{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:5FF75CWS52GSKUMXESBSEDS4U7","short_pith_number":"pith:5FF75CWS","canonical_record":{"source":{"id":"1011.3255","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2010-11-14T21:42:31Z","cross_cats_sorted":["physics.optics"],"title_canon_sha256":"2640cf3e7b33679c2571b11746d9b72a131ec20e7a1cb0b213ede458c4f809e7","abstract_canon_sha256":"584f73593d49cd60a56ed7c9940761b60a5d44f0ccc073823ee53ce6c183dfe2"},"schema_version":"1.0"},"canonical_sha256":"e94bfe8ad2ee8d2551972483220e5ca7eb77dd68b31ac5af175089bb7ae5c208","source":{"kind":"arxiv","id":"1011.3255","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1011.3255","created_at":"2026-05-18T02:04:47Z"},{"alias_kind":"arxiv_version","alias_value":"1011.3255v1","created_at":"2026-05-18T02:04:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1011.3255","created_at":"2026-05-18T02:04:47Z"},{"alias_kind":"pith_short_12","alias_value":"5FF75CWS52GS","created_at":"2026-05-18T12:26:04Z"},{"alias_kind":"pith_short_16","alias_value":"5FF75CWS52GSKUMX","created_at":"2026-05-18T12:26:04Z"},{"alias_kind":"pith_short_8","alias_value":"5FF75CWS","created_at":"2026-05-18T12:26:04Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:5FF75CWS52GSKUMXESBSEDS4U7","target":"record","payload":{"canonical_record":{"source":{"id":"1011.3255","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2010-11-14T21:42:31Z","cross_cats_sorted":["physics.optics"],"title_canon_sha256":"2640cf3e7b33679c2571b11746d9b72a131ec20e7a1cb0b213ede458c4f809e7","abstract_canon_sha256":"584f73593d49cd60a56ed7c9940761b60a5d44f0ccc073823ee53ce6c183dfe2"},"schema_version":"1.0"},"canonical_sha256":"e94bfe8ad2ee8d2551972483220e5ca7eb77dd68b31ac5af175089bb7ae5c208","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:04:47.783637Z","signature_b64":"IOtTo+NXYO5aXgvys63uy7ppdSpCS0MBnN8+dYu6FyEnOUqOPQ9YtXzehx/KewjCYbjSMwkFcbo6YXs2KURnAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e94bfe8ad2ee8d2551972483220e5ca7eb77dd68b31ac5af175089bb7ae5c208","last_reissued_at":"2026-05-18T02:04:47.782638Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:04:47.782638Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1011.3255","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":"2026-05-18T02:04:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"u6odpD7iqSnK12kg1pGsEfZROfKyj1+6cKERNf5zG2fQOMW6cB9GKttMJgR22BOozapvl7bPzI9n2a2lCNVADA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-29T06:15:06.735114Z"},"content_sha256":"2a504300945c8f84a4a0c63d18cc8c0058cc9b4562fe91b5856f2ca16dfaa7f9","schema_version":"1.0","event_id":"sha256:2a504300945c8f84a4a0c63d18cc8c0058cc9b4562fe91b5856f2ca16dfaa7f9"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:5FF75CWS52GSKUMXESBSEDS4U7","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Far-Field Plasmonic Resonance Enhanced Nano-Particle Image Velocimetry within a Micro Channel","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.optics"],"primary_cat":"physics.flu-dyn","authors_text":"Mingjun Zhang, Quanshui Li, Sara S. Haque, Zhili Zhang","submitted_at":"2010-11-14T21:42:31Z","abstract_excerpt":"In this paper, a novel far-field plasmonic resonance enhanced nanoparticle-seeded Particle Image Velocimetry (nPIV) has been demonstrated to measure the velocity profile in a micro channel. Chemically synthesized silver nanoparticles have been used to seed the flow in the micro channel. By using Discrete Dipole Approximation (DDA), plasmonic resonance enhanced light scattering has been calculated for spherical silver nanoparticles with diameters ranging from 15nm to 200nm. Optimum scattering wavelength is specified for the nanoparticles in two media: water and air. The diffraction-limited plas"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1011.3255","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":"2026-05-18T02:04:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mAHn0tPvlHCSTDIWSq+jG6GdLFynudjADuDXt6vJgrNGMonpkeBzrnmOBuFk4ZDqLy6Xisz3PDD/uupP5G/eBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-29T06:15:06.735467Z"},"content_sha256":"e808f4115caf18c5ec40d52123bf3357ff59f6d1bf76d90bd100d9ea1a9a6bad","schema_version":"1.0","event_id":"sha256:e808f4115caf18c5ec40d52123bf3357ff59f6d1bf76d90bd100d9ea1a9a6bad"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5FF75CWS52GSKUMXESBSEDS4U7/bundle.json","state_url":"https://pith.science/pith