{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:LZNQFA2ZVXD6U4RMPNEDJPFF5P","short_pith_number":"pith:LZNQFA2Z","canonical_record":{"source":{"id":"1710.03680","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2017-09-30T18:29:16Z","cross_cats_sorted":[],"title_canon_sha256":"4c9ebaef80aede6aa9daee9a9754040bb938a80c87c17605449a62de3cfceb22","abstract_canon_sha256":"050ec9434b642a25c10157d62c264da202236d81b2dedad160ea8a02ac4984c0"},"schema_version":"1.0"},"canonical_sha256":"5e5b028359adc7ea722c7b4834bca5ebf58d8bb7c227e4ffe2e990b234221ebd","source":{"kind":"arxiv","id":"1710.03680","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1710.03680","created_at":"2026-05-18T00:16:30Z"},{"alias_kind":"arxiv_version","alias_value":"1710.03680v3","created_at":"2026-05-18T00:16:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1710.03680","created_at":"2026-05-18T00:16:30Z"},{"alias_kind":"pith_short_12","alias_value":"LZNQFA2ZVXD6","created_at":"2026-05-18T12:31:28Z"},{"alias_kind":"pith_short_16","alias_value":"LZNQFA2ZVXD6U4RM","created_at":"2026-05-18T12:31:28Z"},{"alias_kind":"pith_short_8","alias_value":"LZNQFA2Z","created_at":"2026-05-18T12:31:28Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:LZNQFA2ZVXD6U4RMPNEDJPFF5P","target":"record","payload":{"canonical_record":{"source":{"id":"1710.03680","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2017-09-30T18:29:16Z","cross_cats_sorted":[],"title_canon_sha256":"4c9ebaef80aede6aa9daee9a9754040bb938a80c87c17605449a62de3cfceb22","abstract_canon_sha256":"050ec9434b642a25c10157d62c264da202236d81b2dedad160ea8a02ac4984c0"},"schema_version":"1.0"},"canonical_sha256":"5e5b028359adc7ea722c7b4834bca5ebf58d8bb7c227e4ffe2e990b234221ebd","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:16:30.943531Z","signature_b64":"yYQqvJwS72dqk7onV6CvHngF2Z5bupLaRWKkq+tah6ZCSVodmfNr5ky1h+OcPfK3NGcwXn/ZX97T3f/UQhAVBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5e5b028359adc7ea722c7b4834bca5ebf58d8bb7c227e4ffe2e990b234221ebd","last_reissued_at":"2026-05-18T00:16:30.942932Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:16:30.942932Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1710.03680","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":"2026-05-18T00:16:30Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IpelbpzyjkpH+j3CO67HryHt5Ber8nCZWAQG0DOq3rPDqxp2U2wRNQYdOQX4dh0ZcISQRAyfqj5T8RZmBevGAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T01:27:21.242550Z"},"content_sha256":"6718cc7322ad010e32fb61000e51013d7beb2c9c2cd112d302a18b0e8e494060","schema_version":"1.0","event_id":"sha256:6718cc7322ad010e32fb61000e51013d7beb2c9c2cd112d302a18b0e8e494060"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:LZNQFA2ZVXD6U4RMPNEDJPFF5P","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Computing diffusivities from particle models out of equilibrium","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.stat-mech","authors_text":"Celia Reina, Johannes Zimmer, Nicolas Dirr, Peter Embacher","submitted_at":"2017-09-30T18:29:16Z","abstract_excerpt":"A new method is proposed to numerically extract the diffusivity of a (typically nonlinear) diffusion equation from underlying stochastic particle systems. The proposed strategy requires the system to be in local equilibrium and have Gaussian fluctuations but is otherwise allowed to undergo arbitrary out of equilibrium evolutions. This could be potentially relevant for particle data obtained from experimental applications. The key idea underlying the method is that finite, yet large, particle systems formally obey stochastic partial differential equations of gradient flow type satisfying a fluc"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1710.03680","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":"2026-05-18T00:16:30Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dvh48UG7r4NYAKElVE4PJK3V2OIzQeQQaMKncJm+bhZsXstMTkRpjKW4SFYUdDnaOku7qNdljj98w8sx06/zDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T01:27:21.243195Z"},"content_sha256":"63abc7cdfb16e7fcf5c6ce2b9ed11268724a7e4adf279f6220a7e69e558a3289","schema_version":"1.0","event_id":"sha256:63abc7cdfb16e7fcf5c6ce2b9ed11268724a7e4adf279f6220a7e69e558a3289"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LZNQFA2ZVXD6U4RMPNEDJPFF5P/bundle.json","state_url":"https://