{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:YOEXY6LBROADWSAHKRXXFTA666","short_pith_number":"pith:YOEXY6LB","canonical_record":{"source":{"id":"1709.05920","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2017-07-07T07:12:45Z","cross_cats_sorted":["physics.app-ph"],"title_canon_sha256":"36699f87957bd29230863c557ae19125d79721b17f8d01862cad270dcfaa2ce7","abstract_canon_sha256":"782065d8eb367c9452bb87bd407e943f500ff6aabd965b8417baa788abc27257"},"schema_version":"1.0"},"canonical_sha256":"c3897c79618b803b4807546f72cc1ef7bc4a6c462a54d8ced5ff82ca83cd7775","source":{"kind":"arxiv","id":"1709.05920","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1709.05920","created_at":"2026-05-18T00:34:17Z"},{"alias_kind":"arxiv_version","alias_value":"1709.05920v1","created_at":"2026-05-18T00:34:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1709.05920","created_at":"2026-05-18T00:34:17Z"},{"alias_kind":"pith_short_12","alias_value":"YOEXY6LBROAD","created_at":"2026-05-18T12:31:56Z"},{"alias_kind":"pith_short_16","alias_value":"YOEXY6LBROADWSAH","created_at":"2026-05-18T12:31:56Z"},{"alias_kind":"pith_short_8","alias_value":"YOEXY6LB","created_at":"2026-05-18T12:31:56Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:YOEXY6LBROADWSAHKRXXFTA666","target":"record","payload":{"canonical_record":{"source":{"id":"1709.05920","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2017-07-07T07:12:45Z","cross_cats_sorted":["physics.app-ph"],"title_canon_sha256":"36699f87957bd29230863c557ae19125d79721b17f8d01862cad270dcfaa2ce7","abstract_canon_sha256":"782065d8eb367c9452bb87bd407e943f500ff6aabd965b8417baa788abc27257"},"schema_version":"1.0"},"canonical_sha256":"c3897c79618b803b4807546f72cc1ef7bc4a6c462a54d8ced5ff82ca83cd7775","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:34:17.297589Z","signature_b64":"fBRWEvjBpkizNrkq7gJ/B5MV5njFpu2LvuZ6XFlmrUHIuNEdihXWfkNP0IcKElmw90GhpEoIT7IzALtRN9T0BA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c3897c79618b803b4807546f72cc1ef7bc4a6c462a54d8ced5ff82ca83cd7775","last_reissued_at":"2026-05-18T00:34:17.296903Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:34:17.296903Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1709.05920","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":"2026-05-18T00:34:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"969QKcu4VZRnorU1K8B8tIaVJEAe4TqXeUkoyX+ePCBfUSS9Aq6+xifm9hsVXxrmlC1TUKCawqIKOvPQc5/wDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T18:58:33.935155Z"},"content_sha256":"bf0eaaac43a0166059740f4adf4122772d0fa3e8581c455ebe06bd37770fdcec","schema_version":"1.0","event_id":"sha256:bf0eaaac43a0166059740f4adf4122772d0fa3e8581c455ebe06bd37770fdcec"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:YOEXY6LBROADWSAHKRXXFTA666","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Observation of topological valley transport of sound in sonic crystals","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.app-ph"],"primary_cat":"cond-mat.mes-hall","authors_text":"Chunyin Qiu, Fan Zhang, Jiuyang Lu, Liping Ye, Manzhu Ke, Xiying Fan, Zhengyou Liu","submitted_at":"2017-07-07T07:12:45Z","abstract_excerpt":"Valley pseudospin, labeling quantum states of energy extrema in momentum space, is attracting tremendous attention1-13 because of its potential in constructing new carrier of information. Compared with the non-topological bulk valley transport realized soon after predictions1-5, the topological valley transport in domain walls6-13 is extremely challenging owing to the inter-valley scattering inevitably induced by atomic scale imperfectness, until the recent electronic signature observed in bilayer graphene12,13. Here we report the first experimental observation of topological valley transport "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1709.05920","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":"2026-05-18T00:34:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ol5FbScpT/uyYwuRD5bMEEzrJm60X4xX8YNH2dnipO0oqn57WZj9E3gcIwaiDpRkQ2dVTNw53pSJd5lKbmO+CA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T18:58:33.935747Z"},"content_sha256":"2788b3deb978669bfddeec0421b3a2994210c6715915aae85f00699dd261919d","schema_version":"1.0","event_id":"sha256:2788b3deb978669bfddeec0421b3a2994210c6715915aae85f00699dd261919d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YOEXY6LBROADWSAHKRXXFTA666/bundle.json","state_url":"https://pith.science/pith/YOEXY6LBROADWSAHKRXXFTA666/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YOEXY6LBROADWSAHKRXXFTA666/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":"2026-05-27T18:58:33Z","links":{"resolver":"https://pith.science/pith/YOEXY6LBROADWSAHKRXXFTA666","bundle":"https://pith.science/pith/YOEXY6LBROADWSAHKRXXFTA666/bundle.json","state":"https://pith.science/pith/YOEXY6LBROADWSAHKRXXFTA666/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YOEXY6LBROADWSAHKRXXFTA666/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:YOEXY6LBROADWSAHKRXXFTA666","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":"782065d8eb367c9452bb87bd407e943f500ff6aabd965b8417baa788abc27257","cross_cats_sorted":["physics.app-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2017-07-07T07:12:45Z","title_canon_sha256":"36699f87957bd29230863c557ae19125d79721b17f8d01862cad270dcfaa2ce7"},"schema_version":"1.0","source":{"id":"1709.05920","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1709.05920","created_at":"2026-05-18T00:34:17Z"},{"alias_kind":"arxiv_version","alias_value":"1709.05920v1","created_at":"2026-05-18T00:34:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1709.05920","created_at":"2026-05-18T00:34:17Z"},{"alias_kind":"pith_short_12","alias_value":"YOEXY6LBROAD","created_at":"2026-05-18T12:31:56Z"},{"alias_kind":"pith_short_16","alias_value":"YOEXY6LBROADWSAH","created_at":"2026-05-18T12:31:56Z"},{"alias_kind":"pith_short_8","alias_value":"YOEXY6LB","created_at":"2026-05-18T12:31:56Z"}],"graph_snapshots":[{"event_id":"sha256:2788b3deb978669bfddeec0421b3a2994210c6715915aae85f00699dd261919d","target":"graph","created_at":"2026-05-18T00:34:17Z","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":"Valley pseudospin, labeling quantum states of energy extrema in momentum space, is attracting tremendous attention1-13 because of its potential in constructing new carrier of information. Compared with the non-topological bulk valley transport realized soon after predictions1-5, the topological valley transport in domain walls6-13 is extremely challenging owing to the inter-valley scattering inevitably induced by atomic scale imperfectness, until the recent electronic signature observed in bilayer graphene12,13. Here we report the first experimental observation of topological valley transport ","authors_text":"Chunyin Qiu, Fan Zhang, Jiuyang Lu, Liping Ye, Manzhu Ke, Xiying Fan, Zhengyou Liu","cross_cats":["physics.app-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2017-07-07T07:12:45Z","title":"Observation of topological valley transport of sound in sonic crystals"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1709.05920","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:bf0eaaac43a0166059740f4adf4122772d0fa3e8581c455ebe06bd37770fdcec","target":"record","created_at":"2026-05-18T00:34:17Z","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":"782065d8eb367c9452bb87bd407e943f500ff6aabd965b8417baa788abc27257","cross_cats_sorted":["physics.app-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2017-07-07T07:12:45Z","title_canon_sha256":"36699f87957bd29230863c557ae19125d79721b17f8d01862cad270dcfaa2ce7"},"schema_version":"1.0","source":{"id":"1709.05920","kind":"arxiv","version":1}},"canonical_sha256":"c3897c79618b803b4807546f72cc1ef7bc4a6c462a54d8ced5ff82ca83cd7775","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c3897c79618b803b4807546f72cc1ef7bc4a6c462a54d8ced5ff82ca83cd7775","first_computed_at":"2026-05-18T00:34:17.296903Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:34:17.296903Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"fBRWEvjBpkizNrkq7gJ/B5MV5njFpu2LvuZ6XFlmrUHIuNEdihXWfkNP0IcKElmw90GhpEoIT7IzALtRN9T0BA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:34:17.297589Z","signed_message":"canonical_sha256_bytes"},"source_id":"1709.05920","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:bf0eaaac43a0166059740f4adf4122772d0fa3e8581c455ebe06bd37770fdcec","sha256:2788b3deb978669bfddeec0421b3a2994210c6715915aae85f00699dd261919d"],"state_sha256":"43e0eb0789a57d810e6ea6f03dcf8f1e7501bdc3e5a62f878656727cddbf0c5c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JE7f9SLTQK5M2KOAFc+8TuGU66z3IBDc07RF4y22vHTICjk1DmUcCmRLdutYNr2oSAE9AGWPZz63dz3I3C+3Cg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T18:58:33.939331Z","bundle_sha256":"e0b37c95b67c3862fc61dfaf2e6071fba3054b7faa539ee7c45a647bacc59d1d"}}