{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:XIS72UPTNCPNY377GNFPFQDLOK","short_pith_number":"pith:XIS72UPT","canonical_record":{"source":{"id":"2104.13161","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2021-04-27T13:13:54Z","cross_cats_sorted":["physics.app-ph"],"title_canon_sha256":"d1985e57bdac9ebf1139165ac9c21fef94a515e2ac0f66807249a6575f397dfe","abstract_canon_sha256":"65bcba69a27e38e84bd442089df84d7e7552ab226f080dbf96bab816252af36d"},"schema_version":"1.0"},"canonical_sha256":"ba25fd51f3689edc6fff334af2c06b7288a1d7c228b2ee1362a694097943dcf6","source":{"kind":"arxiv","id":"2104.13161","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2104.13161","created_at":"2026-07-05T03:33:42Z"},{"alias_kind":"arxiv_version","alias_value":"2104.13161v2","created_at":"2026-07-05T03:33:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2104.13161","created_at":"2026-07-05T03:33:42Z"},{"alias_kind":"pith_short_12","alias_value":"XIS72UPTNCPN","created_at":"2026-07-05T03:33:42Z"},{"alias_kind":"pith_short_16","alias_value":"XIS72UPTNCPNY377","created_at":"2026-07-05T03:33:42Z"},{"alias_kind":"pith_short_8","alias_value":"XIS72UPT","created_at":"2026-07-05T03:33:42Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:XIS72UPTNCPNY377GNFPFQDLOK","target":"record","payload":{"canonical_record":{"source":{"id":"2104.13161","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2021-04-27T13:13:54Z","cross_cats_sorted":["physics.app-ph"],"title_canon_sha256":"d1985e57bdac9ebf1139165ac9c21fef94a515e2ac0f66807249a6575f397dfe","abstract_canon_sha256":"65bcba69a27e38e84bd442089df84d7e7552ab226f080dbf96bab816252af36d"},"schema_version":"1.0"},"canonical_sha256":"ba25fd51f3689edc6fff334af2c06b7288a1d7c228b2ee1362a694097943dcf6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:33:42.039277Z","signature_b64":"XwnJrXokHejDGk9YqcYrXgqNbnewPTg31Aq0KhYWKprUBxjYa4WEKM8KWAakQZB1RRjwtDcS6dd6SIARKLw0CQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ba25fd51f3689edc6fff334af2c06b7288a1d7c228b2ee1362a694097943dcf6","last_reissued_at":"2026-07-05T03:33:42.038870Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:33:42.038870Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2104.13161","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":"2026-07-05T03:33:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"m8MWSLBvsLNFJ86BscEvOx5Uub+kCUiP+nKDEKeuz7J6gVKjFxsgnbf7l0WNNg7KxrWPvUC5weksAeyUd/B6Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T21:05:03.920037Z"},"content_sha256":"957bd57bedf9d2807bfe4b1f788ab87bd1f9736d1227d390cec1cf0678fab7a2","schema_version":"1.0","event_id":"sha256:957bd57bedf9d2807bfe4b1f788ab87bd1f9736d1227d390cec1cf0678fab7a2"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:XIS72UPTNCPNY377GNFPFQDLOK","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Observation of dislocation-induced topological modes in a three-dimensional acoustic topological insulator","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.app-ph"],"primary_cat":"cond-mat.mes-hall","authors_text":"Baile Zhang, Ding Jia, Haoran Xue, Hong-Xiang Sun, Qiang Wang, Shou-qi Yuan, Y. D. Chong, Yi-jun Guan, Yong Ge","submitted_at":"2021-04-27T13:13:54Z","abstract_excerpt":"The interplay between real-space topological lattice defects and the reciprocal-space topology of energy bands can give rise to novel phenomena, such as one-dimensional topological modes bound to screw dislocations in three-dimensional topological insulators. We obtain direct experimental observations of dislocation-induced helical modes in an acoustic analog of a weak three-dimensional topological insulator. The spatial distribution of the helical modes is found through spin-resolved field mapping, and verified numerically by tight-binding and finite-element calculations. These one-dimensiona"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2104.13161","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2104.13161/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T03:33:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UBNUuR9mbki/rEq9dmBWFJa2Linp7hY00Xrwpy8Q7hzXrH50qDD9UmMpV04c4ZJaL11GTzWhmgBCpQOTSug5Ag==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T21:05:03.920644Z"},"content_sha256":"a2be855d9539e061983bc00bf4e826d696d706f68db9f603af57e17be5937584","schema_version":"1.0","event_id":"sha256:a2be855d9539e061983bc00bf4e826d696d706f68db9f603af57e17be5937584"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/XIS72UPTNCPNY377GNFPFQDLOK/bundle.json","state_url":"https://pith.science/pith/XIS72UPTNCPNY377GNFPFQDLOK/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/XIS72UPTNCPNY377GNFPFQDLOK/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":"2026-08-04T21:05:03Z","links":{"resolver":"https://pith.science/pith/XIS72UPTNCPNY377GNFPFQDLOK","bundle":"https://pith.science/pith/XIS72UPTNCPNY377GNFPFQDLOK/bundle.json","state":"https://pith.science/pith/XIS72UPTNCPNY377GNFPFQDLOK/state.json","well_known_bundle":"https://pith.science/.well-known/pith/XIS72UPTNCPNY377GNFPFQDLOK/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:XIS72UPTNCPNY377GNFPFQDLOK","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":"65bcba69a27e38e84bd442089df84d7e7552ab226f080dbf96bab816252af36d","cross_cats_sorted":["physics.app-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2021-04-27T13:13:54Z","title_canon_sha256":"d1985e57bdac9ebf1139165ac9c21fef94a515e2ac0f66807249a6575f397dfe"},"schema_version":"1.0","source":{"id":"2104.13161","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2104.13161","created_at":"2026-07-05T03:33:42Z"},{"alias_kind":"arxiv_version","alias_value":"2104.13161v2","created_at":"2026-07-05T03:33:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2104.13161","created_at":"2026-07-05T03:33:42Z"},{"alias_kind":"pith_short_12","alias_value":"XIS72UPTNCPN","created_at":"2026-07-05T03:33:42Z"},{"alias_kind":"pith_short_16","alias_value":"XIS72UPTNCPNY377","created_at":"2026-07-05T03:33:42Z"},{"alias_kind":"pith_short_8","alias_value":"XIS72UPT","created_at":"2026-07-05T03:33:42Z"}],"graph_snapshots":[{"event_id":"sha256:a2be855d9539e061983bc00bf4e826d696d706f68db9f603af57e17be5937584","target":"graph","created_at":"2026-07-05T03:33:42Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2104.13161/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The interplay between real-space topological lattice defects and the reciprocal-space topology of energy bands can give rise to novel phenomena, such as one-dimensional topological modes bound to screw dislocations in three-dimensional topological insulators. We obtain direct experimental observations of dislocation-induced helical modes in an acoustic analog of a weak three-dimensional topological insulator. The spatial distribution of the helical modes is found through spin-resolved field mapping, and verified numerically by tight-binding and finite-element calculations. These one-dimensiona","authors_text":"Baile Zhang, Ding Jia, Haoran Xue, Hong-Xiang Sun, Qiang Wang, Shou-qi Yuan, Y. D. Chong, Yi-jun Guan, Yong Ge","cross_cats":["physics.app-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2021-04-27T13:13:54Z","title":"Observation of dislocation-induced topological modes in a three-dimensional acoustic topological insulator"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2104.13161","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":"sha256:957bd57bedf9d2807bfe4b1f788ab87bd1f9736d1227d390cec1cf0678fab7a2","target":"record","created_at":"2026-07-05T03:33:42Z","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":"65bcba69a27e38e84bd442089df84d7e7552ab226f080dbf96bab816252af36d","cross_cats_sorted":["physics.app-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2021-04-27T13:13:54Z","title_canon_sha256":"d1985e57bdac9ebf1139165ac9c21fef94a515e2ac0f66807249a6575f397dfe"},"schema_version":"1.0","source":{"id":"2104.13161","kind":"arxiv","version":2}},"canonical_sha256":"ba25fd51f3689edc6fff334af2c06b7288a1d7c228b2ee1362a694097943dcf6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ba25fd51f3689edc6fff334af2c06b7288a1d7c228b2ee1362a694097943dcf6","first_computed_at":"2026-07-05T03:33:42.038870Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:33:42.038870Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"XwnJrXokHejDGk9YqcYrXgqNbnewPTg31Aq0KhYWKprUBxjYa4WEKM8KWAakQZB1RRjwtDcS6dd6SIARKLw0CQ==","signature_status":"signed_v1","signed_at":"2026-07-05T03:33:42.039277Z","signed_message":"canonical_sha256_bytes"},"source_id":"2104.13161","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:957bd57bedf9d2807bfe4b1f788ab87bd1f9736d1227d390cec1cf0678fab7a2","sha256:a2be855d9539e061983bc00bf4e826d696d706f68db9f603af57e17be5937584"],"state_sha256":"6f27c0bb2f66ad4b9909c7234c69e62f20c078095c0416205b6293975265b633"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7+dk9cSoKiJaJIkW/5iCeB0hWwhm9Yx46c0Tu0HXq/6DbHyf5lU5bD5zU0iIJkOVyCe6UbYv9+dqoZokJ14uAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-04T21:05:03.924137Z","bundle_sha256":"bf29a942d21c5775a11f3d3a3d6a929888bca88b82b811403a095a6befe74280"}}