{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:7XRAPO324QX2NMX3U6O4BB543V","short_pith_number":"pith:7XRAPO32","canonical_record":{"source":{"id":"2503.14461","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2025-03-18T17:36:51Z","cross_cats_sorted":["cond-mat.quant-gas","cond-mat.stat-mech"],"title_canon_sha256":"0da5b358b4eef460a8e683fd1bae6616ea6832b71b06a7076632331751f7dd51","abstract_canon_sha256":"42bba1fef81658757321358c472031ddc00c9a4f540c3bc82e7580208b36c34e"},"schema_version":"1.0"},"canonical_sha256":"fde207bb7ae42fa6b2fba79dc087bcdd6806d72b023fbbd7c738ac99974fdf19","source":{"kind":"arxiv","id":"2503.14461","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2503.14461","created_at":"2026-07-05T10:34:03Z"},{"alias_kind":"arxiv_version","alias_value":"2503.14461v1","created_at":"2026-07-05T10:34:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2503.14461","created_at":"2026-07-05T10:34:03Z"},{"alias_kind":"pith_short_12","alias_value":"7XRAPO324QX2","created_at":"2026-07-05T10:34:03Z"},{"alias_kind":"pith_short_16","alias_value":"7XRAPO324QX2NMX3","created_at":"2026-07-05T10:34:03Z"},{"alias_kind":"pith_short_8","alias_value":"7XRAPO32","created_at":"2026-07-05T10:34:03Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:7XRAPO324QX2NMX3U6O4BB543V","target":"record","payload":{"canonical_record":{"source":{"id":"2503.14461","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2025-03-18T17:36:51Z","cross_cats_sorted":["cond-mat.quant-gas","cond-mat.stat-mech"],"title_canon_sha256":"0da5b358b4eef460a8e683fd1bae6616ea6832b71b06a7076632331751f7dd51","abstract_canon_sha256":"42bba1fef81658757321358c472031ddc00c9a4f540c3bc82e7580208b36c34e"},"schema_version":"1.0"},"canonical_sha256":"fde207bb7ae42fa6b2fba79dc087bcdd6806d72b023fbbd7c738ac99974fdf19","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:34:03.420595Z","signature_b64":"99yY/bP82rdLBBTtmb9B5Wb47MqesD9W4N/s7wIXUVxMasPxwkj2QhpTnhinAmgd1M7GG02rHwLaqEYQX2LJBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fde207bb7ae42fa6b2fba79dc087bcdd6806d72b023fbbd7c738ac99974fdf19","last_reissued_at":"2026-07-05T10:34:03.420089Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:34:03.420089Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2503.14461","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":"2026-07-05T10:34:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1p0F5P0FiaEvbJcJqR12/r6vcGy+OTHHZLwoSFOetxTmBd1bVfhjjGp5Y0chFD0Hgm5wgVOj0XGhEPy+tV78Bg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T18:29:31.169011Z"},"content_sha256":"dac574e25b63adabd16d460120cfd402458966d14cdeca57594de3ab671adaed","schema_version":"1.0","event_id":"sha256:dac574e25b63adabd16d460120cfd402458966d14cdeca57594de3ab671adaed"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:7XRAPO324QX2NMX3U6O4BB543V","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Tomographic electron flow in confined geometries: Beyond the dual-relaxation time approximation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.quant-gas","cond-mat.stat-mech"],"primary_cat":"cond-mat.mes-hall","authors_text":"Johannes Hofmann, Nitay Ben-Shachar","submitted_at":"2025-03-18T17:36:51Z","abstract_excerpt":"Hydrodynamic-like electron flows are typically modeled using the Stokes-Ohm equation or a kinetic description that is based on a dual-relaxation time approximation. Such models assume a short intrinsic mean free path $\\ell_e$ due to momentum-conserving electronic scattering and a large extrinsic mean free path $\\ell_\\text{MR}$ due to momentum-relaxing impurity scattering. This assumption, however, is overly simplistic and falls short at low temperatures, where it is known from exact diagonalization studies of the electronic collision integral that another large electronic mean free path $\\ell_"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2503.14461","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2503.14461/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":"2026-07-05T10:34:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bNTx3Hnxw90uteFR/iFhrK0oxRb3Xvg7s8pc1ygPctlA6tUHND/c/jRDcH6MT177JWuCu/cZolO0IZKSKIDABg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T18:29:31.169573Z"},"content_sha256":"fdfca30fa0ada9faf2cb5f1185aa6bed1974535a9e69c4663558c3e831af826b","schema_version":"1.0","event_id":"sha256:fdfca30fa0ada9faf2cb5f1185aa6bed1974535a9e69c4663558c3e831af826b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7XRAPO324QX2NMX3U6O4BB543V/bundle.json","state_url":"https://pith.science/pith/7XRAPO324QX2NMX3U6O4BB543V/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7XRAPO324QX2NMX3U6O4BB543V/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":"2026-08-03T18:29:31Z","links":{"resolver":"https://pith.science/pith/7XRAPO324QX2NMX3U6O4BB543V","bundle":"https://pith.science/pith/7XRAPO324QX2NMX3U6O4BB543V/bundle.json","state":"https://pith.science/pith/7XRAPO324QX2NMX3U6O4BB543V/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7XRAPO324QX2NMX3U6O4BB543V/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:7XRAPO324QX2NMX3U6O4BB543V","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":"42bba1fef81658757321358c472031ddc00c9a4f540c3bc82e7580208b36c34e","cross_cats_sorted":["cond-mat.quant-gas","cond-mat.stat-mech"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2025-03-18T17:36:51Z","title_canon_sha256":"0da5b358b4eef460a8e683fd1bae6616ea6832b71b06a7076632331751f7dd51"},"schema_version":"1.0","source":{"id":"2503.14461","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2503.14461","created_at":"2026-07-05T10:34:03Z"},{"alias_kind":"arxiv_version","alias_value":"2503.14461v1","created_at":"2026-07-05T10:34:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2503.14461","created_at":"2026-07-05T10:34:03Z"},{"alias_kind":"pith_short_12","alias_value":"7XRAPO324QX2","created_at":"2026-07-05T10:34:03Z"},{"alias_kind":"pith_short_16","alias_value":"7XRAPO324QX2NMX3","created_at":"2026-07-05T10:34:03Z"},{"alias_kind":"pith_short_8","alias_value":"7XRAPO32","created_at":"2026-07-05T10:34:03Z"}],"graph_snapshots":[{"event_id":"sha256:fdfca30fa0ada9faf2cb5f1185aa6bed1974535a9e69c4663558c3e831af826b","target":"graph","created_at":"2026-07-05T10:34:03Z","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/2503.14461/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Hydrodynamic-like electron flows are typically modeled using the Stokes-Ohm equation or a kinetic description that is based on a dual-relaxation time approximation. Such models assume a short intrinsic mean free path $\\ell_e$ due to momentum-conserving electronic scattering and a large extrinsic mean free path $\\ell_\\text{MR}$ due to momentum-relaxing impurity scattering. This assumption, however, is overly simplistic and falls short at low temperatures, where it is known from exact diagonalization studies of the electronic collision integral that another large electronic mean free path $\\ell_","authors_text":"Johannes Hofmann, Nitay Ben-Shachar","cross_cats":["cond-mat.quant-gas","cond-mat.stat-mech"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2025-03-18T17:36:51Z","title":"Tomographic electron flow in confined geometries: Beyond the dual-relaxation time approximation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2503.14461","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:dac574e25b63adabd16d460120cfd402458966d14cdeca57594de3ab671adaed","target":"record","created_at":"2026-07-05T10:34:03Z","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":"42bba1fef81658757321358c472031ddc00c9a4f540c3bc82e7580208b36c34e","cross_cats_sorted":["cond-mat.quant-gas","cond-mat.stat-mech"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2025-03-18T17:36:51Z","title_canon_sha256":"0da5b358b4eef460a8e683fd1bae6616ea6832b71b06a7076632331751f7dd51"},"schema_version":"1.0","source":{"id":"2503.14461","kind":"arxiv","version":1}},"canonical_sha256":"fde207bb7ae42fa6b2fba79dc087bcdd6806d72b023fbbd7c738ac99974fdf19","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"fde207bb7ae42fa6b2fba79dc087bcdd6806d72b023fbbd7c738ac99974fdf19","first_computed_at":"2026-07-05T10:34:03.420089Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:34:03.420089Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"99yY/bP82rdLBBTtmb9B5Wb47MqesD9W4N/s7wIXUVxMasPxwkj2QhpTnhinAmgd1M7GG02rHwLaqEYQX2LJBQ==","signature_status":"signed_v1","signed_at":"2026-07-05T10:34:03.420595Z","signed_message":"canonical_sha256_bytes"},"source_id":"2503.14461","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:dac574e25b63adabd16d460120cfd402458966d14cdeca57594de3ab671adaed","sha256:fdfca30fa0ada9faf2cb5f1185aa6bed1974535a9e69c4663558c3e831af826b"],"state_sha256":"5b38efeee3f64b8eaee47c3e76a2742a193870a6215c14f737c874afbfd94131"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KhCnCBi3ouEQ8bmvayG/4KbOh63cB3iKiAavtXFE/aF58mSDEyhFlZSlB74dQiCDaV2NNiHbdh66gEruaE6+Dg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-03T18:29:31.173239Z","bundle_sha256":"b94d29ccef168c80117ea63f1501138bcd9d3e4e5b7fe3ac572a71300b8d7f18"}}