{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:37Y7WROX5Z4EO3EGEO6S4M3YGG","short_pith_number":"pith:37Y7WROX","canonical_record":{"source":{"id":"1608.07043","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2016-08-25T07:48:33Z","cross_cats_sorted":["cond-mat.quant-gas"],"title_canon_sha256":"c5eb2ff7ec7a4ed38490ce7ddf106e7e9025cf06bf9dd4e069078c4f6e4536cd","abstract_canon_sha256":"52215076525e0e2e924aeac15d593cfc91dd77f5e64fe3f5b7fe0e995e2a5b8c"},"schema_version":"1.0"},"canonical_sha256":"dff1fb45d7ee78476c8623bd2e337831a0925c9c34525afb9e23d67a76776ab7","source":{"kind":"arxiv","id":"1608.07043","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1608.07043","created_at":"2026-05-18T00:47:13Z"},{"alias_kind":"arxiv_version","alias_value":"1608.07043v2","created_at":"2026-05-18T00:47:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1608.07043","created_at":"2026-05-18T00:47:13Z"},{"alias_kind":"pith_short_12","alias_value":"37Y7WROX5Z4E","created_at":"2026-05-18T12:29:55Z"},{"alias_kind":"pith_short_16","alias_value":"37Y7WROX5Z4EO3EG","created_at":"2026-05-18T12:29:55Z"},{"alias_kind":"pith_short_8","alias_value":"37Y7WROX","created_at":"2026-05-18T12:29:55Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:37Y7WROX5Z4EO3EGEO6S4M3YGG","target":"record","payload":{"canonical_record":{"source":{"id":"1608.07043","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2016-08-25T07:48:33Z","cross_cats_sorted":["cond-mat.quant-gas"],"title_canon_sha256":"c5eb2ff7ec7a4ed38490ce7ddf106e7e9025cf06bf9dd4e069078c4f6e4536cd","abstract_canon_sha256":"52215076525e0e2e924aeac15d593cfc91dd77f5e64fe3f5b7fe0e995e2a5b8c"},"schema_version":"1.0"},"canonical_sha256":"dff1fb45d7ee78476c8623bd2e337831a0925c9c34525afb9e23d67a76776ab7","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:47:13.273341Z","signature_b64":"OqoeF0d/402MkxWfDFQf0znJgQdkJpKYYl0bj1qNP8e83hyUQAYrJgkezIwpIt5sk7iA54Ro2/xlsgNHdZ8xBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"dff1fb45d7ee78476c8623bd2e337831a0925c9c34525afb9e23d67a76776ab7","last_reissued_at":"2026-05-18T00:47:13.272419Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:47:13.272419Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1608.07043","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":"2026-05-18T00:47:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TgDbHMrZvqzhaEv7IE3EILjGo3YTQYszt+nwr1NcJdYQlnvDTwCSjh6+WjG//JgS2RQ7NT0hUvxOrL4S603HDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T06:35:00.227257Z"},"content_sha256":"86ed02783429118e194dbc76f7c3d58bf2d38aaf8472eff29e93ce762d3bb655","schema_version":"1.0","event_id":"sha256:86ed02783429118e194dbc76f7c3d58bf2d38aaf8472eff29e93ce762d3bb655"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:37Y7WROX5Z4EO3EGEO6S4M3YGG","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Characterization of charge-exchange collisions between ultracold $\\rm{^6Li}$ atoms and $\\rm{^{40}Ca^+}$ ions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.quant-gas"],"primary_cat":"physics.atom-ph","authors_text":"H. Da Silva Jr., M. Raoult, M. Sasakawa, O. Dulieu, R. Nakai, R. Saito, S. Haze, T. Mukaiyama","submitted_at":"2016-08-25T07:48:33Z","abstract_excerpt":"We investigate the energy dependence and the internal-state dependence of the charge-exchange collision cross sections in a mixture of $^6$Li atoms and $^{40}$Ca$^+$ ions in the collision energy range from 0.2 mK to 1 K. Deliberately excited ion micromotion is used to control the collision energy of atoms and ions. The energy dependence of the charge-exchange collision cross section obeys the Langevin model in the temperature range of the current experiment, and the measured magnitude of the cross section is correlated to the internal state of the $^{40}$Ca$^+$ ions. Revealing the relationship"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1608.07043","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":""},"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":"2026-05-18T00:47:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Zt/IJMLK/yE2aq2rtuzkRwdtLWkDBD6mgxESW+Gb5cvK61KNy95qaCAFbjR3MBIVJkflMdwvRbhOxLUMbgO6CA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T06:35:00.227662Z"},"content_sha256":"22981a23d7c75067d7f3bfdd01ab8716094653d404d523418c0d14a5d82ada21","schema_version":"1.0","event_id":"sha256:22981a23d7c75067d7f3bfdd01ab8716094653d404d523418c0d14a5d82ada21"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/37Y7WROX5Z4EO3EGEO6S4M3YGG/bundle.json","state_url":"https