{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2003:BPF6R6OUV4HE3N4IDLTERR7RNP","short_pith_number":"pith:BPF6R6OU","canonical_record":{"source":{"id":"astro-ph/0311304","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2003-11-13T03:22:09Z","cross_cats_sorted":[],"title_canon_sha256":"808d5428e7cefdc022df006d129f1d226ff5fbbb1683afdd63c3fd35234668c7","abstract_canon_sha256":"b039ae6288a77b99182dd787f85ac7cf2eca0c9ccc20698f36d269b7a182552f"},"schema_version":"1.0"},"canonical_sha256":"0bcbe8f9d4af0e4db7881ae648c7f16bd6123de167ae090e95ff746601f5e621","source":{"kind":"arxiv","id":"astro-ph/0311304","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0311304","created_at":"2026-05-18T01:40:37Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0311304v1","created_at":"2026-05-18T01:40:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0311304","created_at":"2026-05-18T01:40:37Z"},{"alias_kind":"pith_short_12","alias_value":"BPF6R6OUV4HE","created_at":"2026-05-18T12:25:51Z"},{"alias_kind":"pith_short_16","alias_value":"BPF6R6OUV4HE3N4I","created_at":"2026-05-18T12:25:51Z"},{"alias_kind":"pith_short_8","alias_value":"BPF6R6OU","created_at":"2026-05-18T12:25:51Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2003:BPF6R6OUV4HE3N4IDLTERR7RNP","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0311304","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2003-11-13T03:22:09Z","cross_cats_sorted":[],"title_canon_sha256":"808d5428e7cefdc022df006d129f1d226ff5fbbb1683afdd63c3fd35234668c7","abstract_canon_sha256":"b039ae6288a77b99182dd787f85ac7cf2eca0c9ccc20698f36d269b7a182552f"},"schema_version":"1.0"},"canonical_sha256":"0bcbe8f9d4af0e4db7881ae648c7f16bd6123de167ae090e95ff746601f5e621","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:40:37.848408Z","signature_b64":"LzZ0LbbsW3WnlF2fLtc+1w4YDP0R1qzahuQ5lzAmjUbr35AZ1Tk92Uoo2o+WZoRl0v/hXcqhP0yQLVkGNRZ0Dg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0bcbe8f9d4af0e4db7881ae648c7f16bd6123de167ae090e95ff746601f5e621","last_reissued_at":"2026-05-18T01:40:37.847714Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:40:37.847714Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0311304","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":"2026-05-18T01:40:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vr7ebPlht23xq9E7FIK88UCiFTBo2Q5c5Iq2x9JjsQWtu65hr9TCKWBbbLWa7UelrIMU3CQIE+tbq2PJ+bIVDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T14:28:51.058232Z"},"content_sha256":"a00875cfe6c8bf26a0f3d4c4c7d7997299c6028d9300f993328f2e5f0c693904","schema_version":"1.0","event_id":"sha256:a00875cfe6c8bf26a0f3d4c4c7d7997299c6028d9300f993328f2e5f0c693904"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2003:BPF6R6OUV4HE3N4IDLTERR7RNP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Discrete-dipole approximation with polarizabilities that account for both finite wavelength and target geometry","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"B. T. Draine, Matthew J. Collinge","submitted_at":"2003-11-13T03:22:09Z","abstract_excerpt":"The discrete-dipole approximation (DDA) is a powerful method for calculating absorption and scattering by targets that have sizes smaller than or comparable to the wavelength of the incident radiation. We present a new prescription -- the Surface-Corrected Lattice Dispersion Relation (SCLDR) -- for assigning the dipole polarizabilities that takes into account both target geometry and finite wavelength. We test the SCLDR in DDA calculations using spherical and ellipsoidal targets and show that for a fixed number of dipoles, the SCLDR prescription results in increased accuracy in the calculated "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0311304","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":"2026-05-18T01:40:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WU+2nOoTehHdTf6KHCVLkPj0PWgDwsSggd1EX8CDNlz7O49ehtT2UQ1A8fiamQtz9W7qxkqUSG96dWosYJX9BQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T14:28:51.058973Z"},"content_sha256":"4575f0e37f9dbd8ae1e5b7071e999dfdb62f1742f7cd34e17dd94fadac48fbf3","schema_version":"1.0","event_id":"sha256:4575f0e37f9dbd8ae1e5b7071e999dfdb62f1742f7cd34e17dd94fadac48fbf3"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/BPF6R6OUV4HE3N4IDLTERR7RNP/bundle.json","state_url":"https://pith.