{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:X37YPFKZVXZW4WGZI4LSSJS4JZ","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":"ed7ebcfed9e91971769e9e8812387696ce4f5094abe47462e507146c04e29485","cross_cats_sorted":["cond-mat.mtrl-sci","cond-mat.soft"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2016-04-04T20:00:11Z","title_canon_sha256":"1ac47d12f18f21c92d2c9eee67897df159892681efabb7e4739c2e865cfcaa01"},"schema_version":"1.0","source":{"id":"1604.01033","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1604.01033","created_at":"2026-05-18T01:06:28Z"},{"alias_kind":"arxiv_version","alias_value":"1604.01033v1","created_at":"2026-05-18T01:06:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1604.01033","created_at":"2026-05-18T01:06:28Z"},{"alias_kind":"pith_short_12","alias_value":"X37YPFKZVXZW","created_at":"2026-05-18T12:30:51Z"},{"alias_kind":"pith_short_16","alias_value":"X37YPFKZVXZW4WGZ","created_at":"2026-05-18T12:30:51Z"},{"alias_kind":"pith_short_8","alias_value":"X37YPFKZ","created_at":"2026-05-18T12:30:51Z"}],"graph_snapshots":[{"event_id":"sha256:e5d10701d18b16ac0d538fe59ba80d8ed6b91a496226dfa07644cf0a1b29f95b","target":"graph","created_at":"2026-05-18T01:06:28Z","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":"Topological phononic crystals, alike their electronic counterparts, are characterized by a bulk-edge correspondence where the interior of a material dictates the existence of stable surface or boundary modes. In the mechanical setup, such surface modes can be used for various applications such as wave-guiding, vibration isolation, or the design of static properties such as stable floppy modes where parts of a system move freely. Here, we provide a classification scheme of topological phonons based on local symmetries. We import and adapt the classification of non-interacting electron systems a","authors_text":"Roman S\\\"usstrunk, Sebastian D. Huber","cross_cats":["cond-mat.mtrl-sci","cond-mat.soft"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2016-04-04T20:00:11Z","title":"Classification of topological phonons in linear mechanical metamaterials"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1604.01033","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":"sha256:18501e117078083f4bbd707f77c2a296531aa6da11256254ba21941c3bdf02f5","target":"record","created_at":"2026-05-18T01:06:28Z","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":"ed7ebcfed9e91971769e9e8812387696ce4f5094abe47462e507146c04e29485","cross_cats_sorted":["cond-mat.mtrl-sci","cond-mat.soft"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2016-04-04T20:00:11Z","title_canon_sha256":"1ac47d12f18f21c92d2c9eee67897df159892681efabb7e4739c2e865cfcaa01"},"schema_version":"1.0","source":{"id":"1604.01033","kind":"arxiv","version":1}},"canonical_sha256":"beff879559adf36e58d9471729265c4e49e903f830badc33b2c6f44881a7b430","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"beff879559adf36e58d9471729265c4e49e903f830badc33b2c6f44881a7b430","first_computed_at":"2026-05-18T01:06:28.721643Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:06:28.721643Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"YBpkUYQj8wfXjiZjTXU0j63S6wODlzoihNb/FPEFvTiXq2DphNoj3aGpug24F0NvMyfqgBESsgIfurx2U2UsDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:06:28.722386Z","signed_message":"canonical_sha256_bytes"},"source_id":"1604.01033","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:18501e117078083f4bbd707f77c2a296531aa6da11256254ba21941c3bdf02f5","sha256:e5d10701d18b16ac0d538fe59ba80d8ed6b91a496226dfa07644cf0a1b29f95b"],"state_sha256":"b748e329faa70c4361e3d289f90045c1e712bcc72a5738b897bda8211112b0a9"}