmQTAHMWgbCSV+pkO54Z1+5R7iCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b1d6488f17fe03407d846afd2db07ca3200e5722086184cc7d370ee6f79c36ac","last_reissued_at":"2026-07-05T01:20:10.773399Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:20:10.773399Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1905.12578","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T01:20:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pqqhgVH2b5QPsqELjQbagnn9TK3Bp44JXap3qsZuZWLc3AnkXk99BeEoBV36dlFInTKhVPJZ/Kb0FKT5nRl8Cg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T10:35:10.226167Z"},"content_sha256":"76d15348207df708ea5c788b308f6eb9c0de67c6853bb7131458ad29563f3619","schema_version":"1.0","event_id":"sha256:76d15348207df708ea5c788b308f6eb9c0de67c6853bb7131458ad29563f3619"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:WHLERDYX7YBUA7MENL6S3MD4UM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Saddle-point von Hove singularity and dual topological insulator state in Pt$_2$HgSe$_3$","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"cond-mat.mes-hall","authors_text":"Amit Agarwal, Arun Bansil, Bahadur Singh, BaoKai Wang, Barun Ghosh, Chenliang Su, Hsin Lin, Sougata Mardanya, Tay-Rong Chang, Xiaoting Zhou","submitted_at":"2019-05-29T16:49:24Z","abstract_excerpt":"Saddle-point van Hove singularities in the topological surface states are interesting because they can provide a new pathway for accessing exotic correlated phenomena in topological materials. Here, based on first-principles calculations combined with a $\\mathbf {k \\cdot p}$ model Hamiltonian analysis, we show that the layered platinum mineral jacutingaite (Pt$_2$HgSe$_3$) harbours saddle-like topological surface states with associated van Hove singularities. Pt$_2$HgSe$_3$ is shown to host two distinct types of nodal lines without spin-orbit coupling (SOC) which are protected by combined inve"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1905.12578","kind":"arxiv","version":2},"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/1905.12578/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":"2026-07-05T01:20:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"idVm3q69dxec4s6cfmPJAm2VJiqMe+WCtOHjV3e9hWLw0yQyEWeX8kxzZVVD13jkm8kxYgPlwcId/HUwF67IDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T10:35:10.226641Z"},"content_sha256":"48282465f91b3edb88edfb3ceb7b918a470ee2da294e831682339f1ab9717c59","schema_version":"1.0","event_id":"sha256:48282465f91b3edb88edfb3ceb7b918a470ee2da294e831682339f1ab9717c59"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/WHLERDYX7YBUA7MENL6S3MD4UM/bundle.json","state_url":"https://pith.science/pith/WHLERDYX7YBUA7MENL6S3MD4UM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/WHLERDYX7YBUA7MENL6S3MD4UM/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":"2026-08-05T10:35:10Z","links":{"resolver":"https://pith.science/pith/WHLERDYX7YBUA7MENL6S3MD4UM","bundle":"https://pith.science/pith/WHLERDYX7YBUA7MENL6S3MD4UM/bundle.json","state":"https://pith.science/pith/WHLERDYX7YBUA7MENL6S3MD4UM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/WHLERDYX7YBUA7MENL6S3MD4UM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:WHLERDYX7YBUA7MENL6S3MD4UM","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":"efd946b599f59cc48bb3365895ef9c9d8224157e140fa5cb6741facec371b750","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2019-05-29T16:49:24Z","title_canon_sha256":"6fd6d16a47e89c71c9c4cff3e6e45eada6af6b4683ca6039fe7bdeff1c1fa410"},"schema_version":"1.0","source":{"id":"1905.12578","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1905.12578","created_at":"2026-07-05T01:20:10Z"},{"alias_kind":"arxiv_version","alias_value":"1905.12578v2","created_at":"2026-07-05T01:20:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1905.12578","created_at":"2026-07-05T01:20:10Z"},{"alias_kind":"pith_short_12","alias_value":"WHLERDYX7YBU","created_at":"2026-07-05T01:20:10Z"},{"alias_kind":"pith_short_16","alias_value":"WHLERDYX7YBUA7ME","created_at":"2026-07-05T01:20:10Z"},{"alias_kind":"pith_short_8","alias_value":"WHLERDYX","created_at":"2026-07-05T01:20:10Z"}],"graph_snapshots":[{"event_id":"sha256:48282465f91b3edb88edfb3ceb7b918a470ee2da294e831682339f1ab9717c59","target":"graph","created_at":"2026-07-05T01:20:10Z","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/1905.12578/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Saddle-point van Hove singularities in the topological surface states are interesting because they can provide a new pathway for accessing exotic correlated phenomena in topological materials. Here, based on first-principles calculations combined with a $\\mathbf {k \\cdot p}$ model Hamiltonian analysis, we show that the layered platinum mineral jacutingaite (Pt$_2$HgSe$_3$) harbours saddle-like topological surface states with associated van Hove singularities. Pt$_2$HgSe$_3$ is shown to host two distinct types of nodal lines without spin-orbit coupling (SOC) which are protected by combined inve","authors_text":"Amit Agarwal, Arun Bansil, Bahadur Singh, BaoKai Wang, Barun Ghosh, Chenliang Su, Hsin Lin, Sougata Mardanya, Tay-Rong Chang, Xiaoting Zhou","cross_cats":["cond-mat.mtrl-sci"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2019-05-29T16:49:24Z","title":"Saddle-point von Hove singularity and dual topological insulator state in Pt$_2$HgSe$_3$"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1905.12578","kind":"arxiv","version":2},"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":"sha256:76d15348207df708ea5c788b308f6eb9c0de67c6853bb7131458ad29563f3619","target":"record","created_at":"2026-07-05T01:20:10Z","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":"efd946b599f59cc48bb3365895ef9c9d8224157e140fa5cb6741facec371b750","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2019-05-29T16:49:24Z","title_canon_sha256":"6fd6d16a47e89c71c9c4cff3e6e45eada6af6b4683ca6039fe7bdeff1c1fa410"},"schema_version":"1.0","source":{"id":"1905.12578","kind":"arxiv","version":2}},"canonical_sha256":"b1d6488f17fe03407d846afd2db07ca3200e5722086184cc7d370ee6f79c36ac","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b1d6488f17fe03407d846afd2db07ca3200e5722086184cc7d370ee6f79c36ac","first_computed_at":"2026-07-05T01:20:10.773399Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:20:10.773399Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"V0LFAA6hK1azaDw4Tf6sNq6NStmg/ZAcmTKvugygne5Oj1WSS8yoPtms+iEmQTAHMWgbCSV+pkO54Z1+5R7iCg==","signature_status":"signed_v1","signed_at":"2026-07-05T01:20:10.773897Z","signed_message":"canonical_sha256_bytes"},"source_id":"1905.12578","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:76d15348207df708ea5c788b308f6eb9c0de67c6853bb7131458ad29563f3619","sha256:48282465f91b3edb88edfb3ceb7b918a470ee2da294e831682339f1ab9717c59"],"state_sha256":"23ca9e4f4c3d2c34dff04ba3a7d37c90485477d4481a2e1ff8cad0684d5d35ce"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gyGhXBagHaACJy/vO5H8sVDJm/TRV20gcEBFyFnjJqs2JmNBx8vIbDerDsR82cjax42LSYFfPwBP1OI6xVMNAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-05T10:35:10.231001Z","bundle_sha256":"3c05720598e97c998a48cf90732ffe2db19552397c8f8f46a6d6d7c9f2a96a3d"}}