{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2006:K24GXBGZWCWOKX576KHBFIRQH7","short_pith_number":"pith:K24GXBGZ","canonical_record":{"source":{"id":"cond-mat/0607667","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.other","submitted_at":"2006-07-26T19:18:22Z","cross_cats_sorted":["physics.atom-ph"],"title_canon_sha256":"5381ffe1654e5f01b1908f226b4655b230871814ddd40c65a8e99f4912a687b8","abstract_canon_sha256":"00bab3722643405003321013a3eb8632f5531cbaf068456764f6e4c16baafea1"},"schema_version":"1.0"},"canonical_sha256":"56b86b84d9b0ace55fbff28e12a2303fc89453ff40dbf7e64dfeff649fceed70","source":{"kind":"arxiv","id":"cond-mat/0607667","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/0607667","created_at":"2026-07-04T15:45:20Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/0607667v2","created_at":"2026-07-04T15:45:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/0607667","created_at":"2026-07-04T15:45:20Z"},{"alias_kind":"pith_short_12","alias_value":"K24GXBGZWCWO","created_at":"2026-07-04T15:45:20Z"},{"alias_kind":"pith_short_16","alias_value":"K24GXBGZWCWOKX57","created_at":"2026-07-04T15:45:20Z"},{"alias_kind":"pith_short_8","alias_value":"K24GXBGZ","created_at":"2026-07-04T15:45:20Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2006:K24GXBGZWCWOKX576KHBFIRQH7","target":"record","payload":{"canonical_record":{"source":{"id":"cond-mat/0607667","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.other","submitted_at":"2006-07-26T19:18:22Z","cross_cats_sorted":["physics.atom-ph"],"title_canon_sha256":"5381ffe1654e5f01b1908f226b4655b230871814ddd40c65a8e99f4912a687b8","abstract_canon_sha256":"00bab3722643405003321013a3eb8632f5531cbaf068456764f6e4c16baafea1"},"schema_version":"1.0"},"canonical_sha256":"56b86b84d9b0ace55fbff28e12a2303fc89453ff40dbf7e64dfeff649fceed70","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T15:45:20.111999Z","signature_b64":"OLqbcfNkLCVkWaxMqgGNDyXPng9gIL3rVxWrcUqlIWVfLe2RLve8q9AQ8GNPC+7AL6H+BsZkbxmPy4laTZEzBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"56b86b84d9b0ace55fbff28e12a2303fc89453ff40dbf7e64dfeff649fceed70","last_reissued_at":"2026-07-04T15:45:20.111653Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T15:45:20.111653Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"cond-mat/0607667","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-04T15:45:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5Er41rZcr4/OtAXKRZJjbOBYot87saTJeAlYBreUR8G5E/O1k7lFYCmfU1+O60ddYUrUkFLF94odTWPlPtL0BQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-14T10:48:15.666516Z"},"content_sha256":"417368ae03d01a491bbbca9077178dc80de90181972a4919f3ee5a2bd313ab57","schema_version":"1.0","event_id":"sha256:417368ae03d01a491bbbca9077178dc80de90181972a4919f3ee5a2bd313ab57"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2006:K24GXBGZWCWOKX576KHBFIRQH7","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Observation of Heteronuclear Feshbach Molecules from a $^{85}$Rb - $^{87}$Rb gas","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.atom-ph"],"primary_cat":"cond-mat.other","authors_text":"C. E. Wieman, S. B. Papp","submitted_at":"2006-07-26T19:18:22Z","abstract_excerpt":"We report on the observation of ultracold heteronuclear Feshbach molecules. Starting with a $^{87}$Rb BEC and a cold atomic gas of $^{85}$Rb, we utilize previously unobserved interspecies Feshbach resonances to create up to 25,000 molecules. Even though the $^{85}$Rb gas is non-degenerate we observe a large molecular conversion efficiency due to the presence of a quantum degenerate $^{87}$Rb gas; this represents a key feature of our system. We compare the molecule creation at two different Feshbach resonances with different magnetic-field widths. The two Feshbach resonances are located at $265"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/0607667","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/cond-mat/0607667/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-04T15:45:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1uxAgZvbCr3utuozmd31q5Q+ZAElYdI16x1z9ANJdfPhgqhels1etTXdTmDBa0VC2WxcPniGbdPWQuNbBTZgCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-14T10:48:15.667149Z"},"content_sha256":"9bfb7e5db4feddc46bb5aa6532909ef5102a464e2011eb6e41683da307ddbc8d","schema_version":"1.0","event_id":"sha256:9bfb7e5db4feddc46bb5aa6532909ef5102a464e2011eb6e41683da307ddbc8d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/K24GXBGZWCWOKX576KHBFIRQH7/bundle.json","state_url":"https://pith.science/pith/K24GXBGZWCWOKX576KHBFIRQH7/