{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:44JN5C3L35ICA6OATHLYYYY3ZV","short_pith_number":"pith:44JN5C3L","canonical_record":{"source":{"id":"1312.5786","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2013-12-20T00:50:35Z","cross_cats_sorted":["physics.atom-ph"],"title_canon_sha256":"ea0227b751a5f743f32bd8188fbb546b82d5188022c8662615261cec1131d64b","abstract_canon_sha256":"e5f311ca10ba65d29880b4770c1403804fa5e209c8ce09a4984c5020bc0b8dd2"},"schema_version":"1.0"},"canonical_sha256":"e712de8b6bdf502079c099d78c631bcd71d495f3f567e137c4b78d812becc258","source":{"kind":"arxiv","id":"1312.5786","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1312.5786","created_at":"2026-05-18T02:42:53Z"},{"alias_kind":"arxiv_version","alias_value":"1312.5786v1","created_at":"2026-05-18T02:42:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1312.5786","created_at":"2026-05-18T02:42:53Z"},{"alias_kind":"pith_short_12","alias_value":"44JN5C3L35IC","created_at":"2026-05-18T12:27:32Z"},{"alias_kind":"pith_short_16","alias_value":"44JN5C3L35ICA6OA","created_at":"2026-05-18T12:27:32Z"},{"alias_kind":"pith_short_8","alias_value":"44JN5C3L","created_at":"2026-05-18T12:27:32Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:44JN5C3L35ICA6OATHLYYYY3ZV","target":"record","payload":{"canonical_record":{"source":{"id":"1312.5786","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2013-12-20T00:50:35Z","cross_cats_sorted":["physics.atom-ph"],"title_canon_sha256":"ea0227b751a5f743f32bd8188fbb546b82d5188022c8662615261cec1131d64b","abstract_canon_sha256":"e5f311ca10ba65d29880b4770c1403804fa5e209c8ce09a4984c5020bc0b8dd2"},"schema_version":"1.0"},"canonical_sha256":"e712de8b6bdf502079c099d78c631bcd71d495f3f567e137c4b78d812becc258","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:42:53.898459Z","signature_b64":"QiCOoytC8vVC1gXMaDlTjuDtM2swjkibaO2nEulMLzUUjkv+qMm0mVGPWMaMo3IOE2WBcVS01HbM0nInrQ2zBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e712de8b6bdf502079c099d78c631bcd71d495f3f567e137c4b78d812becc258","last_reissued_at":"2026-05-18T02:42:53.897885Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:42:53.897885Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1312.5786","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":"2026-05-18T02:42:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KIo4Pab7Fmip7GUEKhY1sZqenVK1+ETt/66YB37E25jTa+2nxELqVpqGuy02cRqyv9hzWheEqrL/5cAgJ5QEAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T20:43:41.683305Z"},"content_sha256":"272237eacae7967ec5c5cacab070e97cb176f1eb92020db2061317c0368f9b8f","schema_version":"1.0","event_id":"sha256:272237eacae7967ec5c5cacab070e97cb176f1eb92020db2061317c0368f9b8f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:44JN5C3L35ICA6OATHLYYYY3ZV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Energy Transport in Trapped Ion Chains","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.atom-ph"],"primary_cat":"quant-ph","authors_text":"Hartmut H\\\"affner, Michael Ramm, Thaned Pruttivarasin","submitted_at":"2013-12-20T00:50:35Z","abstract_excerpt":"We experimentally study energy transport in chains of trapped ions. We use a pulsed excitation scheme to rapidly add energy to the local motional mode of one of the ions in the chain. Subsequent energy readout allows us to determine how the excitation has propagated throughout the chain. We observe energy revivals that persist for many cycles. We study the behavior with an increasing number of ions of up to 37 in the chain, including a zig-zag configuration. The experimental results agree well with the theory of normal mode evolution. The described system provides an experimental toolbox for t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1312.5786","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":"2026-05-18T02:42:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0mroXzTd1euPA22/aP+XRMNqa/Rmlns7oXcXOuaHO293ZIOuj04/Yzc0GWMasdFYkDj/Eez+OViuKiUcFOPACw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T20:43:41.684034Z"},"content_sha256":"b195cbeac27c34ba0d4f7880902d0a1074db738ac1e20c3adc46703e896f3e1b","schema_version":"1.0","event_id":"sha256:b195cbeac27c34ba0d4f7880902d0a1074db738ac1e20c3adc46703e896f3e1b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/44JN5C3L35ICA6OATHLYYYY3ZV/bundle.json","state_url":"https://pith.science/pith/