{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:LRSI2QG5W4VZWGH3TLOU6QNALH","short_pith_number":"pith:LRSI2QG5","canonical_record":{"source":{"id":"1808.05262","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2018-08-15T19:21:20Z","cross_cats_sorted":[],"title_canon_sha256":"b32790f565e7c8e78b169040293a493ecb5ff382df8e8da61364f2e3fabd9cbe","abstract_canon_sha256":"94967c2b4f62cd001ac77443c567b3be43503e396e6d2a8024c589e8930cf29c"},"schema_version":"1.0"},"canonical_sha256":"5c648d40ddb72b9b18fb9add4f41a059c36928b7c9f81424bdbeb3cc2b4d8678","source":{"kind":"arxiv","id":"1808.05262","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1808.05262","created_at":"2026-05-18T00:01:58Z"},{"alias_kind":"arxiv_version","alias_value":"1808.05262v2","created_at":"2026-05-18T00:01:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1808.05262","created_at":"2026-05-18T00:01:58Z"},{"alias_kind":"pith_short_12","alias_value":"LRSI2QG5W4VZ","created_at":"2026-05-18T12:32:37Z"},{"alias_kind":"pith_short_16","alias_value":"LRSI2QG5W4VZWGH3","created_at":"2026-05-18T12:32:37Z"},{"alias_kind":"pith_short_8","alias_value":"LRSI2QG5","created_at":"2026-05-18T12:32:37Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:LRSI2QG5W4VZWGH3TLOU6QNALH","target":"record","payload":{"canonical_record":{"source":{"id":"1808.05262","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2018-08-15T19:21:20Z","cross_cats_sorted":[],"title_canon_sha256":"b32790f565e7c8e78b169040293a493ecb5ff382df8e8da61364f2e3fabd9cbe","abstract_canon_sha256":"94967c2b4f62cd001ac77443c567b3be43503e396e6d2a8024c589e8930cf29c"},"schema_version":"1.0"},"canonical_sha256":"5c648d40ddb72b9b18fb9add4f41a059c36928b7c9f81424bdbeb3cc2b4d8678","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:01:58.103204Z","signature_b64":"nWOLOdBNCyixsbWYxzbZ0knZC8t34sY59a0K+LlNLX0Wuaro4AkVR1GGKvRQ6+5xY13FaRPPI/JMhx4P9ZhxCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5c648d40ddb72b9b18fb9add4f41a059c36928b7c9f81424bdbeb3cc2b4d8678","last_reissued_at":"2026-05-18T00:01:58.102771Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:01:58.102771Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1808.05262","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":"2026-05-18T00:01:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"AbJFOubREnqOWg9j96Wl+C7Gf3UqRwDq+gsMk2Q+bRBovBvwlFvtMNgyyjddsUU276vrQAtNriRh9mGr75/3Bg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-27T10:55:33.086915Z"},"content_sha256":"dd62f59cb855a34a8f6beb354f4e589d15dffd9167f61ce7a48a1974a8fec575","schema_version":"1.0","event_id":"sha256:dd62f59cb855a34a8f6beb354f4e589d15dffd9167f61ce7a48a1974a8fec575"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:LRSI2QG5W4VZWGH3TLOU6QNALH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Heating and cooling of electrons in an ultracold neutral plasma using Rydberg atoms","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.atom-ph","authors_text":"D. A. Tate, E. V. Crockett, F. Robicheaux, R. C. Newell","submitted_at":"2018-08-15T19:21:20Z","abstract_excerpt":"We have experimentally demonstrated both heating and cooling of electrons in an ultracold neutral plasma (UNP) by embedding Rydberg atoms into the plasma soon after its creation. We have determined the relationship between the initial electron temperature, $T_{e,i}$, and the binding energy of the added Rydberg atoms, $E_b$, at the crossover between heating and cooling behaviors (that is, the binding energy of the atoms, which, when they are added to the plasma, neither accelerate or slow down the plasma expansion). Specifically, this condition is $|E_b| \\approx 2.7 \\times k_B T_{e,i}$ when the"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1808.05262","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":"2026-05-18T00:01:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"z3oU6E9lRHe1xsEmZ1+bzwusV6QMAgSoDMQQmAzpiz5Wlctwtc+FOc7C6TaR/mjeEQy1dXv+g6FHMrVCD7nMCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-27T10:55:33.087278Z"},"content_sha256":"09ce35b19f219a34e24595018279be2cb88c19c23ba411d8b139a1ce7cf11e2c","schema_version":"1.0","event_id":"sha256:09ce35b19f219a34e24595018279be2cb88c19c23ba411d8b139a1ce7cf11e2c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LRSI2QG5W4VZWGH3TLOU6QNALH/bundle.json","state_url