{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:RU5JSY5FL26OQDRLAR7GG543RB","short_pith_number":"pith:RU5JSY5F","canonical_record":{"source":{"id":"1505.00292","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2015-05-01T22:49:50Z","cross_cats_sorted":[],"title_canon_sha256":"72146e13000cb09dd061fff1ca12463d8ecf073b1192a734208462ef04dcd86f","abstract_canon_sha256":"5be0a1af6ba34cb8f0c6bbfdb39b66548e9264c97148cc5ce1008dbc024dd01a"},"schema_version":"1.0"},"canonical_sha256":"8d3a9963a55ebce80e2b047e63779b885b890c7cf0a16b4ebe8e94f7d9b3abd6","source":{"kind":"arxiv","id":"1505.00292","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1505.00292","created_at":"2026-05-18T01:24:10Z"},{"alias_kind":"arxiv_version","alias_value":"1505.00292v2","created_at":"2026-05-18T01:24:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1505.00292","created_at":"2026-05-18T01:24:10Z"},{"alias_kind":"pith_short_12","alias_value":"RU5JSY5FL26O","created_at":"2026-05-18T12:29:39Z"},{"alias_kind":"pith_short_16","alias_value":"RU5JSY5FL26OQDRL","created_at":"2026-05-18T12:29:39Z"},{"alias_kind":"pith_short_8","alias_value":"RU5JSY5F","created_at":"2026-05-18T12:29:39Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:RU5JSY5FL26OQDRLAR7GG543RB","target":"record","payload":{"canonical_record":{"source":{"id":"1505.00292","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2015-05-01T22:49:50Z","cross_cats_sorted":[],"title_canon_sha256":"72146e13000cb09dd061fff1ca12463d8ecf073b1192a734208462ef04dcd86f","abstract_canon_sha256":"5be0a1af6ba34cb8f0c6bbfdb39b66548e9264c97148cc5ce1008dbc024dd01a"},"schema_version":"1.0"},"canonical_sha256":"8d3a9963a55ebce80e2b047e63779b885b890c7cf0a16b4ebe8e94f7d9b3abd6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:24:10.849289Z","signature_b64":"tAIENurm8PHOxaokmSYeTMlF/O9145UpD3hSWssc6lpX5pRi594KOPkjw0qF1GYTSaunycqbF2oHTIgERTyZCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8d3a9963a55ebce80e2b047e63779b885b890c7cf0a16b4ebe8e94f7d9b3abd6","last_reissued_at":"2026-05-18T01:24:10.848902Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:24:10.848902Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1505.00292","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:24:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xToD5Dy8eVBn2kmZnfvqT1WoSpANLB7mDWtNrdwIgFawsgIyZzyBSAIif73ghYM8e+e5T6ifGks2Kf2KllBdDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T00:23:59.881503Z"},"content_sha256":"6a453cb13fa26caeed73bd08dc53ca2963ecd4e150c0ae90e8c05c0a9922fe5e","schema_version":"1.0","event_id":"sha256:6a453cb13fa26caeed73bd08dc53ca2963ecd4e150c0ae90e8c05c0a9922fe5e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:RU5JSY5FL26OQDRLAR7GG543RB","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Free-space quantum key distribution to a moving receiver","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Brendon L. Higgins, Catherine Holloway, Christopher J. Pugh, Jean-Philippe Bourgoin, Miles Cranmer, Nick Gigov, Sarah Kaiser, Thomas Jennewein","submitted_at":"2015-05-01T22:49:50Z","abstract_excerpt":"Technological realities limit terrestrial quantum key distribution (QKD) to single-link distances of a few hundred kilometers. One promising avenue for global-scale quantum communication networks is to use low-Earth-orbit satellites. Here we report the first demonstration of QKD from a stationary transmitter to a receiver platform traveling at an angular speed equivalent to a 600 km altitude satellite, located on a moving truck. We overcome the challenges of actively correcting beam pointing, photon polarization and time-of-flight. Our system generates an asymptotic secure key at 40 bits/s."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1505.00292","kind":"arxiv","version":2},"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":"2026-05-18T01:24:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jMVLGFGi4bTo8zkJKAljlTziufcYG5QaxG27IeaYhm0F/FiU2BfMbUSGD40AO3zHsEmnJgC/nusvbYx28S2uDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T00:23:59.881839Z"},"content_sha256":"65bbe15f434bfee91b0cb573d66ffa547fc069771c210e0c2887e70a0eab3f25","schema_version":"1.0","event_id":"sha256:65bbe15f434bfee91b0cb573d66ffa547fc069771c210e0c2887e70a0eab3f25"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/RU5JSY5FL26OQDRLAR7GG543RB/bundle.json","state_url":"https://pith.science/pith/RU5JSY5FL26