{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:APQGEIU6OUYMVUZ6XOSM425QFE","short_pith_number":"pith:APQGEIU6","canonical_record":{"source":{"id":"1506.03559","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2015-06-11T06:23:47Z","cross_cats_sorted":[],"title_canon_sha256":"42143336bd070201af8ec6c698d1b2b40606958fe9eb4c16ef1aab93bce18599","abstract_canon_sha256":"ab3e7529faaf13ac2b790a767e9c4eafb1526ca0b37b8d26cf47289f6b9cb56c"},"schema_version":"1.0"},"canonical_sha256":"03e062229e7530cad33ebba4ce6bb0293b6f0bc0984f4d2fe98f1a271980e091","source":{"kind":"arxiv","id":"1506.03559","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1506.03559","created_at":"2026-05-18T01:19:30Z"},{"alias_kind":"arxiv_version","alias_value":"1506.03559v2","created_at":"2026-05-18T01:19:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1506.03559","created_at":"2026-05-18T01:19:30Z"},{"alias_kind":"pith_short_12","alias_value":"APQGEIU6OUYM","created_at":"2026-05-18T12:29:10Z"},{"alias_kind":"pith_short_16","alias_value":"APQGEIU6OUYMVUZ6","created_at":"2026-05-18T12:29:10Z"},{"alias_kind":"pith_short_8","alias_value":"APQGEIU6","created_at":"2026-05-18T12:29:10Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:APQGEIU6OUYMVUZ6XOSM425QFE","target":"record","payload":{"canonical_record":{"source":{"id":"1506.03559","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2015-06-11T06:23:47Z","cross_cats_sorted":[],"title_canon_sha256":"42143336bd070201af8ec6c698d1b2b40606958fe9eb4c16ef1aab93bce18599","abstract_canon_sha256":"ab3e7529faaf13ac2b790a767e9c4eafb1526ca0b37b8d26cf47289f6b9cb56c"},"schema_version":"1.0"},"canonical_sha256":"03e062229e7530cad33ebba4ce6bb0293b6f0bc0984f4d2fe98f1a271980e091","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:19:30.144226Z","signature_b64":"QXn121AfqriPhoLW5WJlz5bj32uqcrdsTMaGtmjwfLbKk51MnJoSI4uTYzYDluJQ/ZqGf5Vpc6mRhwJXMPLwCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"03e062229e7530cad33ebba4ce6bb0293b6f0bc0984f4d2fe98f1a271980e091","last_reissued_at":"2026-05-18T01:19:30.143641Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:19:30.143641Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1506.03559","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":"2026-05-18T01:19:30Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bGIVyTNTczNQ9QGNH+WMmX1B8DeHNzuFNFMpyga9o6fm52A7CuMr2oZDNVOrRZuQ6BvJGVOFW7Zc3wORABOhBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T19:18:02.716614Z"},"content_sha256":"20c9fca2fa5f31913a5ec5497365dd26962ee791a4690b4fa36df3447fba838d","schema_version":"1.0","event_id":"sha256:20c9fca2fa5f31913a5ec5497365dd26962ee791a4690b4fa36df3447fba838d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:APQGEIU6OUYMVUZ6XOSM425QFE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Strain-induced nonsymmorphic symmetry breaking and removal of Dirac semimetallic nodal line in an orthoperovskite iridate","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"A. Vishwanath, C. Frontera, C. Rayan Serrao, D. Kriegner, D. Puggioni, D. Yi, Jian Liu, J. M. Rondinelli, L. Horak, R. Chen, R. Ramesh, V. Holy, X. Marti","submitted_at":"2015-06-11T06:23:47Z","abstract_excerpt":"By using a combination of heteroepitaxial growth, structure refinement based on synchrotron x-ray diffraction and first-principles calculations, we show that the symmetry-protected Dirac line nodes in the topological semimetallic perovskite SrIrO3 can be lifted simply by applying epitaxial constraints. In particular, the Dirac gap opens without breaking the Pbnm mirror symmetry. In virtue of a symmetry-breaking analysis, we demonstrate that the original symmetry protection is related to the n-glide operation, which can be selectively broken by different heteroepitaxial structures. This symmetr"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1506.03559","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":""},"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":"2026-05-18T01:19:30Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mUaAofkDbfKr0CdKKttE94lit+ZolDS1MUVNyzkCywnQbOXbgjZMtQyzPO/fh40J1l6JZPhPz/NXxZF0A1y+Dg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T19:18:02.717332Z"},"content_sha256":"4f9e419872520f8bc2bca5c0deae894612291e553a366720e2b00c71f70d4c98","schema_version":"1.0","event_id":"sha256:4f9e419872520f8bc2bca5c0deae894612291e553a366720e2b00c71f70d4c98"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/APQGEIU6OUYMVUZ6XOSM425QFE/bundle.json","