44JN5C3L35ICA6OATHLYYYY3ZV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/44JN5C3L35ICA6OATHLYYYY3ZV/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":"2026-05-27T20:43:41Z","links":{"resolver":"https://pith.science/pith/44JN5C3L35ICA6OATHLYYYY3ZV","bundle":"https://pith.science/pith/44JN5C3L35ICA6OATHLYYYY3ZV/bundle.json","state":"https://pith.science/pith/44JN5C3L35ICA6OATHLYYYY3ZV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/44JN5C3L35ICA6OATHLYYYY3ZV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:44JN5C3L35ICA6OATHLYYYY3ZV","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":"e5f311ca10ba65d29880b4770c1403804fa5e209c8ce09a4984c5020bc0b8dd2","cross_cats_sorted":["physics.atom-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2013-12-20T00:50:35Z","title_canon_sha256":"ea0227b751a5f743f32bd8188fbb546b82d5188022c8662615261cec1131d64b"},"schema_version":"1.0","source":{"id":"1312.5786","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1312.5786","created_at":"2026-05-18T02:42:53Z"},{"alias_kind":"arxiv_version","alias_value":"1312.5786v1","created_at":"2026-05-18T02:42:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1312.5786","created_at":"2026-05-18T02:42:53Z"},{"alias_kind":"pith_short_12","alias_value":"44JN5C3L35IC","created_at":"2026-05-18T12:27:32Z"},{"alias_kind":"pith_short_16","alias_value":"44JN5C3L35ICA6OA","created_at":"2026-05-18T12:27:32Z"},{"alias_kind":"pith_short_8","alias_value":"44JN5C3L","created_at":"2026-05-18T12:27:32Z"}],"graph_snapshots":[{"event_id":"sha256:b195cbeac27c34ba0d4f7880902d0a1074db738ac1e20c3adc46703e896f3e1b","target":"graph","created_at":"2026-05-18T02:42:53Z","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 experimentally study energy transport in chains of trapped ions. We use a pulsed excitation scheme to rapidly add energy to the local motional mode of one of the ions in the chain. Subsequent energy readout allows us to determine how the excitation has propagated throughout the chain. We observe energy revivals that persist for many cycles. We study the behavior with an increasing number of ions of up to 37 in the chain, including a zig-zag configuration. The experimental results agree well with the theory of normal mode evolution. The described system provides an experimental toolbox for t","authors_text":"Hartmut H\\\"affner, Michael Ramm, Thaned Pruttivarasin","cross_cats":["physics.atom-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2013-12-20T00:50:35Z","title":"Energy Transport in Trapped Ion Chains"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1312.5786","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":"sha256:272237eacae7967ec5c5cacab070e97cb176f1eb92020db2061317c0368f9b8f","target":"record","created_at":"2026-05-18T02:42:53Z","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":"e5f311ca10ba65d29880b4770c1403804fa5e209c8ce09a4984c5020bc0b8dd2","cross_cats_sorted":["physics.atom-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2013-12-20T00:50:35Z","title_canon_sha256":"ea0227b751a5f743f32bd8188fbb546b82d5188022c8662615261cec1131d64b"},"schema_version":"1.0","source":{"id":"1312.5786","kind":"arxiv","version":1}},"canonical_sha256":"e712de8b6bdf502079c099d78c631bcd71d495f3f567e137c4b78d812becc258","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e712de8b6bdf502079c099d78c631bcd71d495f3f567e137c4b78d812becc258","first_computed_at":"2026-05-18T02:42:53.897885Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:42:53.897885Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"QiCOoytC8vVC1gXMaDlTjuDtM2swjkibaO2nEulMLzUUjkv+qMm0mVGPWMaMo3IOE2WBcVS01HbM0nInrQ2zBg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:42:53.898459Z","signed_message":"canonical_sha256_bytes"},"source_id":"1312.5786","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:272237eacae7967ec5c5cacab070e97cb176f1eb92020db2061317c0368f9b8f","sha256:b195cbeac27c34ba0d4f7880902d0a1074db738ac1e20c3adc46703e896f3e1b"],"state_sha256":"4f63aeb95b98e2819e90e422111e80eba676dcef4f36ba86b245e4b2ba593cc5"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nyfd+AGri/KPmNr9r2/j7rg1vRruKtcrwQTnNzGsZ6LCZgvHG9IcYiQOWjAUxLm2yqZnzjG/dHwyUvih4ayWCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T20:43:41.687809Z","bundle_sha256":"e819a59f8884e5d4af9c516a6c2b0cfcba3640f384e7302432763b0a45b07f1f"}}