{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:4I4ZCUWOJGD62MZN6RISKGGIQU","short_pith_number":"pith:4I4ZCUWO","canonical_record":{"source":{"id":"1902.06856","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2019-02-19T01:36:44Z","cross_cats_sorted":[],"title_canon_sha256":"febb675e3913fe21608d801839809370045611ab7a786f3e85dc253c83081ffe","abstract_canon_sha256":"3e855604ac2e1a3d725a39f75f696df9c021db8139e551d7590cddae6f21e174"},"schema_version":"1.0"},"canonical_sha256":"e2399152ce4987ed332df4512518c8850ac05534158e09181ea1802c1b1d9602","source":{"kind":"arxiv","id":"1902.06856","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1902.06856","created_at":"2026-05-17T23:53:40Z"},{"alias_kind":"arxiv_version","alias_value":"1902.06856v1","created_at":"2026-05-17T23:53:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1902.06856","created_at":"2026-05-17T23:53:40Z"},{"alias_kind":"pith_short_12","alias_value":"4I4ZCUWOJGD6","created_at":"2026-05-18T12:33:10Z"},{"alias_kind":"pith_short_16","alias_value":"4I4ZCUWOJGD62MZN","created_at":"2026-05-18T12:33:10Z"},{"alias_kind":"pith_short_8","alias_value":"4I4ZCUWO","created_at":"2026-05-18T12:33:10Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:4I4ZCUWOJGD62MZN6RISKGGIQU","target":"record","payload":{"canonical_record":{"source":{"id":"1902.06856","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2019-02-19T01:36:44Z","cross_cats_sorted":[],"title_canon_sha256":"febb675e3913fe21608d801839809370045611ab7a786f3e85dc253c83081ffe","abstract_canon_sha256":"3e855604ac2e1a3d725a39f75f696df9c021db8139e551d7590cddae6f21e174"},"schema_version":"1.0"},"canonical_sha256":"e2399152ce4987ed332df4512518c8850ac05534158e09181ea1802c1b1d9602","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:53:40.594227Z","signature_b64":"dE4v/Ho1oIi9M7PVcdwDaUlv6bQxXdlpL9j6Dgw35hySf+3lYkvADne6uMRvbMBg5jycYo5khlIjGvwNHsLuBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e2399152ce4987ed332df4512518c8850ac05534158e09181ea1802c1b1d9602","last_reissued_at":"2026-05-17T23:53:40.593665Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:53:40.593665Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1902.06856","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":"2026-05-17T23:53:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PiOLxl4MZT81mvOE6gMTk1YpjOIv+7+Pvd0pQ+KxlbE2oO460ADXfYW7LF14ezV82IXx3EGdQD9t+MwurLQ6Bw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T21:28:14.497411Z"},"content_sha256":"f0b5a4a2681ef67e753962482d04d638e552339d7cdb3733e1b23ac60073d2f7","schema_version":"1.0","event_id":"sha256:f0b5a4a2681ef67e753962482d04d638e552339d7cdb3733e1b23ac60073d2f7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:4I4ZCUWOJGD62MZN6RISKGGIQU","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Opto-valleytronic imaging of atomically thin semiconductors","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Aditya D. Mohite, Alexander H\\\"ogele, Andre Neumann, Hisato Yamaguchi, Jessica Lindlau, Jun Lou, L\\'eo Colombier, Manuel Nutz, Sina Najmaei","submitted_at":"2019-02-19T01:36:44Z","abstract_excerpt":"Transition metal dichalcogenide semiconductors represent elementary components of layered heterostructures for emergent technologies beyond conventional opto-electronics. In their monolayer form they host electrons with quantized circular motion and associated valley polarization and valley coherence as key elements of opto-valleytronic functionality. Here, we introduce two-dimensional polarimetry as means of direct imaging of the valley pseudospin degree of freedom in monolayer transition metal dichalcogenides. Using MoS$_2$ as a representative material with valley-selective optical transitio"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1902.06856","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":"2026-05-17T23:53:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9OVKCqvDuUkeZhS5iV8dTaNBswdyuAe25C0kulYpLbExXEafaFv2VKljFEWT3Y2//8zXvG+qnqePUq4LV1X4Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T21:28:14.498068Z"},"content_sha256":"372a80fcdb51e03b9125fcb6ab2f66e9bd840e685339618d8ea712a7e2bbc7cf","schema_version":"1.0","event_id":"sha256:372a80fcdb51e03b9125fcb6ab2f66e9bd840e685339618d8ea712a7e2bbc7cf"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4I4ZCUWOJGD62MZN6RISKGGIQU/bundle.json","state_url":"https://pith.science/