{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:S6KFZ76QYWK537B3ME2UF353FF","short_pith_number":"pith:S6KFZ76Q","canonical_record":{"source":{"id":"1508.04407","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-08-18T18:39:54Z","cross_cats_sorted":[],"title_canon_sha256":"276cd1e7be5079bec143d3eb75cc57d1124361cd4ac5e5f6de557e696ce33168","abstract_canon_sha256":"02dd3565a32c0b3d1a54375077413384da313fb6aeb69a2e1338336a2ae07114"},"schema_version":"1.0"},"canonical_sha256":"97945cffd0c595ddfc3b613542efbb297ba5888fcb129c5b02928e07e108745f","source":{"kind":"arxiv","id":"1508.04407","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1508.04407","created_at":"2026-05-18T01:17:43Z"},{"alias_kind":"arxiv_version","alias_value":"1508.04407v2","created_at":"2026-05-18T01:17:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1508.04407","created_at":"2026-05-18T01:17:43Z"},{"alias_kind":"pith_short_12","alias_value":"S6KFZ76QYWK5","created_at":"2026-05-18T12:29:39Z"},{"alias_kind":"pith_short_16","alias_value":"S6KFZ76QYWK537B3","created_at":"2026-05-18T12:29:39Z"},{"alias_kind":"pith_short_8","alias_value":"S6KFZ76Q","created_at":"2026-05-18T12:29:39Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:S6KFZ76QYWK537B3ME2UF353FF","target":"record","payload":{"canonical_record":{"source":{"id":"1508.04407","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-08-18T18:39:54Z","cross_cats_sorted":[],"title_canon_sha256":"276cd1e7be5079bec143d3eb75cc57d1124361cd4ac5e5f6de557e696ce33168","abstract_canon_sha256":"02dd3565a32c0b3d1a54375077413384da313fb6aeb69a2e1338336a2ae07114"},"schema_version":"1.0"},"canonical_sha256":"97945cffd0c595ddfc3b613542efbb297ba5888fcb129c5b02928e07e108745f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:17:43.715301Z","signature_b64":"m7Lgv2cPI1/Gsc7YesMuiieVRJy0tOq4WRzBmtva8FMStgz1cytfmHa+l8qUWBCJosXUx4OAoVb8YPEHiWuXAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"97945cffd0c595ddfc3b613542efbb297ba5888fcb129c5b02928e07e108745f","last_reissued_at":"2026-05-18T01:17:43.714626Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:17:43.714626Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1508.04407","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":"2026-05-18T01:17:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"u2GkBmzTcYgq3iLftlmngRppGWrAa4tEEfHlAVSMtscwWXxsdnvEVJzqv13i7qbOjBWnxIv8i1Yd+eSpLmxYAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-29T17:53:56.612165Z"},"content_sha256":"23df95fedd4b7bed91cce8198236c5c6c93c4b6d53e4bb1c83826ce353c9d4b2","schema_version":"1.0","event_id":"sha256:23df95fedd4b7bed91cce8198236c5c6c93c4b6d53e4bb1c83826ce353c9d4b2"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:S6KFZ76QYWK537B3ME2UF353FF","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Measurement of exciton correlations using electrostatic lattices","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"A.C. Gossard, C.J. Dorow, J.R. Leonard, L.V. Butov, M. Hanson, M.M. Fogler, M. Remeika","submitted_at":"2015-08-18T18:39:54Z","abstract_excerpt":"We present a method for determining correlations in a gas of indirect excitons in a semiconductor quantum well structure. The method involves subjecting the excitons to a periodic electrostatic potential that causes modulations of the exciton density and photoluminescence (PL). Experimentally measured amplitudes of energy and intensity modulations of exciton PL serve as an input to a theoretical estimate of the exciton correlation parameter and temperature. We also present a proof-of-principle demonstration of the method for determining the correlation parameter and discuss how its accuracy ca"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1508.04407","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":"2026-05-18T01:17:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6EDLlYTnUwEP7Nv+GyL6LSvA5N+ajbkkVCi/cC4WtUmNHIbrgSLM2RDiO3dtXtym/3IoFs/7k5DiyWM8iiVfDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-29T17:53:56.612843Z"},"content_sha256":"a6432f78da4b54eef34320ddb4f6e68b469ec4042b6ce70c0662335434304306","schema_version":"1.0","event_id":"sha256:a6432f78da4b54eef34320ddb4f6e68b469ec4042b6ce70c0662335434304306"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/S6KFZ76QYWK537B3ME2UF353FF/bundle.json","state_url":"https://pith.science/pith/