{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:P4XETF3367BUTJS42P4IPC5NVL","short_pith_number":"pith:P4XETF33","canonical_record":{"source":{"id":"1501.05661","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2015-01-22T21:00:19Z","cross_cats_sorted":["cond-mat.dis-nn","cond-mat.str-el","quant-ph"],"title_canon_sha256":"40e9e9b55f777e9791d5197dd892565b1791c5443c0bef20c75cacb914557912","abstract_canon_sha256":"f033c32aff919019e5c359c426368a5f2c2dcdefa1ed0d36831035ad717b1973"},"schema_version":"1.0"},"canonical_sha256":"7f2e49977bf7c349a65cd3f8878badaafeea38889e74bbd8747eef90f62bb42e","source":{"kind":"arxiv","id":"1501.05661","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1501.05661","created_at":"2026-05-18T01:34:05Z"},{"alias_kind":"arxiv_version","alias_value":"1501.05661v1","created_at":"2026-05-18T01:34:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1501.05661","created_at":"2026-05-18T01:34:05Z"},{"alias_kind":"pith_short_12","alias_value":"P4XETF3367BU","created_at":"2026-05-18T12:29:34Z"},{"alias_kind":"pith_short_16","alias_value":"P4XETF3367BUTJS4","created_at":"2026-05-18T12:29:34Z"},{"alias_kind":"pith_short_8","alias_value":"P4XETF33","created_at":"2026-05-18T12:29:34Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:P4XETF3367BUTJS42P4IPC5NVL","target":"record","payload":{"canonical_record":{"source":{"id":"1501.05661","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2015-01-22T21:00:19Z","cross_cats_sorted":["cond-mat.dis-nn","cond-mat.str-el","quant-ph"],"title_canon_sha256":"40e9e9b55f777e9791d5197dd892565b1791c5443c0bef20c75cacb914557912","abstract_canon_sha256":"f033c32aff919019e5c359c426368a5f2c2dcdefa1ed0d36831035ad717b1973"},"schema_version":"1.0"},"canonical_sha256":"7f2e49977bf7c349a65cd3f8878badaafeea38889e74bbd8747eef90f62bb42e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:34:05.357539Z","signature_b64":"b5kw9rSnWNRFF5STvCXeTZmg2nTy0bZ/RZYssH1/bq8HEnHKqde2dMT7FWuTOBF+/oW4n09oHXLnz+ytWOuxAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7f2e49977bf7c349a65cd3f8878badaafeea38889e74bbd8747eef90f62bb42e","last_reissued_at":"2026-05-18T01:34:05.357007Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:34:05.357007Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1501.05661","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":"2026-05-18T01:34:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Fa1aV18h570s4l+Aj3Utr+LW+gZcXu69JwPps0esH5IY7y7jefecNjlZUTiZ7XTpANJ7jLoHAN7xGEZQsN4PAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-20T00:18:10.125257Z"},"content_sha256":"55c0e92c3dd06f4043888cad77a65e3fe82903fe2aa3e9aa3bb2bc8818c258fa","schema_version":"1.0","event_id":"sha256:55c0e92c3dd06f4043888cad77a65e3fe82903fe2aa3e9aa3bb2bc8818c258fa"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:P4XETF3367BUTJS42P4IPC5NVL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Observation of many-body localization of interacting fermions in a quasi-random optical lattice","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.dis-nn","cond-mat.str-el","quant-ph"],"primary_cat":"cond-mat.quant-gas","authors_text":"Ehud Altman, Henrik P. L\\\"uschen, Immanuel Bloch, Mark H. Fischer, Michael Schreiber, Pranjal Bordia, Ronen Vosk, Sean S. Hodgman, Ulrich Schneider","submitted_at":"2015-01-22T21:00:19Z","abstract_excerpt":"We experimentally observe many-body localization of interacting fermions in a one-dimensional quasi-random optical lattice. We identify the many-body localization transition through the relaxation dynamics of an initially-prepared charge density wave. For sufficiently weak disorder the time evolution appears ergodic and thermalizing, erasing all remnants of the initial order. In contrast, above a critical disorder strength a significant portion of the initial ordering persists, thereby serving as an effective order parameter for localization. The stationary density wave order and the critical "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1501.05661","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":"2026-05-18T01:34:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+DX63Qk4DkPdkERJDAoQiVHfE4uGL+Zwkr2M5Gh2lMDJZMajmsb2BbtlhamZPQGBG2bmB1sqkMhllDvJoU39DA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-20T00:18:10.126061Z"},"content_sha256":"a851d2b57c519a96971971aeaa62d6ff724e16e6a6372a7378380c55acf1613f","schema_version":"1.0","event_id":"sha256:a851d2b57c519a96971971aeaa62d6ff724e16e6a6372a7378380c55acf1613f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/P4XETF3367BUTJS42P4IPC5NVL/bundle.json","state_url":"https://pith.science/pith/P4XETF3367BUTJS42P4IPC5NVL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/P4XETF3367BUTJS42P4IPC5NVL/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":"2026-05-20T00:18:10Z","links":{"resolver":"https://pith.science/pith/P4XETF3367BUTJS42P4IPC5NVL","bundle":"https://pith.science/pith/P4XETF3367BUTJS42P4IPC5NVL/bundle.json","state":"https://pith.science/pith/P4XETF3367BUTJS42P4IPC5NVL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/P4XETF3367BUTJS42P4IPC5NVL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:P4XETF3367BUTJS42P4IPC5NVL","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":"f033c32aff919019e5c359c426368a5f2c2dcdefa1ed0d36831035ad717b1973","cross_cats_sorted":["cond-mat.dis-nn","cond-mat.str-el","quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2015-01-22T21:00:19Z","title_canon_sha256":"40e9e9b55f777e9791d5197dd892565b1791c5443c0bef20c75cacb914557912"},"schema_version":"1.0","source":{"id":"1501.05661","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1501.05661","created_at":"2026-05-18T01:34:05Z"},{"alias_kind":"arxiv_version","alias_value":"1501.05661v1","created_at":"2026-05-18T01:34:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1501.05661","created_at":"2026-05-18T01:34:05Z"},{"alias_kind":"pith_short_12","alias_value":"P4XETF3367BU","created_at":"2026-05-18T12:29:34Z"},{"alias_kind":"pith_short_16","alias_value":"P4XETF3367BUTJS4","created_at":"2026-05-18T12:29:34Z"},{"alias_kind":"pith_short_8","alias_value":"P4XETF33","created_at":"2026-05-18T12:29:34Z"}],"graph_snapshots":[{"event_id":"sha256:a851d2b57c519a96971971aeaa62d6ff724e16e6a6372a7378380c55acf1613f","target":"graph","created_at":"2026-05-18T01:34:05Z","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 experimentally observe many-body localization of interacting fermions in a one-dimensional quasi-random optical lattice. We identify the many-body localization transition through the relaxation dynamics of an initially-prepared charge density wave. For sufficiently weak disorder the time evolution appears ergodic and thermalizing, erasing all remnants of the initial order. In contrast, above a critical disorder strength a significant portion of the initial ordering persists, thereby serving as an effective order parameter for localization. The stationary density wave order and the critical ","authors_text":"Ehud Altman, Henrik P. L\\\"uschen, Immanuel Bloch, Mark H. Fischer, Michael Schreiber, Pranjal Bordia, Ronen Vosk, Sean S. Hodgman, Ulrich Schneider","cross_cats":["cond-mat.dis-nn","cond-mat.str-el","quant-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2015-01-22T21:00:19Z","title":"Observation of many-body localization of interacting fermions in a quasi-random optical lattice"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1501.05661","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":"sha256:55c0e92c3dd06f4043888cad77a65e3fe82903fe2aa3e9aa3bb2bc8818c258fa","target":"record","created_at":"2026-05-18T01:34:05Z","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":"f033c32aff919019e5c359c426368a5f2c2dcdefa1ed0d36831035ad717b1973","cross_cats_sorted":["cond-mat.dis-nn","cond-mat.str-el","quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2015-01-22T21:00:19Z","title_canon_sha256":"40e9e9b55f777e9791d5197dd892565b1791c5443c0bef20c75cacb914557912"},"schema_version":"1.0","source":{"id":"1501.05661","kind":"arxiv","version":1}},"canonical_sha256":"7f2e49977bf7c349a65cd3f8878badaafeea38889e74bbd8747eef90f62bb42e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7f2e49977bf7c349a65cd3f8878badaafeea38889e74bbd8747eef90f62bb42e","first_computed_at":"2026-05-18T01:34:05.357007Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:34:05.357007Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"b5kw9rSnWNRFF5STvCXeTZmg2nTy0bZ/RZYssH1/bq8HEnHKqde2dMT7FWuTOBF+/oW4n09oHXLnz+ytWOuxAA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:34:05.357539Z","signed_message":"canonical_sha256_bytes"},"source_id":"1501.05661","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:55c0e92c3dd06f4043888cad77a65e3fe82903fe2aa3e9aa3bb2bc8818c258fa","sha256:a851d2b57c519a96971971aeaa62d6ff724e16e6a6372a7378380c55acf1613f"],"state_sha256":"3cab0f7d2fb8fff3626a96f1280aa475d6fc266abd9412aa0761eeef2d101b3b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bVC2LqzII8np5E75Z6v0+mbzUq9NgLpB5KKFwTACR7TnKsDCVgUyepLYw9K1qIJJt2//0e/uk3PgRlUbciwSDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-20T00:18:10.130429Z","bundle_sha256":"81c78dbc3d8932f296945af6f52b482070f6598ee02d90a3e9d3ba91178d8ecb"}}