{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:G2MS7WC6BHBEAFRLFSY2MYTNMV","short_pith_number":"pith:G2MS7WC6","canonical_record":{"source":{"id":"1512.08450","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-12-28T16:34:11Z","cross_cats_sorted":["cond-mat.quant-gas"],"title_canon_sha256":"b95c5ee7871c792c53888d6f92de369f1ce5566d83b317726d8d7a05b3c992d9","abstract_canon_sha256":"3d3fa0817eb827c274ce9060208c035585e65d68663cbf7199d40a2c982ff1ae"},"schema_version":"1.0"},"canonical_sha256":"36992fd85e09c240162b2cb1a6626d654c2a2d1e6a0451e6361f56f85a49ab9e","source":{"kind":"arxiv","id":"1512.08450","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1512.08450","created_at":"2026-05-18T01:17:17Z"},{"alias_kind":"arxiv_version","alias_value":"1512.08450v1","created_at":"2026-05-18T01:17:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1512.08450","created_at":"2026-05-18T01:17:17Z"},{"alias_kind":"pith_short_12","alias_value":"G2MS7WC6BHBE","created_at":"2026-05-18T12:29:22Z"},{"alias_kind":"pith_short_16","alias_value":"G2MS7WC6BHBEAFRL","created_at":"2026-05-18T12:29:22Z"},{"alias_kind":"pith_short_8","alias_value":"G2MS7WC6","created_at":"2026-05-18T12:29:22Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:G2MS7WC6BHBEAFRLFSY2MYTNMV","target":"record","payload":{"canonical_record":{"source":{"id":"1512.08450","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-12-28T16:34:11Z","cross_cats_sorted":["cond-mat.quant-gas"],"title_canon_sha256":"b95c5ee7871c792c53888d6f92de369f1ce5566d83b317726d8d7a05b3c992d9","abstract_canon_sha256":"3d3fa0817eb827c274ce9060208c035585e65d68663cbf7199d40a2c982ff1ae"},"schema_version":"1.0"},"canonical_sha256":"36992fd85e09c240162b2cb1a6626d654c2a2d1e6a0451e6361f56f85a49ab9e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:17:17.843258Z","signature_b64":"Gb6DSXxAnAS4H/TRbLkJ+JMXoTJg9u4b/FkQWFhk+EPq986K/MVP1UhtrHillCJWyt6d8yiJyVNT/8f5kx5eAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"36992fd85e09c240162b2cb1a6626d654c2a2d1e6a0451e6361f56f85a49ab9e","last_reissued_at":"2026-05-18T01:17:17.842801Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:17:17.842801Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1512.08450","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":"2026-05-18T01:17:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kFBciC1ja9VdasqmXPtRfvuqpERsva/vlBMa9UZdtwPrfTXnuc1vnXGgpanIDbmGEDsoh25mB+nvxiJAYK/ICA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-18T20:02:28.973360Z"},"content_sha256":"f961834896c6a3a9e591a69e7e60d53d1ee501372c58fd3050d5da02f17f2173","schema_version":"1.0","event_id":"sha256:f961834896c6a3a9e591a69e7e60d53d1ee501372c58fd3050d5da02f17f2173"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:G2MS7WC6BHBEAFRLFSY2MYTNMV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Quantization of entropy in a quasi-two-dimensional electron gas","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.quant-gas"],"primary_cat":"cond-mat.mes-hall","authors_text":"A.A. Varlamov, A.V. Kavokin, Yu.M. Galperin","submitted_at":"2015-12-28T16:34:11Z","abstract_excerpt":"We demonstrate that the partial entropy of a two-dimensional electron gas (2DEG) exhibits quantized peaks at resonances between the chemical potential and electron levels of size quantization. In the limit of no scattering, the peaks depend only on the subband quantization number and are independent on material parameters, shape of the confining potential, electron effective mass and temperature. The quantization of partial entropy is a signature of a topological phase transition in a 2DEG. In the presence of stationary disorder, the magnitude of peaks decreases. Its deviation from the quantiz"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1512.08450","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":"2026-05-18T01:17:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UUItIuQTl1gCW9bdsp8SAGA19NgvQ7+zvwVDqPOUqCVqhlYUcw9jd6O07oRBf1ZBxrL2WTujKxQqA+qYT0raCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-18T20:02:28.974047Z"},"content_sha256":"225b08b34fd4701d45f3f06d16c44dafc1ba843ef56f66f37da92ca6ff79c07d","schema_version":"1.0","event_id":"sha256:225b08b34fd4701d45f3f06d16c44dafc1ba843ef56f66f37da92ca6ff79c07d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/G2MS7WC6BHBEAFRLFSY2MYTNMV/bundle.json","state_url":"https://pith.science