{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:WXCZZH7JSFB5GDCZJ4ICVUWEJO","short_pith_number":"pith:WXCZZH7J","canonical_record":{"source":{"id":"1904.12402","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2019-04-28T23:54:27Z","cross_cats_sorted":["physics.chem-ph"],"title_canon_sha256":"7f3de6fe698a247497cc69b4969ff567b425f562e9e3b6b570ba0ea84993d394","abstract_canon_sha256":"f466b0c280a94c2c2123db19f2a034f89d4aec7c64e055f25f3f9c3c0b1de13f"},"schema_version":"1.0"},"canonical_sha256":"b5c59c9fe99143d30c594f102ad2c44bac2b128cee62594d3e1d20b977fd9c0a","source":{"kind":"arxiv","id":"1904.12402","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1904.12402","created_at":"2026-07-05T00:25:09Z"},{"alias_kind":"arxiv_version","alias_value":"1904.12402v2","created_at":"2026-07-05T00:25:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1904.12402","created_at":"2026-07-05T00:25:09Z"},{"alias_kind":"pith_short_12","alias_value":"WXCZZH7JSFB5","created_at":"2026-07-05T00:25:09Z"},{"alias_kind":"pith_short_16","alias_value":"WXCZZH7JSFB5GDCZ","created_at":"2026-07-05T00:25:09Z"},{"alias_kind":"pith_short_8","alias_value":"WXCZZH7J","created_at":"2026-07-05T00:25:09Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:WXCZZH7JSFB5GDCZJ4ICVUWEJO","target":"record","payload":{"canonical_record":{"source":{"id":"1904.12402","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2019-04-28T23:54:27Z","cross_cats_sorted":["physics.chem-ph"],"title_canon_sha256":"7f3de6fe698a247497cc69b4969ff567b425f562e9e3b6b570ba0ea84993d394","abstract_canon_sha256":"f466b0c280a94c2c2123db19f2a034f89d4aec7c64e055f25f3f9c3c0b1de13f"},"schema_version":"1.0"},"canonical_sha256":"b5c59c9fe99143d30c594f102ad2c44bac2b128cee62594d3e1d20b977fd9c0a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:25:09.945107Z","signature_b64":"/r/21/HAFqG2Q8x1KQ53WqfPoR2EG2PjKNMm9xrsmNAN1gb/Q28UV35YlTVpBxDn6fXC4LPZkd7ZGdnd7uvxAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b5c59c9fe99143d30c594f102ad2c44bac2b128cee62594d3e1d20b977fd9c0a","last_reissued_at":"2026-07-05T00:25:09.944628Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:25:09.944628Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1904.12402","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":"2026-07-05T00:25:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CVaWTqbT0WaMH5OgerSJqbmOWqj2VR8FSM89Qxi9Jbuku5Whipf5NqGnpjKK+lrPU4RsmERpjYEp471Nfh8gAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-15T19:54:10.432758Z"},"content_sha256":"75a132999cb314b47e5656167e8c51d62311fcc6eebe29086da4c5e5f0d3ab1a","schema_version":"1.0","event_id":"sha256:75a132999cb314b47e5656167e8c51d62311fcc6eebe29086da4c5e5f0d3ab1a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:WXCZZH7JSFB5GDCZJ4ICVUWEJO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Enhanced screening and spectral diversity in many-body elastic scattering of excitons in two-dimensional hybrid metal-halide perovskites","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.chem-ph"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Ajay Ram Srimath Kandada, Annamaria Petrozza, Carlos Silva, Daniele Cortecchia, F\\'elix Thouin","submitted_at":"2019-04-28T23:54:27Z","abstract_excerpt":"In two-dimensional hybrid organic-inorganic metal-halide perovskites, the intrinsic optical lineshape reflects multiple excitons with distinct binding energies, each dressed differently by the hybrid lattice. Given this complexity, a fundamentally far-reaching issue is how Coulomb-mediated many-body interactions --- elastic scattering such as excitation-induced dephasing, inelastic exciton bimolecular scattering, and multi-exciton binding --- depend upon the specific exciton-lattice coupling. We report the intrinsic and density-dependent exciton pure dephasing rates and their dependence on tem"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1904.12402","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/1904.12402/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":"2026-07-05T00:25:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MzMqFcbhQClSfj8U/FH95lZ4c71fBO96QoVzxy7qWNAp1aOgewkcWt5T7drIsFFBRf1lGY4eccZroqQK5ixGBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-15T19:54:10.433270Z"},"content_sha256":"71b380be430916856a7b6f94ab8a770e965e05676883b32b9d38cf659f88241d","schema_version":"1.0","event_id":"sha256:71b380be430916856a7b6f94ab8a770e965e05676883b32b9d38cf659f88241d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/WXCZZH7JSFB5GDCZJ4ICVUWEJO/bundle.json","state_url":"https://pith.science/pith