{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:YHZB7PSXPR4NX2LBETSPJPIXZX","short_pith_number":"pith:YHZB7PSX","canonical_record":{"source":{"id":"1512.06241","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2015-12-19T12:57:29Z","cross_cats_sorted":["physics.optics"],"title_canon_sha256":"f46a1e90fa4fe02c5d21d63920eaf65408df720cc9e978c456a184f1d3c8d064","abstract_canon_sha256":"e1fc40a060540fda15e79fb03097a8bab118bfc5823d3283366520bc0a475c4a"},"schema_version":"1.0"},"canonical_sha256":"c1f21fbe577c78dbe96124e4f4bd17cdd083b8d9efa2aaee0e7d18c16992ca30","source":{"kind":"arxiv","id":"1512.06241","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1512.06241","created_at":"2026-05-18T00:53:34Z"},{"alias_kind":"arxiv_version","alias_value":"1512.06241v1","created_at":"2026-05-18T00:53:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1512.06241","created_at":"2026-05-18T00:53:34Z"},{"alias_kind":"pith_short_12","alias_value":"YHZB7PSXPR4N","created_at":"2026-05-18T12:29:50Z"},{"alias_kind":"pith_short_16","alias_value":"YHZB7PSXPR4NX2LB","created_at":"2026-05-18T12:29:50Z"},{"alias_kind":"pith_short_8","alias_value":"YHZB7PSX","created_at":"2026-05-18T12:29:50Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:YHZB7PSXPR4NX2LBETSPJPIXZX","target":"record","payload":{"canonical_record":{"source":{"id":"1512.06241","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2015-12-19T12:57:29Z","cross_cats_sorted":["physics.optics"],"title_canon_sha256":"f46a1e90fa4fe02c5d21d63920eaf65408df720cc9e978c456a184f1d3c8d064","abstract_canon_sha256":"e1fc40a060540fda15e79fb03097a8bab118bfc5823d3283366520bc0a475c4a"},"schema_version":"1.0"},"canonical_sha256":"c1f21fbe577c78dbe96124e4f4bd17cdd083b8d9efa2aaee0e7d18c16992ca30","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:53:34.793884Z","signature_b64":"uIYK7L4j5cvdBGXIFI1KUM/i1BYBnEhvQL0A7GkGSinYPMf4H2pQhpDCUOtZuSqbnLhyEAatfwNcz5/26wxeCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c1f21fbe577c78dbe96124e4f4bd17cdd083b8d9efa2aaee0e7d18c16992ca30","last_reissued_at":"2026-05-18T00:53:34.793328Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:53:34.793328Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1512.06241","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":"2026-05-18T00:53:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"J5BrUwL/pXo4K/ZXLMOy4juB1nbmp5i5VSymhG6fcUEhTW3guHGqqv33eEq4/fbwQFZkro3Tp1pLeatPimx1Cw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T14:59:11.529822Z"},"content_sha256":"f8a0f2e21241d13bb6d71e2c3fad0c2ba1434709624b9d18b98b401a4e949910","schema_version":"1.0","event_id":"sha256:f8a0f2e21241d13bb6d71e2c3fad0c2ba1434709624b9d18b98b401a4e949910"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:YHZB7PSXPR4NX2LBETSPJPIXZX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Optical techniques for Rydberg physics in lattice geometries","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.optics"],"primary_cat":"physics.atom-ph","authors_text":"D. Davtyan, J.B. Naber, J. Vos, R.J. Nusselder, R.J. Rengelink","submitted_at":"2015-12-19T12:57:29Z","abstract_excerpt":"We address the technical challenges when performing quantum information experiments with ultracold Rydberg atoms in lattice geometries. We discuss the following key aspects: (i) The coherent manipulation of atomic ground states, (ii) the coherent excitation of Rydberg states, and (iii) spatial addressing of individual lattice sites. We briefly review methods and solutions which have been successfully implemented, and give examples based on our experimental apparatus. This includes an optical phase-locked loop, an intensity and frequency stabilization setup for lasers, and a nematic liquid-crys"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1512.06241","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":"2026-05-18T00:53:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WDBnhrIKQSjPGQbUtcu90VI3M6j21ip3E73gxeLgYOQU90E+zZ3IH/ExdWMFJAXm8xkanZBkOs+iyFFy3svmDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T14:59:11.530548Z"},"content_sha256":"ab5b02ca44d61d58bbe4dd8f3657568803320883242385adae64aeb5b11d4cca","schema_version":"1.0","event_id":"sha256:ab5b02ca44d61d58bbe4dd8f3657568803320883242385adae64aeb5b11d4cca"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YHZB7PSXPR4NX2LBETSPJPIXZX/bundle.json","state_url":"https://pith.science