/5FF75CWS52GSKUMXESBSEDS4U7/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5FF75CWS52GSKUMXESBSEDS4U7/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":"2026-06-29T06:15:06Z","links":{"resolver":"https://pith.science/pith/5FF75CWS52GSKUMXESBSEDS4U7","bundle":"https://pith.science/pith/5FF75CWS52GSKUMXESBSEDS4U7/bundle.json","state":"https://pith.science/pith/5FF75CWS52GSKUMXESBSEDS4U7/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5FF75CWS52GSKUMXESBSEDS4U7/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:5FF75CWS52GSKUMXESBSEDS4U7","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":"584f73593d49cd60a56ed7c9940761b60a5d44f0ccc073823ee53ce6c183dfe2","cross_cats_sorted":["physics.optics"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2010-11-14T21:42:31Z","title_canon_sha256":"2640cf3e7b33679c2571b11746d9b72a131ec20e7a1cb0b213ede458c4f809e7"},"schema_version":"1.0","source":{"id":"1011.3255","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1011.3255","created_at":"2026-05-18T02:04:47Z"},{"alias_kind":"arxiv_version","alias_value":"1011.3255v1","created_at":"2026-05-18T02:04:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1011.3255","created_at":"2026-05-18T02:04:47Z"},{"alias_kind":"pith_short_12","alias_value":"5FF75CWS52GS","created_at":"2026-05-18T12:26:04Z"},{"alias_kind":"pith_short_16","alias_value":"5FF75CWS52GSKUMX","created_at":"2026-05-18T12:26:04Z"},{"alias_kind":"pith_short_8","alias_value":"5FF75CWS","created_at":"2026-05-18T12:26:04Z"}],"graph_snapshots":[{"event_id":"sha256:e808f4115caf18c5ec40d52123bf3357ff59f6d1bf76d90bd100d9ea1a9a6bad","target":"graph","created_at":"2026-05-18T02:04:47Z","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":"In this paper, a novel far-field plasmonic resonance enhanced nanoparticle-seeded Particle Image Velocimetry (nPIV) has been demonstrated to measure the velocity profile in a micro channel. Chemically synthesized silver nanoparticles have been used to seed the flow in the micro channel. By using Discrete Dipole Approximation (DDA), plasmonic resonance enhanced light scattering has been calculated for spherical silver nanoparticles with diameters ranging from 15nm to 200nm. Optimum scattering wavelength is specified for the nanoparticles in two media: water and air. The diffraction-limited plas","authors_text":"Mingjun Zhang, Quanshui Li, Sara S. Haque, Zhili Zhang","cross_cats":["physics.optics"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2010-11-14T21:42:31Z","title":"Far-Field Plasmonic Resonance Enhanced Nano-Particle Image Velocimetry within a Micro Channel"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1011.3255","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":"sha256:2a504300945c8f84a4a0c63d18cc8c0058cc9b4562fe91b5856f2ca16dfaa7f9","target":"record","created_at":"2026-05-18T02:04:47Z","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":"584f73593d49cd60a56ed7c9940761b60a5d44f0ccc073823ee53ce6c183dfe2","cross_cats_sorted":["physics.optics"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2010-11-14T21:42:31Z","title_canon_sha256":"2640cf3e7b33679c2571b11746d9b72a131ec20e7a1cb0b213ede458c4f809e7"},"schema_version":"1.0","source":{"id":"1011.3255","kind":"arxiv","version":1}},"canonical_sha256":"e94bfe8ad2ee8d2551972483220e5ca7eb77dd68b31ac5af175089bb7ae5c208","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e94bfe8ad2ee8d2551972483220e5ca7eb77dd68b31ac5af175089bb7ae5c208","first_computed_at":"2026-05-18T02:04:47.782638Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:04:47.782638Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"IOtTo+NXYO5aXgvys63uy7ppdSpCS0MBnN8+dYu6FyEnOUqOPQ9YtXzehx/KewjCYbjSMwkFcbo6YXs2KURnAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:04:47.783637Z","signed_message":"canonical_sha256_bytes"},"source_id":"1011.3255","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2a504300945c8f84a4a0c63d18cc8c0058cc9b4562fe91b5856f2ca16dfaa7f9","sha256:e808f4115caf18c5ec40d52123bf3357ff59f6d1bf76d90bd100d9ea1a9a6bad"],"state_sha256":"164a0ca2fd49c6f094022a4e1151f25c92f5834cfedf6ebaae506cd0738fc501"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RJDXXgndCsP96F37EZALZQC8hlRBgs02VHbO73c2nyUz9BsAsadK54N8mJGCA0TrpKTN3dmazmLEYw5XyIGaDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-29T06:15:06.737394Z","bundle_sha256":"5dd03125459315963cbf9bc3557e3a3fe1359755e94c78ca57199af9218dcb12"}}