{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:HXMW6GUE7KA4GCVHWDYIY2V2UK","short_pith_number":"pith:HXMW6GUE","canonical_record":{"source":{"id":"1703.05005","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2017-03-15T08:34:28Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"c89264a823c24d0687ebb585c33e948467307d2e35e4b608c1c85cbe2fe724b5","abstract_canon_sha256":"67c461a4ec3bee169ba69a5d5e745d5e80c7459af9bc180253875f6ba69915d0"},"schema_version":"1.0"},"canonical_sha256":"3dd96f1a84fa81c30aa7b0f08c6abaa29a3524ef6877f78c81ef6240d9c3d254","source":{"kind":"arxiv","id":"1703.05005","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1703.05005","created_at":"2026-05-18T00:48:38Z"},{"alias_kind":"arxiv_version","alias_value":"1703.05005v1","created_at":"2026-05-18T00:48:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1703.05005","created_at":"2026-05-18T00:48:38Z"},{"alias_kind":"pith_short_12","alias_value":"HXMW6GUE7KA4","created_at":"2026-05-18T12:31:21Z"},{"alias_kind":"pith_short_16","alias_value":"HXMW6GUE7KA4GCVH","created_at":"2026-05-18T12:31:21Z"},{"alias_kind":"pith_short_8","alias_value":"HXMW6GUE","created_at":"2026-05-18T12:31:21Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:HXMW6GUE7KA4GCVHWDYIY2V2UK","target":"record","payload":{"canonical_record":{"source":{"id":"1703.05005","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2017-03-15T08:34:28Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"c89264a823c24d0687ebb585c33e948467307d2e35e4b608c1c85cbe2fe724b5","abstract_canon_sha256":"67c461a4ec3bee169ba69a5d5e745d5e80c7459af9bc180253875f6ba69915d0"},"schema_version":"1.0"},"canonical_sha256":"3dd96f1a84fa81c30aa7b0f08c6abaa29a3524ef6877f78c81ef6240d9c3d254","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:48:38.612489Z","signature_b64":"kKL3917Psb2dmGif8kpudcVPpMyGj9l8+qwjxA0Ot74pkM8Gf5nUbzlX9teNOfh+JEHciR4RWFPSjbGcxYP7BA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3dd96f1a84fa81c30aa7b0f08c6abaa29a3524ef6877f78c81ef6240d9c3d254","last_reissued_at":"2026-05-18T00:48:38.612013Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:48:38.612013Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1703.05005","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":"2026-05-18T00:48:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"e9UhlrCZcJFaLrJoOMNMkJz1Q7XTruUlSFkhMYl1b0GiFJNy7xyr8A/bA7W8ovwGmHYs+FaGBAhA7qANaE5CDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T21:44:57.081106Z"},"content_sha256":"caa66d5eea173001bb33b5c89d66db5a4626ce677faab6f947f155be84589cbb","schema_version":"1.0","event_id":"sha256:caa66d5eea173001bb33b5c89d66db5a4626ce677faab6f947f155be84589cbb"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:HXMW6GUE7KA4GCVHWDYIY2V2UK","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Valley-Polarized Exciton Dynamics in Exfoliated Monolayer WSe$_2$","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"cond-mat.mes-hall","authors_text":"Gerd Plechinger, John M. Lupton, Tobias Korn","submitted_at":"2017-03-15T08:34:28Z","abstract_excerpt":"Semiconducting transition metal dichalcogenide monolayers have emerged as promising candidates for future valleytronics-based quantum information technologies. Two distinct momentum-states of tightly-bound electron-hole pairs in these materials can be deterministically initialized via irradiation with circularly polarized light. Here, we investigate the ultrafast dynamics of such a valley polarization in monolayer tungsten diselenide by means of time-resolved Kerr reflectometry. The observed Kerr signal in our sample stems exclusively from charge-neutral excitons. Our findings support the pict"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1703.05005","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":"2026-05-18T00:48:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Xz7u8aCqbt2w+SR7M4g6HCSktj+gwxrDM3bzsMW0CEaACW6uQCdX9bPDQHBEo2HUsBjs7YlAAfnBZ2rREnwwDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T21:44:57.081466Z"},"content_sha256":"e4c88cd99523e76a816f02f0f53ee158512c3bee6f4be031209de620ef27075c","schema_version":"1.0","event_id":"sha256:e4c88cd99523e76a816f02f0f53ee158512c3bee6f4be031209de620ef27075c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HXMW6GUE7KA4GCVHWDYIY2V2UK/bundle.json","state_url":"https://pith.science/pith/HXMW6GUE7KA4GCVHWDYIY2V2UK/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HXMW6GUE7KA4GCVHWDYIY2V2UK/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":"2026-06-02T21:44:57Z","links":{"resolver":"https://pith.science/pith/HXMW6GUE7KA4GCVHWDYIY2V2UK","bundle":"https://pith.science/pith/HXMW6GUE7KA4GCVHWDYIY2V2UK/bundle.json","state":"https://pith.science/pith/HXMW6GUE7KA4GCVHWDYIY2V2UK/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HXMW6GUE7KA4GCVHWDYIY2V2UK/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:HXMW6GUE7KA4GCVHWDYIY2V2UK","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":"67c461a4ec3bee169ba69a5d5e745d5e80c7459af9bc180253875f6ba69915d0","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2017-03-15T08:34:28Z","title_canon_sha256":"c89264a823c24d0687ebb585c33e948467307d2e35e4b608c1c85cbe2fe724b5"},"schema_version":"1.0","source":{"id":"1703.05005","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1703.05005","created_at":"2026-05-18T00:48:38Z"},{"alias_kind":"arxiv_version","alias_value":"1703.05005v1","created_at":"2026-05-18T00:48:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1703.05005","created_at":"2026-05-18T00:48:38Z"},{"alias_kind":"pith_short_12","alias_value":"HXMW6GUE7KA4","created_at":"2026-05-18T12:31:21Z"},{"alias_kind":"pith_short_16","alias_value":"HXMW6GUE7KA4GCVH","created_at":"2026-05-18T12:31:21Z"},{"alias_kind":"pith_short_8","alias_value":"HXMW6GUE","created_at":"2026-05-18T12:31:21Z"}],"graph_snapshots":[{"event_id":"sha256:e4c88cd99523e76a816f02f0f53ee158512c3bee6f4be031209de620ef27075c","target":"graph","created_at":"2026-05-18T00:48:38Z","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":"Semiconducting transition metal dichalcogenide monolayers have emerged as promising candidates for future valleytronics-based quantum information technologies. Two distinct momentum-states of tightly-bound electron-hole pairs in these materials can be deterministically initialized via irradiation with circularly polarized light. Here, we investigate the ultrafast dynamics of such a valley polarization in monolayer tungsten diselenide by means of time-resolved Kerr reflectometry. The observed Kerr signal in our sample stems exclusively from charge-neutral excitons. Our findings support the pict","authors_text":"Gerd Plechinger, John M. Lupton, Tobias Korn","cross_cats":["cond-mat.mtrl-sci"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2017-03-15T08:34:28Z","title":"Valley-Polarized Exciton Dynamics in Exfoliated Monolayer WSe$_2$"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1703.05005","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:caa66d5eea173001bb33b5c89d66db5a4626ce677faab6f947f155be84589cbb","target":"record","created_at":"2026-05-18T00:48:38Z","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":"67c461a4ec3bee169ba69a5d5e745d5e80c7459af9bc180253875f6ba69915d0","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2017-03-15T08:34:28Z","title_canon_sha256":"c89264a823c24d0687ebb585c33e948467307d2e35e4b608c1c85cbe2fe724b5"},"schema_version":"1.0","source":{"id":"1703.05005","kind":"arxiv","version":1}},"canonical_sha256":"3dd96f1a84fa81c30aa7b0f08c6abaa29a3524ef6877f78c81ef6240d9c3d254","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3dd96f1a84fa81c30aa7b0f08c6abaa29a3524ef6877f78c81ef6240d9c3d254","first_computed_at":"2026-05-18T00:48:38.612013Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:48:38.612013Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"kKL3917Psb2dmGif8kpudcVPpMyGj9l8+qwjxA0Ot74pkM8Gf5nUbzlX9teNOfh+JEHciR4RWFPSjbGcxYP7BA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:48:38.612489Z","signed_message":"canonical_sha256_bytes"},"source_id":"1703.05005","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:caa66d5eea173001bb33b5c89d66db5a4626ce677faab6f947f155be84589cbb","sha256:e4c88cd99523e76a816f02f0f53ee158512c3bee6f4be031209de620ef27075c"],"state_sha256":"3f8270e45fcdd3bce21f07058a9bd2a357d1c3a1889c1a9cf9bd73767f665941"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yUYrqp0WLRsmT+1W20zaFLBJczt4/4rr6uNQRbbpTgy7aeuROBbHLVRKa0ShmBWqQVzFuZQqtIqsKAE374MPCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T21:44:57.083588Z","bundle_sha256":"7e336c1126485175f872a3a611ebefc6232c53e3cb69929578ac2366ba0a914f"}}