/pith/YHZB7PSXPR4NX2LBETSPJPIXZX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YHZB7PSXPR4NX2LBETSPJPIXZX/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":"2026-05-25T14:59:11Z","links":{"resolver":"https://pith.science/pith/YHZB7PSXPR4NX2LBETSPJPIXZX","bundle":"https://pith.science/pith/YHZB7PSXPR4NX2LBETSPJPIXZX/bundle.json","state":"https://pith.science/pith/YHZB7PSXPR4NX2LBETSPJPIXZX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YHZB7PSXPR4NX2LBETSPJPIXZX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:YHZB7PSXPR4NX2LBETSPJPIXZX","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":"e1fc40a060540fda15e79fb03097a8bab118bfc5823d3283366520bc0a475c4a","cross_cats_sorted":["physics.optics"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2015-12-19T12:57:29Z","title_canon_sha256":"f46a1e90fa4fe02c5d21d63920eaf65408df720cc9e978c456a184f1d3c8d064"},"schema_version":"1.0","source":{"id":"1512.06241","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1512.06241","created_at":"2026-05-18T00:53:34Z"},{"alias_kind":"arxiv_version","alias_value":"1512.06241v1","created_at":"2026-05-18T00:53:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1512.06241","created_at":"2026-05-18T00:53:34Z"},{"alias_kind":"pith_short_12","alias_value":"YHZB7PSXPR4N","created_at":"2026-05-18T12:29:50Z"},{"alias_kind":"pith_short_16","alias_value":"YHZB7PSXPR4NX2LB","created_at":"2026-05-18T12:29:50Z"},{"alias_kind":"pith_short_8","alias_value":"YHZB7PSX","created_at":"2026-05-18T12:29:50Z"}],"graph_snapshots":[{"event_id":"sha256:ab5b02ca44d61d58bbe4dd8f3657568803320883242385adae64aeb5b11d4cca","target":"graph","created_at":"2026-05-18T00:53:34Z","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 address the technical challenges when performing quantum information experiments with ultracold Rydberg atoms in lattice geometries. We discuss the following key aspects: (i) The coherent manipulation of atomic ground states, (ii) the coherent excitation of Rydberg states, and (iii) spatial addressing of individual lattice sites. We briefly review methods and solutions which have been successfully implemented, and give examples based on our experimental apparatus. This includes an optical phase-locked loop, an intensity and frequency stabilization setup for lasers, and a nematic liquid-crys","authors_text":"D. Davtyan, J.B. Naber, J. Vos, R.J. Nusselder, R.J. Rengelink","cross_cats":["physics.optics"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2015-12-19T12:57:29Z","title":"Optical techniques for Rydberg physics in lattice geometries"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1512.06241","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:f8a0f2e21241d13bb6d71e2c3fad0c2ba1434709624b9d18b98b401a4e949910","target":"record","created_at":"2026-05-18T00:53:34Z","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":"e1fc40a060540fda15e79fb03097a8bab118bfc5823d3283366520bc0a475c4a","cross_cats_sorted":["physics.optics"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2015-12-19T12:57:29Z","title_canon_sha256":"f46a1e90fa4fe02c5d21d63920eaf65408df720cc9e978c456a184f1d3c8d064"},"schema_version":"1.0","source":{"id":"1512.06241","kind":"arxiv","version":1}},"canonical_sha256":"c1f21fbe577c78dbe96124e4f4bd17cdd083b8d9efa2aaee0e7d18c16992ca30","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c1f21fbe577c78dbe96124e4f4bd17cdd083b8d9efa2aaee0e7d18c16992ca30","first_computed_at":"2026-05-18T00:53:34.793328Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:53:34.793328Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"uIYK7L4j5cvdBGXIFI1KUM/i1BYBnEhvQL0A7GkGSinYPMf4H2pQhpDCUOtZuSqbnLhyEAatfwNcz5/26wxeCg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:53:34.793884Z","signed_message":"canonical_sha256_bytes"},"source_id":"1512.06241","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f8a0f2e21241d13bb6d71e2c3fad0c2ba1434709624b9d18b98b401a4e949910","sha256:ab5b02ca44d61d58bbe4dd8f3657568803320883242385adae64aeb5b11d4cca"],"state_sha256":"f7d386f9f888d667dc785340116aacfc1701154c1574c01d0fca10fbf4fab030"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jQDSDs34aPzcWYf7adz/qgrQw7Zp6qCAZQTAvobWuDDco8ylH0RbbQLauPp52nQDUU3M94GMj4jRSTYFo/ZSDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T14:59:11.534516Z","bundle_sha256":"cbf7a6474ac4d49745e93a0ddbad325b465b94a9552663a802a3ee57048adf57"}}