{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:VX2XNCMS2ZI7QAOPDRTJ73A2UQ","short_pith_number":"pith:VX2XNCMS","canonical_record":{"source":{"id":"2408.10168","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.ao-ph","submitted_at":"2024-08-19T17:23:28Z","cross_cats_sorted":["math-ph","math.MP"],"title_canon_sha256":"f3600b6595c5c76fd5770e828bc206318fa17f9e4f1da12c3701288fa2f4cc83","abstract_canon_sha256":"e83e9e5563d37ee197949af91b96d73f0c3f70cab35db053b46f755d19a6c8d7"},"schema_version":"1.0"},"canonical_sha256":"adf5768992d651f801cf1c669fec1aa4100189f9c29cfafe99fe76191d95731e","source":{"kind":"arxiv","id":"2408.10168","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2408.10168","created_at":"2026-07-05T08:56:52Z"},{"alias_kind":"arxiv_version","alias_value":"2408.10168v1","created_at":"2026-07-05T08:56:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2408.10168","created_at":"2026-07-05T08:56:52Z"},{"alias_kind":"pith_short_12","alias_value":"VX2XNCMS2ZI7","created_at":"2026-07-05T08:56:52Z"},{"alias_kind":"pith_short_16","alias_value":"VX2XNCMS2ZI7QAOP","created_at":"2026-07-05T08:56:52Z"},{"alias_kind":"pith_short_8","alias_value":"VX2XNCMS","created_at":"2026-07-05T08:56:52Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:VX2XNCMS2ZI7QAOPDRTJ73A2UQ","target":"record","payload":{"canonical_record":{"source":{"id":"2408.10168","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.ao-ph","submitted_at":"2024-08-19T17:23:28Z","cross_cats_sorted":["math-ph","math.MP"],"title_canon_sha256":"f3600b6595c5c76fd5770e828bc206318fa17f9e4f1da12c3701288fa2f4cc83","abstract_canon_sha256":"e83e9e5563d37ee197949af91b96d73f0c3f70cab35db053b46f755d19a6c8d7"},"schema_version":"1.0"},"canonical_sha256":"adf5768992d651f801cf1c669fec1aa4100189f9c29cfafe99fe76191d95731e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:56:52.455968Z","signature_b64":"bNDxVN2LdL1D1L0Wl+BAjppTntSEs9/eSCoTmHGcL80mbYNsUxO07WHJJad50G373d5EVVULuXBWdd8EiSPyCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"adf5768992d651f801cf1c669fec1aa4100189f9c29cfafe99fe76191d95731e","last_reissued_at":"2026-07-05T08:56:52.455496Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:56:52.455496Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2408.10168","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":"2026-07-05T08:56:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1GykxxRWDerzjA+Dfbq9JxbIdamHC8BHF53z7RECrHOycovcRs7uYc2FB4LDJVUZpp6ZaUuznEZD0IcYAQ02Bg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T07:33:01.399422Z"},"content_sha256":"cd50c6719f71da4dec9b54c1a562e69b5ae8fa9dda31e1b1fe4506b8a69d9d87","schema_version":"1.0","event_id":"sha256:cd50c6719f71da4dec9b54c1a562e69b5ae8fa9dda31e1b1fe4506b8a69d9d87"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:VX2XNCMS2ZI7QAOPDRTJ73A2UQ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Evaluation of the eddy diffusivity in a pollutant dispersion model in the planetary boundary layer","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["math-ph","math.MP"],"primary_cat":"physics.ao-ph","authors_text":"A. Goulart, J.C. Marques, J. M. S. Suarez, M. J. Lazo","submitted_at":"2024-08-19T17:23:28Z","abstract_excerpt":"In this work, eddy diffusivity is derived from the energy spectra for the stable and convective regimes in the planetary boundary layer. The energy spectra are obtained from a spectral model for the inertial subrange that considers the anomalous behavior of turbulence. This spectrum is expressed as a function of the Hausdorff fractal dimension. The diffusivity eddies are employed in a classical Eulerian dispersion model, where the derivatives are of integer order and in fractional dispersion model, where the derivatives are of fractional order. The eddy diffusivity proposed considers the anoma"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2408.10168","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/2408.10168/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":"2026-07-05T08:56:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"F3eK3FeM9iDmRxz3T91NmX9kpyv8R8cecBy+TycohbONZPioLtkZ1Om6+jnO2gsOux/pk01NsTcRegAFN/AzBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T07:33:01.399796Z"},"content_sha256":"1d31d5c5a2fde8f5d106b21e73a2e243cbb7f2e4ef07f0a0b55e0e838baf462b","schema_version":"1.0","event_id":"sha256:1d31d5c5a2fde8f5d106b21e73a2e243cbb7f2e4ef07f0a0b55e0e838baf462b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VX2XNCMS2ZI7QAOPDRTJ73A2UQ/bundle.json","state_url":"https://pith.science/pith/VX2XNCMS2ZI