{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2009:JW73TY2A6NGIJGOUHH7T63VXPQ","short_pith_number":"pith:JW73TY2A","canonical_record":{"source":{"id":"0902.3171","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2009-02-18T15:44:53Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"c14f84e800488bd5fe370ee96851fc01fdfccfc2d57c1d5d76f7765137378bdf","abstract_canon_sha256":"33745891b584e8721534762afe685fdf1700569dbc781d712a3529c9499a7de9"},"schema_version":"1.0"},"canonical_sha256":"4dbfb9e340f34c8499d439ff3f6eb77c084124bbd7c81cadf0bd4cf1d18c18d0","source":{"kind":"arxiv","id":"0902.3171","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0902.3171","created_at":"2026-05-18T02:14:47Z"},{"alias_kind":"arxiv_version","alias_value":"0902.3171v3","created_at":"2026-05-18T02:14:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0902.3171","created_at":"2026-05-18T02:14:47Z"},{"alias_kind":"pith_short_12","alias_value":"JW73TY2A6NGI","created_at":"2026-05-18T12:26:00Z"},{"alias_kind":"pith_short_16","alias_value":"JW73TY2A6NGIJGOU","created_at":"2026-05-18T12:26:00Z"},{"alias_kind":"pith_short_8","alias_value":"JW73TY2A","created_at":"2026-05-18T12:26:00Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2009:JW73TY2A6NGIJGOUHH7T63VXPQ","target":"record","payload":{"canonical_record":{"source":{"id":"0902.3171","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2009-02-18T15:44:53Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"c14f84e800488bd5fe370ee96851fc01fdfccfc2d57c1d5d76f7765137378bdf","abstract_canon_sha256":"33745891b584e8721534762afe685fdf1700569dbc781d712a3529c9499a7de9"},"schema_version":"1.0"},"canonical_sha256":"4dbfb9e340f34c8499d439ff3f6eb77c084124bbd7c81cadf0bd4cf1d18c18d0","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:14:47.102313Z","signature_b64":"UjQW8vJxTCe79gK8xpfsLsH6LzjB/98zfhcf4YbQmWaZeyRarasmy1bUw8o5dkfRQgaHzdop62rkQoOpcE3fAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4dbfb9e340f34c8499d439ff3f6eb77c084124bbd7c81cadf0bd4cf1d18c18d0","last_reissued_at":"2026-05-18T02:14:47.101765Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:14:47.101765Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0902.3171","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:14:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GECwXjX/edPExYlWm2yEjyPZJ48TnkYnt/Dv2eifeIt6q+mah/aPKMStnva0aMypVjQXrw5olgSoz5OOyiJIAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-18T19:12:40.414550Z"},"content_sha256":"b52af15fa7405bafe8cf2adad10ba26ffff1de4f82e0a7c0ee2f5535454d36fd","schema_version":"1.0","event_id":"sha256:b52af15fa7405bafe8cf2adad10ba26ffff1de4f82e0a7c0ee2f5535454d36fd"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2009:JW73TY2A6NGIJGOUHH7T63VXPQ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The energy scale behind the metallic behaviors in low-density Si-MOSFETs","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall"],"primary_cat":"cond-mat.str-el","authors_text":"Genevi\\`eve Fleury, Xavier Waintal","submitted_at":"2009-02-18T15:44:53Z","abstract_excerpt":"We show that the unexpected metallic behavior (the so-called two-dimensional metal-insulator transition) observed in low-density Silicon metal-oxide-semiconductor field-effect transistors (Si-MOSFETs) is controlled by a unique characteristic energy scale, the polarization energy. On one hand, we perform Quantum Monte Carlo calculations of the energy needed to polarize the two dimensional electron gas at zero temperature, taking into account Coulomb interactions, valley degeneracy and electronic mobility (disorder). On the other hand, we identify the characteristic energy scale controlling the "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0902.3171","kind":"arxiv","version":3},"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":"2026-05-18T02:14:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mcwkTzA0/sueXgOwECP6HnqQxMOdB64y31QWfkYGvhUa3v1Vd7OBpNkO1+XSVUILFMUFeRVcbPJWrF+IMkfbCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-18T19:12:40.415022Z"},"content_sha256":"12a66077377e6b989ecc2656b7ea0d2283504820b862362aa9a984b5b85de3e9","schema_version":"1.0","event_id":"sha256:12a66077377e6b989ecc2656b7ea0d2283504820b862362aa9a984b5b85de3e9"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JW73TY2A6NGIJGOUHH7T63VXPQ/bundle.json","state_url