":"https://pith.science/pith/LRSI2QG5W4VZWGH3TLOU6QNALH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LRSI2QG5W4VZWGH3TLOU6QNALH/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":"2026-06-27T10:55:33Z","links":{"resolver":"https://pith.science/pith/LRSI2QG5W4VZWGH3TLOU6QNALH","bundle":"https://pith.science/pith/LRSI2QG5W4VZWGH3TLOU6QNALH/bundle.json","state":"https://pith.science/pith/LRSI2QG5W4VZWGH3TLOU6QNALH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LRSI2QG5W4VZWGH3TLOU6QNALH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:LRSI2QG5W4VZWGH3TLOU6QNALH","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":"94967c2b4f62cd001ac77443c567b3be43503e396e6d2a8024c589e8930cf29c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2018-08-15T19:21:20Z","title_canon_sha256":"b32790f565e7c8e78b169040293a493ecb5ff382df8e8da61364f2e3fabd9cbe"},"schema_version":"1.0","source":{"id":"1808.05262","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1808.05262","created_at":"2026-05-18T00:01:58Z"},{"alias_kind":"arxiv_version","alias_value":"1808.05262v2","created_at":"2026-05-18T00:01:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1808.05262","created_at":"2026-05-18T00:01:58Z"},{"alias_kind":"pith_short_12","alias_value":"LRSI2QG5W4VZ","created_at":"2026-05-18T12:32:37Z"},{"alias_kind":"pith_short_16","alias_value":"LRSI2QG5W4VZWGH3","created_at":"2026-05-18T12:32:37Z"},{"alias_kind":"pith_short_8","alias_value":"LRSI2QG5","created_at":"2026-05-18T12:32:37Z"}],"graph_snapshots":[{"event_id":"sha256:09ce35b19f219a34e24595018279be2cb88c19c23ba411d8b139a1ce7cf11e2c","target":"graph","created_at":"2026-05-18T00:01:58Z","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 have experimentally demonstrated both heating and cooling of electrons in an ultracold neutral plasma (UNP) by embedding Rydberg atoms into the plasma soon after its creation. We have determined the relationship between the initial electron temperature, $T_{e,i}$, and the binding energy of the added Rydberg atoms, $E_b$, at the crossover between heating and cooling behaviors (that is, the binding energy of the atoms, which, when they are added to the plasma, neither accelerate or slow down the plasma expansion). Specifically, this condition is $|E_b| \\approx 2.7 \\times k_B T_{e,i}$ when the","authors_text":"D. A. Tate, E. V. Crockett, F. Robicheaux, R. C. Newell","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2018-08-15T19:21:20Z","title":"Heating and cooling of electrons in an ultracold neutral plasma using Rydberg atoms"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1808.05262","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:dd62f59cb855a34a8f6beb354f4e589d15dffd9167f61ce7a48a1974a8fec575","target":"record","created_at":"2026-05-18T00:01:58Z","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":"94967c2b4f62cd001ac77443c567b3be43503e396e6d2a8024c589e8930cf29c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2018-08-15T19:21:20Z","title_canon_sha256":"b32790f565e7c8e78b169040293a493ecb5ff382df8e8da61364f2e3fabd9cbe"},"schema_version":"1.0","source":{"id":"1808.05262","kind":"arxiv","version":2}},"canonical_sha256":"5c648d40ddb72b9b18fb9add4f41a059c36928b7c9f81424bdbeb3cc2b4d8678","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5c648d40ddb72b9b18fb9add4f41a059c36928b7c9f81424bdbeb3cc2b4d8678","first_computed_at":"2026-05-18T00:01:58.102771Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:01:58.102771Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"nWOLOdBNCyixsbWYxzbZ0knZC8t34sY59a0K+LlNLX0Wuaro4AkVR1GGKvRQ6+5xY13FaRPPI/JMhx4P9ZhxCA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:01:58.103204Z","signed_message":"canonical_sha256_bytes"},"source_id":"1808.05262","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:dd62f59cb855a34a8f6beb354f4e589d15dffd9167f61ce7a48a1974a8fec575","sha256:09ce35b19f219a34e24595018279be2cb88c19c23ba411d8b139a1ce7cf11e2c"],"state_sha256":"8b152adeaafcbeb912e3e548531a4634f0adb4f401ada8222c228e0f9578c674"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"H7fXdpDPpZWuPOuGzR8+6mAKSZB/QFlIADDNhEvMkdXwWp8X5VKDuyXteoVVacUg7dsZaqrE54qTwngT0jrtAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-27T10:55:33.089332Z","bundle_sha256":"fc1f359d01a68157357fc19533fe905b1fda020aa13cca8056a4820ae534e0c3"}}