S6KFZ76QYWK537B3ME2UF353FF/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/S6KFZ76QYWK537B3ME2UF353FF/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":"2026-05-29T17:53:56Z","links":{"resolver":"https://pith.science/pith/S6KFZ76QYWK537B3ME2UF353FF","bundle":"https://pith.science/pith/S6KFZ76QYWK537B3ME2UF353FF/bundle.json","state":"https://pith.science/pith/S6KFZ76QYWK537B3ME2UF353FF/state.json","well_known_bundle":"https://pith.science/.well-known/pith/S6KFZ76QYWK537B3ME2UF353FF/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:S6KFZ76QYWK537B3ME2UF353FF","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":"02dd3565a32c0b3d1a54375077413384da313fb6aeb69a2e1338336a2ae07114","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-08-18T18:39:54Z","title_canon_sha256":"276cd1e7be5079bec143d3eb75cc57d1124361cd4ac5e5f6de557e696ce33168"},"schema_version":"1.0","source":{"id":"1508.04407","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1508.04407","created_at":"2026-05-18T01:17:43Z"},{"alias_kind":"arxiv_version","alias_value":"1508.04407v2","created_at":"2026-05-18T01:17:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1508.04407","created_at":"2026-05-18T01:17:43Z"},{"alias_kind":"pith_short_12","alias_value":"S6KFZ76QYWK5","created_at":"2026-05-18T12:29:39Z"},{"alias_kind":"pith_short_16","alias_value":"S6KFZ76QYWK537B3","created_at":"2026-05-18T12:29:39Z"},{"alias_kind":"pith_short_8","alias_value":"S6KFZ76Q","created_at":"2026-05-18T12:29:39Z"}],"graph_snapshots":[{"event_id":"sha256:a6432f78da4b54eef34320ddb4f6e68b469ec4042b6ce70c0662335434304306","target":"graph","created_at":"2026-05-18T01:17:43Z","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":"We present a method for determining correlations in a gas of indirect excitons in a semiconductor quantum well structure. The method involves subjecting the excitons to a periodic electrostatic potential that causes modulations of the exciton density and photoluminescence (PL). Experimentally measured amplitudes of energy and intensity modulations of exciton PL serve as an input to a theoretical estimate of the exciton correlation parameter and temperature. We also present a proof-of-principle demonstration of the method for determining the correlation parameter and discuss how its accuracy ca","authors_text":"A.C. Gossard, C.J. Dorow, J.R. Leonard, L.V. Butov, M. Hanson, M.M. Fogler, M. Remeika","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-08-18T18:39:54Z","title":"Measurement of exciton correlations using electrostatic lattices"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1508.04407","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":"sha256:23df95fedd4b7bed91cce8198236c5c6c93c4b6d53e4bb1c83826ce353c9d4b2","target":"record","created_at":"2026-05-18T01:17:43Z","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":"02dd3565a32c0b3d1a54375077413384da313fb6aeb69a2e1338336a2ae07114","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-08-18T18:39:54Z","title_canon_sha256":"276cd1e7be5079bec143d3eb75cc57d1124361cd4ac5e5f6de557e696ce33168"},"schema_version":"1.0","source":{"id":"1508.04407","kind":"arxiv","version":2}},"canonical_sha256":"97945cffd0c595ddfc3b613542efbb297ba5888fcb129c5b02928e07e108745f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"97945cffd0c595ddfc3b613542efbb297ba5888fcb129c5b02928e07e108745f","first_computed_at":"2026-05-18T01:17:43.714626Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:17:43.714626Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"m7Lgv2cPI1/Gsc7YesMuiieVRJy0tOq4WRzBmtva8FMStgz1cytfmHa+l8qUWBCJosXUx4OAoVb8YPEHiWuXAA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:17:43.715301Z","signed_message":"canonical_sha256_bytes"},"source_id":"1508.04407","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:23df95fedd4b7bed91cce8198236c5c6c93c4b6d53e4bb1c83826ce353c9d4b2","sha256:a6432f78da4b54eef34320ddb4f6e68b469ec4042b6ce70c0662335434304306"],"state_sha256":"73b8a9be6a3efb71fa31fa1f47dc79849db7f94f4d32ffe924809568dec2804e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sztoLvx5W35CoJxeLkKceasffKSriy5RLpYEHASt/nS5r1hNSMXHFxgj/Zkbr6md7VDAmPcO03DDpQp847GsCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-29T17:53:56.616300Z","bundle_sha256":"9df6bdb241faf6be91b734326a61f014bae30988851161f93c8ae6e3d01eed28"}}