{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:WLUHF4BTXEE4ZVIM6ILN2GGVEL","short_pith_number":"pith:WLUHF4BT","canonical_record":{"source":{"id":"1204.2470","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2012-04-11T15:06:49Z","cross_cats_sorted":[],"title_canon_sha256":"791d2a74590876109542f9859e077efe0b40c6fc331fdaefd5c1f88bc45801a7","abstract_canon_sha256":"d145cb5dbb3529480e627dedc4abcd395bbaba175e8128017f31caac8c1451dc"},"schema_version":"1.0"},"canonical_sha256":"b2e872f033b909ccd50cf216dd18d522dc0be143c7952e7b870db2e2d6ee8317","source":{"kind":"arxiv","id":"1204.2470","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1204.2470","created_at":"2026-05-18T03:46:49Z"},{"alias_kind":"arxiv_version","alias_value":"1204.2470v1","created_at":"2026-05-18T03:46:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1204.2470","created_at":"2026-05-18T03:46:49Z"},{"alias_kind":"pith_short_12","alias_value":"WLUHF4BTXEE4","created_at":"2026-05-18T12:27:25Z"},{"alias_kind":"pith_short_16","alias_value":"WLUHF4BTXEE4ZVIM","created_at":"2026-05-18T12:27:25Z"},{"alias_kind":"pith_short_8","alias_value":"WLUHF4BT","created_at":"2026-05-18T12:27:25Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:WLUHF4BTXEE4ZVIM6ILN2GGVEL","target":"record","payload":{"canonical_record":{"source":{"id":"1204.2470","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2012-04-11T15:06:49Z","cross_cats_sorted":[],"title_canon_sha256":"791d2a74590876109542f9859e077efe0b40c6fc331fdaefd5c1f88bc45801a7","abstract_canon_sha256":"d145cb5dbb3529480e627dedc4abcd395bbaba175e8128017f31caac8c1451dc"},"schema_version":"1.0"},"canonical_sha256":"b2e872f033b909ccd50cf216dd18d522dc0be143c7952e7b870db2e2d6ee8317","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:46:49.119421Z","signature_b64":"sUsnxcIx4jQHBt2wuILhZRqxszYpcFtnjkSq8reI9cYYiOdOvExJZbBM4M34L/s4V0Bpws/6g49eUP94pIKYCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b2e872f033b909ccd50cf216dd18d522dc0be143c7952e7b870db2e2d6ee8317","last_reissued_at":"2026-05-18T03:46:49.118613Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:46:49.118613Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1204.2470","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":"2026-05-18T03:46:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EJikA1YLXH08zFqDfrtMaXxc2sZGGqrVXNNEyz82mP+MQ2UPBgMn3DOSPnwUmoIOPcrK+A2zcPwR4QvOp9/8AA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-18T16:50:43.819513Z"},"content_sha256":"c8ddb8a452946be8a86e49a1a33069efc633117ab77714c93cbc18eb007de553","schema_version":"1.0","event_id":"sha256:c8ddb8a452946be8a86e49a1a33069efc633117ab77714c93cbc18eb007de553"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:WLUHF4BTXEE4ZVIM6ILN2GGVEL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The nonequilibrium discrete nonlinear Schroedinger equation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.stat-mech","authors_text":"A. Politi, S. Iubini, S. Lepri","submitted_at":"2012-04-11T15:06:49Z","abstract_excerpt":"We study nonequilibrium steady states of the one-dimensional discrete nonlinear Schroedinger equation. This system can be regarded as a minimal model for stationary transport of bosonic particles like photons in layered media or cold atoms in deep optical traps. Due to the presence of two conserved quantities, energy and norm (or number of particles), the model displays coupled transport in the sense of linear irreversible thermodynamics. Monte Carlo thermostats are implemented to impose a given temperature and chemical potential at the chain ends. As a result, we find that the Onsager coeffic"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1204.2470","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":"2026-05-18T03:46:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RgpgoABDr2bavm6N+TTpfLp2Ehm20Q8GlBe8nd/jjlCi4FgvSGfkUj5wleZh99MU/ufj4n+qDeHeYMSqBmYBDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-18T16:50:43.819995Z"},"content_sha256":"435c2eda2ec5f8372d41bd330484b9d5a442c312d16bbee643647f6cc2f07d4b","schema_version":"1.0","event_id":"sha256:435c2eda2ec5f8372d41bd330484b9d5a442c312d16bbee643647f6cc2f07d4b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/WLUHF4BTXEE4ZVIM6ILN2GGVEL/bundle.json","state_url":"https://