{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:NUIAE7AF52YXRHBZCLKGFNW57N","short_pith_number":"pith:NUIAE7AF","canonical_record":{"source":{"id":"1906.06888","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2019-06-17T08:19:16Z","cross_cats_sorted":[],"title_canon_sha256":"075a9e9693c0090964bf5f0110defc82130b86238a0cba800d8c05931a7e2739","abstract_canon_sha256":"6017d57c492193ee3811f3ee01f8ff974753fee9e43f6c0c043c51c93ae02037"},"schema_version":"1.0"},"canonical_sha256":"6d10027c05eeb1789c3912d462b6ddfb5bf4f8c92c4b084cf2b8abd6071e33d0","source":{"kind":"arxiv","id":"1906.06888","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1906.06888","created_at":"2026-05-17T23:39:43Z"},{"alias_kind":"arxiv_version","alias_value":"1906.06888v1","created_at":"2026-05-17T23:39:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1906.06888","created_at":"2026-05-17T23:39:43Z"},{"alias_kind":"pith_short_12","alias_value":"NUIAE7AF52YX","created_at":"2026-05-18T12:33:24Z"},{"alias_kind":"pith_short_16","alias_value":"NUIAE7AF52YXRHBZ","created_at":"2026-05-18T12:33:24Z"},{"alias_kind":"pith_short_8","alias_value":"NUIAE7AF","created_at":"2026-05-18T12:33:24Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:NUIAE7AF52YXRHBZCLKGFNW57N","target":"record","payload":{"canonical_record":{"source":{"id":"1906.06888","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2019-06-17T08:19:16Z","cross_cats_sorted":[],"title_canon_sha256":"075a9e9693c0090964bf5f0110defc82130b86238a0cba800d8c05931a7e2739","abstract_canon_sha256":"6017d57c492193ee3811f3ee01f8ff974753fee9e43f6c0c043c51c93ae02037"},"schema_version":"1.0"},"canonical_sha256":"6d10027c05eeb1789c3912d462b6ddfb5bf4f8c92c4b084cf2b8abd6071e33d0","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:39:43.071514Z","signature_b64":"NxnChY+v191ka5Zq9BTS4ayLMCUUbEyLaHUpHgFsjtJWtmVDbvBsL6odZtK3SnbH2M+tZDt06JJGHMaQcv7TCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6d10027c05eeb1789c3912d462b6ddfb5bf4f8c92c4b084cf2b8abd6071e33d0","last_reissued_at":"2026-05-17T23:39:43.070986Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:39:43.070986Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1906.06888","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":"2026-05-17T23:39:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Qt95g7vdQsRjIL6NwT4RU1VtY2ZcEZ+im0tTusUxg9+Pmc6HHYGxoqXNwXZfGKIK4SWcOSbHWinMCN9T3BxACw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T21:45:39.979841Z"},"content_sha256":"7831b10c6c9a38f10b929dd7d87c2c38c4f472259c3b3792cd813be432fff49c","schema_version":"1.0","event_id":"sha256:7831b10c6c9a38f10b929dd7d87c2c38c4f472259c3b3792cd813be432fff49c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:NUIAE7AF52YXRHBZCLKGFNW57N","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Infrared spectroscopy study of the nodal-line semimetal candidate ZrSiTe under pressure: Hints for pressure-induced phase transitions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"C. A. Kuntscher, J. Ebad-Allah, J. Hu, M. Krottenm\\\"uller, Y. L. Zhu, Z. Q. Mao","submitted_at":"2019-06-17T08:19:16Z","abstract_excerpt":"We studied the effect of external pressure on the optical response of the nodal-line semimetal candidate ZrSiTe by reflectivity measurements. At pressures of a few GPa, the reflectivity, optical conductivity, and loss function are strongly affected in the whole measured frequency range (200-16500 cm$^{-1}$), indicating drastic changes in the electronic band structure. The pressure-induced shift of the electronic bands affects both the intraband and interband transitions. We find anomalies in the pressure dependence of several optical parameters at the pressures $P_{c1}$$\\approx$4.1 GPa and $P_"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1906.06888","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":"2026-05-17T23:39:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uT690Cb2Z+7MHSGmDyVda4SgN5FNEDbRPhq38S75+a6CuoA9x8JDlQiYuI2ivPMHY4WAUz9DSErGSDGBM5AHAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T21:45:39.980523Z"},"content_sha256":"7a9388063a3766e4f4576a3584ea8c6186952e878fc8597af2b94e3fc807f6ec","schema_version":"1.0","event_id":"sha256:7a9388063a3766e4f4576a3584ea8c6186952e878fc8597af2b94e3fc807f6ec"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/NUIAE7AF52YXRHBZCLKGFNW57N/bundle.json","state_url":"https://pith.science/pith/NUIAE