{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:B6EDCK7O4FYW4XU67JZXW2DE2E","short_pith_number":"pith:B6EDCK7O","canonical_record":{"source":{"id":"1602.00640","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2016-02-01T18:59:24Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"de9aacccaa3c93ae5444c3a8c0b64806275106e2d18155d08fb19f82bb10636d","abstract_canon_sha256":"090ac835f3a2d47fe9a900971c1e8b35ed5df90874fb0d18cc5efc6bfed530a2"},"schema_version":"1.0"},"canonical_sha256":"0f88312beee1716e5e9efa737b6864d126703a9211a81c878257e0dc17d2122f","source":{"kind":"arxiv","id":"1602.00640","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1602.00640","created_at":"2026-05-18T01:21:33Z"},{"alias_kind":"arxiv_version","alias_value":"1602.00640v1","created_at":"2026-05-18T01:21:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1602.00640","created_at":"2026-05-18T01:21:33Z"},{"alias_kind":"pith_short_12","alias_value":"B6EDCK7O4FYW","created_at":"2026-05-18T12:30:07Z"},{"alias_kind":"pith_short_16","alias_value":"B6EDCK7O4FYW4XU6","created_at":"2026-05-18T12:30:07Z"},{"alias_kind":"pith_short_8","alias_value":"B6EDCK7O","created_at":"2026-05-18T12:30:07Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:B6EDCK7O4FYW4XU67JZXW2DE2E","target":"record","payload":{"canonical_record":{"source":{"id":"1602.00640","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2016-02-01T18:59:24Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"de9aacccaa3c93ae5444c3a8c0b64806275106e2d18155d08fb19f82bb10636d","abstract_canon_sha256":"090ac835f3a2d47fe9a900971c1e8b35ed5df90874fb0d18cc5efc6bfed530a2"},"schema_version":"1.0"},"canonical_sha256":"0f88312beee1716e5e9efa737b6864d126703a9211a81c878257e0dc17d2122f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:21:33.210263Z","signature_b64":"hYI+8l1mzkTiWTBKFSusr/JrVzW/+AEQo2do+5WCAPeEJ2HreXYXo4bVAd1dO1nY5P4JI37sH0fDuY/ZLvFLDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0f88312beee1716e5e9efa737b6864d126703a9211a81c878257e0dc17d2122f","last_reissued_at":"2026-05-18T01:21:33.209630Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:21:33.209630Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1602.00640","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":"2026-05-18T01:21:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"l2eI7f4ymaumO7DsWGET5GFOhhUCGWIY7Jp9XnG+gcg5Uh2ar1WR/gLd+ff3+8f1MyRryZMMphcNZwzfVJ5MCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T19:56:00.753483Z"},"content_sha256":"d320fa07b862f827aa06c89c9cf7d644f641cc62b3b9384c76699a08da9575bd","schema_version":"1.0","event_id":"sha256:d320fa07b862f827aa06c89c9cf7d644f641cc62b3b9384c76699a08da9575bd"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:B6EDCK7O4FYW4XU67JZXW2DE2E","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Optical polarization and intervalley scattering in single layers of MoS2 and MoSe2","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Adam L. Friedman, Aubrey T. Hanbicki, Berend T. Jonker, George Kioseoglou, Marc Currie","submitted_at":"2016-02-01T18:59:24Z","abstract_excerpt":"Single layers of MoS2 and MoSe2 were optically pumped with circularly polarized light and an appreciable polarization was initialized as the pump energy was varied. The circular polarization of the emitted photoluminescence was monitored as function of the difference between the excitation energy and the A-exciton emission at the K-point of the Brillouin zone. Our results show a threshold of twice the LA phonon energy, specific to the material, above which phonon-assisted intervalley scattering causes depolarization. In both materials this lead to almost complete depolarization within ~100 meV"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1602.00640","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":"2026-05-18T01:21:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vB2VT10escx4f1vVXk0N4q4zqwHQHDuTzaxT7VgI7utgYHx8heuXvkietRhLFfIu1js2xytIbO5PC3uDSadiBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T19:56:00.753824Z"},"content_sha256":"cdf915ebddca743301918f682465bad165371723a208949f1fa48235ba811906","schema_version":"1.0","event_id":"sha256:cdf915ebddca743301918f682465bad165371723a208949f1fa48235ba811906"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/B6EDCK7O4FYW4XU67JZXW2DE2E/bundle.json","state_url":"https://pith.science/pith/B6EDCK7O4FYW4XU67JZXW2DE2E/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/B6EDCK7O4FYW4XU67JZXW2DE2E/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":"2026-06-01T19:56:00Z","links":{"resolver":"https://pith.science/pith/B6EDCK7O4FYW4XU67JZXW2DE2E","bundle":"https://pith.science/pith/B6EDCK7O4FYW4XU67JZXW2DE2E/bundle.json","state":"https://pith.science/pith/B6EDCK7O4FYW4XU67JZXW2DE2E/state.json","well_known_bundle":"https://pith.science/.well-known/pith/B6EDCK7O4FYW4XU67JZXW2DE2E/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:B6EDCK7O4FYW4XU67JZXW2DE2E","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":"090ac835f3a2d47fe9a900971c1e8b35ed5df90874fb0d18cc5efc6bfed530a2","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2016-02-01T18:59:24Z","title_canon_sha256":"de9aacccaa3c93ae5444c3a8c0b64806275106e2d18155d08fb19f82bb10636d"},"schema_version":"1.0","source":{"id":"1602.00640","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1602.00640","created_at":"2026-05-18T01:21:33Z"},{"alias_kind":"arxiv_version","alias_value":"1602.00640v1","created_at":"2026-05-18T01:21:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1602.00640","created_at":"2026-05-18T01:21:33Z"},{"alias_kind":"pith_short_12","alias_value":"B6EDCK7O4FYW","created_at":"2026-05-18T12:30:07Z"},{"alias_kind":"pith_short_16","alias_value":"B6EDCK7O4FYW4XU6","created_at":"2026-05-18T12:30:07Z"},{"alias_kind":"pith_short_8","alias_value":"B6EDCK7O","created_at":"2026-05-18T12:30:07Z"}],"graph_snapshots":[{"event_id":"sha256:cdf915ebddca743301918f682465bad165371723a208949f1fa48235ba811906","target":"graph","created_at":"2026-05-18T01:21:33Z","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":"Single layers of MoS2 and MoSe2 were optically pumped with circularly polarized light and an appreciable polarization was initialized as the pump energy was varied. The circular polarization of the emitted photoluminescence was monitored as function of the difference between the excitation energy and the A-exciton emission at the K-point of the Brillouin zone. Our results show a threshold of twice the LA phonon energy, specific to the material, above which phonon-assisted intervalley scattering causes depolarization. In both materials this lead to almost complete depolarization within ~100 meV","authors_text":"Adam L. Friedman, Aubrey T. Hanbicki, Berend T. Jonker, George Kioseoglou, Marc Currie","cross_cats":["cond-mat.mes-hall"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2016-02-01T18:59:24Z","title":"Optical polarization and intervalley scattering in single layers of MoS2 and MoSe2"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1602.00640","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:d320fa07b862f827aa06c89c9cf7d644f641cc62b3b9384c76699a08da9575bd","target":"record","created_at":"2026-05-18T01:21:33Z","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":"090ac835f3a2d47fe9a900971c1e8b35ed5df90874fb0d18cc5efc6bfed530a2","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2016-02-01T18:59:24Z","title_canon_sha256":"de9aacccaa3c93ae5444c3a8c0b64806275106e2d18155d08fb19f82bb10636d"},"schema_version":"1.0","source":{"id":"1602.00640","kind":"arxiv","version":1}},"canonical_sha256":"0f88312beee1716e5e9efa737b6864d126703a9211a81c878257e0dc17d2122f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0f88312beee1716e5e9efa737b6864d126703a9211a81c878257e0dc17d2122f","first_computed_at":"2026-05-18T01:21:33.209630Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:21:33.209630Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"hYI+8l1mzkTiWTBKFSusr/JrVzW/+AEQo2do+5WCAPeEJ2HreXYXo4bVAd1dO1nY5P4JI37sH0fDuY/ZLvFLDw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:21:33.210263Z","signed_message":"canonical_sha256_bytes"},"source_id":"1602.00640","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d320fa07b862f827aa06c89c9cf7d644f641cc62b3b9384c76699a08da9575bd","sha256:cdf915ebddca743301918f682465bad165371723a208949f1fa48235ba811906"],"state_sha256":"973d4d2ce5f79fd9e70a28daa980c5c6eb0cecf6b5500a1f6db5daefab27411e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3lt4kDtLy74neYGqz9cI5O+nYLEZ9KMohEKBVey7KufDXvfncRqf8IbtvqRw1xvHsqnrIiEwDJ09KccET+q7Dg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T19:56:00.755677Z","bundle_sha256":"a5716d000c2c1847b30969c25c7d60048d5e442657c332ed548028fd8a5e3f9a"}}