{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2009:K4UXB6CL2SMYJ5GNSVJSEF37W4","short_pith_number":"pith:K4UXB6CL","canonical_record":{"source":{"id":"0910.5749","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2009-10-29T23:38:06Z","cross_cats_sorted":[],"title_canon_sha256":"5a6a7b829a5c0bbd825908fc03398450c732307d2291a719737ca73c97f47e4f","abstract_canon_sha256":"5f9a72c534269a8ffba8bf1a99a014cdaf48bdcab8d3aa37affb52a82f64787b"},"schema_version":"1.0"},"canonical_sha256":"572970f84bd49984f4cd955322177fb72005a2766783014680d8f66a74d53985","source":{"kind":"arxiv","id":"0910.5749","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0910.5749","created_at":"2026-05-18T02:30:48Z"},{"alias_kind":"arxiv_version","alias_value":"0910.5749v1","created_at":"2026-05-18T02:30:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0910.5749","created_at":"2026-05-18T02:30:48Z"},{"alias_kind":"pith_short_12","alias_value":"K4UXB6CL2SMY","created_at":"2026-05-18T12:26:00Z"},{"alias_kind":"pith_short_16","alias_value":"K4UXB6CL2SMYJ5GN","created_at":"2026-05-18T12:26:00Z"},{"alias_kind":"pith_short_8","alias_value":"K4UXB6CL","created_at":"2026-05-18T12:26:00Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2009:K4UXB6CL2SMYJ5GNSVJSEF37W4","target":"record","payload":{"canonical_record":{"source":{"id":"0910.5749","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2009-10-29T23:38:06Z","cross_cats_sorted":[],"title_canon_sha256":"5a6a7b829a5c0bbd825908fc03398450c732307d2291a719737ca73c97f47e4f","abstract_canon_sha256":"5f9a72c534269a8ffba8bf1a99a014cdaf48bdcab8d3aa37affb52a82f64787b"},"schema_version":"1.0"},"canonical_sha256":"572970f84bd49984f4cd955322177fb72005a2766783014680d8f66a74d53985","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:30:48.141538Z","signature_b64":"eCLoHK5ca1k+ukTC678+4JVF/3yjI/go/fE4IkNkEIcWW8SFxkC/cwj2ZJ1s7UW65RXy0YACAlQmf8VOhA4nAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"572970f84bd49984f4cd955322177fb72005a2766783014680d8f66a74d53985","last_reissued_at":"2026-05-18T02:30:48.141051Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:30:48.141051Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0910.5749","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":"2026-05-18T02:30:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Azs2S44b6E9eohy8xiCZCz28H0Rs7lhS/1eyKsVoV5+V333MTqcVSoHTRCJA6th1sfzkm5j4idPJashUNd7xBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T22:14:58.403297Z"},"content_sha256":"e8bfbbf58670115a6933b0d4fe6e8b1fe2f86d5ef245aa4fd444ed48f2ea1d6f","schema_version":"1.0","event_id":"sha256:e8bfbbf58670115a6933b0d4fe6e8b1fe2f86d5ef245aa4fd444ed48f2ea1d6f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2009:K4UXB6CL2SMYJ5GNSVJSEF37W4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Angular redistribution of near-infrared emission from quantum dots in 3D photonic crystals","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.optics","authors_text":"2), 2) ((1) Center for Nanophotonics, (2) Complex Photonic Systems (COPS), A. F. Koenderink (1), Amsterdam, B. H. Husken (1, Department of Science, Enschede, FOM Institute for Atomic, MESA+ Institute for Nanotechnology, Molecular Physics (AMOLF), Technology, the Netherlands), The Netherlands, University of Twente, W. L. Vos (1","submitted_at":"2009-10-29T23:38:06Z","abstract_excerpt":"We study the angle-resolved spontaneous emission of near-infrared light sources in 3D photonic crystals over a wavelength range from 1200 to 1550 nm. To this end PbSe quantum dots are used as light sources inside titania inverse opal photonic crystals. Strong deviations from the Lambertian emission profile are observed. An attenuation of 60 % is observed in the angle dependent radiant flux emitted from the samples due to photonic stop bands. At angles that correspond to the edges of the stop band the emitted flux is increased by up to 34 %. This increase is explained by the redistribution of