":"https://pith.science/pith/JW73TY2A6NGIJGOUHH7T63VXPQ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JW73TY2A6NGIJGOUHH7T63VXPQ/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":"2026-05-18T19:12:40Z","links":{"resolver":"https://pith.science/pith/JW73TY2A6NGIJGOUHH7T63VXPQ","bundle":"https://pith.science/pith/JW73TY2A6NGIJGOUHH7T63VXPQ/bundle.json","state":"https://pith.science/pith/JW73TY2A6NGIJGOUHH7T63VXPQ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JW73TY2A6NGIJGOUHH7T63VXPQ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:JW73TY2A6NGIJGOUHH7T63VXPQ","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":"33745891b584e8721534762afe685fdf1700569dbc781d712a3529c9499a7de9","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2009-02-18T15:44:53Z","title_canon_sha256":"c14f84e800488bd5fe370ee96851fc01fdfccfc2d57c1d5d76f7765137378bdf"},"schema_version":"1.0","source":{"id":"0902.3171","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0902.3171","created_at":"2026-05-18T02:14:47Z"},{"alias_kind":"arxiv_version","alias_value":"0902.3171v3","created_at":"2026-05-18T02:14:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0902.3171","created_at":"2026-05-18T02:14:47Z"},{"alias_kind":"pith_short_12","alias_value":"JW73TY2A6NGI","created_at":"2026-05-18T12:26:00Z"},{"alias_kind":"pith_short_16","alias_value":"JW73TY2A6NGIJGOU","created_at":"2026-05-18T12:26:00Z"},{"alias_kind":"pith_short_8","alias_value":"JW73TY2A","created_at":"2026-05-18T12:26:00Z"}],"graph_snapshots":[{"event_id":"sha256:12a66077377e6b989ecc2656b7ea0d2283504820b862362aa9a984b5b85de3e9","target":"graph","created_at":"2026-05-18T02:14:47Z","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 show that the unexpected metallic behavior (the so-called two-dimensional metal-insulator transition) observed in low-density Silicon metal-oxide-semiconductor field-effect transistors (Si-MOSFETs) is controlled by a unique characteristic energy scale, the polarization energy. On one hand, we perform Quantum Monte Carlo calculations of the energy needed to polarize the two dimensional electron gas at zero temperature, taking into account Coulomb interactions, valley degeneracy and electronic mobility (disorder). On the other hand, we identify the characteristic energy scale controlling the ","authors_text":"Genevi\\`eve Fleury, Xavier Waintal","cross_cats":["cond-mat.mes-hall"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2009-02-18T15:44:53Z","title":"The energy scale behind the metallic behaviors in low-density Si-MOSFETs"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0902.3171","kind":"arxiv","version":3},"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:b52af15fa7405bafe8cf2adad10ba26ffff1de4f82e0a7c0ee2f5535454d36fd","target":"record","created_at":"2026-05-18T02:14:47Z","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":"33745891b584e8721534762afe685fdf1700569dbc781d712a3529c9499a7de9","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2009-02-18T15:44:53Z","title_canon_sha256":"c14f84e800488bd5fe370ee96851fc01fdfccfc2d57c1d5d76f7765137378bdf"},"schema_version":"1.0","source":{"id":"0902.3171","kind":"arxiv","version":3}},"canonical_sha256":"4dbfb9e340f34c8499d439ff3f6eb77c084124bbd7c81cadf0bd4cf1d18c18d0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4dbfb9e340f34c8499d439ff3f6eb77c084124bbd7c81cadf0bd4cf1d18c18d0","first_computed_at":"2026-05-18T02:14:47.101765Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:14:47.101765Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"UjQW8vJxTCe79gK8xpfsLsH6LzjB/98zfhcf4YbQmWaZeyRarasmy1bUw8o5dkfRQgaHzdop62rkQoOpcE3fAg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:14:47.102313Z","signed_message":"canonical_sha256_bytes"},"source_id":"0902.3171","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b52af15fa7405bafe8cf2adad10ba26ffff1de4f82e0a7c0ee2f5535454d36fd","sha256:12a66077377e6b989ecc2656b7ea0d2283504820b862362aa9a984b5b85de3e9"],"state_sha256":"71086aed884e8dcc49275cbcd62e849f632290faeb39311e8c761c33cafe52b1"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"C8RajAA93xbMf5l7SDMqImbiXGmwPHEcv5Wa3onSW/d0P4dm9EU6qaNJx+priJ89Y37dM7dVDQjhjh0MAcTeCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-18T19:12:40.417031Z","bundle_sha256":"34bfff9dd1974e5001a7d63666e8a7cbb325446a6b9aec6a0e8b535c4f7eacd7"}}