{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2006:LHXI5ZLBW5RN5C2TORHYVMULPY","short_pith_number":"pith:LHXI5ZLB","canonical_record":{"source":{"id":"quant-ph/0608047","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"quant-ph","submitted_at":"2006-08-05T01:19:03Z","cross_cats_sorted":[],"title_canon_sha256":"dd00f5a7735eb20697d07d441fad66ed6913ba685ad0ecb8a7a5fd1162270722","abstract_canon_sha256":"1cb91ffd34ca5e56527054f30ff157bb8c73f4757868708c8b155a75129cf138"},"schema_version":"1.0"},"canonical_sha256":"59ee8ee561b762de8b53744f8ab28b7e2692348e5cce3f5e034bbadc2df2d64c","source":{"kind":"arxiv","id":"quant-ph/0608047","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"quant-ph/0608047","created_at":"2026-05-18T01:37:54Z"},{"alias_kind":"arxiv_version","alias_value":"quant-ph/0608047v1","created_at":"2026-05-18T01:37:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.quant-ph/0608047","created_at":"2026-05-18T01:37:54Z"},{"alias_kind":"pith_short_12","alias_value":"LHXI5ZLBW5RN","created_at":"2026-05-18T12:25:54Z"},{"alias_kind":"pith_short_16","alias_value":"LHXI5ZLBW5RN5C2T","created_at":"2026-05-18T12:25:54Z"},{"alias_kind":"pith_short_8","alias_value":"LHXI5ZLB","created_at":"2026-05-18T12:25:54Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2006:LHXI5ZLBW5RN5C2TORHYVMULPY","target":"record","payload":{"canonical_record":{"source":{"id":"quant-ph/0608047","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"quant-ph","submitted_at":"2006-08-05T01:19:03Z","cross_cats_sorted":[],"title_canon_sha256":"dd00f5a7735eb20697d07d441fad66ed6913ba685ad0ecb8a7a5fd1162270722","abstract_canon_sha256":"1cb91ffd34ca5e56527054f30ff157bb8c73f4757868708c8b155a75129cf138"},"schema_version":"1.0"},"canonical_sha256":"59ee8ee561b762de8b53744f8ab28b7e2692348e5cce3f5e034bbadc2df2d64c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:37:54.427821Z","signature_b64":"fZKP3yeILdcCwzCYxJdpl0ZfvErOZDmbFQ7/ygHmXe/A7+8XBEsMt2wSwuJj9s/wxpfHuA2vPqMpZncPU7vZBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"59ee8ee561b762de8b53744f8ab28b7e2692348e5cce3f5e034bbadc2df2d64c","last_reissued_at":"2026-05-18T01:37:54.427191Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:37:54.427191Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"quant-ph/0608047","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":"2026-05-18T01:37:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/XCjwp8ZwJoZxHIpdwVBFhhEqyLDf/v8oiks2hRG0/fu2tPQRGP0XaShBE4v1/kjPolSGPuvoP4xcBnLKz2JCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T10:29:39.088045Z"},"content_sha256":"02cb220488ca20b7b70e2be1097f86750cebd476761cb2ea3eea49b5c25638e2","schema_version":"1.0","event_id":"sha256:02cb220488ca20b7b70e2be1097f86750cebd476761cb2ea3eea49b5c25638e2"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2006:LHXI5ZLBW5RN5C2TORHYVMULPY","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Quantum Interference of Photon Pairs from Two Trapped Atomic Ions","license":"","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"C. Monroe, D. L. Moehring, K. C. Younge, M. J. Madsen, P. Maunz, R. N. Kohn Jr.","submitted_at":"2006-08-05T01:19:03Z","abstract_excerpt":"We collect the fluorescence from two trapped atomic ions, and measure quantum interference between photons emitted from the ions. The interference of two photons is a crucial component of schemes to entangle atomic qubits based on a photonic coupling. The ability to preserve the generated entanglement and to repeat the experiment with the same ions is necessary to implement entangling quantum gates between atomic qubits, and allows the implementation of protocols to efficiently scale to larger numbers of atomic qubits."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"quant-ph/0608047","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":"2026-05-18T01:37:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tPIYviwQ2YILlp/GfIYJYR+lXSQCyjacHDwG0L79F7bXHq8ZQfiq+6xRs3xlr6xoOPM0I8AmxeO9XzukPuq6Bg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T10:29:39.088749Z"},"content_sha256":"50bcf6ad74a5ab1cdadc6445708f672fac2c0374861b71393a9d91f5d24eb946","schema_version":"1.0","event_id":"sha256:50bcf6ad74a5ab1cdadc6445708f672fac2c0374861b71393a9d91f5d24eb946"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LHXI5ZLBW5RN5C2TORHYVMULPY/bundle.json","state_url":"https://pith.science