{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:2NAGUNZ6XNARNXC7W3JAHJCSC6","short_pith_number":"pith:2NAGUNZ6","canonical_record":{"source":{"id":"2112.12383","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2021-12-23T06:44:08Z","cross_cats_sorted":["cond-mat.quant-gas"],"title_canon_sha256":"2a06558f897817c4638ee4a70d171516ec9ad43e59f4011dfa571557d6e91cdc","abstract_canon_sha256":"ecf9676076b72d7867d0ace5bf9695c70bc0dbb7797dda3381db21208474d640"},"schema_version":"1.0"},"canonical_sha256":"d3406a373ebb4116dc5fb6d203a45217a403d5f4ac605e816efe962b83467052","source":{"kind":"arxiv","id":"2112.12383","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2112.12383","created_at":"2026-07-05T05:05:29Z"},{"alias_kind":"arxiv_version","alias_value":"2112.12383v2","created_at":"2026-07-05T05:05:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2112.12383","created_at":"2026-07-05T05:05:29Z"},{"alias_kind":"pith_short_12","alias_value":"2NAGUNZ6XNAR","created_at":"2026-07-05T05:05:29Z"},{"alias_kind":"pith_short_16","alias_value":"2NAGUNZ6XNARNXC7","created_at":"2026-07-05T05:05:29Z"},{"alias_kind":"pith_short_8","alias_value":"2NAGUNZ6","created_at":"2026-07-05T05:05:29Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:2NAGUNZ6XNARNXC7W3JAHJCSC6","target":"record","payload":{"canonical_record":{"source":{"id":"2112.12383","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2021-12-23T06:44:08Z","cross_cats_sorted":["cond-mat.quant-gas"],"title_canon_sha256":"2a06558f897817c4638ee4a70d171516ec9ad43e59f4011dfa571557d6e91cdc","abstract_canon_sha256":"ecf9676076b72d7867d0ace5bf9695c70bc0dbb7797dda3381db21208474d640"},"schema_version":"1.0"},"canonical_sha256":"d3406a373ebb4116dc5fb6d203a45217a403d5f4ac605e816efe962b83467052","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T05:05:29.626396Z","signature_b64":"MnIHPs4fvfKEqq/dnGFpAJx1JeWSSRmAADsQhz+4kvrE28RuwuhdyIBSO0bDA2H1Z/J6Y/ZFReoDejfD6G/CCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d3406a373ebb4116dc5fb6d203a45217a403d5f4ac605e816efe962b83467052","last_reissued_at":"2026-07-05T05:05:29.625835Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T05:05:29.625835Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2112.12383","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":"2026-07-05T05:05:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ovFnVXqT41tjMpnvYgybb2i4JxbmaNYEu46Wj2zrscME0NRVYl8+nqZB129VIVyzAwrhM9iuPwN555BxnPh8DQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T08:10:47.308158Z"},"content_sha256":"1f91b166c24e2a843942b1f2fc1894b33994ef84ca5c98dcee6b9e4f078f6158","schema_version":"1.0","event_id":"sha256:1f91b166c24e2a843942b1f2fc1894b33994ef84ca5c98dcee6b9e4f078f6158"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:2NAGUNZ6XNARNXC7W3JAHJCSC6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Enhancing ground state population and macroscopic coherence of room-temperature WS$_2$ polaritons through engineered confinement","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cond-mat.quant-gas"],"primary_cat":"cond-mat.mes-hall","authors_text":"A. G. Truscott, C. Schneider, E. A. Ostrovskaya, E. Estrecho, M. Wurdack, S. Todd","submitted_at":"2021-12-23T06:44:08Z","abstract_excerpt":"Exciton-polaritons (polaritons herein) in transition-metal dichalcogenide monolayers have attracted significant attention due to their potential for polariton-based optoelectronics. Many of the proposed applications rely on the ability to trap polaritons and to reach macroscopic occupation of their ground energy state. Here, we engineer a trap for room-temperature polaritons in an all-dielectric optical microcavity by locally increasing the interactions between the WS$_2$ excitons and cavity photons. The resulting confinement enhances the population and the first-order coherence of the polarit"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2112.12383","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2112.12383/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T05:05:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LY44SiEckm6sLJGrNkK9Z6M+FwTdZiNK6UNssxUVWXoZqEkGIS8/LpH9LncG58jr7L1BMlbyVdJonAOgMUxoBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T08:10:47.309516Z"},"content_sha256":"078847785b7ec64e58de6fff5e6a7145119df3090c968100652d9bdb1d67f394","schema_version":"1.0","event_id":"sha256:078847785b7ec64e58de6fff5e6a7145119df3090c968100652d9bdb1d67f394"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2NAGUNZ6XNARNXC7W3JAHJCSC6/bundle.json","state_url":"https://pith.science/pith/2NAGUNZ6XNARNXC7W3JAHJCSC6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2NAGUNZ6XNARNXC7W3JAHJCSC6/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":"2026-08-04T08:10:47Z","links":{"resolver":"https://pith.science/pith/2NAGUNZ6XNARNXC7W3JAHJCSC6","bundle":"https://pith.science/pith/2NAGUNZ6XNARNXC7W3JAHJCSC6/bundle.json","state":"https://pith.science/pith/2NAGUNZ6XNARNXC7W3JAHJCSC6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2NAGUNZ6XNARNXC7W3JAHJCSC6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:2NAGUNZ6XNARNXC7W3JAHJCSC6","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":"ecf9676076b72d7867d0ace5bf9695c70bc0dbb7797dda3381db21208474d640","cross_cats_sorted":["cond-mat.quant-gas"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2021-12-23T06:44:08Z","title_canon_sha256":"2a06558f897817c4638ee4a70d171516ec9ad43e59f4011dfa571557d6e91cdc"},"schema_version":"1.0","source":{"id":"2112.12383","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2112.12383","created_at":"2026-07-05T05:05:29Z"},{"alias_kind":"arxiv_version","alias_value":"2112.12383v2","created_at":"2026-07-05T05:05:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2112.12383","created_at":"2026-07-05T05:05:29Z"},{"alias_kind":"pith_short_12","alias_value":"2NAGUNZ6XNAR","created_at":"2026-07-05T05:05:29Z"},{"alias_kind":"pith_short_16","alias_value":"2NAGUNZ6XNARNXC7","created_at":"2026-07-05T05:05:29Z"},{"alias_kind":"pith_short_8","alias_value":"2NAGUNZ6","created_at":"2026-07-05T05:05:29Z"}],"graph_snapshots":[{"event_id":"sha256:078847785b7ec64e58de6fff5e6a7145119df3090c968100652d9bdb1d67f394","target":"graph","created_at":"2026-07-05T05:05:29Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2112.12383/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Exciton-polaritons (polaritons herein) in transition-metal dichalcogenide monolayers have attracted significant attention due to their potential for polariton-based optoelectronics. Many of the proposed applications rely on the ability to trap polaritons and to reach macroscopic occupation of their ground energy state. Here, we engineer a trap for room-temperature polaritons in an all-dielectric optical microcavity by locally increasing the interactions between the WS$_2$ excitons and cavity photons. The resulting confinement enhances the population and the first-order coherence of the polarit","authors_text":"A. G. Truscott, C. Schneider, E. A. Ostrovskaya, E. Estrecho, M. Wurdack, S. Todd","cross_cats":["cond-mat.quant-gas"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2021-12-23T06:44:08Z","title":"Enhancing ground state population and macroscopic coherence of room-temperature WS$_2$ polaritons through engineered confinement"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2112.12383","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":"sha256:1f91b166c24e2a843942b1f2fc1894b33994ef84ca5c98dcee6b9e4f078f6158","target":"record","created_at":"2026-07-05T05:05:29Z","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":"ecf9676076b72d7867d0ace5bf9695c70bc0dbb7797dda3381db21208474d640","cross_cats_sorted":["cond-mat.quant-gas"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2021-12-23T06:44:08Z","title_canon_sha256":"2a06558f897817c4638ee4a70d171516ec9ad43e59f4011dfa571557d6e91cdc"},"schema_version":"1.0","source":{"id":"2112.12383","kind":"arxiv","version":2}},"canonical_sha256":"d3406a373ebb4116dc5fb6d203a45217a403d5f4ac605e816efe962b83467052","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d3406a373ebb4116dc5fb6d203a45217a403d5f4ac605e816efe962b83467052","first_computed_at":"2026-07-05T05:05:29.625835Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T05:05:29.625835Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"MnIHPs4fvfKEqq/dnGFpAJx1JeWSSRmAADsQhz+4kvrE28RuwuhdyIBSO0bDA2H1Z/J6Y/ZFReoDejfD6G/CCg==","signature_status":"signed_v1","signed_at":"2026-07-05T05:05:29.626396Z","signed_message":"canonical_sha256_bytes"},"source_id":"2112.12383","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1f91b166c24e2a843942b1f2fc1894b33994ef84ca5c98dcee6b9e4f078f6158","sha256:078847785b7ec64e58de6fff5e6a7145119df3090c968100652d9bdb1d67f394"],"state_sha256":"38dfa4baee26a84f27c47480464dff2f1481ae6e1f5b6be7f3392db09dd2383f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"AZVj1sQ0XTu9Lml3je9e7fbSmKcVLNoZ/bHUr4qJKBIbIU8edUaI9pBoMoMiy8/RVgVNyETdxp4w1dKUq2I6DA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-04T08:10:47.313562Z","bundle_sha256":"6b3a03f3865486689c75a3f92f28e43102ec41cc3837ae092307868391052fef"}}