{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:QHVT3NI5XXFKKWNL6LBXIGIHZX","short_pith_number":"pith:QHVT3NI5","canonical_record":{"source":{"id":"1709.04946","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.acc-ph","submitted_at":"2017-09-14T18:47:53Z","cross_cats_sorted":[],"title_canon_sha256":"597daf2c5157a5e61913b52cd34892e687143d7248e0377d33c4220da57a6a76","abstract_canon_sha256":"ee0ae972b33f916701d27588cebec5c7bcf4ef29494bd231607219df3d17f871"},"schema_version":"1.0"},"canonical_sha256":"81eb3db51dbdcaa559abf2c3741907cde8e90f334f2bb4bcbf5e5f914f7673c5","source":{"kind":"arxiv","id":"1709.04946","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1709.04946","created_at":"2026-05-18T00:35:08Z"},{"alias_kind":"arxiv_version","alias_value":"1709.04946v1","created_at":"2026-05-18T00:35:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1709.04946","created_at":"2026-05-18T00:35:08Z"},{"alias_kind":"pith_short_12","alias_value":"QHVT3NI5XXFK","created_at":"2026-05-18T12:31:39Z"},{"alias_kind":"pith_short_16","alias_value":"QHVT3NI5XXFKKWNL","created_at":"2026-05-18T12:31:39Z"},{"alias_kind":"pith_short_8","alias_value":"QHVT3NI5","created_at":"2026-05-18T12:31:39Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:QHVT3NI5XXFKKWNL6LBXIGIHZX","target":"record","payload":{"canonical_record":{"source":{"id":"1709.04946","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.acc-ph","submitted_at":"2017-09-14T18:47:53Z","cross_cats_sorted":[],"title_canon_sha256":"597daf2c5157a5e61913b52cd34892e687143d7248e0377d33c4220da57a6a76","abstract_canon_sha256":"ee0ae972b33f916701d27588cebec5c7bcf4ef29494bd231607219df3d17f871"},"schema_version":"1.0"},"canonical_sha256":"81eb3db51dbdcaa559abf2c3741907cde8e90f334f2bb4bcbf5e5f914f7673c5","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:35:08.756479Z","signature_b64":"NzyRT54mWlVJttmAFGXN9aqroulEh1rwgdTYoofUg0kecYMdYBoHR8D7SbPGyBGl5jXC0IHTpK4uiE2bw+xECg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"81eb3db51dbdcaa559abf2c3741907cde8e90f334f2bb4bcbf5e5f914f7673c5","last_reissued_at":"2026-05-18T00:35:08.756025Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:35:08.756025Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1709.04946","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":"2026-05-18T00:35:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4d0iTwt4XnJGZplJvyENLLSqe2r6cIR1eLdf7drqBsDnvb2Z5KQwI4CBqXPLgVydRDZ5/Yq6yfty6Yd8qjlXDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T18:20:48.654460Z"},"content_sha256":"8fac91f5ad53d5123100c4fedfe51dc12d7d5d88eec8fbfd7ad4cdf81342b230","schema_version":"1.0","event_id":"sha256:8fac91f5ad53d5123100c4fedfe51dc12d7d5d88eec8fbfd7ad4cdf81342b230"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:QHVT3NI5XXFKKWNL6LBXIGIHZX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"RF system for the MICE demonstration of ionization cooling","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"physics.acc-ph","authors_text":"A. Bross, A. Grant, A.J. DeMello, A.J. Dick, A. Kurup (Imperial Coll., A. Moretti, A.R. Lambert, A.R. Young (Strathclyde U., Berkeley) T. Anderson, B. Freemire (IIT, C.G. Whyte, Chicago) A. Moss, Cockroft Inst. Accel. Sci. Tech.) D. Li, C. White, D. Bowring, D. Peterson, J. Volk (Fermilab) Y. Torun, K. Dumbell, K. Long, K. Ronald, London) D. Summers (Mississippi U.) P.J. Smith (Sheffield U.), M. Popovic, P. Hanlet, R. Anderson (Rutherford) S. Alsari, R. Pasquinelli, R. Schultz, S. Griffiths (Daresbury) T. Stanley, T. Luo (LBL","submitted_at":"2017-09-14T18:47:53Z","abstract_excerpt":"Muon accelerators offer an attractive option for a range of future particle physics experiments. They can enable high energy (TeV+) high energy lepton colliders whilst mitigating the difficulty of synchrotron losses, and can provide intense beams of neutrinos for fundamental physics experiments investigating the physics of flavor. The method of production of muon beams results in high beam emittance which must be reduced for efficient acceleration. Conventional emittance control schemes take too long, given the very short (2.2 microsecond) rest lifetime of the muon. Ionisation cooling offers