{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:P4IEZWJYX54SEDAGHLQ7Q3YCSM","short_pith_number":"pith:P4IEZWJY","canonical_record":{"source":{"id":"1003.1176","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2010-03-05T02:46:58Z","cross_cats_sorted":[],"title_canon_sha256":"b5c25821a830ec89c991cc8f3813eab32fdd63b0134490ad9bcb429095d1f13f","abstract_canon_sha256":"3dfaa85bbc5d3a2b46c921889143b1aa8c49fe0df19065943bca71ae279c6563"},"schema_version":"1.0"},"canonical_sha256":"7f104cd938bf79220c063ae1f86f0293170d78d24e54d0fedf76570b4c5633fd","source":{"kind":"arxiv","id":"1003.1176","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1003.1176","created_at":"2026-05-18T02:08:46Z"},{"alias_kind":"arxiv_version","alias_value":"1003.1176v1","created_at":"2026-05-18T02:08:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1003.1176","created_at":"2026-05-18T02:08:46Z"},{"alias_kind":"pith_short_12","alias_value":"P4IEZWJYX54S","created_at":"2026-05-18T12:26:12Z"},{"alias_kind":"pith_short_16","alias_value":"P4IEZWJYX54SEDAG","created_at":"2026-05-18T12:26:12Z"},{"alias_kind":"pith_short_8","alias_value":"P4IEZWJY","created_at":"2026-05-18T12:26:12Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:P4IEZWJYX54SEDAGHLQ7Q3YCSM","target":"record","payload":{"canonical_record":{"source":{"id":"1003.1176","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2010-03-05T02:46:58Z","cross_cats_sorted":[],"title_canon_sha256":"b5c25821a830ec89c991cc8f3813eab32fdd63b0134490ad9bcb429095d1f13f","abstract_canon_sha256":"3dfaa85bbc5d3a2b46c921889143b1aa8c49fe0df19065943bca71ae279c6563"},"schema_version":"1.0"},"canonical_sha256":"7f104cd938bf79220c063ae1f86f0293170d78d24e54d0fedf76570b4c5633fd","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:08:46.001561Z","signature_b64":"Sd25PphefUBruh9yIpQV9ZvDw9MJ5xOAaK3BCEXvlqk0GGv1/CBBZ66ugvuxRWq0ksakHj9xcPUQ50fdXK49AQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7f104cd938bf79220c063ae1f86f0293170d78d24e54d0fedf76570b4c5633fd","last_reissued_at":"2026-05-18T02:08:46.000807Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:08:46.000807Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1003.1176","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":"2026-05-18T02:08:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gOE6SEkE3mnqS1gBdb/+gh4OXaGRYMfrLq8WS/GKdVFdza2kccwxWSxRrCEBfDsTTcdWkbOiv8H2xwze2XmkBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T04:32:06.096911Z"},"content_sha256":"95ca5b1450ef676d41805f706b90e3d95a62a3b2c1eee9c38b726a618e158b09","schema_version":"1.0","event_id":"sha256:95ca5b1450ef676d41805f706b90e3d95a62a3b2c1eee9c38b726a618e158b09"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:P4IEZWJYX54SEDAGHLQ7Q3YCSM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Nanobeam photonic crystal cavity quantum dot laser","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.optics","authors_text":"Bryan Ellis, Gary Shambat, James S. Harris, Jelena Vuckovic, Tomas Sarmiento, Yiyang Gong","submitted_at":"2010-03-05T02:46:58Z","abstract_excerpt":"The lasing behavior of one dimensional GaAs nanobeam cavities with embedded InAs quantum dots is studied at room temperature. Lasing is observed throughout the quantum dot PL spectrum, and the wavelength dependence of the threshold is calculated. We study the cavity lasers under both 780 nm and 980 nm pump, finding thresholds as low as 0.3 uW and 19 uW for the two pump wavelengths, respectively. Finally, the nanobeam cavity laser wavelengths are tuned by up to 7 nm by employing a fiber taper in near proximity to the cavities. The fiber taper is used both to efficiently pump the cavity and coll"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1003.1176","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":"2026-05-18T02:08:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1bizsl8A7mnU3qzzibMeCBb/82JhjE54fyvdyhbUkgeqwNbrPaW0xj4PxPX2hSC2ZD9+P22SnahL9E29hEAQBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T04:32:06.097637Z"},"content_sha256":"f1a4a2cd9a881d7e39d8418203e841e8bd33d6b04fe3b14bd8cba7e543d7aa12","schema_version":"1.0","event_id":"sha256:f1a4a2cd9a881d7e39d8418203e841e8bd33d6b04fe3b14bd8cba7e543d7aa12"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/P4IEZWJYX54SEDAGHLQ7Q3YCSM/bundle.json","state_url":"https://