/WXCZZH7JSFB5GDCZJ4ICVUWEJO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/WXCZZH7JSFB5GDCZJ4ICVUWEJO/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":"2026-08-15T19:54:10Z","links":{"resolver":"https://pith.science/pith/WXCZZH7JSFB5GDCZJ4ICVUWEJO","bundle":"https://pith.science/pith/WXCZZH7JSFB5GDCZJ4ICVUWEJO/bundle.json","state":"https://pith.science/pith/WXCZZH7JSFB5GDCZJ4ICVUWEJO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/WXCZZH7JSFB5GDCZJ4ICVUWEJO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:WXCZZH7JSFB5GDCZJ4ICVUWEJO","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":"f466b0c280a94c2c2123db19f2a034f89d4aec7c64e055f25f3f9c3c0b1de13f","cross_cats_sorted":["physics.chem-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2019-04-28T23:54:27Z","title_canon_sha256":"7f3de6fe698a247497cc69b4969ff567b425f562e9e3b6b570ba0ea84993d394"},"schema_version":"1.0","source":{"id":"1904.12402","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1904.12402","created_at":"2026-07-05T00:25:09Z"},{"alias_kind":"arxiv_version","alias_value":"1904.12402v2","created_at":"2026-07-05T00:25:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1904.12402","created_at":"2026-07-05T00:25:09Z"},{"alias_kind":"pith_short_12","alias_value":"WXCZZH7JSFB5","created_at":"2026-07-05T00:25:09Z"},{"alias_kind":"pith_short_16","alias_value":"WXCZZH7JSFB5GDCZ","created_at":"2026-07-05T00:25:09Z"},{"alias_kind":"pith_short_8","alias_value":"WXCZZH7J","created_at":"2026-07-05T00:25:09Z"}],"graph_snapshots":[{"event_id":"sha256:71b380be430916856a7b6f94ab8a770e965e05676883b32b9d38cf659f88241d","target":"graph","created_at":"2026-07-05T00:25:09Z","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/1904.12402/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In two-dimensional hybrid organic-inorganic metal-halide perovskites, the intrinsic optical lineshape reflects multiple excitons with distinct binding energies, each dressed differently by the hybrid lattice. Given this complexity, a fundamentally far-reaching issue is how Coulomb-mediated many-body interactions --- elastic scattering such as excitation-induced dephasing, inelastic exciton bimolecular scattering, and multi-exciton binding --- depend upon the specific exciton-lattice coupling. We report the intrinsic and density-dependent exciton pure dephasing rates and their dependence on tem","authors_text":"Ajay Ram Srimath Kandada, Annamaria Petrozza, Carlos Silva, Daniele Cortecchia, F\\'elix Thouin","cross_cats":["physics.chem-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2019-04-28T23:54:27Z","title":"Enhanced screening and spectral diversity in many-body elastic scattering of excitons in two-dimensional hybrid metal-halide perovskites"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1904.12402","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":"sha256:75a132999cb314b47e5656167e8c51d62311fcc6eebe29086da4c5e5f0d3ab1a","target":"record","created_at":"2026-07-05T00:25:09Z","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":"f466b0c280a94c2c2123db19f2a034f89d4aec7c64e055f25f3f9c3c0b1de13f","cross_cats_sorted":["physics.chem-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2019-04-28T23:54:27Z","title_canon_sha256":"7f3de6fe698a247497cc69b4969ff567b425f562e9e3b6b570ba0ea84993d394"},"schema_version":"1.0","source":{"id":"1904.12402","kind":"arxiv","version":2}},"canonical_sha256":"b5c59c9fe99143d30c594f102ad2c44bac2b128cee62594d3e1d20b977fd9c0a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b5c59c9fe99143d30c594f102ad2c44bac2b128cee62594d3e1d20b977fd9c0a","first_computed_at":"2026-07-05T00:25:09.944628Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:25:09.944628Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"/r/21/HAFqG2Q8x1KQ53WqfPoR2EG2PjKNMm9xrsmNAN1gb/Q28UV35YlTVpBxDn6fXC4LPZkd7ZGdnd7uvxAQ==","signature_status":"signed_v1","signed_at":"2026-07-05T00:25:09.945107Z","signed_message":"canonical_sha256_bytes"},"source_id":"1904.12402","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:75a132999cb314b47e5656167e8c51d62311fcc6eebe29086da4c5e5f0d3ab1a","sha256:71b380be430916856a7b6f94ab8a770e965e05676883b32b9d38cf659f88241d"],"state_sha256":"f821db17b14835f4c507dd41177f786525a2f91fe48b25800db1c3c8aae28bef"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FbMPXBsvUweugnxsEtUy7H3RFpcOT5zEVRhvncSavgHMjrVJPdN1/ll6dfDrr3PkXMaPWyy1MHPbILWOHgeQBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-15T19:54:10.439094Z","bundle_sha256":"14d4e13d236fb89397653ff7b7483c5cb1e45e4113a0f2ac6779c4acc6e4ef93"}}