{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:IB2W6Q5YGYKBCLQUMPFPI64JHY","short_pith_number":"pith:IB2W6Q5Y","canonical_record":{"source":{"id":"1611.04637","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.acc-ph","submitted_at":"2016-11-14T22:32:38Z","cross_cats_sorted":[],"title_canon_sha256":"f828a152f4e5c14f1b35e4517df4a16de8871895439da41c16b58076d81e580c","abstract_canon_sha256":"8c4194ec68b2f4fe1d49a4426ecbba05c5c3d8ba798584e9d03a75c387307bc3"},"schema_version":"1.0"},"canonical_sha256":"40756f43b83614112e1463caf47b893e3bbf6e270a692f6a440102ad8e2a9db0","source":{"kind":"arxiv","id":"1611.04637","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1611.04637","created_at":"2026-05-18T00:58:50Z"},{"alias_kind":"arxiv_version","alias_value":"1611.04637v1","created_at":"2026-05-18T00:58:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1611.04637","created_at":"2026-05-18T00:58:50Z"},{"alias_kind":"pith_short_12","alias_value":"IB2W6Q5YGYKB","created_at":"2026-05-18T12:30:22Z"},{"alias_kind":"pith_short_16","alias_value":"IB2W6Q5YGYKBCLQU","created_at":"2026-05-18T12:30:22Z"},{"alias_kind":"pith_short_8","alias_value":"IB2W6Q5Y","created_at":"2026-05-18T12:30:22Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:IB2W6Q5YGYKBCLQUMPFPI64JHY","target":"record","payload":{"canonical_record":{"source":{"id":"1611.04637","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.acc-ph","submitted_at":"2016-11-14T22:32:38Z","cross_cats_sorted":[],"title_canon_sha256":"f828a152f4e5c14f1b35e4517df4a16de8871895439da41c16b58076d81e580c","abstract_canon_sha256":"8c4194ec68b2f4fe1d49a4426ecbba05c5c3d8ba798584e9d03a75c387307bc3"},"schema_version":"1.0"},"canonical_sha256":"40756f43b83614112e1463caf47b893e3bbf6e270a692f6a440102ad8e2a9db0","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:58:50.377552Z","signature_b64":"F4ckVVN/w3hBk1TV/GxQ9230TAJ5w/gff00TRFvxUQQmrlT2r73a/UI+VkdKUy2q7w6XK0Gx6R0UvtaAg7ejAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"40756f43b83614112e1463caf47b893e3bbf6e270a692f6a440102ad8e2a9db0","last_reissued_at":"2026-05-18T00:58:50.377100Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:58:50.377100Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1611.04637","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":"2026-05-18T00:58:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tFzeqwUD1wpVmK4eC//OMOzrVqHOUbeLpUH5FllrFGeQyRRu0Jal6Q4FHP0ICMyzZ+Op35KlehON2UoeA0TzBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T02:46:38.783138Z"},"content_sha256":"2d72fc917dccf3190521d97a867a36983b583b6e52cb8a03bf7cea30eb03a0cd","schema_version":"1.0","event_id":"sha256:2d72fc917dccf3190521d97a867a36983b583b6e52cb8a03bf7cea30eb03a0cd"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:IB2W6Q5YGYKBCLQUMPFPI64JHY","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Fast Linear Accelerator Modeling Engine for FRIB Online Model Service","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.acc-ph","authors_text":"G. Shen, J. Bengtsson, K. Fukushima, M. Davidsaver, M. Ikegami, Z. He","submitted_at":"2016-11-14T22:32:38Z","abstract_excerpt":"Commissioning of a large accelerator facility like FRIB needs support from an online beam dynamics model. Considering the new physics challenges of FRIB such as modeling of non-axisymmetric superconducting RF cavities and multi-charge state acceleration, there is no readily available online beam tuning code. The design code of FRIB super-conducting linac, IMPACT-Z, is not suitable for online tuning because of its code design and running speed. Therefore, the Fast Linear Accelerator Modeling Engine (FLAME), specifically designed to fulfill FRIB's online modeling challenges, is proposed. The phy"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1611.04637","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":"2026-05-18T00:58:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"aOmvOcJzmCWIiYUlUaG4plzIdiZ21BB3yvfC4AKVnl5GO5UK+kE82+9N51UVmtLPHnQcQ4L/pGJlN2gA/8RnCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T02:46:38.783522Z"},"content_sha256":"cd8da29892cd6a173e6cf48bb70c25f4ae43784b49d9e809d96d60b4bf08f8cd","schema_version":"1.0","event_id":"sha256:cd8da29892cd6a173e6cf48bb70c25f4ae43784b49d9e809d96d60b4bf08f8cd"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/IB2W6Q5YGYKBCLQUMPFPI64JHY/bundle.json","state_url":"https://pith.science/pith/IB2W6