pith.science/pith/WLUHF4BTXEE4ZVIM6ILN2GGVEL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/WLUHF4BTXEE4ZVIM6ILN2GGVEL/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":"2026-05-18T16:50:43Z","links":{"resolver":"https://pith.science/pith/WLUHF4BTXEE4ZVIM6ILN2GGVEL","bundle":"https://pith.science/pith/WLUHF4BTXEE4ZVIM6ILN2GGVEL/bundle.json","state":"https://pith.science/pith/WLUHF4BTXEE4ZVIM6ILN2GGVEL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/WLUHF4BTXEE4ZVIM6ILN2GGVEL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:WLUHF4BTXEE4ZVIM6ILN2GGVEL","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":"d145cb5dbb3529480e627dedc4abcd395bbaba175e8128017f31caac8c1451dc","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2012-04-11T15:06:49Z","title_canon_sha256":"791d2a74590876109542f9859e077efe0b40c6fc331fdaefd5c1f88bc45801a7"},"schema_version":"1.0","source":{"id":"1204.2470","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1204.2470","created_at":"2026-05-18T03:46:49Z"},{"alias_kind":"arxiv_version","alias_value":"1204.2470v1","created_at":"2026-05-18T03:46:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1204.2470","created_at":"2026-05-18T03:46:49Z"},{"alias_kind":"pith_short_12","alias_value":"WLUHF4BTXEE4","created_at":"2026-05-18T12:27:25Z"},{"alias_kind":"pith_short_16","alias_value":"WLUHF4BTXEE4ZVIM","created_at":"2026-05-18T12:27:25Z"},{"alias_kind":"pith_short_8","alias_value":"WLUHF4BT","created_at":"2026-05-18T12:27:25Z"}],"graph_snapshots":[{"event_id":"sha256:435c2eda2ec5f8372d41bd330484b9d5a442c312d16bbee643647f6cc2f07d4b","target":"graph","created_at":"2026-05-18T03:46:49Z","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 study nonequilibrium steady states of the one-dimensional discrete nonlinear Schroedinger equation. This system can be regarded as a minimal model for stationary transport of bosonic particles like photons in layered media or cold atoms in deep optical traps. Due to the presence of two conserved quantities, energy and norm (or number of particles), the model displays coupled transport in the sense of linear irreversible thermodynamics. Monte Carlo thermostats are implemented to impose a given temperature and chemical potential at the chain ends. As a result, we find that the Onsager coeffic","authors_text":"A. Politi, S. Iubini, S. Lepri","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2012-04-11T15:06:49Z","title":"The nonequilibrium discrete nonlinear Schroedinger equation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1204.2470","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:c8ddb8a452946be8a86e49a1a33069efc633117ab77714c93cbc18eb007de553","target":"record","created_at":"2026-05-18T03:46:49Z","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":"d145cb5dbb3529480e627dedc4abcd395bbaba175e8128017f31caac8c1451dc","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2012-04-11T15:06:49Z","title_canon_sha256":"791d2a74590876109542f9859e077efe0b40c6fc331fdaefd5c1f88bc45801a7"},"schema_version":"1.0","source":{"id":"1204.2470","kind":"arxiv","version":1}},"canonical_sha256":"b2e872f033b909ccd50cf216dd18d522dc0be143c7952e7b870db2e2d6ee8317","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b2e872f033b909ccd50cf216dd18d522dc0be143c7952e7b870db2e2d6ee8317","first_computed_at":"2026-05-18T03:46:49.118613Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:46:49.118613Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"sUsnxcIx4jQHBt2wuILhZRqxszYpcFtnjkSq8reI9cYYiOdOvExJZbBM4M34L/s4V0Bpws/6g49eUP94pIKYCg==","signature_status":"signed_v1","signed_at":"2026-05-18T03:46:49.119421Z","signed_message":"canonical_sha256_bytes"},"source_id":"1204.2470","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c8ddb8a452946be8a86e49a1a33069efc633117ab77714c93cbc18eb007de553","sha256:435c2eda2ec5f8372d41bd330484b9d5a442c312d16bbee643647f6cc2f07d4b"],"state_sha256":"9b4e6e18027f4d4ecaecf010a5bb58efc05484f53c9b77d18a51f07b954e4a6b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"W4G/PifDMVYzhDir19vJWIYP7zfyU54PF3Vfh+hdTghJMeag01t2Vafz80zegh8wgIdAjwIKnN9nsjHOpRq2Ag==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-18T16:50:43.821269Z","bundle_sha256":"a82f89a0fbac530b798f846691d75221bb2224970fed7d89214e12933250a57e"}}