/pith/G2MS7WC6BHBEAFRLFSY2MYTNMV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/G2MS7WC6BHBEAFRLFSY2MYTNMV/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":"2026-05-18T20:02:28Z","links":{"resolver":"https://pith.science/pith/G2MS7WC6BHBEAFRLFSY2MYTNMV","bundle":"https://pith.science/pith/G2MS7WC6BHBEAFRLFSY2MYTNMV/bundle.json","state":"https://pith.science/pith/G2MS7WC6BHBEAFRLFSY2MYTNMV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/G2MS7WC6BHBEAFRLFSY2MYTNMV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:G2MS7WC6BHBEAFRLFSY2MYTNMV","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":"3d3fa0817eb827c274ce9060208c035585e65d68663cbf7199d40a2c982ff1ae","cross_cats_sorted":["cond-mat.quant-gas"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-12-28T16:34:11Z","title_canon_sha256":"b95c5ee7871c792c53888d6f92de369f1ce5566d83b317726d8d7a05b3c992d9"},"schema_version":"1.0","source":{"id":"1512.08450","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1512.08450","created_at":"2026-05-18T01:17:17Z"},{"alias_kind":"arxiv_version","alias_value":"1512.08450v1","created_at":"2026-05-18T01:17:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1512.08450","created_at":"2026-05-18T01:17:17Z"},{"alias_kind":"pith_short_12","alias_value":"G2MS7WC6BHBE","created_at":"2026-05-18T12:29:22Z"},{"alias_kind":"pith_short_16","alias_value":"G2MS7WC6BHBEAFRL","created_at":"2026-05-18T12:29:22Z"},{"alias_kind":"pith_short_8","alias_value":"G2MS7WC6","created_at":"2026-05-18T12:29:22Z"}],"graph_snapshots":[{"event_id":"sha256:225b08b34fd4701d45f3f06d16c44dafc1ba843ef56f66f37da92ca6ff79c07d","target":"graph","created_at":"2026-05-18T01:17:17Z","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 demonstrate that the partial entropy of a two-dimensional electron gas (2DEG) exhibits quantized peaks at resonances between the chemical potential and electron levels of size quantization. In the limit of no scattering, the peaks depend only on the subband quantization number and are independent on material parameters, shape of the confining potential, electron effective mass and temperature. The quantization of partial entropy is a signature of a topological phase transition in a 2DEG. In the presence of stationary disorder, the magnitude of peaks decreases. Its deviation from the quantiz","authors_text":"A.A. Varlamov, A.V. Kavokin, Yu.M. Galperin","cross_cats":["cond-mat.quant-gas"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-12-28T16:34:11Z","title":"Quantization of entropy in a quasi-two-dimensional electron gas"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1512.08450","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:f961834896c6a3a9e591a69e7e60d53d1ee501372c58fd3050d5da02f17f2173","target":"record","created_at":"2026-05-18T01:17:17Z","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":"3d3fa0817eb827c274ce9060208c035585e65d68663cbf7199d40a2c982ff1ae","cross_cats_sorted":["cond-mat.quant-gas"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-12-28T16:34:11Z","title_canon_sha256":"b95c5ee7871c792c53888d6f92de369f1ce5566d83b317726d8d7a05b3c992d9"},"schema_version":"1.0","source":{"id":"1512.08450","kind":"arxiv","version":1}},"canonical_sha256":"36992fd85e09c240162b2cb1a6626d654c2a2d1e6a0451e6361f56f85a49ab9e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"36992fd85e09c240162b2cb1a6626d654c2a2d1e6a0451e6361f56f85a49ab9e","first_computed_at":"2026-05-18T01:17:17.842801Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:17:17.842801Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Gb6DSXxAnAS4H/TRbLkJ+JMXoTJg9u4b/FkQWFhk+EPq986K/MVP1UhtrHillCJWyt6d8yiJyVNT/8f5kx5eAA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:17:17.843258Z","signed_message":"canonical_sha256_bytes"},"source_id":"1512.08450","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f961834896c6a3a9e591a69e7e60d53d1ee501372c58fd3050d5da02f17f2173","sha256:225b08b34fd4701d45f3f06d16c44dafc1ba843ef56f66f37da92ca6ff79c07d"],"state_sha256":"eeb9db12d03a1958bc8bd65b22bcde352099096b4c55378548c0df13dc2176b1"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yL6GzBk9GnE1y2zcI0VlaauHh2Ks9FSM3+6FUxz0gmNslO1Yi3dbaE089+VxFIc7QWxMG6kXWORxQydLSLe1Cg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-18T20:02:28.976164Z","bundle_sha256":"402b11bd64ebe5944c1f3f7c5f94c4de23958c0d659cb1c3cf076576bf86de70"}}