{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:UKU34UTLOEBIMM33SF23VLHSOH","short_pith_number":"pith:UKU34UTL","canonical_record":{"source":{"id":"1901.02557","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2019-01-08T23:27:58Z","cross_cats_sorted":[],"title_canon_sha256":"24761bc43eba1ca780062e57ac1564d907b2aaed953ceb0e19532ed84ffdd94e","abstract_canon_sha256":"5a706ac1823290c12b9d41ea6266afe352b8220bb72ad8639cc82b65c2bce98a"},"schema_version":"1.0"},"canonical_sha256":"a2a9be526b710286337b9175baacf271c44934c6ad9a163311aff632550e9d85","source":{"kind":"arxiv","id":"1901.02557","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1901.02557","created_at":"2026-05-17T23:43:03Z"},{"alias_kind":"arxiv_version","alias_value":"1901.02557v1","created_at":"2026-05-17T23:43:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1901.02557","created_at":"2026-05-17T23:43:03Z"},{"alias_kind":"pith_short_12","alias_value":"UKU34UTLOEBI","created_at":"2026-05-18T12:33:30Z"},{"alias_kind":"pith_short_16","alias_value":"UKU34UTLOEBIMM33","created_at":"2026-05-18T12:33:30Z"},{"alias_kind":"pith_short_8","alias_value":"UKU34UTL","created_at":"2026-05-18T12:33:30Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:UKU34UTLOEBIMM33SF23VLHSOH","target":"record","payload":{"canonical_record":{"source":{"id":"1901.02557","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2019-01-08T23:27:58Z","cross_cats_sorted":[],"title_canon_sha256":"24761bc43eba1ca780062e57ac1564d907b2aaed953ceb0e19532ed84ffdd94e","abstract_canon_sha256":"5a706ac1823290c12b9d41ea6266afe352b8220bb72ad8639cc82b65c2bce98a"},"schema_version":"1.0"},"canonical_sha256":"a2a9be526b710286337b9175baacf271c44934c6ad9a163311aff632550e9d85","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:43:03.822313Z","signature_b64":"sKzh7fsP4oR6eNjUwLzk2sGgtJnipClguILLK7CzGfxm4eGuwM+955nywVHv0Ti6TcO7PPegKHwz79yzcDejDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a2a9be526b710286337b9175baacf271c44934c6ad9a163311aff632550e9d85","last_reissued_at":"2026-05-17T23:43:03.821818Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:43:03.821818Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1901.02557","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":"2026-05-17T23:43:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"psPJUlypxaWozLNo4WMGPTA9tDN6v1P3a08QnkrWDb8RMKoNYQzYGFNFYdVRJ6sQiOLwbdUvC2nRard9ccERAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-20T19:48:56.320791Z"},"content_sha256":"63980724e1787f4dfc772de07a6bbf27907b4f1925acc598b593519bf859ffb9","schema_version":"1.0","event_id":"sha256:63980724e1787f4dfc772de07a6bbf27907b4f1925acc598b593519bf859ffb9"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:UKU34UTLOEBIMM33SF23VLHSOH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Engineering excited-state interactions at ultracold temperatures","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.atom-ph","authors_text":"Alexander Dunning, Christian Schneider, Eric R. Hudson, Michael Mills, Ming Li, Prateek Puri, Steven J. Schowalter, Svetlana Kotochigova","submitted_at":"2019-01-08T23:27:58Z","abstract_excerpt":"Using a recently developed method for precisely controlling collision energy, we observe a dramatic suppression of inelastic collisions between an atom and ion (Ca + Yb$^+$) at low collision energy. This suppression, which is expected to be a universal phenomenon, arises when the spontaneous emission lifetime of the excited state is comparable to or shorter than the collision complex lifetime. We develop a technique to remove this suppression and engineer excited-state interactions. By dressing the system with a strong catalyst laser, a significant fraction of the collision complexes can be ex"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1901.02557","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":"2026-05-17T23:43:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CLvv+Bqgy/u71JzlsfuGn94SiOwpSJTtVzY66556Z4jxrcCKhn8A33wIUvfKaqAtOCTTQjUW6UYJ71LlP8/bDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-20T19:48:56.321137Z"},"content_sha256":"d342484ccfa28252533bfc8edbab41bcd3aa5aafaddbfa8891b8cfd928ab2fba","schema_version":"1.0","event_id":"sha256:d342484ccfa28252533bfc8edbab41bcd3aa5aafaddbfa8891b8cfd928ab2fba"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/UKU34UTLOEBIMM33SF23VLHSOH/bundle.json","state_url":"https://pith.science/pith/UKU34UTLOEBIMM33SF23VLHSOH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/UKU34UTLOEBIMM33SF23VLHSOH/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":"2026-05-20T19:48:56Z","links":{"resolver":"https://pith.science/pith/UKU34UTLOEBIMM33SF23VLHSOH","bundle":"https://pith.science/pith/UKU34UTLOEBIMM33SF23VLHSOH/bundle.json","state":"https://pith.science/pith/UKU34UTLOEBIMM33SF23VLHSOH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/UKU34UTLOEBIMM33SF23VLHSOH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:UKU34UTLOEBIMM33SF23VLHSOH","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":"5a706ac1823290c12b9d41ea6266afe352b8220bb72ad8639cc82b65c2bce98a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2019-01-08T23:27:58Z","title_canon_sha256":"24761bc43eba1ca780062e57ac1564d907b2aaed953ceb0e19532ed84ffdd94e"},"schema_version":"1.0","source":{"id":"1901.02557","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1901.02557","created_at":"2026-05-17T23:43:03Z"},{"alias_kind":"arxiv_version","alias_value":"1901.02557v1","created_at":"2026-05-17T23:43:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1901.02557","created_at":"2026-05-17T23:43:03Z"},{"alias_kind":"pith_short_12","alias_value":"UKU34UTLOEBI","created_at":"2026-05-18T12:33:30Z"},{"alias_kind":"pith_short_16","alias_value":"UKU34UTLOEBIMM33","created_at":"2026-05-18T12:33:30Z"},{"alias_kind":"pith_short_8","alias_value":"UKU34UTL","created_at":"2026-05-18T12:33:30Z"}],"graph_snapshots":[{"event_id":"sha256:d342484ccfa28252533bfc8edbab41bcd3aa5aafaddbfa8891b8cfd928ab2fba","target":"graph","created_at":"2026-05-17T23:43:03Z","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":"Using a recently developed method for precisely controlling collision energy, we observe a dramatic suppression of inelastic collisions between an atom and ion (Ca + Yb$^+$) at low collision energy. This suppression, which is expected to be a universal phenomenon, arises when the spontaneous emission lifetime of the excited state is comparable to or shorter than the collision complex lifetime. We develop a technique to remove this suppression and engineer excited-state interactions. By dressing the system with a strong catalyst laser, a significant fraction of the collision complexes can be ex","authors_text":"Alexander Dunning, Christian Schneider, Eric R. Hudson, Michael Mills, Ming Li, Prateek Puri, Steven J. Schowalter, Svetlana Kotochigova","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2019-01-08T23:27:58Z","title":"Engineering excited-state interactions at ultracold temperatures"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1901.02557","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":"sha256:63980724e1787f4dfc772de07a6bbf27907b4f1925acc598b593519bf859ffb9","target":"record","created_at":"2026-05-17T23:43:03Z","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":"5a706ac1823290c12b9d41ea6266afe352b8220bb72ad8639cc82b65c2bce98a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2019-01-08T23:27:58Z","title_canon_sha256":"24761bc43eba1ca780062e57ac1564d907b2aaed953ceb0e19532ed84ffdd94e"},"schema_version":"1.0","source":{"id":"1901.02557","kind":"arxiv","version":1}},"canonical_sha256":"a2a9be526b710286337b9175baacf271c44934c6ad9a163311aff632550e9d85","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a2a9be526b710286337b9175baacf271c44934c6ad9a163311aff632550e9d85","first_computed_at":"2026-05-17T23:43:03.821818Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:43:03.821818Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"sKzh7fsP4oR6eNjUwLzk2sGgtJnipClguILLK7CzGfxm4eGuwM+955nywVHv0Ti6TcO7PPegKHwz79yzcDejDw==","signature_status":"signed_v1","signed_at":"2026-05-17T23:43:03.822313Z","signed_message":"canonical_sha256_bytes"},"source_id":"1901.02557","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:63980724e1787f4dfc772de07a6bbf27907b4f1925acc598b593519bf859ffb9","sha256:d342484ccfa28252533bfc8edbab41bcd3aa5aafaddbfa8891b8cfd928ab2fba"],"state_sha256":"3beedc570b50e6ddaf67afa6a21d47039c4ea902331fa49352555ff249336b86"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bl4A0p0ZtWuL9P/ceGSalB6xsNpMjgUaJGJ7SHsbCeL0dJ7Xznh+Z00YTr0qE40AwmGYO/9NsHXYaBPjzqe0Dg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-20T19:48:56.323350Z","bundle_sha256":"4121e6f38c561e5473266330cc2934e9225484b366f85ae9974b5032f7bd7989"}}