{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:4FSKKUJRGQSNKC7NZ2UXC7LQGC","short_pith_number":"pith:4FSKKUJR","canonical_record":{"source":{"id":"1103.1504","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2011-03-08T12:33:57Z","cross_cats_sorted":[],"title_canon_sha256":"a7601924561f18e2b8f47cf8b07d4dd704f9ffbc1121bbcd70682adb7af435db","abstract_canon_sha256":"e3dd254ab2b3f5036047c49ef14d964b6a7591300b41a0aded4c93c84e5e2116"},"schema_version":"1.0"},"canonical_sha256":"e164a551313424d50bedcea9717d7030b3c49c06b698f63b1c166b3ab095f61b","source":{"kind":"arxiv","id":"1103.1504","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1103.1504","created_at":"2026-05-18T02:02:56Z"},{"alias_kind":"arxiv_version","alias_value":"1103.1504v1","created_at":"2026-05-18T02:02:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1103.1504","created_at":"2026-05-18T02:02:56Z"},{"alias_kind":"pith_short_12","alias_value":"4FSKKUJRGQSN","created_at":"2026-05-18T12:26:20Z"},{"alias_kind":"pith_short_16","alias_value":"4FSKKUJRGQSNKC7N","created_at":"2026-05-18T12:26:20Z"},{"alias_kind":"pith_short_8","alias_value":"4FSKKUJR","created_at":"2026-05-18T12:26:20Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:4FSKKUJRGQSNKC7NZ2UXC7LQGC","target":"record","payload":{"canonical_record":{"source":{"id":"1103.1504","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2011-03-08T12:33:57Z","cross_cats_sorted":[],"title_canon_sha256":"a7601924561f18e2b8f47cf8b07d4dd704f9ffbc1121bbcd70682adb7af435db","abstract_canon_sha256":"e3dd254ab2b3f5036047c49ef14d964b6a7591300b41a0aded4c93c84e5e2116"},"schema_version":"1.0"},"canonical_sha256":"e164a551313424d50bedcea9717d7030b3c49c06b698f63b1c166b3ab095f61b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:02:56.483592Z","signature_b64":"yzIc5akx6vMbE5FWVdvDEfM/QrRDEopgEmQukOPpy9tZ/v9UwhMNjLye+wUZRpjDoJW/2IW3yb2Sh4sa39vfDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e164a551313424d50bedcea9717d7030b3c49c06b698f63b1c166b3ab095f61b","last_reissued_at":"2026-05-18T02:02:56.482934Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:02:56.482934Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1103.1504","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":"2026-05-18T02:02:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hYfUdwYKtL6ZWQkH9yvr+DSzXlZEwQIU3NvR9rv0SehfVftorPb0tGETQ4MlFRWGj+FccsO2OwyCHFnudhtSAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T07:26:26.047142Z"},"content_sha256":"f38d0184d9f542a426a0ebf280ad6f50af6c62af6835dafd0fb4006da71070de","schema_version":"1.0","event_id":"sha256:f38d0184d9f542a426a0ebf280ad6f50af6c62af6835dafd0fb4006da71070de"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:4FSKKUJRGQSNKC7NZ2UXC7LQGC","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Delay and distortion of slow light pulses by excitons in ZnO","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"A. A. Toropov, B. Gil, B. Monemar, D. Lagarde, G. Pozina, J. Leymarie, J. P. Bergman, M. M. Glazov, N. A. Gippius, P. Disseix, T. V. Shubina","submitted_at":"2011-03-08T12:33:57Z","abstract_excerpt":"Light pulses propagating through ZnO undergo distortions caused by both bound and free excitons. Numerous lines of bound excitons dissect the pulse and induce slowing of light around them, to the extend dependent on their nature. Exciton-polariton resonances determine the overall pulse delay and attenuation. The delay time of the higher-energy edge of a strongly curved light stripe approaches 1.6 ns at 3.374 eV with a 0.3 mm propagation length. Modelling the data of cw and time-of-flight spectroscopies has enabled us to determine the excitonic parameters, inherent for bulk ZnO. We reveal the r"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1103.1504","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":"2026-05-18T02:02:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wcp6DxKr2SzisxOowVPcVTzzSHAoVT4N9v9GsffPVdMDP6Le/serNVRjVO/V3dd291+nMbbvi+wWvUeQbNFyAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T07:26:26.047529Z"},"content_sha256":"2a6a678b7597b9b3bba7b2a2017fed0f5ea55f05cecdc57395f84e2466d0c5f7","schema_version":"1.0","event_id":"sha256:2a6a678b7597b9b3bba7b2a2017fed0f5ea55f05cecdc57395f84e2466d0c5f7"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4FSKKUJRGQSNKC7NZ2UXC7LQGC/bundle.json","state_url":"https://pith.science