Q5YGYKBCLQUMPFPI64JHY/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/IB2W6Q5YGYKBCLQUMPFPI64JHY/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":"2026-06-01T02:46:38Z","links":{"resolver":"https://pith.science/pith/IB2W6Q5YGYKBCLQUMPFPI64JHY","bundle":"https://pith.science/pith/IB2W6Q5YGYKBCLQUMPFPI64JHY/bundle.json","state":"https://pith.science/pith/IB2W6Q5YGYKBCLQUMPFPI64JHY/state.json","well_known_bundle":"https://pith.science/.well-known/pith/IB2W6Q5YGYKBCLQUMPFPI64JHY/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:IB2W6Q5YGYKBCLQUMPFPI64JHY","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":"8c4194ec68b2f4fe1d49a4426ecbba05c5c3d8ba798584e9d03a75c387307bc3","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.acc-ph","submitted_at":"2016-11-14T22:32:38Z","title_canon_sha256":"f828a152f4e5c14f1b35e4517df4a16de8871895439da41c16b58076d81e580c"},"schema_version":"1.0","source":{"id":"1611.04637","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1611.04637","created_at":"2026-05-18T00:58:50Z"},{"alias_kind":"arxiv_version","alias_value":"1611.04637v1","created_at":"2026-05-18T00:58:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1611.04637","created_at":"2026-05-18T00:58:50Z"},{"alias_kind":"pith_short_12","alias_value":"IB2W6Q5YGYKB","created_at":"2026-05-18T12:30:22Z"},{"alias_kind":"pith_short_16","alias_value":"IB2W6Q5YGYKBCLQU","created_at":"2026-05-18T12:30:22Z"},{"alias_kind":"pith_short_8","alias_value":"IB2W6Q5Y","created_at":"2026-05-18T12:30:22Z"}],"graph_snapshots":[{"event_id":"sha256:cd8da29892cd6a173e6cf48bb70c25f4ae43784b49d9e809d96d60b4bf08f8cd","target":"graph","created_at":"2026-05-18T00:58:50Z","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":"Commissioning of a large accelerator facility like FRIB needs support from an online beam dynamics model. Considering the new physics challenges of FRIB such as modeling of non-axisymmetric superconducting RF cavities and multi-charge state acceleration, there is no readily available online beam tuning code. The design code of FRIB super-conducting linac, IMPACT-Z, is not suitable for online tuning because of its code design and running speed. Therefore, the Fast Linear Accelerator Modeling Engine (FLAME), specifically designed to fulfill FRIB's online modeling challenges, is proposed. The phy","authors_text":"G. Shen, J. Bengtsson, K. Fukushima, M. Davidsaver, M. Ikegami, Z. He","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.acc-ph","submitted_at":"2016-11-14T22:32:38Z","title":"The Fast Linear Accelerator Modeling Engine for FRIB Online Model Service"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1611.04637","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":"sha256:2d72fc917dccf3190521d97a867a36983b583b6e52cb8a03bf7cea30eb03a0cd","target":"record","created_at":"2026-05-18T00:58:50Z","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":"8c4194ec68b2f4fe1d49a4426ecbba05c5c3d8ba798584e9d03a75c387307bc3","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.acc-ph","submitted_at":"2016-11-14T22:32:38Z","title_canon_sha256":"f828a152f4e5c14f1b35e4517df4a16de8871895439da41c16b58076d81e580c"},"schema_version":"1.0","source":{"id":"1611.04637","kind":"arxiv","version":1}},"canonical_sha256":"40756f43b83614112e1463caf47b893e3bbf6e270a692f6a440102ad8e2a9db0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"40756f43b83614112e1463caf47b893e3bbf6e270a692f6a440102ad8e2a9db0","first_computed_at":"2026-05-18T00:58:50.377100Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:58:50.377100Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"F4ckVVN/w3hBk1TV/GxQ9230TAJ5w/gff00TRFvxUQQmrlT2r73a/UI+VkdKUy2q7w6XK0Gx6R0UvtaAg7ejAg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:58:50.377552Z","signed_message":"canonical_sha256_bytes"},"source_id":"1611.04637","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2d72fc917dccf3190521d97a867a36983b583b6e52cb8a03bf7cea30eb03a0cd","sha256:cd8da29892cd6a173e6cf48bb70c25f4ae43784b49d9e809d96d60b4bf08f8cd"],"state_sha256":"fc4074d1515a458810f203d4e6c44f611d1df3dc8873452acffbf480556a2a03"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ds2KZ+shvNxzz710J6ka7QQxeJqm2Orcvc3+Nkkw/vebQQkFYoTkwsXkFm7WF3lDu6PdpYOi1t/Ok3Apd7IoBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T02:46:38.785555Z","bundle_sha256":"3d972761ca35a459575ab1139e167ca8cf2ef4debb1861d7a75c9ef64d851d24"}}