{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:MSY6YVLHDVKMQ7BAU53CMNBA7C","short_pith_number":"pith:MSY6YVLH","canonical_record":{"source":{"id":"1807.08568","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2018-07-23T12:46:27Z","cross_cats_sorted":[],"title_canon_sha256":"4166a9c5a82af6e7797cb1875c0a74441661c7f79d4e79fb049a00b5f690d3cd","abstract_canon_sha256":"cdcacf516450eeb66b719c3cbafa8dbefaf165bc356fb8834339886fde788660"},"schema_version":"1.0"},"canonical_sha256":"64b1ec55671d54c87c20a776263420f897b368f29d62dd56aa6e37fc2eda6a4b","source":{"kind":"arxiv","id":"1807.08568","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1807.08568","created_at":"2026-05-18T00:02:44Z"},{"alias_kind":"arxiv_version","alias_value":"1807.08568v2","created_at":"2026-05-18T00:02:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1807.08568","created_at":"2026-05-18T00:02:44Z"},{"alias_kind":"pith_short_12","alias_value":"MSY6YVLHDVKM","created_at":"2026-05-18T12:32:40Z"},{"alias_kind":"pith_short_16","alias_value":"MSY6YVLHDVKMQ7BA","created_at":"2026-05-18T12:32:40Z"},{"alias_kind":"pith_short_8","alias_value":"MSY6YVLH","created_at":"2026-05-18T12:32:40Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:MSY6YVLHDVKMQ7BAU53CMNBA7C","target":"record","payload":{"canonical_record":{"source":{"id":"1807.08568","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2018-07-23T12:46:27Z","cross_cats_sorted":[],"title_canon_sha256":"4166a9c5a82af6e7797cb1875c0a74441661c7f79d4e79fb049a00b5f690d3cd","abstract_canon_sha256":"cdcacf516450eeb66b719c3cbafa8dbefaf165bc356fb8834339886fde788660"},"schema_version":"1.0"},"canonical_sha256":"64b1ec55671d54c87c20a776263420f897b368f29d62dd56aa6e37fc2eda6a4b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:02:44.529126Z","signature_b64":"nE5DEwV6P3ZXWDXlKy3UInjMY7kmApMKGl4hNvap5+InswDJwaOQ1qL9VJdHUEkKecoWBvh3SKOhdxGSbU7DAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"64b1ec55671d54c87c20a776263420f897b368f29d62dd56aa6e37fc2eda6a4b","last_reissued_at":"2026-05-18T00:02:44.528438Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:02:44.528438Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1807.08568","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:02:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HqRJwxA8bjJz7pzhHGpyLtWAdTA1JN6u4eeGPeqprTyY4RrPodJaLQ5ioGgOQ7MO/GogXuLq4zzn0GiRcsCPBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T15:21:38.004361Z"},"content_sha256":"b11f0189ab64279c00e9fe70890432f0ef633b0c86ae52413bcefbf1c54dbffc","schema_version":"1.0","event_id":"sha256:b11f0189ab64279c00e9fe70890432f0ef633b0c86ae52413bcefbf1c54dbffc"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:MSY6YVLHDVKMQ7BAU53CMNBA7C","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Strain dependence of photoluminescence and circular dichroism in transition metal dichalcogenides: a k.p analysis","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Ceyhun Bulutay, Shahnaz Aas","submitted_at":"2018-07-23T12:46:27Z","abstract_excerpt":"Within a two-band $k\\cdot p$ method we analyze different types of strain for the $K$ valley optical characteristics of a freestanding monolayer MoS$_2$, MoSe$_2$, WS$_2$ and WSe$_2$. We predict that circular polarization selectivity for energies above the direct transition onset deteriorates/improves by tensile/compressive strain. Wide range of available strained-sample photoluminescence data can be reasonably reproduced by this simple bandstructure combined with accounting for excitons at a variational level. According to this model strain impacts optoelectronic properties through its hydrost"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1807.08568","kind":"arxiv","version":2},"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":"2026-05-18T00:02:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"II55LKVuT1Lhi/BHXZ4gXvZaT027cMvAWOJHFNJk+J8sJMZKMZ7u1U8U9TOFuvaR9aNMh4C6BrHoiO9+G5a8Bg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T15:21:38.005044Z"},"content_sha256":"2720684370961d799f03fe4ab68d6f58eb31c8592684d3eeb8e3c1609303940d","schema_version":"1.0","event_id":"sha256:2720684370961d799f03fe4ab68d6f58eb31c8592684d3eeb8e3c1609303940d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MSY6YVLHDVKMQ7BAU53CMNBA7C/bundle.json","state_url":"https://pith.science/pith