science/pith/BPF6R6OUV4HE3N4IDLTERR7RNP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/BPF6R6OUV4HE3N4IDLTERR7RNP/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":"2026-05-31T14:28:51Z","links":{"resolver":"https://pith.science/pith/BPF6R6OUV4HE3N4IDLTERR7RNP","bundle":"https://pith.science/pith/BPF6R6OUV4HE3N4IDLTERR7RNP/bundle.json","state":"https://pith.science/pith/BPF6R6OUV4HE3N4IDLTERR7RNP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/BPF6R6OUV4HE3N4IDLTERR7RNP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2003:BPF6R6OUV4HE3N4IDLTERR7RNP","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":"b039ae6288a77b99182dd787f85ac7cf2eca0c9ccc20698f36d269b7a182552f","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2003-11-13T03:22:09Z","title_canon_sha256":"808d5428e7cefdc022df006d129f1d226ff5fbbb1683afdd63c3fd35234668c7"},"schema_version":"1.0","source":{"id":"astro-ph/0311304","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0311304","created_at":"2026-05-18T01:40:37Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0311304v1","created_at":"2026-05-18T01:40:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0311304","created_at":"2026-05-18T01:40:37Z"},{"alias_kind":"pith_short_12","alias_value":"BPF6R6OUV4HE","created_at":"2026-05-18T12:25:51Z"},{"alias_kind":"pith_short_16","alias_value":"BPF6R6OUV4HE3N4I","created_at":"2026-05-18T12:25:51Z"},{"alias_kind":"pith_short_8","alias_value":"BPF6R6OU","created_at":"2026-05-18T12:25:51Z"}],"graph_snapshots":[{"event_id":"sha256:4575f0e37f9dbd8ae1e5b7071e999dfdb62f1742f7cd34e17dd94fadac48fbf3","target":"graph","created_at":"2026-05-18T01:40:37Z","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 discrete-dipole approximation (DDA) is a powerful method for calculating absorption and scattering by targets that have sizes smaller than or comparable to the wavelength of the incident radiation. We present a new prescription -- the Surface-Corrected Lattice Dispersion Relation (SCLDR) -- for assigning the dipole polarizabilities that takes into account both target geometry and finite wavelength. We test the SCLDR in DDA calculations using spherical and ellipsoidal targets and show that for a fixed number of dipoles, the SCLDR prescription results in increased accuracy in the calculated ","authors_text":"B. T. Draine, Matthew J. Collinge","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2003-11-13T03:22:09Z","title":"Discrete-dipole approximation with polarizabilities that account for both finite wavelength and target geometry"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0311304","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:a00875cfe6c8bf26a0f3d4c4c7d7997299c6028d9300f993328f2e5f0c693904","target":"record","created_at":"2026-05-18T01:40:37Z","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":"b039ae6288a77b99182dd787f85ac7cf2eca0c9ccc20698f36d269b7a182552f","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2003-11-13T03:22:09Z","title_canon_sha256":"808d5428e7cefdc022df006d129f1d226ff5fbbb1683afdd63c3fd35234668c7"},"schema_version":"1.0","source":{"id":"astro-ph/0311304","kind":"arxiv","version":1}},"canonical_sha256":"0bcbe8f9d4af0e4db7881ae648c7f16bd6123de167ae090e95ff746601f5e621","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0bcbe8f9d4af0e4db7881ae648c7f16bd6123de167ae090e95ff746601f5e621","first_computed_at":"2026-05-18T01:40:37.847714Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:40:37.847714Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"LzZ0LbbsW3WnlF2fLtc+1w4YDP0R1qzahuQ5lzAmjUbr35AZ1Tk92Uoo2o+WZoRl0v/hXcqhP0yQLVkGNRZ0Dg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:40:37.848408Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0311304","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a00875cfe6c8bf26a0f3d4c4c7d7997299c6028d9300f993328f2e5f0c693904","sha256:4575f0e37f9dbd8ae1e5b7071e999dfdb62f1742f7cd34e17dd94fadac48fbf3"],"state_sha256":"127185fa3aec80930ff063fbf292459d839e4a58ff52bb1ecda6065538bab43d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0+VB+HY3ebK0TK9zcL0IyBbN3t2eZUPAcmLrJa5sASPoV7vXRhWVsEAm94VG7TNLPnczAe5vGD90nsiQiFp5DA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T14:28:51.063427Z","bundle_sha256":"eb1443006ea2f67a2eae6612f04db869b187bf45c0a478c5f6cd15887acb391b"}}