{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:XRETPFQM6CZ63ND5MISEHWBUZU","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":"b1562b379be53014af977769a47f7e419a55d9b75e9ca9de7b739f3e206253f6","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2017-10-15T06:53:01Z","title_canon_sha256":"55e772425834ada4b87f9d968dbfb51da836743337c0581f55eca755c978f1c6"},"schema_version":"1.0","source":{"id":"1710.05288","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1710.05288","created_at":"2026-05-18T00:32:38Z"},{"alias_kind":"arxiv_version","alias_value":"1710.05288v1","created_at":"2026-05-18T00:32:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1710.05288","created_at":"2026-05-18T00:32:38Z"},{"alias_kind":"pith_short_12","alias_value":"XRETPFQM6CZ6","created_at":"2026-05-18T12:31:56Z"},{"alias_kind":"pith_short_16","alias_value":"XRETPFQM6CZ63ND5","created_at":"2026-05-18T12:31:56Z"},{"alias_kind":"pith_short_8","alias_value":"XRETPFQM","created_at":"2026-05-18T12:31:56Z"}],"graph_snapshots":[{"event_id":"sha256:abdcffada876069c389126f2093d0f188cdf916c1c911756a5a08e599d0b77ac","target":"graph","created_at":"2026-05-18T00:32:38Z","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":"The complex refractive index m=n+ik of a particle is an intrinsic property which cannot be directly measured, it must be inferred from its extrinsic properties such as the scattering and absorption cross-sections. Bohren and Huffman called this approach describing the dragon from its tracks, since the inversion of Lorenz-Mie theory equations is intractable without the use of computers. This article describes PyMieScatt, an open-source module for Python that contains functionality for solving the inverse problem for complex m using extensive optical and physical properties as input, and calcula","authors_text":"Benjamin J. Sumlin, Rajan K. Chakrabarty, William R. Heinson","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2017-10-15T06:53:01Z","title":"Retrieving the Aerosol Complex Refractive Index using PyMieScatt: A Mie Computational Package with Visualization Capabilities"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1710.05288","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:b578cecf0a163f028a6ab38418f048782b68b709c50948a9d25f08dedf97c97b","target":"record","created_at":"2026-05-18T00:32:38Z","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":"b1562b379be53014af977769a47f7e419a55d9b75e9ca9de7b739f3e206253f6","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2017-10-15T06:53:01Z","title_canon_sha256":"55e772425834ada4b87f9d968dbfb51da836743337c0581f55eca755c978f1c6"},"schema_version":"1.0","source":{"id":"1710.05288","kind":"arxiv","version":1}},"canonical_sha256":"bc4937960cf0b3edb47d622443d834cd37755dcb913c72d8245edbcee1390f4d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"bc4937960cf0b3edb47d622443d834cd37755dcb913c72d8245edbcee1390f4d","first_computed_at":"2026-05-18T00:32:38.413611Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:32:38.413611Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"alGaS4zfcqkM3w34E2BxOnPt7FQ/RdL3FdCg6B3g1vJb1BiCQYu+FnPuuuwPP8rOgfz+aaumwjHjYrZzavzJDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:32:38.414184Z","signed_message":"canonical_sha256_bytes"},"source_id":"1710.05288","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b578cecf0a163f028a6ab38418f048782b68b709c50948a9d25f08dedf97c97b","sha256:abdcffada876069c389126f2093d0f188cdf916c1c911756a5a08e599d0b77ac"],"state_sha256":"fd07e35c5babc3d5e1d357ccc46001d2b4a3478973e88052245d6fee6f34de2a"}