pith.science/pith/P4IEZWJYX54SEDAGHLQ7Q3YCSM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/P4IEZWJYX54SEDAGHLQ7Q3YCSM/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":"2026-06-05T04:32:06Z","links":{"resolver":"https://pith.science/pith/P4IEZWJYX54SEDAGHLQ7Q3YCSM","bundle":"https://pith.science/pith/P4IEZWJYX54SEDAGHLQ7Q3YCSM/bundle.json","state":"https://pith.science/pith/P4IEZWJYX54SEDAGHLQ7Q3YCSM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/P4IEZWJYX54SEDAGHLQ7Q3YCSM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:P4IEZWJYX54SEDAGHLQ7Q3YCSM","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":"3dfaa85bbc5d3a2b46c921889143b1aa8c49fe0df19065943bca71ae279c6563","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2010-03-05T02:46:58Z","title_canon_sha256":"b5c25821a830ec89c991cc8f3813eab32fdd63b0134490ad9bcb429095d1f13f"},"schema_version":"1.0","source":{"id":"1003.1176","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1003.1176","created_at":"2026-05-18T02:08:46Z"},{"alias_kind":"arxiv_version","alias_value":"1003.1176v1","created_at":"2026-05-18T02:08:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1003.1176","created_at":"2026-05-18T02:08:46Z"},{"alias_kind":"pith_short_12","alias_value":"P4IEZWJYX54S","created_at":"2026-05-18T12:26:12Z"},{"alias_kind":"pith_short_16","alias_value":"P4IEZWJYX54SEDAG","created_at":"2026-05-18T12:26:12Z"},{"alias_kind":"pith_short_8","alias_value":"P4IEZWJY","created_at":"2026-05-18T12:26:12Z"}],"graph_snapshots":[{"event_id":"sha256:f1a4a2cd9a881d7e39d8418203e841e8bd33d6b04fe3b14bd8cba7e543d7aa12","target":"graph","created_at":"2026-05-18T02:08:46Z","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 lasing behavior of one dimensional GaAs nanobeam cavities with embedded InAs quantum dots is studied at room temperature. Lasing is observed throughout the quantum dot PL spectrum, and the wavelength dependence of the threshold is calculated. We study the cavity lasers under both 780 nm and 980 nm pump, finding thresholds as low as 0.3 uW and 19 uW for the two pump wavelengths, respectively. Finally, the nanobeam cavity laser wavelengths are tuned by up to 7 nm by employing a fiber taper in near proximity to the cavities. The fiber taper is used both to efficiently pump the cavity and coll","authors_text":"Bryan Ellis, Gary Shambat, James S. Harris, Jelena Vuckovic, Tomas Sarmiento, Yiyang Gong","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2010-03-05T02:46:58Z","title":"Nanobeam photonic crystal cavity quantum dot laser"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1003.1176","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":"sha256:95ca5b1450ef676d41805f706b90e3d95a62a3b2c1eee9c38b726a618e158b09","target":"record","created_at":"2026-05-18T02:08:46Z","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":"3dfaa85bbc5d3a2b46c921889143b1aa8c49fe0df19065943bca71ae279c6563","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2010-03-05T02:46:58Z","title_canon_sha256":"b5c25821a830ec89c991cc8f3813eab32fdd63b0134490ad9bcb429095d1f13f"},"schema_version":"1.0","source":{"id":"1003.1176","kind":"arxiv","version":1}},"canonical_sha256":"7f104cd938bf79220c063ae1f86f0293170d78d24e54d0fedf76570b4c5633fd","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7f104cd938bf79220c063ae1f86f0293170d78d24e54d0fedf76570b4c5633fd","first_computed_at":"2026-05-18T02:08:46.000807Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:08:46.000807Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Sd25PphefUBruh9yIpQV9ZvDw9MJ5xOAaK3BCEXvlqk0GGv1/CBBZ66ugvuxRWq0ksakHj9xcPUQ50fdXK49AQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:08:46.001561Z","signed_message":"canonical_sha256_bytes"},"source_id":"1003.1176","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:95ca5b1450ef676d41805f706b90e3d95a62a3b2c1eee9c38b726a618e158b09","sha256:f1a4a2cd9a881d7e39d8418203e841e8bd33d6b04fe3b14bd8cba7e543d7aa12"],"state_sha256":"5681578df54c661c004677ad2f529a95b57ad7d26059c1b852ace2625a668cb1"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wmJg/g39OLCSc5hKn566y/mrCqZY3MJwQZ4dQAOX8M78JSWlmWiTcR2Ktt3N6J6DZWt8pzA7UhNG7kPx9TqcBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-05T04:32:06.101094Z","bundle_sha256":"7c34433f52775c0aea5ef875efdc8903d8dbd3a84c53e1e50387b319024782c6"}}