{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:UIEO3OXSFDSDAW5NTTFXXB7PNS","short_pith_number":"pith:UIEO3OXS","canonical_record":{"source":{"id":"2506.11980","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2025-06-13T17:36:53Z","cross_cats_sorted":[],"title_canon_sha256":"863a1081e6be87427b4dff9d146773986c540027b07f7d63be39fcbfd893207e","abstract_canon_sha256":"d0b8e9244d78deeee31dac6b0b78d2a5544f02fff38a17873c5f3f7cf87f3685"},"schema_version":"1.0"},"canonical_sha256":"a208edbaf228e4305bad9ccb7b87ef6c8e47a454583433676e4a20b5b46686c2","source":{"kind":"arxiv","id":"2506.11980","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2506.11980","created_at":"2026-07-05T11:21:13Z"},{"alias_kind":"arxiv_version","alias_value":"2506.11980v1","created_at":"2026-07-05T11:21:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2506.11980","created_at":"2026-07-05T11:21:13Z"},{"alias_kind":"pith_short_12","alias_value":"UIEO3OXSFDSD","created_at":"2026-07-05T11:21:13Z"},{"alias_kind":"pith_short_16","alias_value":"UIEO3OXSFDSDAW5N","created_at":"2026-07-05T11:21:13Z"},{"alias_kind":"pith_short_8","alias_value":"UIEO3OXS","created_at":"2026-07-05T11:21:13Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:UIEO3OXSFDSDAW5NTTFXXB7PNS","target":"record","payload":{"canonical_record":{"source":{"id":"2506.11980","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2025-06-13T17:36:53Z","cross_cats_sorted":[],"title_canon_sha256":"863a1081e6be87427b4dff9d146773986c540027b07f7d63be39fcbfd893207e","abstract_canon_sha256":"d0b8e9244d78deeee31dac6b0b78d2a5544f02fff38a17873c5f3f7cf87f3685"},"schema_version":"1.0"},"canonical_sha256":"a208edbaf228e4305bad9ccb7b87ef6c8e47a454583433676e4a20b5b46686c2","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:21:13.889947Z","signature_b64":"APh8ATKU3cH1d8bFNvM5hiz02qSATUTwYE6ogZVhQW6wn1iha20WvXmo9BAZ5IOVPvcFcXXHCEqnZfWBPM0nDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a208edbaf228e4305bad9ccb7b87ef6c8e47a454583433676e4a20b5b46686c2","last_reissued_at":"2026-07-05T11:21:13.889481Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:21:13.889481Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2506.11980","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":"2026-07-05T11:21:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sXdAN5WcOs7IPy451da0nNAg67KW6a2nhf7y3Y2iSArWu3PQ9nxEkDO+zarDOoJo8D2omvK8te75/t5WEXnYAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T16:20:47.540890Z"},"content_sha256":"6d34ddc31afac40f16b881580b85f54c84934265a5971eee56f66a18a188d889","schema_version":"1.0","event_id":"sha256:6d34ddc31afac40f16b881580b85f54c84934265a5971eee56f66a18a188d889"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:UIEO3OXSFDSDAW5NTTFXXB7PNS","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Entanglement-inspired frequency-agile rangefinding","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.optics","authors_text":"Alex McMillan, Alex S. Clark, John G. Rarity, Peide Zhang, Weijie Nie","submitted_at":"2025-06-13T17:36:53Z","abstract_excerpt":"Entanglement, a key feature of quantum mechanics, is recognized for its non-classical correlations which have been shown to provide significant noise resistance in single-photon rangefinding and communications. Drawing inspiration from the advantage given by energy-time entanglement, we developed an energy-time correlated source based on a classical laser that preserves the substantial noise reduction typical of quantum illumination while surpassing the quantum brightness limitation by over six orders of magnitude, making it highly suitable for practical remote sensing applications. A frequenc"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2506.11980","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2506.11980/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T11:21:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"AY2UyvIJ/okhikWq/fMK6TMk1AedpDAnwJhGdlTgrdhNsYLQeOTladBB2XmUmsdvKrWRJjxT6xcoVRlKhRHEAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T16:20:47.541262Z"},"content_sha256":"bfd3d90005f632affbb681677d3ec899a6ea330270383f0913861f7be35fcde7","schema_version":"1.0","event_id":"sha256:bfd3d90005f632affbb681677d3ec899a6ea330270383f0913861f7be35fcde7"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/UIEO3OXSFDSDAW5NTTFXXB7PNS/bundle.json","state_url":"https://pith.science/pith