://pith.science/pith/37Y7WROX5Z4EO3EGEO6S4M3YGG/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/37Y7WROX5Z4EO3EGEO6S4M3YGG/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":"2026-06-03T06:35:00Z","links":{"resolver":"https://pith.science/pith/37Y7WROX5Z4EO3EGEO6S4M3YGG","bundle":"https://pith.science/pith/37Y7WROX5Z4EO3EGEO6S4M3YGG/bundle.json","state":"https://pith.science/pith/37Y7WROX5Z4EO3EGEO6S4M3YGG/state.json","well_known_bundle":"https://pith.science/.well-known/pith/37Y7WROX5Z4EO3EGEO6S4M3YGG/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:37Y7WROX5Z4EO3EGEO6S4M3YGG","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":"52215076525e0e2e924aeac15d593cfc91dd77f5e64fe3f5b7fe0e995e2a5b8c","cross_cats_sorted":["cond-mat.quant-gas"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2016-08-25T07:48:33Z","title_canon_sha256":"c5eb2ff7ec7a4ed38490ce7ddf106e7e9025cf06bf9dd4e069078c4f6e4536cd"},"schema_version":"1.0","source":{"id":"1608.07043","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1608.07043","created_at":"2026-05-18T00:47:13Z"},{"alias_kind":"arxiv_version","alias_value":"1608.07043v2","created_at":"2026-05-18T00:47:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1608.07043","created_at":"2026-05-18T00:47:13Z"},{"alias_kind":"pith_short_12","alias_value":"37Y7WROX5Z4E","created_at":"2026-05-18T12:29:55Z"},{"alias_kind":"pith_short_16","alias_value":"37Y7WROX5Z4EO3EG","created_at":"2026-05-18T12:29:55Z"},{"alias_kind":"pith_short_8","alias_value":"37Y7WROX","created_at":"2026-05-18T12:29:55Z"}],"graph_snapshots":[{"event_id":"sha256:22981a23d7c75067d7f3bfdd01ab8716094653d404d523418c0d14a5d82ada21","target":"graph","created_at":"2026-05-18T00:47:13Z","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 investigate the energy dependence and the internal-state dependence of the charge-exchange collision cross sections in a mixture of $^6$Li atoms and $^{40}$Ca$^+$ ions in the collision energy range from 0.2 mK to 1 K. Deliberately excited ion micromotion is used to control the collision energy of atoms and ions. The energy dependence of the charge-exchange collision cross section obeys the Langevin model in the temperature range of the current experiment, and the measured magnitude of the cross section is correlated to the internal state of the $^{40}$Ca$^+$ ions. Revealing the relationship","authors_text":"H. Da Silva Jr., M. Raoult, M. Sasakawa, O. Dulieu, R. Nakai, R. Saito, S. Haze, T. Mukaiyama","cross_cats":["cond-mat.quant-gas"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2016-08-25T07:48:33Z","title":"Characterization of charge-exchange collisions between ultracold $\\rm{^6Li}$ atoms and $\\rm{^{40}Ca^+}$ ions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1608.07043","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":"sha256:86ed02783429118e194dbc76f7c3d58bf2d38aaf8472eff29e93ce762d3bb655","target":"record","created_at":"2026-05-18T00:47:13Z","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":"52215076525e0e2e924aeac15d593cfc91dd77f5e64fe3f5b7fe0e995e2a5b8c","cross_cats_sorted":["cond-mat.quant-gas"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2016-08-25T07:48:33Z","title_canon_sha256":"c5eb2ff7ec7a4ed38490ce7ddf106e7e9025cf06bf9dd4e069078c4f6e4536cd"},"schema_version":"1.0","source":{"id":"1608.07043","kind":"arxiv","version":2}},"canonical_sha256":"dff1fb45d7ee78476c8623bd2e337831a0925c9c34525afb9e23d67a76776ab7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"dff1fb45d7ee78476c8623bd2e337831a0925c9c34525afb9e23d67a76776ab7","first_computed_at":"2026-05-18T00:47:13.272419Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:47:13.272419Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"OqoeF0d/402MkxWfDFQf0znJgQdkJpKYYl0bj1qNP8e83hyUQAYrJgkezIwpIt5sk7iA54Ro2/xlsgNHdZ8xBg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:47:13.273341Z","signed_message":"canonical_sha256_bytes"},"source_id":"1608.07043","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:86ed02783429118e194dbc76f7c3d58bf2d38aaf8472eff29e93ce762d3bb655","sha256:22981a23d7c75067d7f3bfdd01ab8716094653d404d523418c0d14a5d82ada21"],"state_sha256":"5666d6cee51b7405e9705f433f78507277bdbe1f90a639a6c2dc7b0822cafdad"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DJ7NuERNjrOnTgpVfit/HDkN49I6x0iFxKNA2EXndrVMoDLbTO4uaOKKXfQLOv0QgVeZSboQPIBHo1qsaa3WAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-03T06:35:00.229621Z","bundle_sha256":"a97d6d641277075ab07be17f99647a6ff46cd8475cdf363605159445d50363de"}}