{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:MDJKSOKLWWRH6N67VPSGYLSW7O","short_pith_number":"pith:MDJKSOKL","canonical_record":{"source":{"id":"1905.13088","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2019-05-30T15:01:46Z","cross_cats_sorted":[],"title_canon_sha256":"cc0dcf49a50c34202b6210332e901cb3818400e1da3249cb5dada2ed6bb23e8f","abstract_canon_sha256":"442a9a9b178c6611294ba884a44aa3d190a51b46e1e8f04dcb223c8286ba32ec"},"schema_version":"1.0"},"canonical_sha256":"60d2a9394bb5a27f37dfabe46c2e56fbbbdd8a878c803c2234ed1f9cafa55419","source":{"kind":"arxiv","id":"1905.13088","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1905.13088","created_at":"2026-07-05T00:11:20Z"},{"alias_kind":"arxiv_version","alias_value":"1905.13088v2","created_at":"2026-07-05T00:11:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1905.13088","created_at":"2026-07-05T00:11:20Z"},{"alias_kind":"pith_short_12","alias_value":"MDJKSOKLWWRH","created_at":"2026-07-05T00:11:20Z"},{"alias_kind":"pith_short_16","alias_value":"MDJKSOKLWWRH6N67","created_at":"2026-07-05T00:11:20Z"},{"alias_kind":"pith_short_8","alias_value":"MDJKSOKL","created_at":"2026-07-05T00:11:20Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:MDJKSOKLWWRH6N67VPSGYLSW7O","target":"record","payload":{"canonical_record":{"source":{"id":"1905.13088","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2019-05-30T15:01:46Z","cross_cats_sorted":[],"title_canon_sha256":"cc0dcf49a50c34202b6210332e901cb3818400e1da3249cb5dada2ed6bb23e8f","abstract_canon_sha256":"442a9a9b178c6611294ba884a44aa3d190a51b46e1e8f04dcb223c8286ba32ec"},"schema_version":"1.0"},"canonical_sha256":"60d2a9394bb5a27f37dfabe46c2e56fbbbdd8a878c803c2234ed1f9cafa55419","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:11:20.821126Z","signature_b64":"QQPbg+5/riNO+jLN3HSH3AHaDFvrPf59Tu0nDMB4xyI1678Su9RL38fvJOjTbw/G7bPlTRJPcB2rHTOomd3mDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"60d2a9394bb5a27f37dfabe46c2e56fbbbdd8a878c803c2234ed1f9cafa55419","last_reissued_at":"2026-07-05T00:11:20.820720Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:11:20.820720Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1905.13088","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":"2026-07-05T00:11:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DYOxhiZoWG7r8MiZ3UFsagP322JwWfIrhuXIVMVBykxvoRk0H2s6dTJ3sz8Q1t2tNw+JHjSzBPk4Y11CJUlZAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-15T03:20:00.784110Z"},"content_sha256":"68c98379986cc16c65b31d8bf73bfcd98f173917d99e00d9db952c13dae72c1b","schema_version":"1.0","event_id":"sha256:68c98379986cc16c65b31d8bf73bfcd98f173917d99e00d9db952c13dae72c1b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:MDJKSOKLWWRH6N67VPSGYLSW7O","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Intrinsically Undamped Plasmon Modes in Narrow Electron Bands","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Cyprian Lewandowski, Leonid Levitov","submitted_at":"2019-05-30T15:01:46Z","abstract_excerpt":"Surface plasmons in 2-dimensional electron systems with narrow Bloch bands feature an interesting regime in which Landau damping (dissipation via electron-hole pair excitation) is completely quenched. This surprising behavior is made possible by strong coupling in narrow-band systems characterized by large values of the \"fine structure\" constant $\\alpha=e^2/\\hbar \\kappa v_{\\rm F}$. Dissipation quenching occurs when dispersing plasmon modes rise above the particle-hole continuum, extending into the forbidden energy gap that is free from particle-hole excitations. The effect is predicted to be p"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1905.13088","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/1905.13088/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T00:11:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4vc9JSBZnTV4N+9/T7lTvFaoGKPeMCrphadopt4sZG3BzqIggGMbx3oCg8YVZHshKVK9ezNAtZ7X3045Liu7CA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-15T03:20:00.785752Z"},"content_sha256":"455b150d2c632a30a8e921655c6d78219721051533c91f1d2d6cfa77779a69eb","schema_version":"1.0","event_id":"sha256:455b150d2c632a30a8e921655c6d78219721051533c91f1d2d6cfa77779a69eb"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MDJKSOKLWWRH6N67VPSGYLSW7O/bundle.json","state_url":"https://pith.science/pith/MDJKSOKLWWRH6N67VPSGYLSW7O/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MDJKSOKLWWRH6N67VPSGYLSW7O/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":"2026-08-15T03:20:00Z","links":{"resolver":"https://pith.science/pith/MDJKSOKLWWRH6N67VPSGYLSW7O","bundle":"https://pith.science/pith/MDJKSOKLWWRH6N67VPSGYLSW7O/bundle.json","state":"https://pith.science/pith/MDJKSOKLWWRH6N67VPSGYLSW7O/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MDJKSOKLWWRH6N67VPSGYLSW7O/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:MDJKSOKLWWRH6N67VPSGYLSW7O","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":"442a9a9b178c6611294ba884a44aa3d190a51b46e1e8f04dcb223c8286ba32ec","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2019-05-30T15:01:46Z","title_canon_sha256":"cc0dcf49a50c34202b6210332e901cb3818400e1da3249cb5dada2ed6bb23e8f"},"schema_version":"1.0","source":{"id":"1905.13088","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1905.13088","created_at":"2026-07-05T00:11:20Z"},{"alias_kind":"arxiv_version","alias_value":"1905.13088v2","created_at":"2026-07-05T00:11:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1905.13088","created_at":"2026-07-05T00:11:20Z"},{"alias_kind":"pith_short_12","alias_value":"MDJKSOKLWWRH","created_at":"2026-07-05T00:11:20Z"},{"alias_kind":"pith_short_16","alias_value":"MDJKSOKLWWRH6N67","created_at":"2026-07-05T00:11:20Z"},{"alias_kind":"pith_short_8","alias_value":"MDJKSOKL","created_at":"2026-07-05T00:11:20Z"}],"graph_snapshots":[{"event_id":"sha256:455b150d2c632a30a8e921655c6d78219721051533c91f1d2d6cfa77779a69eb","target":"graph","created_at":"2026-07-05T00:11:20Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/1905.13088/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Surface plasmons in 2-dimensional electron systems with narrow Bloch bands feature an interesting regime in which Landau damping (dissipation via electron-hole pair excitation) is completely quenched. This surprising behavior is made possible by strong coupling in narrow-band systems characterized by large values of the \"fine structure\" constant $\\alpha=e^2/\\hbar \\kappa v_{\\rm F}$. Dissipation quenching occurs when dispersing plasmon modes rise above the particle-hole continuum, extending into the forbidden energy gap that is free from particle-hole excitations. The effect is predicted to be p","authors_text":"Cyprian Lewandowski, Leonid Levitov","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2019-05-30T15:01:46Z","title":"Intrinsically Undamped Plasmon Modes in Narrow Electron Bands"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1905.13088","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":"sha256:68c98379986cc16c65b31d8bf73bfcd98f173917d99e00d9db952c13dae72c1b","target":"record","created_at":"2026-07-05T00:11:20Z","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":"442a9a9b178c6611294ba884a44aa3d190a51b46e1e8f04dcb223c8286ba32ec","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2019-05-30T15:01:46Z","title_canon_sha256":"cc0dcf49a50c34202b6210332e901cb3818400e1da3249cb5dada2ed6bb23e8f"},"schema_version":"1.0","source":{"id":"1905.13088","kind":"arxiv","version":2}},"canonical_sha256":"60d2a9394bb5a27f37dfabe46c2e56fbbbdd8a878c803c2234ed1f9cafa55419","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"60d2a9394bb5a27f37dfabe46c2e56fbbbdd8a878c803c2234ed1f9cafa55419","first_computed_at":"2026-07-05T00:11:20.820720Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:11:20.820720Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"QQPbg+5/riNO+jLN3HSH3AHaDFvrPf59Tu0nDMB4xyI1678Su9RL38fvJOjTbw/G7bPlTRJPcB2rHTOomd3mDg==","signature_status":"signed_v1","signed_at":"2026-07-05T00:11:20.821126Z","signed_message":"canonical_sha256_bytes"},"source_id":"1905.13088","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:68c98379986cc16c65b31d8bf73bfcd98f173917d99e00d9db952c13dae72c1b","sha256:455b150d2c632a30a8e921655c6d78219721051533c91f1d2d6cfa77779a69eb"],"state_sha256":"e029077696dd84235dde5ea3ca78b7fa8e7f481fe656494f0d6dc1f536b2d076"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pV2vnFzRLoGMSZo9NJxctQZ+74qx1FjXjD9yJOV+xWcyQBRpI9hGc8grpQdYIcsKFbdCo+0ARdVO5EH2UpelBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-15T03:20:00.794076Z","bundle_sha256":"d354b478801da21b7b0f20a0c9b6c569d82135f9504c91b1023a07b086a3869a"}}