/pith/4FSKKUJRGQSNKC7NZ2UXC7LQGC/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4FSKKUJRGQSNKC7NZ2UXC7LQGC/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":"2026-05-28T07:26:26Z","links":{"resolver":"https://pith.science/pith/4FSKKUJRGQSNKC7NZ2UXC7LQGC","bundle":"https://pith.science/pith/4FSKKUJRGQSNKC7NZ2UXC7LQGC/bundle.json","state":"https://pith.science/pith/4FSKKUJRGQSNKC7NZ2UXC7LQGC/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4FSKKUJRGQSNKC7NZ2UXC7LQGC/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:4FSKKUJRGQSNKC7NZ2UXC7LQGC","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":"e3dd254ab2b3f5036047c49ef14d964b6a7591300b41a0aded4c93c84e5e2116","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2011-03-08T12:33:57Z","title_canon_sha256":"a7601924561f18e2b8f47cf8b07d4dd704f9ffbc1121bbcd70682adb7af435db"},"schema_version":"1.0","source":{"id":"1103.1504","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1103.1504","created_at":"2026-05-18T02:02:56Z"},{"alias_kind":"arxiv_version","alias_value":"1103.1504v1","created_at":"2026-05-18T02:02:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1103.1504","created_at":"2026-05-18T02:02:56Z"},{"alias_kind":"pith_short_12","alias_value":"4FSKKUJRGQSN","created_at":"2026-05-18T12:26:20Z"},{"alias_kind":"pith_short_16","alias_value":"4FSKKUJRGQSNKC7N","created_at":"2026-05-18T12:26:20Z"},{"alias_kind":"pith_short_8","alias_value":"4FSKKUJR","created_at":"2026-05-18T12:26:20Z"}],"graph_snapshots":[{"event_id":"sha256:2a6a678b7597b9b3bba7b2a2017fed0f5ea55f05cecdc57395f84e2466d0c5f7","target":"graph","created_at":"2026-05-18T02:02:56Z","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":"Light pulses propagating through ZnO undergo distortions caused by both bound and free excitons. Numerous lines of bound excitons dissect the pulse and induce slowing of light around them, to the extend dependent on their nature. Exciton-polariton resonances determine the overall pulse delay and attenuation. The delay time of the higher-energy edge of a strongly curved light stripe approaches 1.6 ns at 3.374 eV with a 0.3 mm propagation length. Modelling the data of cw and time-of-flight spectroscopies has enabled us to determine the excitonic parameters, inherent for bulk ZnO. We reveal the r","authors_text":"A. A. Toropov, B. Gil, B. Monemar, D. Lagarde, G. Pozina, J. Leymarie, J. P. Bergman, M. M. Glazov, N. A. Gippius, P. Disseix, T. V. Shubina","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2011-03-08T12:33:57Z","title":"Delay and distortion of slow light pulses by excitons in ZnO"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1103.1504","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:f38d0184d9f542a426a0ebf280ad6f50af6c62af6835dafd0fb4006da71070de","target":"record","created_at":"2026-05-18T02:02:56Z","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":"e3dd254ab2b3f5036047c49ef14d964b6a7591300b41a0aded4c93c84e5e2116","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2011-03-08T12:33:57Z","title_canon_sha256":"a7601924561f18e2b8f47cf8b07d4dd704f9ffbc1121bbcd70682adb7af435db"},"schema_version":"1.0","source":{"id":"1103.1504","kind":"arxiv","version":1}},"canonical_sha256":"e164a551313424d50bedcea9717d7030b3c49c06b698f63b1c166b3ab095f61b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e164a551313424d50bedcea9717d7030b3c49c06b698f63b1c166b3ab095f61b","first_computed_at":"2026-05-18T02:02:56.482934Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:02:56.482934Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"yzIc5akx6vMbE5FWVdvDEfM/QrRDEopgEmQukOPpy9tZ/v9UwhMNjLye+wUZRpjDoJW/2IW3yb2Sh4sa39vfDA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:02:56.483592Z","signed_message":"canonical_sha256_bytes"},"source_id":"1103.1504","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f38d0184d9f542a426a0ebf280ad6f50af6c62af6835dafd0fb4006da71070de","sha256:2a6a678b7597b9b3bba7b2a2017fed0f5ea55f05cecdc57395f84e2466d0c5f7"],"state_sha256":"689db49ee86f325f4bd6d18d34c101d88d36d7e8658c205b5a0edeced37d3920"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"R8xoTNOP77eJQVbn1GCqs+Qcozq4164CXhilqtB6tB3lB5nvE4J6S4Dezj8+xUjSn/dCIgMsklS4tZqgjDf1Aw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T07:26:26.049651Z","bundle_sha256":"1db20e7e5310d72b481f95da24250d142747c083b0f7e6255ab30927388d4e69"}}