{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:AH62DRQREBUAXI2LQFRTVFTNI3","short_pith_number":"pith:AH62DRQR","canonical_record":{"source":{"id":"1712.04589","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2017-12-13T01:49:48Z","cross_cats_sorted":[],"title_canon_sha256":"4218c80c7263906a71c6d9cc29988f52a9bd08d74b86815bb748a11c3285f099","abstract_canon_sha256":"41864f205906af84c8749bc6b0c2a26f0020f5e338ccdc867b4ac237a45faf4c"},"schema_version":"1.0"},"canonical_sha256":"01fda1c61120680ba34b81633a966d46ebbc437ce5b1e86bb3d8dfa802340e13","source":{"kind":"arxiv","id":"1712.04589","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1712.04589","created_at":"2026-05-18T00:28:04Z"},{"alias_kind":"arxiv_version","alias_value":"1712.04589v1","created_at":"2026-05-18T00:28:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1712.04589","created_at":"2026-05-18T00:28:04Z"},{"alias_kind":"pith_short_12","alias_value":"AH62DRQREBUA","created_at":"2026-05-18T12:31:05Z"},{"alias_kind":"pith_short_16","alias_value":"AH62DRQREBUAXI2L","created_at":"2026-05-18T12:31:05Z"},{"alias_kind":"pith_short_8","alias_value":"AH62DRQR","created_at":"2026-05-18T12:31:05Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:AH62DRQREBUAXI2LQFRTVFTNI3","target":"record","payload":{"canonical_record":{"source":{"id":"1712.04589","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2017-12-13T01:49:48Z","cross_cats_sorted":[],"title_canon_sha256":"4218c80c7263906a71c6d9cc29988f52a9bd08d74b86815bb748a11c3285f099","abstract_canon_sha256":"41864f205906af84c8749bc6b0c2a26f0020f5e338ccdc867b4ac237a45faf4c"},"schema_version":"1.0"},"canonical_sha256":"01fda1c61120680ba34b81633a966d46ebbc437ce5b1e86bb3d8dfa802340e13","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:28:04.156178Z","signature_b64":"pPUQhEzGLBRFWT+ocmojt7V8RAP+l7+6mxtkimunOIbHLmq7YuG95CQpy+QGedroOQAkuoAINFbzxQRFnBnYCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"01fda1c61120680ba34b81633a966d46ebbc437ce5b1e86bb3d8dfa802340e13","last_reissued_at":"2026-05-18T00:28:04.155358Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:28:04.155358Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1712.04589","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":"2026-05-18T00:28:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qZAf4BHcMBWfasv9sL3TRKUx76yk1SgDki5A1oXl8poaEY79UhsOHo45tLyk5T7D2iY4gaFed/Ump17M05lmCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T16:21:16.088857Z"},"content_sha256":"51f2d5627e22f0e6c57eb85ae87db6e1ec69a966446ade456a8c37c31b3b7895","schema_version":"1.0","event_id":"sha256:51f2d5627e22f0e6c57eb85ae87db6e1ec69a966446ade456a8c37c31b3b7895"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:AH62DRQREBUAXI2LQFRTVFTNI3","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Sorting and Routing Topologically Protected Edge States by their Valleys","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.app-ph","authors_text":"Baile Zhang, Fei Gao, Gennady Shvets, Kueifu Lai, Yang Yu, Yuchen Han","submitted_at":"2017-12-13T01:49:48Z","abstract_excerpt":"We experimentally demonstrate and characterize a photonic platform containing heterogeneous topological phases. This platform is shown to support valley-spin locked edge states that can be routed based on their spin and valley degrees of freedom. The routing is accomplished by changing the topology of the valley photonic crystal embedded inside a spin-Hall photonic crystal."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1712.04589","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":"2026-05-18T00:28:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7V7Akf/gbsf/bbubRqSICxKJCw61XLbBgif5paK1pWG7q0V/H070g1IXGemdfDpJPL2CTzzMB9mlXhBZ6k5PBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T16:21:16.089201Z"},"content_sha256":"3dd63558c2e0f0eb0c9b2bec6eb0e2ea70cac87d417ae1cf74f38b2b512c378f","schema_version":"1.0","event_id":"sha256:3dd63558c2e0f0eb0c9b2bec6eb0e2ea70cac87d417ae1cf74f38b2b512c378f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/AH62DRQREBUAXI2LQFRTVFTNI3/bundle.json","state_url":"https://