{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:WJSCGO2HNKNWEHI4XJHZKPMIZN","short_pith_number":"pith:WJSCGO2H","canonical_record":{"source":{"id":"1801.02418","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/publicdomain/zero/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2018-01-08T13:52:20Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"7695d19802e834caa6e3fdc0a0415cadb47594562cab0d22a4f9fe23bca0af87","abstract_canon_sha256":"d22220df4a0c6555d6f769b577ce07e2dce682b8574cf9401d907c153dec4144"},"schema_version":"1.0"},"canonical_sha256":"b264233b476a9b621d1cba4f953d88cb751e81ea6cc0dbbb2e349dd1980ecda6","source":{"kind":"arxiv","id":"1801.02418","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1801.02418","created_at":"2026-05-18T00:03:41Z"},{"alias_kind":"arxiv_version","alias_value":"1801.02418v2","created_at":"2026-05-18T00:03:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1801.02418","created_at":"2026-05-18T00:03:41Z"},{"alias_kind":"pith_short_12","alias_value":"WJSCGO2HNKNW","created_at":"2026-05-18T12:32:59Z"},{"alias_kind":"pith_short_16","alias_value":"WJSCGO2HNKNWEHI4","created_at":"2026-05-18T12:32:59Z"},{"alias_kind":"pith_short_8","alias_value":"WJSCGO2H","created_at":"2026-05-18T12:32:59Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:WJSCGO2HNKNWEHI4XJHZKPMIZN","target":"record","payload":{"canonical_record":{"source":{"id":"1801.02418","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/publicdomain/zero/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2018-01-08T13:52:20Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"7695d19802e834caa6e3fdc0a0415cadb47594562cab0d22a4f9fe23bca0af87","abstract_canon_sha256":"d22220df4a0c6555d6f769b577ce07e2dce682b8574cf9401d907c153dec4144"},"schema_version":"1.0"},"canonical_sha256":"b264233b476a9b621d1cba4f953d88cb751e81ea6cc0dbbb2e349dd1980ecda6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:03:41.573814Z","signature_b64":"RNLVkRp4GtgAOvY5wxdfYAk3NRi4oe8uTBLYUqJllw9KHSwqbHnMSu1hGSXLkfw2yAeFUbWmeGlcyVGi/gedAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b264233b476a9b621d1cba4f953d88cb751e81ea6cc0dbbb2e349dd1980ecda6","last_reissued_at":"2026-05-18T00:03:41.573459Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:03:41.573459Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1801.02418","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":"2026-05-18T00:03:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Rlh+ZyzULgWNcUGjZcbRZzR+tp/3XmlV3IEiYEX/EiJSKkBiVrrQmCLA32Nqj81+tvSBIK3GgWH2wVLZ7zsOAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T16:32:09.190687Z"},"content_sha256":"91c5daeff03835113f98fc5d4f526b1cfb9eb30c2db56ebfce5c0eff1015d043","schema_version":"1.0","event_id":"sha256:91c5daeff03835113f98fc5d4f526b1cfb9eb30c2db56ebfce5c0eff1015d043"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:WJSCGO2HNKNWEHI4XJHZKPMIZN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Optical absorption in incoherent and coherent states of a quantum Hall system","license":"http://creativecommons.org/publicdomain/zero/1.0/","headline":"","cross_cats":["cond-mat.mes-hall"],"primary_cat":"cond-mat.str-el","authors_text":"S. Dickmann","submitted_at":"2018-01-08T13:52:20Z","abstract_excerpt":"In connection with recent studies of extremely long-living spin-cyclotron excitations (actually magneto-excitons) in a quantum Hall electron gas, we discuss contribution to the light-absorption related to the presence of a magneto-exciton ensemble in this purely electronic system. Since the weakly interacting excitations have to obey the Bose-Einstein statistics, one can expect appearance of a coherent state in the ensemble. A comparative analysis of both incoherent and coherent cases is done. Conditions for a phase transition from the incoherent state to the coherent one are discussed."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1801.02418","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":"2026-05-18T00:03:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rtjuY9yUsWRhPaDHbNfWKJO38nBcwXnnb8+gCcFbqdeAWiWCwMLQaKRCSIIQCMKSyYUmH99DH8ts/JRbr+iNDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T16:32:09.191045Z"},"content_sha256":"d0c6082c3fc48a388f141a26e20484ac30724baa70e1b8137ec7a49a7fb849de","schema_version":"1.0","event_id":"sha256:d0c6082c3fc48a388f141a26e20484ac30724baa70e1b8137ec7a49a7fb849de"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/WJSCGO2HNKNWEHI4XJHZKPMIZN/bundle.json","state_url":"https://pith.science/pith/WJSCGO2HNKNWEHI4XJHZKPMIZN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/WJSCGO2HNKNWEHI4XJHZKPMIZN/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":"2026-06-05T16:32:09Z","links":{"resolver":"https://pith.science/pith/WJSCGO2HNKNWEHI4XJHZKPMIZN","bundle":"https://pith.science/pith/WJSCGO2HNKNWEHI4XJHZKPMIZN/bundle.json","state":"https://pith.science/pith/WJSCGO2HNKNWEHI4XJHZKPMIZN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/WJSCGO2HNKNWEHI4XJHZKPMIZN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:WJSCGO2HNKNWEHI4XJHZKPMIZN","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":"d22220df4a0c6555d6f769b577ce07e2dce682b8574cf9401d907c153dec4144","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://creativecommons.org/publicdomain/zero/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2018-01-08T13:52:20Z","title_canon_sha256":"7695d19802e834caa6e3fdc0a0415cadb47594562cab0d22a4f9fe23bca0af87"},"schema_version":"1.0","source":{"id":"1801.02418","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1801.02418","created_at":"2026-05-18T00:03:41Z"},{"alias_kind":"arxiv_version","alias_value":"1801.02418v2","created_at":"2026-05-18T00:03:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1801.02418","created_at":"2026-05-18T00:03:41Z"},{"alias_kind":"pith_short_12","alias_value":"WJSCGO2HNKNW","created_at":"2026-05-18T12:32:59Z"},{"alias_kind":"pith_short_16","alias_value":"WJSCGO2HNKNWEHI4","created_at":"2026-05-18T12:32:59Z"},{"alias_kind":"pith_short_8","alias_value":"WJSCGO2H","created_at":"2026-05-18T12:32:59Z"}],"graph_snapshots":[{"event_id":"sha256:d0c6082c3fc48a388f141a26e20484ac30724baa70e1b8137ec7a49a7fb849de","target":"graph","created_at":"2026-05-18T00:03:41Z","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":"In connection with recent studies of extremely long-living spin-cyclotron excitations (actually magneto-excitons) in a quantum Hall electron gas, we discuss contribution to the light-absorption related to the presence of a magneto-exciton ensemble in this purely electronic system. Since the weakly interacting excitations have to obey the Bose-Einstein statistics, one can expect appearance of a coherent state in the ensemble. A comparative analysis of both incoherent and coherent cases is done. Conditions for a phase transition from the incoherent state to the coherent one are discussed.","authors_text":"S. Dickmann","cross_cats":["cond-mat.mes-hall"],"headline":"","license":"http://creativecommons.org/publicdomain/zero/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2018-01-08T13:52:20Z","title":"Optical absorption in incoherent and coherent states of a quantum Hall system"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1801.02418","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":"sha256:91c5daeff03835113f98fc5d4f526b1cfb9eb30c2db56ebfce5c0eff1015d043","target":"record","created_at":"2026-05-18T00:03:41Z","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":"d22220df4a0c6555d6f769b577ce07e2dce682b8574cf9401d907c153dec4144","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://creativecommons.org/publicdomain/zero/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2018-01-08T13:52:20Z","title_canon_sha256":"7695d19802e834caa6e3fdc0a0415cadb47594562cab0d22a4f9fe23bca0af87"},"schema_version":"1.0","source":{"id":"1801.02418","kind":"arxiv","version":2}},"canonical_sha256":"b264233b476a9b621d1cba4f953d88cb751e81ea6cc0dbbb2e349dd1980ecda6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b264233b476a9b621d1cba4f953d88cb751e81ea6cc0dbbb2e349dd1980ecda6","first_computed_at":"2026-05-18T00:03:41.573459Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:03:41.573459Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"RNLVkRp4GtgAOvY5wxdfYAk3NRi4oe8uTBLYUqJllw9KHSwqbHnMSu1hGSXLkfw2yAeFUbWmeGlcyVGi/gedAw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:03:41.573814Z","signed_message":"canonical_sha256_bytes"},"source_id":"1801.02418","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:91c5daeff03835113f98fc5d4f526b1cfb9eb30c2db56ebfce5c0eff1015d043","sha256:d0c6082c3fc48a388f141a26e20484ac30724baa70e1b8137ec7a49a7fb849de"],"state_sha256":"6f1840fd5fee5b875eb750205fb8c860234f857f2b7665dc0ecb4cef42829763"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4L+V+USAWx5H3TX9ZvR+NZTzMzO5z0RX+KHSyc0F8KXghz2LF3pRIzL72UecbJfpxozQtZJ2+eLo60ucwle1DQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-05T16:32:09.193072Z","bundle_sha256":"9920f5a587fad9aeaeb136ca42f43c3ae4591c6b67cc4bc5ee867cbbc49d320a"}}