{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:RTSYT6NL7REJVHM7ZTOSHJJIN7","short_pith_number":"pith:RTSYT6NL","canonical_record":{"source":{"id":"1902.02066","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2019-02-06T08:55:07Z","cross_cats_sorted":[],"title_canon_sha256":"141f5cafc834a2d528b2d9cc900e33d3aa0ba1edf80dd02f6de19a1198aae3b6","abstract_canon_sha256":"1318e0896670188768ae4f1c59615a9f63e018136095feb004af393e89576a80"},"schema_version":"1.0"},"canonical_sha256":"8ce589f9abfc489a9d9fccdd23a5286fd9020a15426dd178c703b6ac71c54fa0","source":{"kind":"arxiv","id":"1902.02066","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1902.02066","created_at":"2026-05-17T23:44:55Z"},{"alias_kind":"arxiv_version","alias_value":"1902.02066v2","created_at":"2026-05-17T23:44:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1902.02066","created_at":"2026-05-17T23:44:55Z"},{"alias_kind":"pith_short_12","alias_value":"RTSYT6NL7REJ","created_at":"2026-05-18T12:33:27Z"},{"alias_kind":"pith_short_16","alias_value":"RTSYT6NL7REJVHM7","created_at":"2026-05-18T12:33:27Z"},{"alias_kind":"pith_short_8","alias_value":"RTSYT6NL","created_at":"2026-05-18T12:33:27Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:RTSYT6NL7REJVHM7ZTOSHJJIN7","target":"record","payload":{"canonical_record":{"source":{"id":"1902.02066","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2019-02-06T08:55:07Z","cross_cats_sorted":[],"title_canon_sha256":"141f5cafc834a2d528b2d9cc900e33d3aa0ba1edf80dd02f6de19a1198aae3b6","abstract_canon_sha256":"1318e0896670188768ae4f1c59615a9f63e018136095feb004af393e89576a80"},"schema_version":"1.0"},"canonical_sha256":"8ce589f9abfc489a9d9fccdd23a5286fd9020a15426dd178c703b6ac71c54fa0","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:44:55.430280Z","signature_b64":"QuO98nrYfr6zv3PLlYQnCtJeNut/HX99dISlS0H63oXE5lGfsYPQ/dAHcRgs2aSDQoyQPeKKsplKE/IjgfB5BQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8ce589f9abfc489a9d9fccdd23a5286fd9020a15426dd178c703b6ac71c54fa0","last_reissued_at":"2026-05-17T23:44:55.429788Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:44:55.429788Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1902.02066","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":"2026-05-17T23:44:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MgiCRjEJtWSHKBnSw4Eq+Rf7/hcT2mEyare3XYZ07MmQfm+TfyptN5H+m1PJ972vEWcbHieqiJoHAB2QYWhTBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-11T19:54:52.965106Z"},"content_sha256":"400e08fa69721c80e36c7ebff98a9c381ed278bb02e2162a4be8e8ae76a5b7d0","schema_version":"1.0","event_id":"sha256:400e08fa69721c80e36c7ebff98a9c381ed278bb02e2162a4be8e8ae76a5b7d0"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:RTSYT6NL7REJVHM7ZTOSHJJIN7","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Topological band structure of surface acoustic waves on a periodically corrugated surface","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Shuichi Murakami, Tomohiro Inoue","submitted_at":"2019-02-06T08:55:07Z","abstract_excerpt":"Surface acoustic waves (SAWs) are elastic waves localized on a surface of an elastic body. We theoretically study topological edge modes of SAWs for a corrugated surface. We introduce a corrugation forming a triangular lattice on the surface of an elastic body. We treat the corrugation as a perturbation, and construct eigenmodes on a corrugated surface by superposing those for the flat surface at wavevectors which are mutually different by reciprocal lattice vectors. We thereby show emergence of Dirac cones at the $K$ and $K'$ points analytically. Moreover, by breaking the time-reversal symmet"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1902.02066","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":"2026-05-17T23:44:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ml2WWllGXstOx41coybL5sIFGe1HVOCGk4xXNzDfP70IQ9cIRAHGFKSm5i5qJ4/MN940b/aKvB0bo0Tuv5vQCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-11T19:54:52.965792Z"},"content_sha256":"343726407e4fb6c231b0b3ea168e0a0ea279503497731b7b3bfb915cb8fecd4e","schema_version":"1.0","event_id":"sha256:343726407e4fb6c231b0b3ea168e0a0ea279503497731b7b3bfb915cb8fecd4e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/RTSYT6NL7REJVHM7ZTOSHJJIN7/bundle.json","state_url":"https://pith.science/pith/RTSYT6