{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:23VEMCLZQ4VHXR5RHB2OIBTSJN","short_pith_number":"pith:23VEMCLZ","canonical_record":{"source":{"id":"1802.02887","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-02-06T16:42:09Z","cross_cats_sorted":[],"title_canon_sha256":"854d66c59fe96a6eacc28fc3c424b6dbd24958d48b1ebfadd884362e067ed55a","abstract_canon_sha256":"3f9cf90030659e61fa85ea9be01a9f376a36648d08654b4ee344927f799a071a"},"schema_version":"1.0"},"canonical_sha256":"d6ea460979872a7bc7b13874e406724b6c4e6258276c18df2a97ac3945428da6","source":{"kind":"arxiv","id":"1802.02887","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1802.02887","created_at":"2026-05-18T00:04:23Z"},{"alias_kind":"arxiv_version","alias_value":"1802.02887v1","created_at":"2026-05-18T00:04:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1802.02887","created_at":"2026-05-18T00:04:23Z"},{"alias_kind":"pith_short_12","alias_value":"23VEMCLZQ4VH","created_at":"2026-05-18T12:31:59Z"},{"alias_kind":"pith_short_16","alias_value":"23VEMCLZQ4VHXR5R","created_at":"2026-05-18T12:31:59Z"},{"alias_kind":"pith_short_8","alias_value":"23VEMCLZ","created_at":"2026-05-18T12:31:59Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:23VEMCLZQ4VHXR5RHB2OIBTSJN","target":"record","payload":{"canonical_record":{"source":{"id":"1802.02887","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-02-06T16:42:09Z","cross_cats_sorted":[],"title_canon_sha256":"854d66c59fe96a6eacc28fc3c424b6dbd24958d48b1ebfadd884362e067ed55a","abstract_canon_sha256":"3f9cf90030659e61fa85ea9be01a9f376a36648d08654b4ee344927f799a071a"},"schema_version":"1.0"},"canonical_sha256":"d6ea460979872a7bc7b13874e406724b6c4e6258276c18df2a97ac3945428da6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:04:23.646337Z","signature_b64":"obANCD+sU1toDDd9G9ygKW/RNuLAzASdd3QCMUWCXcewVeWCxOFmn6msMJDIiMqsRH8//R/0G1TaCdzqz5XMDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d6ea460979872a7bc7b13874e406724b6c4e6258276c18df2a97ac3945428da6","last_reissued_at":"2026-05-18T00:04:23.645621Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:04:23.645621Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1802.02887","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":"2026-05-18T00:04:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9EyWU//e0jJXCF5P497QtaC0/4wVnMQy8iOwRjjguG9en0H2jTEY0fYiq8JMYL/jMqCLqFOQU5ESsy2nNJCxCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T18:38:33.897882Z"},"content_sha256":"45be0f790e9aab7ee110ead9fe70c42105c4bc722849aa737b4ab6e3f042d0bf","schema_version":"1.0","event_id":"sha256:45be0f790e9aab7ee110ead9fe70c42105c4bc722849aa737b4ab6e3f042d0bf"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:23VEMCLZQ4VHXR5RHB2OIBTSJN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Geometrodynamics of electrons in a crystal under position and time dependent deformation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Liang Dong, Qian Niu","submitted_at":"2018-02-06T16:42:09Z","abstract_excerpt":"Semiclassical dynamics of Bloch electrons in a crystal under slowly varying deformation is developed in the geometric language of a lattice bundle. Berry curvatures and gradients of energy are introduced in terms of lattice covariant derivatives, with the corresponding connections given by the gradient and rate of strain. A number of physical effects are discussed: an effective post-Newtonian gravity at band bottom, polarization induced by spatial gradient of strain, orbital magnetization induced by strain rate, and electron energy stress tensor."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1802.02887","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":"2026-05-18T00:04:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KFXhyf3OutBDJiYP6jMm5uS5tNgCgwrHLXtZdo/5D/yENfbbL8HCU4216ySWMCXxiaJ8A7Yfx7b5/t7zfWQsCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T18:38:33.898222Z"},"content_sha256":"e45f3f4f4a771b015075a44f525bf99b7a9b141e2ec1ed77cff75b4d84f3c822","schema_version":"1.0","event_id":"sha256:e45f3f4f4a771b015075a44f525bf99b7a9b141e2ec1ed77cff75b4d84f3c822"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/23VEMCLZQ4VHXR5RHB2OIBTSJN/bundle.json","state_url":"https://pith.science