/pith/LHXI5ZLBW5RN5C2TORHYVMULPY/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LHXI5ZLBW5RN5C2TORHYVMULPY/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":"2026-05-27T10:29:39Z","links":{"resolver":"https://pith.science/pith/LHXI5ZLBW5RN5C2TORHYVMULPY","bundle":"https://pith.science/pith/LHXI5ZLBW5RN5C2TORHYVMULPY/bundle.json","state":"https://pith.science/pith/LHXI5ZLBW5RN5C2TORHYVMULPY/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LHXI5ZLBW5RN5C2TORHYVMULPY/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2006:LHXI5ZLBW5RN5C2TORHYVMULPY","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":"1cb91ffd34ca5e56527054f30ff157bb8c73f4757868708c8b155a75129cf138","cross_cats_sorted":[],"license":"","primary_cat":"quant-ph","submitted_at":"2006-08-05T01:19:03Z","title_canon_sha256":"dd00f5a7735eb20697d07d441fad66ed6913ba685ad0ecb8a7a5fd1162270722"},"schema_version":"1.0","source":{"id":"quant-ph/0608047","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"quant-ph/0608047","created_at":"2026-05-18T01:37:54Z"},{"alias_kind":"arxiv_version","alias_value":"quant-ph/0608047v1","created_at":"2026-05-18T01:37:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.quant-ph/0608047","created_at":"2026-05-18T01:37:54Z"},{"alias_kind":"pith_short_12","alias_value":"LHXI5ZLBW5RN","created_at":"2026-05-18T12:25:54Z"},{"alias_kind":"pith_short_16","alias_value":"LHXI5ZLBW5RN5C2T","created_at":"2026-05-18T12:25:54Z"},{"alias_kind":"pith_short_8","alias_value":"LHXI5ZLB","created_at":"2026-05-18T12:25:54Z"}],"graph_snapshots":[{"event_id":"sha256:50bcf6ad74a5ab1cdadc6445708f672fac2c0374861b71393a9d91f5d24eb946","target":"graph","created_at":"2026-05-18T01:37:54Z","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 collect the fluorescence from two trapped atomic ions, and measure quantum interference between photons emitted from the ions. The interference of two photons is a crucial component of schemes to entangle atomic qubits based on a photonic coupling. The ability to preserve the generated entanglement and to repeat the experiment with the same ions is necessary to implement entangling quantum gates between atomic qubits, and allows the implementation of protocols to efficiently scale to larger numbers of atomic qubits.","authors_text":"C. Monroe, D. L. Moehring, K. C. Younge, M. J. Madsen, P. Maunz, R. N. Kohn Jr.","cross_cats":[],"headline":"","license":"","primary_cat":"quant-ph","submitted_at":"2006-08-05T01:19:03Z","title":"Quantum Interference of Photon Pairs from Two Trapped Atomic Ions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"quant-ph/0608047","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":"sha256:02cb220488ca20b7b70e2be1097f86750cebd476761cb2ea3eea49b5c25638e2","target":"record","created_at":"2026-05-18T01:37:54Z","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":"1cb91ffd34ca5e56527054f30ff157bb8c73f4757868708c8b155a75129cf138","cross_cats_sorted":[],"license":"","primary_cat":"quant-ph","submitted_at":"2006-08-05T01:19:03Z","title_canon_sha256":"dd00f5a7735eb20697d07d441fad66ed6913ba685ad0ecb8a7a5fd1162270722"},"schema_version":"1.0","source":{"id":"quant-ph/0608047","kind":"arxiv","version":1}},"canonical_sha256":"59ee8ee561b762de8b53744f8ab28b7e2692348e5cce3f5e034bbadc2df2d64c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"59ee8ee561b762de8b53744f8ab28b7e2692348e5cce3f5e034bbadc2df2d64c","first_computed_at":"2026-05-18T01:37:54.427191Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:37:54.427191Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"fZKP3yeILdcCwzCYxJdpl0ZfvErOZDmbFQ7/ygHmXe/A7+8XBEsMt2wSwuJj9s/wxpfHuA2vPqMpZncPU7vZBg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:37:54.427821Z","signed_message":"canonical_sha256_bytes"},"source_id":"quant-ph/0608047","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:02cb220488ca20b7b70e2be1097f86750cebd476761cb2ea3eea49b5c25638e2","sha256:50bcf6ad74a5ab1cdadc6445708f672fac2c0374861b71393a9d91f5d24eb946"],"state_sha256":"719a1937055902ac4137954c5971b5da37159099001e641b60bfa67fc9be2f66"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"djp+KAHT7EFmGjQnLypE/Q19L7QKJQYqEkWtJaoCYJ7g2XGFHRWZSoeURKWawvcwuJdW1OcxeejeGQ3OnTIgBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T10:29:39.092028Z","bundle_sha256":"1a189f96b4bec8667e9c2d916939bedb5a558958168e9dd4a7d8391c7fd62c60"}}