{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2008:3VELXEXTSGSCULHBEK2KGK3YKT","short_pith_number":"pith:3VELXEXT","canonical_record":{"source":{"id":"0808.0816","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2008-08-06T10:59:43Z","cross_cats_sorted":["cond-mat.soft"],"title_canon_sha256":"f36bbc3195bfd59b03c221e9aa269aa80ee8a9a374046d2dea6f02966d7e09e6","abstract_canon_sha256":"106020fdc470deb79112a72b72fb17a3348d649a8bf3ddfecfb795085cc9cccd"},"schema_version":"1.0"},"canonical_sha256":"dd48bb92f391a42a2ce122b4a32b7854ff81ef7b04777cb602844c1070cfa618","source":{"kind":"arxiv","id":"0808.0816","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0808.0816","created_at":"2026-05-18T04:00:01Z"},{"alias_kind":"arxiv_version","alias_value":"0808.0816v1","created_at":"2026-05-18T04:00:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0808.0816","created_at":"2026-05-18T04:00:01Z"},{"alias_kind":"pith_short_12","alias_value":"3VELXEXTSGSC","created_at":"2026-05-18T12:25:56Z"},{"alias_kind":"pith_short_16","alias_value":"3VELXEXTSGSCULHB","created_at":"2026-05-18T12:25:56Z"},{"alias_kind":"pith_short_8","alias_value":"3VELXEXT","created_at":"2026-05-18T12:25:56Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2008:3VELXEXTSGSCULHBEK2KGK3YKT","target":"record","payload":{"canonical_record":{"source":{"id":"0808.0816","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2008-08-06T10:59:43Z","cross_cats_sorted":["cond-mat.soft"],"title_canon_sha256":"f36bbc3195bfd59b03c221e9aa269aa80ee8a9a374046d2dea6f02966d7e09e6","abstract_canon_sha256":"106020fdc470deb79112a72b72fb17a3348d649a8bf3ddfecfb795085cc9cccd"},"schema_version":"1.0"},"canonical_sha256":"dd48bb92f391a42a2ce122b4a32b7854ff81ef7b04777cb602844c1070cfa618","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:00:01.531116Z","signature_b64":"re7nJJUMTrpIMeMV/hIHu9hvJYaOj8heHUZbhYiDNZm5KSkVmrNPdhfTI8nroZ4vac/3uehf9bKvLcjLZaecAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"dd48bb92f391a42a2ce122b4a32b7854ff81ef7b04777cb602844c1070cfa618","last_reissued_at":"2026-05-18T04:00:01.530476Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:00:01.530476Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0808.0816","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":"2026-05-18T04:00:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OY1n1HI98nVNLw42eBIA01JHXtjw9mPStcUZJfvydkHpuWh2MEiUNG61s1SHM1DUjQDHx5bDg0Js7uQm7VLTCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-24T15:12:26.622366Z"},"content_sha256":"db5bb62054519b49522cba395f750fe6cf6486e683135ecf59fab72c20340da7","schema_version":"1.0","event_id":"sha256:db5bb62054519b49522cba395f750fe6cf6486e683135ecf59fab72c20340da7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2008:3VELXEXTSGSCULHBEK2KGK3YKT","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Persistent random walk on a one-dimensional lattice with random asymmetric transmittances","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.soft"],"primary_cat":"cond-mat.stat-mech","authors_text":"MirFaez Miri, Zeinab Sadjadi","submitted_at":"2008-08-06T10:59:43Z","abstract_excerpt":"We study the persistent random walk of photons on a one-dimensional lattice of random asymmetric transmittances. Each site is characterized by its intensity transmittance t (t') for photons moving to the right (left) direction. Transmittances at different sites are assumed independent, distributed according to a given probability density Distribution. We use the effective medium approximation and identify two classes of probability density distribution of transmittances which lead to the normal diffusion of photons. Monte Carlo simulations confirm our predictions."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0808.0816","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":"2026-05-18T04:00:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"C0FnZ31FuSo9odki05N0u3dvIlUEuj6kWCz0hpE+DR0txDnDhlQrzsHiKWh/o8mbOL11RsXdsMIQNWBiwmtODw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-24T15:12:26.622710Z"},"content_sha256":"f02c5ceb823150feaf051bf37482d51de8c2b6f33001a9b3a4adccbcb3fb7a7b","schema_version":"1.0","event_id":"sha256:f02c5ceb823150feaf051bf37482d51de8c2b6f33001a9b3a4adccbcb3fb7a7b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/3VELXEXTSGSCULHBEK2KGK3YKT/bundle.json","state_url":"https://pith.science/pith