/pith/23VEMCLZQ4VHXR5RHB2OIBTSJN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/23VEMCLZQ4VHXR5RHB2OIBTSJN/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":"2026-06-02T18:38:33Z","links":{"resolver":"https://pith.science/pith/23VEMCLZQ4VHXR5RHB2OIBTSJN","bundle":"https://pith.science/pith/23VEMCLZQ4VHXR5RHB2OIBTSJN/bundle.json","state":"https://pith.science/pith/23VEMCLZQ4VHXR5RHB2OIBTSJN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/23VEMCLZQ4VHXR5RHB2OIBTSJN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:23VEMCLZQ4VHXR5RHB2OIBTSJN","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":"3f9cf90030659e61fa85ea9be01a9f376a36648d08654b4ee344927f799a071a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-02-06T16:42:09Z","title_canon_sha256":"854d66c59fe96a6eacc28fc3c424b6dbd24958d48b1ebfadd884362e067ed55a"},"schema_version":"1.0","source":{"id":"1802.02887","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1802.02887","created_at":"2026-05-18T00:04:23Z"},{"alias_kind":"arxiv_version","alias_value":"1802.02887v1","created_at":"2026-05-18T00:04:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1802.02887","created_at":"2026-05-18T00:04:23Z"},{"alias_kind":"pith_short_12","alias_value":"23VEMCLZQ4VH","created_at":"2026-05-18T12:31:59Z"},{"alias_kind":"pith_short_16","alias_value":"23VEMCLZQ4VHXR5R","created_at":"2026-05-18T12:31:59Z"},{"alias_kind":"pith_short_8","alias_value":"23VEMCLZ","created_at":"2026-05-18T12:31:59Z"}],"graph_snapshots":[{"event_id":"sha256:e45f3f4f4a771b015075a44f525bf99b7a9b141e2ec1ed77cff75b4d84f3c822","target":"graph","created_at":"2026-05-18T00:04:23Z","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":"Semiclassical dynamics of Bloch electrons in a crystal under slowly varying deformation is developed in the geometric language of a lattice bundle. Berry curvatures and gradients of energy are introduced in terms of lattice covariant derivatives, with the corresponding connections given by the gradient and rate of strain. A number of physical effects are discussed: an effective post-Newtonian gravity at band bottom, polarization induced by spatial gradient of strain, orbital magnetization induced by strain rate, and electron energy stress tensor.","authors_text":"Liang Dong, Qian Niu","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-02-06T16:42:09Z","title":"Geometrodynamics of electrons in a crystal under position and time dependent deformation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1802.02887","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":"sha256:45be0f790e9aab7ee110ead9fe70c42105c4bc722849aa737b4ab6e3f042d0bf","target":"record","created_at":"2026-05-18T00:04:23Z","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":"3f9cf90030659e61fa85ea9be01a9f376a36648d08654b4ee344927f799a071a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-02-06T16:42:09Z","title_canon_sha256":"854d66c59fe96a6eacc28fc3c424b6dbd24958d48b1ebfadd884362e067ed55a"},"schema_version":"1.0","source":{"id":"1802.02887","kind":"arxiv","version":1}},"canonical_sha256":"d6ea460979872a7bc7b13874e406724b6c4e6258276c18df2a97ac3945428da6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d6ea460979872a7bc7b13874e406724b6c4e6258276c18df2a97ac3945428da6","first_computed_at":"2026-05-18T00:04:23.645621Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:04:23.645621Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"obANCD+sU1toDDd9G9ygKW/RNuLAzASdd3QCMUWCXcewVeWCxOFmn6msMJDIiMqsRH8//R/0G1TaCdzqz5XMDg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:04:23.646337Z","signed_message":"canonical_sha256_bytes"},"source_id":"1802.02887","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:45be0f790e9aab7ee110ead9fe70c42105c4bc722849aa737b4ab6e3f042d0bf","sha256:e45f3f4f4a771b015075a44f525bf99b7a9b141e2ec1ed77cff75b4d84f3c822"],"state_sha256":"4f0d1da9652c96eec5cc259604711502f34fe526e184cee4a71ca2a05559d76b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"o2QMDkyRt+MxlDraTCVE84OWR6w7uQqYiDAGB+mklr0/K8kkO70bO5+YRLdpEKbKS834qRvoM+2wyZfV5+2pCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T18:38:33.900164Z","bundle_sha256":"60f4a42a96eba7d7a102517492989667661241de4985851cf0834dff60ba7fd1"}}