7QAOPDRTJ73A2UQ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VX2XNCMS2ZI7QAOPDRTJ73A2UQ/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":"2026-07-06T07:33:01Z","links":{"resolver":"https://pith.science/pith/VX2XNCMS2ZI7QAOPDRTJ73A2UQ","bundle":"https://pith.science/pith/VX2XNCMS2ZI7QAOPDRTJ73A2UQ/bundle.json","state":"https://pith.science/pith/VX2XNCMS2ZI7QAOPDRTJ73A2UQ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VX2XNCMS2ZI7QAOPDRTJ73A2UQ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:VX2XNCMS2ZI7QAOPDRTJ73A2UQ","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":"e83e9e5563d37ee197949af91b96d73f0c3f70cab35db053b46f755d19a6c8d7","cross_cats_sorted":["math-ph","math.MP"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.ao-ph","submitted_at":"2024-08-19T17:23:28Z","title_canon_sha256":"f3600b6595c5c76fd5770e828bc206318fa17f9e4f1da12c3701288fa2f4cc83"},"schema_version":"1.0","source":{"id":"2408.10168","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2408.10168","created_at":"2026-07-05T08:56:52Z"},{"alias_kind":"arxiv_version","alias_value":"2408.10168v1","created_at":"2026-07-05T08:56:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2408.10168","created_at":"2026-07-05T08:56:52Z"},{"alias_kind":"pith_short_12","alias_value":"VX2XNCMS2ZI7","created_at":"2026-07-05T08:56:52Z"},{"alias_kind":"pith_short_16","alias_value":"VX2XNCMS2ZI7QAOP","created_at":"2026-07-05T08:56:52Z"},{"alias_kind":"pith_short_8","alias_value":"VX2XNCMS","created_at":"2026-07-05T08:56:52Z"}],"graph_snapshots":[{"event_id":"sha256:1d31d5c5a2fde8f5d106b21e73a2e243cbb7f2e4ef07f0a0b55e0e838baf462b","target":"graph","created_at":"2026-07-05T08:56:52Z","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/2408.10168/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In this work, eddy diffusivity is derived from the energy spectra for the stable and convective regimes in the planetary boundary layer. The energy spectra are obtained from a spectral model for the inertial subrange that considers the anomalous behavior of turbulence. This spectrum is expressed as a function of the Hausdorff fractal dimension. The diffusivity eddies are employed in a classical Eulerian dispersion model, where the derivatives are of integer order and in fractional dispersion model, where the derivatives are of fractional order. The eddy diffusivity proposed considers the anoma","authors_text":"A. Goulart, J.C. Marques, J. M. S. Suarez, M. J. Lazo","cross_cats":["math-ph","math.MP"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.ao-ph","submitted_at":"2024-08-19T17:23:28Z","title":"Evaluation of the eddy diffusivity in a pollutant dispersion model in the planetary boundary layer"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2408.10168","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:cd50c6719f71da4dec9b54c1a562e69b5ae8fa9dda31e1b1fe4506b8a69d9d87","target":"record","created_at":"2026-07-05T08:56:52Z","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":"e83e9e5563d37ee197949af91b96d73f0c3f70cab35db053b46f755d19a6c8d7","cross_cats_sorted":["math-ph","math.MP"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.ao-ph","submitted_at":"2024-08-19T17:23:28Z","title_canon_sha256":"f3600b6595c5c76fd5770e828bc206318fa17f9e4f1da12c3701288fa2f4cc83"},"schema_version":"1.0","source":{"id":"2408.10168","kind":"arxiv","version":1}},"canonical_sha256":"adf5768992d651f801cf1c669fec1aa4100189f9c29cfafe99fe76191d95731e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"adf5768992d651f801cf1c669fec1aa4100189f9c29cfafe99fe76191d95731e","first_computed_at":"2026-07-05T08:56:52.455496Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T08:56:52.455496Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"bNDxVN2LdL1D1L0Wl+BAjppTntSEs9/eSCoTmHGcL80mbYNsUxO07WHJJad50G373d5EVVULuXBWdd8EiSPyCA==","signature_status":"signed_v1","signed_at":"2026-07-05T08:56:52.455968Z","signed_message":"canonical_sha256_bytes"},"source_id":"2408.10168","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:cd50c6719f71da4dec9b54c1a562e69b5ae8fa9dda31e1b1fe4506b8a69d9d87","sha256:1d31d5c5a2fde8f5d106b21e73a2e243cbb7f2e4ef07f0a0b55e0e838baf462b"],"state_sha256":"32d67f2c0e515d3e044297dac17df88ebd90f4a60636e2ec7bae1b378642c5b4"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/bLWmAdQpqcbyON0Z0ctP7DDYG8IVeUUif8oF24CQ7CfZC25sN4ASm+dZi2ITMIJBv2G32RiEdMjBKOL/PJBBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-06T07:33:01.401733Z","bundle_sha256":"ca3d501e29f55b3462650c1c1a32fca3f7cc73977d52fc0dbae3453d38fb2361"}}