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/K24GXBGZWCWOKX576KHBFIRQH7/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":"2026-08-14T10:48:15Z","links":{"resolver":"https://pith.science/pith/K24GXBGZWCWOKX576KHBFIRQH7","bundle":"https://pith.science/pith/K24GXBGZWCWOKX576KHBFIRQH7/bundle.json","state":"https://pith.science/pith/K24GXBGZWCWOKX576KHBFIRQH7/state.json","well_known_bundle":"https://pith.science/.well-known/pith/K24GXBGZWCWOKX576KHBFIRQH7/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2006:K24GXBGZWCWOKX576KHBFIRQH7","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":"00bab3722643405003321013a3eb8632f5531cbaf068456764f6e4c16baafea1","cross_cats_sorted":["physics.atom-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.other","submitted_at":"2006-07-26T19:18:22Z","title_canon_sha256":"5381ffe1654e5f01b1908f226b4655b230871814ddd40c65a8e99f4912a687b8"},"schema_version":"1.0","source":{"id":"cond-mat/0607667","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/0607667","created_at":"2026-07-04T15:45:20Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/0607667v2","created_at":"2026-07-04T15:45:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/0607667","created_at":"2026-07-04T15:45:20Z"},{"alias_kind":"pith_short_12","alias_value":"K24GXBGZWCWO","created_at":"2026-07-04T15:45:20Z"},{"alias_kind":"pith_short_16","alias_value":"K24GXBGZWCWOKX57","created_at":"2026-07-04T15:45:20Z"},{"alias_kind":"pith_short_8","alias_value":"K24GXBGZ","created_at":"2026-07-04T15:45:20Z"}],"graph_snapshots":[{"event_id":"sha256:9bfb7e5db4feddc46bb5aa6532909ef5102a464e2011eb6e41683da307ddbc8d","target":"graph","created_at":"2026-07-04T15:45:20Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/cond-mat/0607667/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We report on the observation of ultracold heteronuclear Feshbach molecules. Starting with a $^{87}$Rb BEC and a cold atomic gas of $^{85}$Rb, we utilize previously unobserved interspecies Feshbach resonances to create up to 25,000 molecules. Even though the $^{85}$Rb gas is non-degenerate we observe a large molecular conversion efficiency due to the presence of a quantum degenerate $^{87}$Rb gas; this represents a key feature of our system. We compare the molecule creation at two different Feshbach resonances with different magnetic-field widths. The two Feshbach resonances are located at $265","authors_text":"C. E. Wieman, S. B. Papp","cross_cats":["physics.atom-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.other","submitted_at":"2006-07-26T19:18:22Z","title":"Observation of Heteronuclear Feshbach Molecules from a $^{85}$Rb - $^{87}$Rb gas"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/0607667","kind":"arxiv","version":2},"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":"sha256:417368ae03d01a491bbbca9077178dc80de90181972a4919f3ee5a2bd313ab57","target":"record","created_at":"2026-07-04T15:45:20Z","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":"00bab3722643405003321013a3eb8632f5531cbaf068456764f6e4c16baafea1","cross_cats_sorted":["physics.atom-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.other","submitted_at":"2006-07-26T19:18:22Z","title_canon_sha256":"5381ffe1654e5f01b1908f226b4655b230871814ddd40c65a8e99f4912a687b8"},"schema_version":"1.0","source":{"id":"cond-mat/0607667","kind":"arxiv","version":2}},"canonical_sha256":"56b86b84d9b0ace55fbff28e12a2303fc89453ff40dbf7e64dfeff649fceed70","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"56b86b84d9b0ace55fbff28e12a2303fc89453ff40dbf7e64dfeff649fceed70","first_computed_at":"2026-07-04T15:45:20.111653Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T15:45:20.111653Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"OLqbcfNkLCVkWaxMqgGNDyXPng9gIL3rVxWrcUqlIWVfLe2RLve8q9AQ8GNPC+7AL6H+BsZkbxmPy4laTZEzBQ==","signature_status":"signed_v1","signed_at":"2026-07-04T15:45:20.111999Z","signed_message":"canonical_sha256_bytes"},"source_id":"cond-mat/0607667","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:417368ae03d01a491bbbca9077178dc80de90181972a4919f3ee5a2bd313ab57","sha256:9bfb7e5db4feddc46bb5aa6532909ef5102a464e2011eb6e41683da307ddbc8d"],"state_sha256":"6f6b203f18ee44b5658a12f1f78f86c207a0e3883796a0e8c074ad07b008d035"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qUVm7mL5AEvUfL3/54tgHDRg5fWp8S+xLXkofG46ThHL8uoPFMlUWJG0pXmC7t6iRP0S9OoSQxEeqggdJ3g2Cg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-14T10:48:15.672022Z","bundle_sha256":"58a35d19f9aeef717949616ae37992cf2e4ee3c7cc93a5a57233383ab310f34a"}}