pith/4I4ZCUWOJGD62MZN6RISKGGIQU/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4I4ZCUWOJGD62MZN6RISKGGIQU/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":"2026-05-25T21:28:14Z","links":{"resolver":"https://pith.science/pith/4I4ZCUWOJGD62MZN6RISKGGIQU","bundle":"https://pith.science/pith/4I4ZCUWOJGD62MZN6RISKGGIQU/bundle.json","state":"https://pith.science/pith/4I4ZCUWOJGD62MZN6RISKGGIQU/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4I4ZCUWOJGD62MZN6RISKGGIQU/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:4I4ZCUWOJGD62MZN6RISKGGIQU","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":"3e855604ac2e1a3d725a39f75f696df9c021db8139e551d7590cddae6f21e174","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2019-02-19T01:36:44Z","title_canon_sha256":"febb675e3913fe21608d801839809370045611ab7a786f3e85dc253c83081ffe"},"schema_version":"1.0","source":{"id":"1902.06856","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1902.06856","created_at":"2026-05-17T23:53:40Z"},{"alias_kind":"arxiv_version","alias_value":"1902.06856v1","created_at":"2026-05-17T23:53:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1902.06856","created_at":"2026-05-17T23:53:40Z"},{"alias_kind":"pith_short_12","alias_value":"4I4ZCUWOJGD6","created_at":"2026-05-18T12:33:10Z"},{"alias_kind":"pith_short_16","alias_value":"4I4ZCUWOJGD62MZN","created_at":"2026-05-18T12:33:10Z"},{"alias_kind":"pith_short_8","alias_value":"4I4ZCUWO","created_at":"2026-05-18T12:33:10Z"}],"graph_snapshots":[{"event_id":"sha256:372a80fcdb51e03b9125fcb6ab2f66e9bd840e685339618d8ea712a7e2bbc7cf","target":"graph","created_at":"2026-05-17T23:53:40Z","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":"Transition metal dichalcogenide semiconductors represent elementary components of layered heterostructures for emergent technologies beyond conventional opto-electronics. In their monolayer form they host electrons with quantized circular motion and associated valley polarization and valley coherence as key elements of opto-valleytronic functionality. Here, we introduce two-dimensional polarimetry as means of direct imaging of the valley pseudospin degree of freedom in monolayer transition metal dichalcogenides. Using MoS$_2$ as a representative material with valley-selective optical transitio","authors_text":"Aditya D. Mohite, Alexander H\\\"ogele, Andre Neumann, Hisato Yamaguchi, Jessica Lindlau, Jun Lou, L\\'eo Colombier, Manuel Nutz, Sina Najmaei","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2019-02-19T01:36:44Z","title":"Opto-valleytronic imaging of atomically thin semiconductors"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1902.06856","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:f0b5a4a2681ef67e753962482d04d638e552339d7cdb3733e1b23ac60073d2f7","target":"record","created_at":"2026-05-17T23:53:40Z","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":"3e855604ac2e1a3d725a39f75f696df9c021db8139e551d7590cddae6f21e174","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2019-02-19T01:36:44Z","title_canon_sha256":"febb675e3913fe21608d801839809370045611ab7a786f3e85dc253c83081ffe"},"schema_version":"1.0","source":{"id":"1902.06856","kind":"arxiv","version":1}},"canonical_sha256":"e2399152ce4987ed332df4512518c8850ac05534158e09181ea1802c1b1d9602","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e2399152ce4987ed332df4512518c8850ac05534158e09181ea1802c1b1d9602","first_computed_at":"2026-05-17T23:53:40.593665Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:53:40.593665Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"dE4v/Ho1oIi9M7PVcdwDaUlv6bQxXdlpL9j6Dgw35hySf+3lYkvADne6uMRvbMBg5jycYo5khlIjGvwNHsLuBA==","signature_status":"signed_v1","signed_at":"2026-05-17T23:53:40.594227Z","signed_message":"canonical_sha256_bytes"},"source_id":"1902.06856","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f0b5a4a2681ef67e753962482d04d638e552339d7cdb3733e1b23ac60073d2f7","sha256:372a80fcdb51e03b9125fcb6ab2f66e9bd840e685339618d8ea712a7e2bbc7cf"],"state_sha256":"32c773f7a29d82f17288e76f0919dd8fb1882037aed9c3d47f60f2e530734a40"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pq5n/WgvEomhh21wlCmHFe0kdKcCxmyU6jNTL7aXN9OvuWC1VZID33gWZnKuo1I4AGBvS4vvQXKLZkIFvWvUDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T21:28:14.501505Z","bundle_sha256":"bde2ceff1ba628156a5b92337cf4d72cfceec7944d15225d2fc27ec56ba6d084"}}