state_url":"https://pith.science/pith/APQGEIU6OUYMVUZ6XOSM425QFE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/APQGEIU6OUYMVUZ6XOSM425QFE/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":"2026-05-27T19:18:02Z","links":{"resolver":"https://pith.science/pith/APQGEIU6OUYMVUZ6XOSM425QFE","bundle":"https://pith.science/pith/APQGEIU6OUYMVUZ6XOSM425QFE/bundle.json","state":"https://pith.science/pith/APQGEIU6OUYMVUZ6XOSM425QFE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/APQGEIU6OUYMVUZ6XOSM425QFE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:APQGEIU6OUYMVUZ6XOSM425QFE","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":"ab3e7529faaf13ac2b790a767e9c4eafb1526ca0b37b8d26cf47289f6b9cb56c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2015-06-11T06:23:47Z","title_canon_sha256":"42143336bd070201af8ec6c698d1b2b40606958fe9eb4c16ef1aab93bce18599"},"schema_version":"1.0","source":{"id":"1506.03559","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1506.03559","created_at":"2026-05-18T01:19:30Z"},{"alias_kind":"arxiv_version","alias_value":"1506.03559v2","created_at":"2026-05-18T01:19:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1506.03559","created_at":"2026-05-18T01:19:30Z"},{"alias_kind":"pith_short_12","alias_value":"APQGEIU6OUYM","created_at":"2026-05-18T12:29:10Z"},{"alias_kind":"pith_short_16","alias_value":"APQGEIU6OUYMVUZ6","created_at":"2026-05-18T12:29:10Z"},{"alias_kind":"pith_short_8","alias_value":"APQGEIU6","created_at":"2026-05-18T12:29:10Z"}],"graph_snapshots":[{"event_id":"sha256:4f9e419872520f8bc2bca5c0deae894612291e553a366720e2b00c71f70d4c98","target":"graph","created_at":"2026-05-18T01:19:30Z","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":"By using a combination of heteroepitaxial growth, structure refinement based on synchrotron x-ray diffraction and first-principles calculations, we show that the symmetry-protected Dirac line nodes in the topological semimetallic perovskite SrIrO3 can be lifted simply by applying epitaxial constraints. In particular, the Dirac gap opens without breaking the Pbnm mirror symmetry. In virtue of a symmetry-breaking analysis, we demonstrate that the original symmetry protection is related to the n-glide operation, which can be selectively broken by different heteroepitaxial structures. This symmetr","authors_text":"A. Vishwanath, C. Frontera, C. Rayan Serrao, D. Kriegner, D. Puggioni, D. Yi, Jian Liu, J. M. Rondinelli, L. Horak, R. Chen, R. Ramesh, V. Holy, X. Marti","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2015-06-11T06:23:47Z","title":"Strain-induced nonsymmorphic symmetry breaking and removal of Dirac semimetallic nodal line in an orthoperovskite iridate"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1506.03559","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":"sha256:20c9fca2fa5f31913a5ec5497365dd26962ee791a4690b4fa36df3447fba838d","target":"record","created_at":"2026-05-18T01:19:30Z","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":"ab3e7529faaf13ac2b790a767e9c4eafb1526ca0b37b8d26cf47289f6b9cb56c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2015-06-11T06:23:47Z","title_canon_sha256":"42143336bd070201af8ec6c698d1b2b40606958fe9eb4c16ef1aab93bce18599"},"schema_version":"1.0","source":{"id":"1506.03559","kind":"arxiv","version":2}},"canonical_sha256":"03e062229e7530cad33ebba4ce6bb0293b6f0bc0984f4d2fe98f1a271980e091","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"03e062229e7530cad33ebba4ce6bb0293b6f0bc0984f4d2fe98f1a271980e091","first_computed_at":"2026-05-18T01:19:30.143641Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:19:30.143641Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"QXn121AfqriPhoLW5WJlz5bj32uqcrdsTMaGtmjwfLbKk51MnJoSI4uTYzYDluJQ/ZqGf5Vpc6mRhwJXMPLwCg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:19:30.144226Z","signed_message":"canonical_sha256_bytes"},"source_id":"1506.03559","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:20c9fca2fa5f31913a5ec5497365dd26962ee791a4690b4fa36df3447fba838d","sha256:4f9e419872520f8bc2bca5c0deae894612291e553a366720e2b00c71f70d4c98"],"state_sha256":"f43dd85fc65ae9ca4e8fbadeaf53732687e82d28d9752cbbac2563d66dae16ef"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0kR29WA9+nPHwD5B4I8aiACTkvYtWelKCzveKDtk//2iM49H5fl5VnppiD7+CWvKcESk6NzWCFHm7TBJLl7/Cg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T19:18:02.720807Z","bundle_sha256":"17645a326a19345867923fb6f5be27b0475acf3a2c55cb3965be4c3d886070f7"}}