{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:WFZBN5YSSZZBWPXBM3P5JB3WRI","short_pith_number":"pith:WFZBN5YS","canonical_record":{"source":{"id":"1807.01063","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2018-07-03T10:10:24Z","cross_cats_sorted":[],"title_canon_sha256":"0947429ea834327f8b19fa6dbcf08201a7bf4e2e3dac0c63065ee2a8210a2632","abstract_canon_sha256":"8ae10f72f9d96d74f0970579a2f73084602512c76d802dc744a2a91c6020b55c"},"schema_version":"1.0"},"canonical_sha256":"b17216f71296721b3ee166dfd487768a2ba4c4afc76a33b02b6c18049170d527","source":{"kind":"arxiv","id":"1807.01063","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1807.01063","created_at":"2026-05-17T23:45:56Z"},{"alias_kind":"arxiv_version","alias_value":"1807.01063v3","created_at":"2026-05-17T23:45:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1807.01063","created_at":"2026-05-17T23:45:56Z"},{"alias_kind":"pith_short_12","alias_value":"WFZBN5YSSZZB","created_at":"2026-05-18T12:32:59Z"},{"alias_kind":"pith_short_16","alias_value":"WFZBN5YSSZZBWPXB","created_at":"2026-05-18T12:32:59Z"},{"alias_kind":"pith_short_8","alias_value":"WFZBN5YS","created_at":"2026-05-18T12:32:59Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:WFZBN5YSSZZBWPXBM3P5JB3WRI","target":"record","payload":{"canonical_record":{"source":{"id":"1807.01063","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2018-07-03T10:10:24Z","cross_cats_sorted":[],"title_canon_sha256":"0947429ea834327f8b19fa6dbcf08201a7bf4e2e3dac0c63065ee2a8210a2632","abstract_canon_sha256":"8ae10f72f9d96d74f0970579a2f73084602512c76d802dc744a2a91c6020b55c"},"schema_version":"1.0"},"canonical_sha256":"b17216f71296721b3ee166dfd487768a2ba4c4afc76a33b02b6c18049170d527","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:45:56.751504Z","signature_b64":"EJ+MoUxXDLrhYi4XMItvgoM7aqs+Ub8MJGBsfc/9fRL5aKdbjhLURMzsQNKlz5TH/QSFsaNHcMTstP1wl71DBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b17216f71296721b3ee166dfd487768a2ba4c4afc76a33b02b6c18049170d527","last_reissued_at":"2026-05-17T23:45:56.751044Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:45:56.751044Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1807.01063","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":"2026-05-17T23:45:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fT9s4oThfrqO/Uh59pNNqLjj3Vc2RdIsYqqG8tcGOyhOU7eVhcaKnUavwr1lU3EdYpMvzHX8G4MFgG0q/1VgAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-21T17:44:53.997755Z"},"content_sha256":"33bac3e196da1ad5130fa93c926e6de8d3dab4c80fbc4a761e5eef98f592b0d4","schema_version":"1.0","event_id":"sha256:33bac3e196da1ad5130fa93c926e6de8d3dab4c80fbc4a761e5eef98f592b0d4"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:WFZBN5YSSZZBWPXBM3P5JB3WRI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Local theory of the insulating state","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Antimo Marrazzo, Raffaele Resta","submitted_at":"2018-07-03T10:10:24Z","abstract_excerpt":"An insulator differs from a metal because of a different organization of the electrons in their ground state. In recent years this feature has been probed by means of a geometrical property: the quantum metric tensor, which addresses the system as a whole, and is therefore limited to macroscopically homogenous samples. Here we show that an analogous approach leads to a localization marker, which can detect the metallic vs. insulating character of a given sample region using as sole ingredient the ground state electron distribution, even in the Anderson case (where the spectrum is gapless). Whe"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1807.01063","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":"2026-05-17T23:45:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KQNh5CT1xk5NJWvv44ukpOQPeFMOd5o+8Ajusrddu5s5f/LN9LgMD/Jn0wFOdPX0mv2hzWR3cmw62NIasuhcAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-21T17:44:53.998101Z"},"content_sha256":"46a844753819551d8d7bcaf7c6e16171cadf9c4a341025012c513f260e25b747","schema_version":"1.0","event_id":"sha256:46a844753819551d8d7bcaf7c6e16171cadf9c4a341025012c513f260e25b747"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/WFZBN5YSSZZBWPXBM3P5JB3WRI/bundle.json","state_url":"https://pith.science/pith/WFZBN5YSSZZBWPXBM3P5JB3WRI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/WFZBN5YSSZZBWPXBM3P5JB3WRI/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":"2026-05-21T17:44:53Z","links":{"resolver":"https://pith.science/pith/WFZBN5YSSZZBWPXBM3P5JB3WRI","bundle":"https://pith.science/pith/WFZBN5YSSZZBWPXBM3P5JB3WRI/bundle.json","state":"https://pith.science/pith/WFZBN5YSSZZBWPXBM3P5JB3WRI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/WFZBN5YSSZZBWPXBM3P5JB3WRI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:WFZBN5YSSZZBWPXBM3P5JB3WRI","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":"8ae10f72f9d96d74f0970579a2f73084602512c76d802dc744a2a91c6020b55c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2018-07-03T10:10:24Z","title_canon_sha256":"0947429ea834327f8b19fa6dbcf08201a7bf4e2e3dac0c63065ee2a8210a2632"},"schema_version":"1.0","source":{"id":"1807.01063","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1807.01063","created_at":"2026-05-17T23:45:56Z"},{"alias_kind":"arxiv_version","alias_value":"1807.01063v3","created_at":"2026-05-17T23:45:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1807.01063","created_at":"2026-05-17T23:45:56Z"},{"alias_kind":"pith_short_12","alias_value":"WFZBN5YSSZZB","created_at":"2026-05-18T12:32:59Z"},{"alias_kind":"pith_short_16","alias_value":"WFZBN5YSSZZBWPXB","created_at":"2026-05-18T12:32:59Z"},{"alias_kind":"pith_short_8","alias_value":"WFZBN5YS","created_at":"2026-05-18T12:32:59Z"}],"graph_snapshots":[{"event_id":"sha256:46a844753819551d8d7bcaf7c6e16171cadf9c4a341025012c513f260e25b747","target":"graph","created_at":"2026-05-17T23:45:56Z","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":"An insulator differs from a metal because of a different organization of the electrons in their ground state. In recent years this feature has been probed by means of a geometrical property: the quantum metric tensor, which addresses the system as a whole, and is therefore limited to macroscopically homogenous samples. Here we show that an analogous approach leads to a localization marker, which can detect the metallic vs. insulating character of a given sample region using as sole ingredient the ground state electron distribution, even in the Anderson case (where the spectrum is gapless). Whe","authors_text":"Antimo Marrazzo, Raffaele Resta","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2018-07-03T10:10:24Z","title":"Local theory of the insulating state"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1807.01063","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":"sha256:33bac3e196da1ad5130fa93c926e6de8d3dab4c80fbc4a761e5eef98f592b0d4","target":"record","created_at":"2026-05-17T23:45:56Z","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":"8ae10f72f9d96d74f0970579a2f73084602512c76d802dc744a2a91c6020b55c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2018-07-03T10:10:24Z","title_canon_sha256":"0947429ea834327f8b19fa6dbcf08201a7bf4e2e3dac0c63065ee2a8210a2632"},"schema_version":"1.0","source":{"id":"1807.01063","kind":"arxiv","version":3}},"canonical_sha256":"b17216f71296721b3ee166dfd487768a2ba4c4afc76a33b02b6c18049170d527","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b17216f71296721b3ee166dfd487768a2ba4c4afc76a33b02b6c18049170d527","first_computed_at":"2026-05-17T23:45:56.751044Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:45:56.751044Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"EJ+MoUxXDLrhYi4XMItvgoM7aqs+Ub8MJGBsfc/9fRL5aKdbjhLURMzsQNKlz5TH/QSFsaNHcMTstP1wl71DBg==","signature_status":"signed_v1","signed_at":"2026-05-17T23:45:56.751504Z","signed_message":"canonical_sha256_bytes"},"source_id":"1807.01063","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:33bac3e196da1ad5130fa93c926e6de8d3dab4c80fbc4a761e5eef98f592b0d4","sha256:46a844753819551d8d7bcaf7c6e16171cadf9c4a341025012c513f260e25b747"],"state_sha256":"ea86776a46080ac94eab92b3fcce5370ed957434faf47cdbc1c1cb6d8d210526"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wyC7WQ9YYQ9ahLj8hZZ06Na9Tr44nK9GJsdLWisfDxvIFCOuCc87O6yDymozhWGBjEeh3XCFWG26I1KJbdWuDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-21T17:44:54.000098Z","bundle_sha256":"f0877112a4ba350f10fb911e31f84e5daa0ed6e23a1a8f80354f247807823f6d"}}