/3VELXEXTSGSCULHBEK2KGK3YKT/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/3VELXEXTSGSCULHBEK2KGK3YKT/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":"2026-06-24T15:12:26Z","links":{"resolver":"https://pith.science/pith/3VELXEXTSGSCULHBEK2KGK3YKT","bundle":"https://pith.science/pith/3VELXEXTSGSCULHBEK2KGK3YKT/bundle.json","state":"https://pith.science/pith/3VELXEXTSGSCULHBEK2KGK3YKT/state.json","well_known_bundle":"https://pith.science/.well-known/pith/3VELXEXTSGSCULHBEK2KGK3YKT/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2008:3VELXEXTSGSCULHBEK2KGK3YKT","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":"106020fdc470deb79112a72b72fb17a3348d649a8bf3ddfecfb795085cc9cccd","cross_cats_sorted":["cond-mat.soft"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2008-08-06T10:59:43Z","title_canon_sha256":"f36bbc3195bfd59b03c221e9aa269aa80ee8a9a374046d2dea6f02966d7e09e6"},"schema_version":"1.0","source":{"id":"0808.0816","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0808.0816","created_at":"2026-05-18T04:00:01Z"},{"alias_kind":"arxiv_version","alias_value":"0808.0816v1","created_at":"2026-05-18T04:00:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0808.0816","created_at":"2026-05-18T04:00:01Z"},{"alias_kind":"pith_short_12","alias_value":"3VELXEXTSGSC","created_at":"2026-05-18T12:25:56Z"},{"alias_kind":"pith_short_16","alias_value":"3VELXEXTSGSCULHB","created_at":"2026-05-18T12:25:56Z"},{"alias_kind":"pith_short_8","alias_value":"3VELXEXT","created_at":"2026-05-18T12:25:56Z"}],"graph_snapshots":[{"event_id":"sha256:f02c5ceb823150feaf051bf37482d51de8c2b6f33001a9b3a4adccbcb3fb7a7b","target":"graph","created_at":"2026-05-18T04:00:01Z","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 the persistent random walk of photons on a one-dimensional lattice of random asymmetric transmittances. Each site is characterized by its intensity transmittance t (t') for photons moving to the right (left) direction. Transmittances at different sites are assumed independent, distributed according to a given probability density Distribution. We use the effective medium approximation and identify two classes of probability density distribution of transmittances which lead to the normal diffusion of photons. Monte Carlo simulations confirm our predictions.","authors_text":"MirFaez Miri, Zeinab Sadjadi","cross_cats":["cond-mat.soft"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2008-08-06T10:59:43Z","title":"Persistent random walk on a one-dimensional lattice with random asymmetric transmittances"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0808.0816","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:db5bb62054519b49522cba395f750fe6cf6486e683135ecf59fab72c20340da7","target":"record","created_at":"2026-05-18T04:00:01Z","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":"106020fdc470deb79112a72b72fb17a3348d649a8bf3ddfecfb795085cc9cccd","cross_cats_sorted":["cond-mat.soft"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2008-08-06T10:59:43Z","title_canon_sha256":"f36bbc3195bfd59b03c221e9aa269aa80ee8a9a374046d2dea6f02966d7e09e6"},"schema_version":"1.0","source":{"id":"0808.0816","kind":"arxiv","version":1}},"canonical_sha256":"dd48bb92f391a42a2ce122b4a32b7854ff81ef7b04777cb602844c1070cfa618","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"dd48bb92f391a42a2ce122b4a32b7854ff81ef7b04777cb602844c1070cfa618","first_computed_at":"2026-05-18T04:00:01.530476Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:00:01.530476Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"re7nJJUMTrpIMeMV/hIHu9hvJYaOj8heHUZbhYiDNZm5KSkVmrNPdhfTI8nroZ4vac/3uehf9bKvLcjLZaecAw==","signature_status":"signed_v1","signed_at":"2026-05-18T04:00:01.531116Z","signed_message":"canonical_sha256_bytes"},"source_id":"0808.0816","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:db5bb62054519b49522cba395f750fe6cf6486e683135ecf59fab72c20340da7","sha256:f02c5ceb823150feaf051bf37482d51de8c2b6f33001a9b3a4adccbcb3fb7a7b"],"state_sha256":"6f70dc547ae7b1c0296683cd7a0668b48827b66e8170e3a799d5f6fc22ff2866"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EhmkYW/FO/i2O/Y+TNrX3fEt8XjlZq62JqZKXtrlDs/8SAwg/CfKalANNH+AVsaUhQcZ+zv/kYrgaTan8icqCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-24T15:12:26.624682Z","bundle_sha256":"c7c83411eda7dc7f0fc6ac21f5636f3bb9981bf63b8cc21ee7a571578c6fcff3"}}