7AF52YXRHBZCLKGFNW57N/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/NUIAE7AF52YXRHBZCLKGFNW57N/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":"2026-05-28T21:45:39Z","links":{"resolver":"https://pith.science/pith/NUIAE7AF52YXRHBZCLKGFNW57N","bundle":"https://pith.science/pith/NUIAE7AF52YXRHBZCLKGFNW57N/bundle.json","state":"https://pith.science/pith/NUIAE7AF52YXRHBZCLKGFNW57N/state.json","well_known_bundle":"https://pith.science/.well-known/pith/NUIAE7AF52YXRHBZCLKGFNW57N/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:NUIAE7AF52YXRHBZCLKGFNW57N","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":"6017d57c492193ee3811f3ee01f8ff974753fee9e43f6c0c043c51c93ae02037","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2019-06-17T08:19:16Z","title_canon_sha256":"075a9e9693c0090964bf5f0110defc82130b86238a0cba800d8c05931a7e2739"},"schema_version":"1.0","source":{"id":"1906.06888","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1906.06888","created_at":"2026-05-17T23:39:43Z"},{"alias_kind":"arxiv_version","alias_value":"1906.06888v1","created_at":"2026-05-17T23:39:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1906.06888","created_at":"2026-05-17T23:39:43Z"},{"alias_kind":"pith_short_12","alias_value":"NUIAE7AF52YX","created_at":"2026-05-18T12:33:24Z"},{"alias_kind":"pith_short_16","alias_value":"NUIAE7AF52YXRHBZ","created_at":"2026-05-18T12:33:24Z"},{"alias_kind":"pith_short_8","alias_value":"NUIAE7AF","created_at":"2026-05-18T12:33:24Z"}],"graph_snapshots":[{"event_id":"sha256:7a9388063a3766e4f4576a3584ea8c6186952e878fc8597af2b94e3fc807f6ec","target":"graph","created_at":"2026-05-17T23:39:43Z","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 studied the effect of external pressure on the optical response of the nodal-line semimetal candidate ZrSiTe by reflectivity measurements. At pressures of a few GPa, the reflectivity, optical conductivity, and loss function are strongly affected in the whole measured frequency range (200-16500 cm$^{-1}$), indicating drastic changes in the electronic band structure. The pressure-induced shift of the electronic bands affects both the intraband and interband transitions. We find anomalies in the pressure dependence of several optical parameters at the pressures $P_{c1}$$\\approx$4.1 GPa and $P_","authors_text":"C. A. Kuntscher, J. Ebad-Allah, J. Hu, M. Krottenm\\\"uller, Y. L. Zhu, Z. Q. Mao","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2019-06-17T08:19:16Z","title":"Infrared spectroscopy study of the nodal-line semimetal candidate ZrSiTe under pressure: Hints for pressure-induced phase transitions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1906.06888","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":"sha256:7831b10c6c9a38f10b929dd7d87c2c38c4f472259c3b3792cd813be432fff49c","target":"record","created_at":"2026-05-17T23:39:43Z","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":"6017d57c492193ee3811f3ee01f8ff974753fee9e43f6c0c043c51c93ae02037","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2019-06-17T08:19:16Z","title_canon_sha256":"075a9e9693c0090964bf5f0110defc82130b86238a0cba800d8c05931a7e2739"},"schema_version":"1.0","source":{"id":"1906.06888","kind":"arxiv","version":1}},"canonical_sha256":"6d10027c05eeb1789c3912d462b6ddfb5bf4f8c92c4b084cf2b8abd6071e33d0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6d10027c05eeb1789c3912d462b6ddfb5bf4f8c92c4b084cf2b8abd6071e33d0","first_computed_at":"2026-05-17T23:39:43.070986Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:39:43.070986Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"NxnChY+v191ka5Zq9BTS4ayLMCUUbEyLaHUpHgFsjtJWtmVDbvBsL6odZtK3SnbH2M+tZDt06JJGHMaQcv7TCw==","signature_status":"signed_v1","signed_at":"2026-05-17T23:39:43.071514Z","signed_message":"canonical_sha256_bytes"},"source_id":"1906.06888","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7831b10c6c9a38f10b929dd7d87c2c38c4f472259c3b3792cd813be432fff49c","sha256:7a9388063a3766e4f4576a3584ea8c6186952e878fc8597af2b94e3fc807f6ec"],"state_sha256":"a9d3871390365f3e7ad452a737d171ccabd85a985142bfc4ae8690783de5d629"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PVMCTV8P5pdmbHLxMttuG/lxSQmp7WkOe7Uvi5uXmX0hsJStnoQjAAAxM1jZV1qXwQGDwrHO31kgNBceaDINBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T21:45:39.984060Z","bundle_sha256":"b9e795aa1b563a8fa843647d507b0891c2db33562e1c151d61853369b2171f4c"}}