{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:J2Y6QTEQ25YFXLZYYGYUJCIIXW","short_pith_number":"pith:J2Y6QTEQ","canonical_record":{"source":{"id":"1806.11440","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-06-29T14:33:20Z","cross_cats_sorted":[],"title_canon_sha256":"0e927f0a39b2297098c8925b8b8e1c5e80bbb4922e3a96d1d79c1b5991a14a38","abstract_canon_sha256":"a2d7510d3f354e78027a15e9cebc107044bed394153c9c9ccc7a400ea843d81d"},"schema_version":"1.0"},"canonical_sha256":"4eb1e84c90d7705baf38c1b1448908bd8f43b6ba2cbcca8d7ba284e438be8677","source":{"kind":"arxiv","id":"1806.11440","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1806.11440","created_at":"2026-05-18T00:06:59Z"},{"alias_kind":"arxiv_version","alias_value":"1806.11440v1","created_at":"2026-05-18T00:06:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1806.11440","created_at":"2026-05-18T00:06:59Z"},{"alias_kind":"pith_short_12","alias_value":"J2Y6QTEQ25YF","created_at":"2026-05-18T12:32:31Z"},{"alias_kind":"pith_short_16","alias_value":"J2Y6QTEQ25YFXLZY","created_at":"2026-05-18T12:32:31Z"},{"alias_kind":"pith_short_8","alias_value":"J2Y6QTEQ","created_at":"2026-05-18T12:32:31Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:J2Y6QTEQ25YFXLZYYGYUJCIIXW","target":"record","payload":{"canonical_record":{"source":{"id":"1806.11440","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-06-29T14:33:20Z","cross_cats_sorted":[],"title_canon_sha256":"0e927f0a39b2297098c8925b8b8e1c5e80bbb4922e3a96d1d79c1b5991a14a38","abstract_canon_sha256":"a2d7510d3f354e78027a15e9cebc107044bed394153c9c9ccc7a400ea843d81d"},"schema_version":"1.0"},"canonical_sha256":"4eb1e84c90d7705baf38c1b1448908bd8f43b6ba2cbcca8d7ba284e438be8677","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:06:59.246153Z","signature_b64":"1AspCPUJsWsugAamWX81TfEPcS/T7Im7Ci2dx1+uIec7HIfzkBNx4Ri++u3DKxlN8KyZmqOkAxnYow2L0KZzBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4eb1e84c90d7705baf38c1b1448908bd8f43b6ba2cbcca8d7ba284e438be8677","last_reissued_at":"2026-05-18T00:06:59.245482Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:06:59.245482Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1806.11440","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":"2026-05-18T00:06:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"otHSGxhe5FCLAFHA3reKP28KlqNd5jAcqyAe99pvfPqZD79vr507qh1emkXEZuVtXUw9fK3PBX7QOrRTVlG8Ag==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T22:10:39.160681Z"},"content_sha256":"7e6845ca5e74a32b7ca126e81a96c45975284f844304fb36995619a16b8192dc","schema_version":"1.0","event_id":"sha256:7e6845ca5e74a32b7ca126e81a96c45975284f844304fb36995619a16b8192dc"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:J2Y6QTEQ25YFXLZYYGYUJCIIXW","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Critical slowing down of multi-atom entanglement by Rydberg blockade","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Klaus M{\\o}lmer, Tahereh Abad","submitted_at":"2018-06-29T14:33:20Z","abstract_excerpt":"Laser excitation pulses that lead to perfect adiabatic state transfer in an ensemble of three-level ladder atoms lead to highly entangled states of many atoms if their highest excited state is subject to Rydberg blockade. Solution of the Schr\\\"odinger equation shows that it is increasingly difficult to ensure the adiabatic evolution as the number of atoms increases. A diminishing energy gap, significant variations in collective observables, and increased work fluctuations link the critical slowing down of the adiabatic evolution with a quantum phase transition-like behavior of the system."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1806.11440","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":"2026-05-18T00:06:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"R7tTIk6W2HzofS28JVvf7wWPPI2if2P7mlfTgv1HdielF26z6oRbycHrrVCg4Ldc6lSZsri3FXjCUX7ka5HDAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T22:10:39.161031Z"},"content_sha256":"9d7f1b196e876fc79e51a8329728c4d6ab82af76666d20513f12fc16f3ae1315","schema_version":"1.0","event_id":"sha256:9d7f1b196e876fc79e51a8329728c4d6ab82af76666d20513f12fc16f3ae1315"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/J2Y6QTEQ25YFXLZYYGYUJCIIXW/bundle.json","state_url":"https://pith.science/pith