/UIEO3OXSFDSDAW5NTTFXXB7PNS/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/UIEO3OXSFDSDAW5NTTFXXB7PNS/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":"2026-07-06T16:20:47Z","links":{"resolver":"https://pith.science/pith/UIEO3OXSFDSDAW5NTTFXXB7PNS","bundle":"https://pith.science/pith/UIEO3OXSFDSDAW5NTTFXXB7PNS/bundle.json","state":"https://pith.science/pith/UIEO3OXSFDSDAW5NTTFXXB7PNS/state.json","well_known_bundle":"https://pith.science/.well-known/pith/UIEO3OXSFDSDAW5NTTFXXB7PNS/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:UIEO3OXSFDSDAW5NTTFXXB7PNS","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":"d0b8e9244d78deeee31dac6b0b78d2a5544f02fff38a17873c5f3f7cf87f3685","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2025-06-13T17:36:53Z","title_canon_sha256":"863a1081e6be87427b4dff9d146773986c540027b07f7d63be39fcbfd893207e"},"schema_version":"1.0","source":{"id":"2506.11980","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2506.11980","created_at":"2026-07-05T11:21:13Z"},{"alias_kind":"arxiv_version","alias_value":"2506.11980v1","created_at":"2026-07-05T11:21:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2506.11980","created_at":"2026-07-05T11:21:13Z"},{"alias_kind":"pith_short_12","alias_value":"UIEO3OXSFDSD","created_at":"2026-07-05T11:21:13Z"},{"alias_kind":"pith_short_16","alias_value":"UIEO3OXSFDSDAW5N","created_at":"2026-07-05T11:21:13Z"},{"alias_kind":"pith_short_8","alias_value":"UIEO3OXS","created_at":"2026-07-05T11:21:13Z"}],"graph_snapshots":[{"event_id":"sha256:bfd3d90005f632affbb681677d3ec899a6ea330270383f0913861f7be35fcde7","target":"graph","created_at":"2026-07-05T11:21:13Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2506.11980/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Entanglement, a key feature of quantum mechanics, is recognized for its non-classical correlations which have been shown to provide significant noise resistance in single-photon rangefinding and communications. Drawing inspiration from the advantage given by energy-time entanglement, we developed an energy-time correlated source based on a classical laser that preserves the substantial noise reduction typical of quantum illumination while surpassing the quantum brightness limitation by over six orders of magnitude, making it highly suitable for practical remote sensing applications. A frequenc","authors_text":"Alex McMillan, Alex S. Clark, John G. Rarity, Peide Zhang, Weijie Nie","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2025-06-13T17:36:53Z","title":"Entanglement-inspired frequency-agile rangefinding"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2506.11980","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":"sha256:6d34ddc31afac40f16b881580b85f54c84934265a5971eee56f66a18a188d889","target":"record","created_at":"2026-07-05T11:21:13Z","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":"d0b8e9244d78deeee31dac6b0b78d2a5544f02fff38a17873c5f3f7cf87f3685","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2025-06-13T17:36:53Z","title_canon_sha256":"863a1081e6be87427b4dff9d146773986c540027b07f7d63be39fcbfd893207e"},"schema_version":"1.0","source":{"id":"2506.11980","kind":"arxiv","version":1}},"canonical_sha256":"a208edbaf228e4305bad9ccb7b87ef6c8e47a454583433676e4a20b5b46686c2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a208edbaf228e4305bad9ccb7b87ef6c8e47a454583433676e4a20b5b46686c2","first_computed_at":"2026-07-05T11:21:13.889481Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:21:13.889481Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"APh8ATKU3cH1d8bFNvM5hiz02qSATUTwYE6ogZVhQW6wn1iha20WvXmo9BAZ5IOVPvcFcXXHCEqnZfWBPM0nDQ==","signature_status":"signed_v1","signed_at":"2026-07-05T11:21:13.889947Z","signed_message":"canonical_sha256_bytes"},"source_id":"2506.11980","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6d34ddc31afac40f16b881580b85f54c84934265a5971eee56f66a18a188d889","sha256:bfd3d90005f632affbb681677d3ec899a6ea330270383f0913861f7be35fcde7"],"state_sha256":"989bb146d4a8c6ad4ad4345c04d5fca22b708b96b4d584652dc17256ff57ba9e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4YkgQJTZCZEh6QubTLdTBV3bpq8Hy9HYTcKer+aqfxZYeHUUAZ/D+LVQACfPjgfpfE+dJQ/FdZS9xKpZ/HW/Cw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-06T16:20:47.543287Z","bundle_sha256":"b7e73107f5bd97e6d10d6f0578b47c37014ab1bf5764490c0fe4daadf9a16781"}}