pith.science/pith/AH62DRQREBUAXI2LQFRTVFTNI3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/AH62DRQREBUAXI2LQFRTVFTNI3/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":"2026-06-02T16:21:16Z","links":{"resolver":"https://pith.science/pith/AH62DRQREBUAXI2LQFRTVFTNI3","bundle":"https://pith.science/pith/AH62DRQREBUAXI2LQFRTVFTNI3/bundle.json","state":"https://pith.science/pith/AH62DRQREBUAXI2LQFRTVFTNI3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/AH62DRQREBUAXI2LQFRTVFTNI3/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:AH62DRQREBUAXI2LQFRTVFTNI3","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":"41864f205906af84c8749bc6b0c2a26f0020f5e338ccdc867b4ac237a45faf4c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2017-12-13T01:49:48Z","title_canon_sha256":"4218c80c7263906a71c6d9cc29988f52a9bd08d74b86815bb748a11c3285f099"},"schema_version":"1.0","source":{"id":"1712.04589","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1712.04589","created_at":"2026-05-18T00:28:04Z"},{"alias_kind":"arxiv_version","alias_value":"1712.04589v1","created_at":"2026-05-18T00:28:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1712.04589","created_at":"2026-05-18T00:28:04Z"},{"alias_kind":"pith_short_12","alias_value":"AH62DRQREBUA","created_at":"2026-05-18T12:31:05Z"},{"alias_kind":"pith_short_16","alias_value":"AH62DRQREBUAXI2L","created_at":"2026-05-18T12:31:05Z"},{"alias_kind":"pith_short_8","alias_value":"AH62DRQR","created_at":"2026-05-18T12:31:05Z"}],"graph_snapshots":[{"event_id":"sha256:3dd63558c2e0f0eb0c9b2bec6eb0e2ea70cac87d417ae1cf74f38b2b512c378f","target":"graph","created_at":"2026-05-18T00:28:04Z","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":"We experimentally demonstrate and characterize a photonic platform containing heterogeneous topological phases. This platform is shown to support valley-spin locked edge states that can be routed based on their spin and valley degrees of freedom. The routing is accomplished by changing the topology of the valley photonic crystal embedded inside a spin-Hall photonic crystal.","authors_text":"Baile Zhang, Fei Gao, Gennady Shvets, Kueifu Lai, Yang Yu, Yuchen Han","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2017-12-13T01:49:48Z","title":"Sorting and Routing Topologically Protected Edge States by their Valleys"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1712.04589","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":"sha256:51f2d5627e22f0e6c57eb85ae87db6e1ec69a966446ade456a8c37c31b3b7895","target":"record","created_at":"2026-05-18T00:28:04Z","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":"41864f205906af84c8749bc6b0c2a26f0020f5e338ccdc867b4ac237a45faf4c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2017-12-13T01:49:48Z","title_canon_sha256":"4218c80c7263906a71c6d9cc29988f52a9bd08d74b86815bb748a11c3285f099"},"schema_version":"1.0","source":{"id":"1712.04589","kind":"arxiv","version":1}},"canonical_sha256":"01fda1c61120680ba34b81633a966d46ebbc437ce5b1e86bb3d8dfa802340e13","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"01fda1c61120680ba34b81633a966d46ebbc437ce5b1e86bb3d8dfa802340e13","first_computed_at":"2026-05-18T00:28:04.155358Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:28:04.155358Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"pPUQhEzGLBRFWT+ocmojt7V8RAP+l7+6mxtkimunOIbHLmq7YuG95CQpy+QGedroOQAkuoAINFbzxQRFnBnYCw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:28:04.156178Z","signed_message":"canonical_sha256_bytes"},"source_id":"1712.04589","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:51f2d5627e22f0e6c57eb85ae87db6e1ec69a966446ade456a8c37c31b3b7895","sha256:3dd63558c2e0f0eb0c9b2bec6eb0e2ea70cac87d417ae1cf74f38b2b512c378f"],"state_sha256":"0e8bf40ec19520fef2d38c9a16381240c682e70ddf14082f91f3e36a2204500b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OsBmCTrop2hPz1Cx6B3LSeJLF96XnoFhlxjfQIetu4h0S6TtefQSlCdO8CCFglCJc8eqiJSoaVvSum70wXG+Cw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T16:21:16.091167Z","bundle_sha256":"09fc023e385fce81038260711b3f41cd57205a76eb128d4a8da7d91e04247667"}}