NL7REJVHM7ZTOSHJJIN7/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/RTSYT6NL7REJVHM7ZTOSHJJIN7/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":"2026-06-11T19:54:52Z","links":{"resolver":"https://pith.science/pith/RTSYT6NL7REJVHM7ZTOSHJJIN7","bundle":"https://pith.science/pith/RTSYT6NL7REJVHM7ZTOSHJJIN7/bundle.json","state":"https://pith.science/pith/RTSYT6NL7REJVHM7ZTOSHJJIN7/state.json","well_known_bundle":"https://pith.science/.well-known/pith/RTSYT6NL7REJVHM7ZTOSHJJIN7/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:RTSYT6NL7REJVHM7ZTOSHJJIN7","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":"1318e0896670188768ae4f1c59615a9f63e018136095feb004af393e89576a80","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2019-02-06T08:55:07Z","title_canon_sha256":"141f5cafc834a2d528b2d9cc900e33d3aa0ba1edf80dd02f6de19a1198aae3b6"},"schema_version":"1.0","source":{"id":"1902.02066","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1902.02066","created_at":"2026-05-17T23:44:55Z"},{"alias_kind":"arxiv_version","alias_value":"1902.02066v2","created_at":"2026-05-17T23:44:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1902.02066","created_at":"2026-05-17T23:44:55Z"},{"alias_kind":"pith_short_12","alias_value":"RTSYT6NL7REJ","created_at":"2026-05-18T12:33:27Z"},{"alias_kind":"pith_short_16","alias_value":"RTSYT6NL7REJVHM7","created_at":"2026-05-18T12:33:27Z"},{"alias_kind":"pith_short_8","alias_value":"RTSYT6NL","created_at":"2026-05-18T12:33:27Z"}],"graph_snapshots":[{"event_id":"sha256:343726407e4fb6c231b0b3ea168e0a0ea279503497731b7b3bfb915cb8fecd4e","target":"graph","created_at":"2026-05-17T23:44:55Z","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":"Surface acoustic waves (SAWs) are elastic waves localized on a surface of an elastic body. We theoretically study topological edge modes of SAWs for a corrugated surface. We introduce a corrugation forming a triangular lattice on the surface of an elastic body. We treat the corrugation as a perturbation, and construct eigenmodes on a corrugated surface by superposing those for the flat surface at wavevectors which are mutually different by reciprocal lattice vectors. We thereby show emergence of Dirac cones at the $K$ and $K'$ points analytically. Moreover, by breaking the time-reversal symmet","authors_text":"Shuichi Murakami, Tomohiro Inoue","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2019-02-06T08:55:07Z","title":"Topological band structure of surface acoustic waves on a periodically corrugated surface"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1902.02066","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":"sha256:400e08fa69721c80e36c7ebff98a9c381ed278bb02e2162a4be8e8ae76a5b7d0","target":"record","created_at":"2026-05-17T23:44:55Z","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":"1318e0896670188768ae4f1c59615a9f63e018136095feb004af393e89576a80","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2019-02-06T08:55:07Z","title_canon_sha256":"141f5cafc834a2d528b2d9cc900e33d3aa0ba1edf80dd02f6de19a1198aae3b6"},"schema_version":"1.0","source":{"id":"1902.02066","kind":"arxiv","version":2}},"canonical_sha256":"8ce589f9abfc489a9d9fccdd23a5286fd9020a15426dd178c703b6ac71c54fa0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8ce589f9abfc489a9d9fccdd23a5286fd9020a15426dd178c703b6ac71c54fa0","first_computed_at":"2026-05-17T23:44:55.429788Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:44:55.429788Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"QuO98nrYfr6zv3PLlYQnCtJeNut/HX99dISlS0H63oXE5lGfsYPQ/dAHcRgs2aSDQoyQPeKKsplKE/IjgfB5BQ==","signature_status":"signed_v1","signed_at":"2026-05-17T23:44:55.430280Z","signed_message":"canonical_sha256_bytes"},"source_id":"1902.02066","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:400e08fa69721c80e36c7ebff98a9c381ed278bb02e2162a4be8e8ae76a5b7d0","sha256:343726407e4fb6c231b0b3ea168e0a0ea279503497731b7b3bfb915cb8fecd4e"],"state_sha256":"52132fd70a40ab987c4e2bdc0782405a5125338ae5fd23784e1b620b35e94b66"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6pV3chLBnQ0De+4NPXUr2f4jvQzsYt3PJmWXqnmsTlY/+6kwBnYsYZPUIq9A/icavJsmRaipOMn3IFLjTpqCDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-11T19:54:52.969714Z","bundle_sha256":"93d2dcf5d13e54ef19757f3edf2b683ec33c98254ad76683cbf97f5567c5d5f1"}}