OQDRLAR7GG543RB/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/RU5JSY5FL26OQDRLAR7GG543RB/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":"2026-06-09T00:23:59Z","links":{"resolver":"https://pith.science/pith/RU5JSY5FL26OQDRLAR7GG543RB","bundle":"https://pith.science/pith/RU5JSY5FL26OQDRLAR7GG543RB/bundle.json","state":"https://pith.science/pith/RU5JSY5FL26OQDRLAR7GG543RB/state.json","well_known_bundle":"https://pith.science/.well-known/pith/RU5JSY5FL26OQDRLAR7GG543RB/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:RU5JSY5FL26OQDRLAR7GG543RB","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":"5be0a1af6ba34cb8f0c6bbfdb39b66548e9264c97148cc5ce1008dbc024dd01a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2015-05-01T22:49:50Z","title_canon_sha256":"72146e13000cb09dd061fff1ca12463d8ecf073b1192a734208462ef04dcd86f"},"schema_version":"1.0","source":{"id":"1505.00292","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1505.00292","created_at":"2026-05-18T01:24:10Z"},{"alias_kind":"arxiv_version","alias_value":"1505.00292v2","created_at":"2026-05-18T01:24:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1505.00292","created_at":"2026-05-18T01:24:10Z"},{"alias_kind":"pith_short_12","alias_value":"RU5JSY5FL26O","created_at":"2026-05-18T12:29:39Z"},{"alias_kind":"pith_short_16","alias_value":"RU5JSY5FL26OQDRL","created_at":"2026-05-18T12:29:39Z"},{"alias_kind":"pith_short_8","alias_value":"RU5JSY5F","created_at":"2026-05-18T12:29:39Z"}],"graph_snapshots":[{"event_id":"sha256:65bbe15f434bfee91b0cb573d66ffa547fc069771c210e0c2887e70a0eab3f25","target":"graph","created_at":"2026-05-18T01:24:10Z","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":"Technological realities limit terrestrial quantum key distribution (QKD) to single-link distances of a few hundred kilometers. One promising avenue for global-scale quantum communication networks is to use low-Earth-orbit satellites. Here we report the first demonstration of QKD from a stationary transmitter to a receiver platform traveling at an angular speed equivalent to a 600 km altitude satellite, located on a moving truck. We overcome the challenges of actively correcting beam pointing, photon polarization and time-of-flight. Our system generates an asymptotic secure key at 40 bits/s.","authors_text":"Brendon L. Higgins, Catherine Holloway, Christopher J. Pugh, Jean-Philippe Bourgoin, Miles Cranmer, Nick Gigov, Sarah Kaiser, Thomas Jennewein","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2015-05-01T22:49:50Z","title":"Free-space quantum key distribution to a moving receiver"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1505.00292","kind":"arxiv","version":2},"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":"sha256:6a453cb13fa26caeed73bd08dc53ca2963ecd4e150c0ae90e8c05c0a9922fe5e","target":"record","created_at":"2026-05-18T01:24:10Z","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":"5be0a1af6ba34cb8f0c6bbfdb39b66548e9264c97148cc5ce1008dbc024dd01a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2015-05-01T22:49:50Z","title_canon_sha256":"72146e13000cb09dd061fff1ca12463d8ecf073b1192a734208462ef04dcd86f"},"schema_version":"1.0","source":{"id":"1505.00292","kind":"arxiv","version":2}},"canonical_sha256":"8d3a9963a55ebce80e2b047e63779b885b890c7cf0a16b4ebe8e94f7d9b3abd6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8d3a9963a55ebce80e2b047e63779b885b890c7cf0a16b4ebe8e94f7d9b3abd6","first_computed_at":"2026-05-18T01:24:10.848902Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:24:10.848902Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"tAIENurm8PHOxaokmSYeTMlF/O9145UpD3hSWssc6lpX5pRi594KOPkjw0qF1GYTSaunycqbF2oHTIgERTyZCw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:24:10.849289Z","signed_message":"canonical_sha256_bytes"},"source_id":"1505.00292","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6a453cb13fa26caeed73bd08dc53ca2963ecd4e150c0ae90e8c05c0a9922fe5e","sha256:65bbe15f434bfee91b0cb573d66ffa547fc069771c210e0c2887e70a0eab3f25"],"state_sha256":"7bd3dcba603f5801a5557c39038f74393d92fd2ae5a8f0162c7987d928cd4ae7"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Yb+PzH2rj9y/sAjE80Ayy963Pk19xs1Jl5sypm6xtccahKihtrHDp8Z1hUxHalE/UWV9twzmdt2uQeqbg4ypDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-09T00:23:59.884790Z","bundle_sha256":"60e9b051978fd0dbab5dba194e580358ea00f1c82e798898408b899e632237a1"}}