a"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1709.04946","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":"2026-05-18T00:35:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NRSqmqdIxHAOTPjRLW4fPB7y0zkoIJo6pBSlCVikAthxwkOecp2YFvbDc6jAoh6h3uyCnOlVTm6rfy8gLPevAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T18:20:48.654818Z"},"content_sha256":"a301f5186e4dc61641d51644bae8c5fc40436e92f038d621354c2f9822288158","schema_version":"1.0","event_id":"sha256:a301f5186e4dc61641d51644bae8c5fc40436e92f038d621354c2f9822288158"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QHVT3NI5XXFKKWNL6LBXIGIHZX/bundle.json","state_url":"https://pith.science/pith/QHVT3NI5XXFKKWNL6LBXIGIHZX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QHVT3NI5XXFKKWNL6LBXIGIHZX/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":"2026-05-30T18:20:48Z","links":{"resolver":"https://pith.science/pith/QHVT3NI5XXFKKWNL6LBXIGIHZX","bundle":"https://pith.science/pith/QHVT3NI5XXFKKWNL6LBXIGIHZX/bundle.json","state":"https://pith.science/pith/QHVT3NI5XXFKKWNL6LBXIGIHZX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QHVT3NI5XXFKKWNL6LBXIGIHZX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:QHVT3NI5XXFKKWNL6LBXIGIHZX","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":"ee0ae972b33f916701d27588cebec5c7bcf4ef29494bd231607219df3d17f871","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.acc-ph","submitted_at":"2017-09-14T18:47:53Z","title_canon_sha256":"597daf2c5157a5e61913b52cd34892e687143d7248e0377d33c4220da57a6a76"},"schema_version":"1.0","source":{"id":"1709.04946","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1709.04946","created_at":"2026-05-18T00:35:08Z"},{"alias_kind":"arxiv_version","alias_value":"1709.04946v1","created_at":"2026-05-18T00:35:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1709.04946","created_at":"2026-05-18T00:35:08Z"},{"alias_kind":"pith_short_12","alias_value":"QHVT3NI5XXFK","created_at":"2026-05-18T12:31:39Z"},{"alias_kind":"pith_short_16","alias_value":"QHVT3NI5XXFKKWNL","created_at":"2026-05-18T12:31:39Z"},{"alias_kind":"pith_short_8","alias_value":"QHVT3NI5","created_at":"2026-05-18T12:31:39Z"}],"graph_snapshots":[{"event_id":"sha256:a301f5186e4dc61641d51644bae8c5fc40436e92f038d621354c2f9822288158","target":"graph","created_at":"2026-05-18T00:35:08Z","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":"Muon accelerators offer an attractive option for a range of future particle physics experiments. They can enable high energy (TeV+) high energy lepton colliders whilst mitigating the difficulty of synchrotron losses, and can provide intense beams of neutrinos for fundamental physics experiments investigating the physics of flavor. The method of production of muon beams results in high beam emittance which must be reduced for efficient acceleration. Conventional emittance control schemes take too long, given the very short (2.2 microsecond) rest lifetime of the muon. Ionisation cooling offers a","authors_text":"A. Bross, A. Grant, A.J. DeMello, A.J. Dick, A. Kurup (Imperial Coll., A. Moretti, A.R. Lambert, A.R. Young (Strathclyde U., Berkeley) T. Anderson, B. Freemire (IIT, C.G. Whyte, Chicago) A. Moss, Cockroft Inst. Accel. Sci. Tech.) D. Li, C. White, D. Bowring, D. Peterson, J. Volk (Fermilab) Y. Torun, K. Dumbell, K. Long, K. Ronald, London) D. Summers (Mississippi U.) P.J. Smith (Sheffield U.), M. Popovic, P. Hanlet, R. Anderson (Rutherford) S. Alsari, R. Pasquinelli, R. Schultz, S. Griffiths (Daresbury) T. Stanley, T. Luo (LBL","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.acc-ph","submitted_at":"2017-09-14T18:47:53Z","title":"RF system for the MICE demonstration of ionization cooling"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1709.04946","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":"sha256:8fac91f5ad53d5123100c4fedfe51dc12d7d5d88eec8fbfd7ad4cdf81342b230","target":"record","created_at":"2026-05-18T00:35:08Z","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":"ee0ae972b33f916701d27588cebec5c7bcf4ef29494bd231607219df3d17f871","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.acc-ph","submitted_at":"2017-09-14T18:47:53Z","title_canon_sha256":"597daf2c5157a5e61913b52cd34892e687143d7248e0377d33c4220da57a6a76"},"schema_version":"1.0","source":{"id":"1709.04946","kind":"arxiv","version":1}},"canonical_sha256":"81eb3db51dbdcaa559abf2c3741907cde8e90f334f2bb4bcbf5e5f914f7673c5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"81eb3db51dbdcaa559abf2c3741907cde8e90f334f2bb4bcbf5e5f914f7673c5","first_computed_at":"2026-05-18T00:35:08.756025Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:35:08.756025Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"NzyRT54mWlVJttmAFGXN9aqroulEh1rwgdTYoofUg0kecYMdYBoHR8D7SbPGyBGl5jXC0IHTpK4uiE2bw+xECg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:35:08.756479Z","signed_message":"canonical_sha256_bytes"},"source_id":"1709.04946","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8fac91f5ad53d5123100c4fedfe51dc12d7d5d88eec8fbfd7ad4cdf81342b230","sha256:a301f5186e4dc61641d51644bae8c5fc40436e92f038d621354c2f9822288158"],"state_sha256":"fa73878d11eca41c5c99ecc18594a13086d06043a35c3bce050eb676b976afb5"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"M8B/rJux0iwPyeBpkAHzpK8q7CN2d0RQCZHYYkRcjXzr/7+l2syJsRP6G4FU3IZkaQD2B1TPj/jG1tghUsxRDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T18:20:48.657744Z","bundle_sha256":"003bcf54adaa06d64a1f49234adde34b45ee81f7d92d705486d8b2e4307ad512"}}