pith.science/pith/LZNQFA2ZVXD6U4RMPNEDJPFF5P/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LZNQFA2ZVXD6U4RMPNEDJPFF5P/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":"2026-05-26T01:27:21Z","links":{"resolver":"https://pith.science/pith/LZNQFA2ZVXD6U4RMPNEDJPFF5P","bundle":"https://pith.science/pith/LZNQFA2ZVXD6U4RMPNEDJPFF5P/bundle.json","state":"https://pith.science/pith/LZNQFA2ZVXD6U4RMPNEDJPFF5P/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LZNQFA2ZVXD6U4RMPNEDJPFF5P/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:LZNQFA2ZVXD6U4RMPNEDJPFF5P","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":"050ec9434b642a25c10157d62c264da202236d81b2dedad160ea8a02ac4984c0","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2017-09-30T18:29:16Z","title_canon_sha256":"4c9ebaef80aede6aa9daee9a9754040bb938a80c87c17605449a62de3cfceb22"},"schema_version":"1.0","source":{"id":"1710.03680","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1710.03680","created_at":"2026-05-18T00:16:30Z"},{"alias_kind":"arxiv_version","alias_value":"1710.03680v3","created_at":"2026-05-18T00:16:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1710.03680","created_at":"2026-05-18T00:16:30Z"},{"alias_kind":"pith_short_12","alias_value":"LZNQFA2ZVXD6","created_at":"2026-05-18T12:31:28Z"},{"alias_kind":"pith_short_16","alias_value":"LZNQFA2ZVXD6U4RM","created_at":"2026-05-18T12:31:28Z"},{"alias_kind":"pith_short_8","alias_value":"LZNQFA2Z","created_at":"2026-05-18T12:31:28Z"}],"graph_snapshots":[{"event_id":"sha256:63abc7cdfb16e7fcf5c6ce2b9ed11268724a7e4adf279f6220a7e69e558a3289","target":"graph","created_at":"2026-05-18T00:16:30Z","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":"A new method is proposed to numerically extract the diffusivity of a (typically nonlinear) diffusion equation from underlying stochastic particle systems. The proposed strategy requires the system to be in local equilibrium and have Gaussian fluctuations but is otherwise allowed to undergo arbitrary out of equilibrium evolutions. This could be potentially relevant for particle data obtained from experimental applications. The key idea underlying the method is that finite, yet large, particle systems formally obey stochastic partial differential equations of gradient flow type satisfying a fluc","authors_text":"Celia Reina, Johannes Zimmer, Nicolas Dirr, Peter Embacher","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2017-09-30T18:29:16Z","title":"Computing diffusivities from particle models out of equilibrium"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1710.03680","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":"sha256:6718cc7322ad010e32fb61000e51013d7beb2c9c2cd112d302a18b0e8e494060","target":"record","created_at":"2026-05-18T00:16:30Z","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":"050ec9434b642a25c10157d62c264da202236d81b2dedad160ea8a02ac4984c0","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2017-09-30T18:29:16Z","title_canon_sha256":"4c9ebaef80aede6aa9daee9a9754040bb938a80c87c17605449a62de3cfceb22"},"schema_version":"1.0","source":{"id":"1710.03680","kind":"arxiv","version":3}},"canonical_sha256":"5e5b028359adc7ea722c7b4834bca5ebf58d8bb7c227e4ffe2e990b234221ebd","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5e5b028359adc7ea722c7b4834bca5ebf58d8bb7c227e4ffe2e990b234221ebd","first_computed_at":"2026-05-18T00:16:30.942932Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:16:30.942932Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"yYQqvJwS72dqk7onV6CvHngF2Z5bupLaRWKkq+tah6ZCSVodmfNr5ky1h+OcPfK3NGcwXn/ZX97T3f/UQhAVBA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:16:30.943531Z","signed_message":"canonical_sha256_bytes"},"source_id":"1710.03680","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6718cc7322ad010e32fb61000e51013d7beb2c9c2cd112d302a18b0e8e494060","sha256:63abc7cdfb16e7fcf5c6ce2b9ed11268724a7e4adf279f6220a7e69e558a3289"],"state_sha256":"df184fb2569aa674924ae9f32fbd248f378003097a2fb74409566c5a2d85c1b7"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"z3+h1gfUjP0PaGvVCWDaSvHqx6PtUrJd2OkOP3zH4XHkvNGJUHudtSlLbECCag0gWzJEXl21DxEq0nbq4gDmAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T01:27:21.246602Z","bundle_sha256":"c4dfda4d239cc8354ea170fbe028bb8275fbe2339700a86195ff0ba0777eb03f"}}