{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:QRC4X5QBXJJHNV5KHWCJS36CUA","short_pith_number":"pith:QRC4X5QB","canonical_record":{"source":{"id":"1706.01256","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2017-06-05T10:14:47Z","cross_cats_sorted":[],"title_canon_sha256":"de7ce16f241f8e16461a3de9cbc2f9cd7fbf317ee3c28786aa6216790b9e1bb2","abstract_canon_sha256":"1295cd0256ed70da05cd4c7726027f93f52dfe606aeada358cc0583399c4bc38"},"schema_version":"1.0"},"canonical_sha256":"8445cbf601ba5276d7aa3d84996fc2a00b4586b7cb92872d0b32b433fce1dd47","source":{"kind":"arxiv","id":"1706.01256","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1706.01256","created_at":"2026-05-18T00:34:48Z"},{"alias_kind":"arxiv_version","alias_value":"1706.01256v1","created_at":"2026-05-18T00:34:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1706.01256","created_at":"2026-05-18T00:34:48Z"},{"alias_kind":"pith_short_12","alias_value":"QRC4X5QBXJJH","created_at":"2026-05-18T12:31:39Z"},{"alias_kind":"pith_short_16","alias_value":"QRC4X5QBXJJHNV5K","created_at":"2026-05-18T12:31:39Z"},{"alias_kind":"pith_short_8","alias_value":"QRC4X5QB","created_at":"2026-05-18T12:31:39Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:QRC4X5QBXJJHNV5KHWCJS36CUA","target":"record","payload":{"canonical_record":{"source":{"id":"1706.01256","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2017-06-05T10:14:47Z","cross_cats_sorted":[],"title_canon_sha256":"de7ce16f241f8e16461a3de9cbc2f9cd7fbf317ee3c28786aa6216790b9e1bb2","abstract_canon_sha256":"1295cd0256ed70da05cd4c7726027f93f52dfe606aeada358cc0583399c4bc38"},"schema_version":"1.0"},"canonical_sha256":"8445cbf601ba5276d7aa3d84996fc2a00b4586b7cb92872d0b32b433fce1dd47","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:34:48.120248Z","signature_b64":"n1dW1BnamDUOy2bRKS3B/UyebROeLtKkh9PFg+8Ir1cIq1bK5eXXwZ6D89y2Wur+y34QJS64KoacfzPmjgVPCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8445cbf601ba5276d7aa3d84996fc2a00b4586b7cb92872d0b32b433fce1dd47","last_reissued_at":"2026-05-18T00:34:48.119512Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:34:48.119512Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1706.01256","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":"2026-05-18T00:34:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"T3s+PQzIGPtFS+3SsrN1aB/V7v2T6DRU9J8zfk0bkicvcfx3GiALJPvrgdHxAp9aznptGs7V/mooEhcxTjYGCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T22:14:09.399887Z"},"content_sha256":"48f621a4c74b5bc9f209f38af8fa9361f53ceb31480691b56b99701ad2ff4369","schema_version":"1.0","event_id":"sha256:48f621a4c74b5bc9f209f38af8fa9361f53ceb31480691b56b99701ad2ff4369"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:QRC4X5QBXJJHNV5KHWCJS36CUA","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Single atoms coupled to a near-concentric cavity","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Adrian Nugraha Utama, Chi Huan Nguyen, Christian Kurtsiefer, Gleb Maslennikov, Kadir Durak, Matthias Steiner, Nick Lewty, Stanislav Straupe","submitted_at":"2017-06-05T10:14:47Z","abstract_excerpt":"Concentric cavities can lead to strong photon-atom coupling without a need for high finesse or small physical-cavity volume. In a proof-of-principle experiment of this concept we demonstrate coupling of single Rb atoms to a 11mm long near-concentric cavity with a finesse F=138(2). Operating the cavity 1.65(1)$\\mu$m shorter than the critical length, we observe an atom-cavity coupling constant $g_0=2\\pi \\times 5.0(2)\\,$MHz which exceeds the natural dipole decay rate $\\gamma$ by a factor $g_0/\\gamma=1.7(1)$."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1706.01256","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":"2026-05-18T00:34:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Wh2f2mL7bkctUSVwJf/y//Li9k6vIDEy39wZp3PTYt0wBG1UTwwOIik9aSsavXN2zbFeQn7iLShTW5Mv0trhBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T22:14:09.400527Z"},"content_sha256":"574704d63d4fed0b3be428e6055d91b16e8d40cfe999573791edf762ad349b1c","schema_version":"1.0","event_id":"sha256:574704d63d4fed0b3be428e6055d91b16e8d40cfe999573791edf762ad349b1c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QRC4X5QBXJJHNV5KHWCJS36CUA/bundle.json","state_url":"https://pith.science/pith/QRC4X5QBXJJHNV5KHWCJS36CUA/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QRC4X5QBXJJHNV5KHWCJS36CUA/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":"2026-05-28T22:14:09Z","links":{"resolver":"https://pith.science/pith/QRC4X5QBXJJHNV5KHWCJS36CUA","bundle":"https://pith.science/pith/QRC4X5QBXJJHNV5KHWCJS36CUA/bundle.json","state":"https://pith.science/pith/QRC4X5QBXJJHNV5KHWCJS36CUA/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QRC4X5QBXJJHNV5KHWCJS36CUA/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:QRC4X5QBXJJHNV5KHWCJS36CUA","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":"1295cd0256ed70da05cd4c7726027f93f52dfe606aeada358cc0583399c4bc38","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2017-06-05T10:14:47Z","title_canon_sha256":"de7ce16f241f8e16461a3de9cbc2f9cd7fbf317ee3c28786aa6216790b9e1bb2"},"schema_version":"1.0","source":{"id":"1706.01256","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1706.01256","created_at":"2026-05-18T00:34:48Z"},{"alias_kind":"arxiv_version","alias_value":"1706.01256v1","created_at":"2026-05-18T00:34:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1706.01256","created_at":"2026-05-18T00:34:48Z"},{"alias_kind":"pith_short_12","alias_value":"QRC4X5QBXJJH","created_at":"2026-05-18T12:31:39Z"},{"alias_kind":"pith_short_16","alias_value":"QRC4X5QBXJJHNV5K","created_at":"2026-05-18T12:31:39Z"},{"alias_kind":"pith_short_8","alias_value":"QRC4X5QB","created_at":"2026-05-18T12:31:39Z"}],"graph_snapshots":[{"event_id":"sha256:574704d63d4fed0b3be428e6055d91b16e8d40cfe999573791edf762ad349b1c","target":"graph","created_at":"2026-05-18T00:34:48Z","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":"Concentric cavities can lead to strong photon-atom coupling without a need for high finesse or small physical-cavity volume. In a proof-of-principle experiment of this concept we demonstrate coupling of single Rb atoms to a 11mm long near-concentric cavity with a finesse F=138(2). Operating the cavity 1.65(1)$\\mu$m shorter than the critical length, we observe an atom-cavity coupling constant $g_0=2\\pi \\times 5.0(2)\\,$MHz which exceeds the natural dipole decay rate $\\gamma$ by a factor $g_0/\\gamma=1.7(1)$.","authors_text":"Adrian Nugraha Utama, Chi Huan Nguyen, Christian Kurtsiefer, Gleb Maslennikov, Kadir Durak, Matthias Steiner, Nick Lewty, Stanislav Straupe","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2017-06-05T10:14:47Z","title":"Single atoms coupled to a near-concentric cavity"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1706.01256","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":"sha256:48f621a4c74b5bc9f209f38af8fa9361f53ceb31480691b56b99701ad2ff4369","target":"record","created_at":"2026-05-18T00:34:48Z","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":"1295cd0256ed70da05cd4c7726027f93f52dfe606aeada358cc0583399c4bc38","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2017-06-05T10:14:47Z","title_canon_sha256":"de7ce16f241f8e16461a3de9cbc2f9cd7fbf317ee3c28786aa6216790b9e1bb2"},"schema_version":"1.0","source":{"id":"1706.01256","kind":"arxiv","version":1}},"canonical_sha256":"8445cbf601ba5276d7aa3d84996fc2a00b4586b7cb92872d0b32b433fce1dd47","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8445cbf601ba5276d7aa3d84996fc2a00b4586b7cb92872d0b32b433fce1dd47","first_computed_at":"2026-05-18T00:34:48.119512Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:34:48.119512Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"n1dW1BnamDUOy2bRKS3B/UyebROeLtKkh9PFg+8Ir1cIq1bK5eXXwZ6D89y2Wur+y34QJS64KoacfzPmjgVPCg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:34:48.120248Z","signed_message":"canonical_sha256_bytes"},"source_id":"1706.01256","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:48f621a4c74b5bc9f209f38af8fa9361f53ceb31480691b56b99701ad2ff4369","sha256:574704d63d4fed0b3be428e6055d91b16e8d40cfe999573791edf762ad349b1c"],"state_sha256":"2f186d0072dd6a908dcb012f645952147707e1483aaa993489f21760fdf48126"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JzyqJgszLdcBH+aR2s0orrDUFAPMDaOx6UQCDaflcxx+DW0QbBKgVFuDbSdC6OmmosfrI/JdafXwKT3Dpyp0Bg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T22:14:09.403494Z","bundle_sha256":"2a14572ab9e226ffb9d8f4890e5a70b83abec9239601f008bd31c4647a03d863"}}