/MSY6YVLHDVKMQ7BAU53CMNBA7C/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MSY6YVLHDVKMQ7BAU53CMNBA7C/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":"2026-05-25T15:21:38Z","links":{"resolver":"https://pith.science/pith/MSY6YVLHDVKMQ7BAU53CMNBA7C","bundle":"https://pith.science/pith/MSY6YVLHDVKMQ7BAU53CMNBA7C/bundle.json","state":"https://pith.science/pith/MSY6YVLHDVKMQ7BAU53CMNBA7C/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MSY6YVLHDVKMQ7BAU53CMNBA7C/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:MSY6YVLHDVKMQ7BAU53CMNBA7C","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":"cdcacf516450eeb66b719c3cbafa8dbefaf165bc356fb8834339886fde788660","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2018-07-23T12:46:27Z","title_canon_sha256":"4166a9c5a82af6e7797cb1875c0a74441661c7f79d4e79fb049a00b5f690d3cd"},"schema_version":"1.0","source":{"id":"1807.08568","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1807.08568","created_at":"2026-05-18T00:02:44Z"},{"alias_kind":"arxiv_version","alias_value":"1807.08568v2","created_at":"2026-05-18T00:02:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1807.08568","created_at":"2026-05-18T00:02:44Z"},{"alias_kind":"pith_short_12","alias_value":"MSY6YVLHDVKM","created_at":"2026-05-18T12:32:40Z"},{"alias_kind":"pith_short_16","alias_value":"MSY6YVLHDVKMQ7BA","created_at":"2026-05-18T12:32:40Z"},{"alias_kind":"pith_short_8","alias_value":"MSY6YVLH","created_at":"2026-05-18T12:32:40Z"}],"graph_snapshots":[{"event_id":"sha256:2720684370961d799f03fe4ab68d6f58eb31c8592684d3eeb8e3c1609303940d","target":"graph","created_at":"2026-05-18T00:02:44Z","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":"Within a two-band $k\\cdot p$ method we analyze different types of strain for the $K$ valley optical characteristics of a freestanding monolayer MoS$_2$, MoSe$_2$, WS$_2$ and WSe$_2$. We predict that circular polarization selectivity for energies above the direct transition onset deteriorates/improves by tensile/compressive strain. Wide range of available strained-sample photoluminescence data can be reasonably reproduced by this simple bandstructure combined with accounting for excitons at a variational level. According to this model strain impacts optoelectronic properties through its hydrost","authors_text":"Ceyhun Bulutay, Shahnaz Aas","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2018-07-23T12:46:27Z","title":"Strain dependence of photoluminescence and circular dichroism in transition metal dichalcogenides: a k.p analysis"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1807.08568","kind":"arxiv","version":2},"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:b11f0189ab64279c00e9fe70890432f0ef633b0c86ae52413bcefbf1c54dbffc","target":"record","created_at":"2026-05-18T00:02:44Z","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":"cdcacf516450eeb66b719c3cbafa8dbefaf165bc356fb8834339886fde788660","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2018-07-23T12:46:27Z","title_canon_sha256":"4166a9c5a82af6e7797cb1875c0a74441661c7f79d4e79fb049a00b5f690d3cd"},"schema_version":"1.0","source":{"id":"1807.08568","kind":"arxiv","version":2}},"canonical_sha256":"64b1ec55671d54c87c20a776263420f897b368f29d62dd56aa6e37fc2eda6a4b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"64b1ec55671d54c87c20a776263420f897b368f29d62dd56aa6e37fc2eda6a4b","first_computed_at":"2026-05-18T00:02:44.528438Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:02:44.528438Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"nE5DEwV6P3ZXWDXlKy3UInjMY7kmApMKGl4hNvap5+InswDJwaOQ1qL9VJdHUEkKecoWBvh3SKOhdxGSbU7DAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:02:44.529126Z","signed_message":"canonical_sha256_bytes"},"source_id":"1807.08568","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b11f0189ab64279c00e9fe70890432f0ef633b0c86ae52413bcefbf1c54dbffc","sha256:2720684370961d799f03fe4ab68d6f58eb31c8592684d3eeb8e3c1609303940d"],"state_sha256":"3df1ac51f8f76421a8992b14d6d5fbc44d326b46c1949ac07edaa50dce512d66"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zFRn7GKcU9RgSuSQQbabbxOz5m443BJCQmklaZtag1MQjsOjZ8vJmUujEeHvmmGdy2bQ6pUG7WbuQsCGUOF9Aw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T15:21:38.008701Z","bundle_sha256":"3944c31e7fd56456c187f18f5ace3b8066a5281e7cab2053d49fada2112af401"}}