B"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0910.5749","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":"2026-05-18T02:30:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2B/i+h4QrBaFeHQcVyoO90M8my03nSFx20sdcm/RX8qJCrirXgAYMrQsSaTsyGVBeQYtlqd7fBnWqVzlMgwxAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T22:14:58.403678Z"},"content_sha256":"26fa35b9be067ae07f47a104d313a500b8fedd4db72e0611d66c58c3c83dfbab","schema_version":"1.0","event_id":"sha256:26fa35b9be067ae07f47a104d313a500b8fedd4db72e0611d66c58c3c83dfbab"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/K4UXB6CL2SMYJ5GNSVJSEF37W4/bundle.json","state_url":"https://pith.science/pith/K4UXB6CL2SMYJ5GNSVJSEF37W4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/K4UXB6CL2SMYJ5GNSVJSEF37W4/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":"2026-05-30T22:14:58Z","links":{"resolver":"https://pith.science/pith/K4UXB6CL2SMYJ5GNSVJSEF37W4","bundle":"https://pith.science/pith/K4UXB6CL2SMYJ5GNSVJSEF37W4/bundle.json","state":"https://pith.science/pith/K4UXB6CL2SMYJ5GNSVJSEF37W4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/K4UXB6CL2SMYJ5GNSVJSEF37W4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:K4UXB6CL2SMYJ5GNSVJSEF37W4","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":"5f9a72c534269a8ffba8bf1a99a014cdaf48bdcab8d3aa37affb52a82f64787b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2009-10-29T23:38:06Z","title_canon_sha256":"5a6a7b829a5c0bbd825908fc03398450c732307d2291a719737ca73c97f47e4f"},"schema_version":"1.0","source":{"id":"0910.5749","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0910.5749","created_at":"2026-05-18T02:30:48Z"},{"alias_kind":"arxiv_version","alias_value":"0910.5749v1","created_at":"2026-05-18T02:30:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0910.5749","created_at":"2026-05-18T02:30:48Z"},{"alias_kind":"pith_short_12","alias_value":"K4UXB6CL2SMY","created_at":"2026-05-18T12:26:00Z"},{"alias_kind":"pith_short_16","alias_value":"K4UXB6CL2SMYJ5GN","created_at":"2026-05-18T12:26:00Z"},{"alias_kind":"pith_short_8","alias_value":"K4UXB6CL","created_at":"2026-05-18T12:26:00Z"}],"graph_snapshots":[{"event_id":"sha256:26fa35b9be067ae07f47a104d313a500b8fedd4db72e0611d66c58c3c83dfbab","target":"graph","created_at":"2026-05-18T02:30:48Z","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 angle-resolved spontaneous emission of near-infrared light sources in 3D photonic crystals over a wavelength range from 1200 to 1550 nm. To this end PbSe quantum dots are used as light sources inside titania inverse opal photonic crystals. Strong deviations from the Lambertian emission profile are observed. An attenuation of 60 % is observed in the angle dependent radiant flux emitted from the samples due to photonic stop bands. At angles that correspond to the edges of the stop band the emitted flux is increased by up to 34 %. This increase is explained by the redistribution of B","authors_text":"2), 2) ((1) Center for Nanophotonics, (2) Complex Photonic Systems (COPS), A. F. Koenderink (1), Amsterdam, B. H. Husken (1, Department of Science, Enschede, FOM Institute for Atomic, MESA+ Institute for Nanotechnology, Molecular Physics (AMOLF), Technology, the Netherlands), The Netherlands, University of Twente, W. L. Vos (1","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2009-10-29T23:38:06Z","title":"Angular redistribution of near-infrared emission from quantum dots in 3D photonic crystals"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0910.5749","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:e8bfbbf58670115a6933b0d4fe6e8b1fe2f86d5ef245aa4fd444ed48f2ea1d6f","target":"record","created_at":"2026-05-18T02:30:48Z","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":"5f9a72c534269a8ffba8bf1a99a014cdaf48bdcab8d3aa37affb52a82f64787b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2009-10-29T23:38:06Z","title_canon_sha256":"5a6a7b829a5c0bbd825908fc03398450c732307d2291a719737ca73c97f47e4f"},"schema_version":"1.0","source":{"id":"0910.5749","kind":"arxiv","version":1}},"canonical_sha256":"572970f84bd49984f4cd955322177fb72005a2766783014680d8f66a74d53985","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"572970f84bd49984f4cd955322177fb72005a2766783014680d8f66a74d53985","first_computed_at":"2026-05-18T02:30:48.141051Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:30:48.141051Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"eCLoHK5ca1k+ukTC678+4JVF/3yjI/go/fE4IkNkEIcWW8SFxkC/cwj2ZJ1s7UW65RXy0YACAlQmf8VOhA4nAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:30:48.141538Z","signed_message":"canonical_sha256_bytes"},"source_id":"0910.5749","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e8bfbbf58670115a6933b0d4fe6e8b1fe2f86d5ef245aa4fd444ed48f2ea1d6f","sha256:26fa35b9be067ae07f47a104d313a500b8fedd4db72e0611d66c58c3c83dfbab"],"state_sha256":"868ff091db16e1b08df90739c90f3b5cf704543e4973acee570a4152add8d222"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gO4OipcyfJm0Kc98OKU0weT5dhXCx+cmOjnTl6H8RfpTLhNw3NDrjzcixKvY1+5VDEaYqP3UvCSGcVdnxX/RAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T22:14:58.406122Z","bundle_sha256":"2fe3032469c681053315b9c710be03f5df23cacbe0cbcacafa5090ace8120d3e"}}