/J2Y6QTEQ25YFXLZYYGYUJCIIXW/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/J2Y6QTEQ25YFXLZYYGYUJCIIXW/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":"2026-05-26T22:10:39Z","links":{"resolver":"https://pith.science/pith/J2Y6QTEQ25YFXLZYYGYUJCIIXW","bundle":"https://pith.science/pith/J2Y6QTEQ25YFXLZYYGYUJCIIXW/bundle.json","state":"https://pith.science/pith/J2Y6QTEQ25YFXLZYYGYUJCIIXW/state.json","well_known_bundle":"https://pith.science/.well-known/pith/J2Y6QTEQ25YFXLZYYGYUJCIIXW/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:J2Y6QTEQ25YFXLZYYGYUJCIIXW","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":"a2d7510d3f354e78027a15e9cebc107044bed394153c9c9ccc7a400ea843d81d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-06-29T14:33:20Z","title_canon_sha256":"0e927f0a39b2297098c8925b8b8e1c5e80bbb4922e3a96d1d79c1b5991a14a38"},"schema_version":"1.0","source":{"id":"1806.11440","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1806.11440","created_at":"2026-05-18T00:06:59Z"},{"alias_kind":"arxiv_version","alias_value":"1806.11440v1","created_at":"2026-05-18T00:06:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1806.11440","created_at":"2026-05-18T00:06:59Z"},{"alias_kind":"pith_short_12","alias_value":"J2Y6QTEQ25YF","created_at":"2026-05-18T12:32:31Z"},{"alias_kind":"pith_short_16","alias_value":"J2Y6QTEQ25YFXLZY","created_at":"2026-05-18T12:32:31Z"},{"alias_kind":"pith_short_8","alias_value":"J2Y6QTEQ","created_at":"2026-05-18T12:32:31Z"}],"graph_snapshots":[{"event_id":"sha256:9d7f1b196e876fc79e51a8329728c4d6ab82af76666d20513f12fc16f3ae1315","target":"graph","created_at":"2026-05-18T00:06:59Z","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":"Laser excitation pulses that lead to perfect adiabatic state transfer in an ensemble of three-level ladder atoms lead to highly entangled states of many atoms if their highest excited state is subject to Rydberg blockade. Solution of the Schr\\\"odinger equation shows that it is increasingly difficult to ensure the adiabatic evolution as the number of atoms increases. A diminishing energy gap, significant variations in collective observables, and increased work fluctuations link the critical slowing down of the adiabatic evolution with a quantum phase transition-like behavior of the system.","authors_text":"Klaus M{\\o}lmer, Tahereh Abad","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-06-29T14:33:20Z","title":"Critical slowing down of multi-atom entanglement by Rydberg blockade"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1806.11440","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":"sha256:7e6845ca5e74a32b7ca126e81a96c45975284f844304fb36995619a16b8192dc","target":"record","created_at":"2026-05-18T00:06:59Z","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":"a2d7510d3f354e78027a15e9cebc107044bed394153c9c9ccc7a400ea843d81d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-06-29T14:33:20Z","title_canon_sha256":"0e927f0a39b2297098c8925b8b8e1c5e80bbb4922e3a96d1d79c1b5991a14a38"},"schema_version":"1.0","source":{"id":"1806.11440","kind":"arxiv","version":1}},"canonical_sha256":"4eb1e84c90d7705baf38c1b1448908bd8f43b6ba2cbcca8d7ba284e438be8677","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4eb1e84c90d7705baf38c1b1448908bd8f43b6ba2cbcca8d7ba284e438be8677","first_computed_at":"2026-05-18T00:06:59.245482Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:06:59.245482Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"1AspCPUJsWsugAamWX81TfEPcS/T7Im7Ci2dx1+uIec7HIfzkBNx4Ri++u3DKxlN8KyZmqOkAxnYow2L0KZzBw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:06:59.246153Z","signed_message":"canonical_sha256_bytes"},"source_id":"1806.11440","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7e6845ca5e74a32b7ca126e81a96c45975284f844304fb36995619a16b8192dc","sha256:9d7f1b196e876fc79e51a8329728c4d6ab82af76666d20513f12fc16f3ae1315"],"state_sha256":"87389904094952b49b70179f15399575f6e5468ba1ed1767b9e1bfb2a9fe7415"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MzfnASz5ezSr8KbVFUTDa4MdgQQ5Ckzsyb41wJ9rOaWEhJxXalAhsFIIH+JSihs18J8uCdfNzMD3k7UXZPgEBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T22:10:39.163436Z","bundle_sha256":"66997cf8f5f9cec9fee387513b28492fd9f6e16c9cf7ac5513685807b755d26b"}}