{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:6AW5SC5GYLKQR7JUMV725G5Z4G","short_pith_number":"pith:6AW5SC5G","canonical_record":{"source":{"id":"1207.6621","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.acc-ph","submitted_at":"2012-07-27T19:34:35Z","cross_cats_sorted":[],"title_canon_sha256":"48bf3bc72726688ac18d24d24c85ed3b9d9f26cd3baca8d9d5827f576eaad1e5","abstract_canon_sha256":"54977e4b7e4dd94385e4cc81064dcbca6f9cf0a283220da3504dee73b2ce7142"},"schema_version":"1.0"},"canonical_sha256":"f02dd90ba6c2d508fd34657fae9bb9e18b74cdc5f97d8a27daad3602eb0896f6","source":{"kind":"arxiv","id":"1207.6621","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1207.6621","created_at":"2026-05-18T03:49:58Z"},{"alias_kind":"arxiv_version","alias_value":"1207.6621v1","created_at":"2026-05-18T03:49:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1207.6621","created_at":"2026-05-18T03:49:58Z"},{"alias_kind":"pith_short_12","alias_value":"6AW5SC5GYLKQ","created_at":"2026-05-18T12:26:56Z"},{"alias_kind":"pith_short_16","alias_value":"6AW5SC5GYLKQR7JU","created_at":"2026-05-18T12:26:56Z"},{"alias_kind":"pith_short_8","alias_value":"6AW5SC5G","created_at":"2026-05-18T12:26:56Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:6AW5SC5GYLKQR7JUMV725G5Z4G","target":"record","payload":{"canonical_record":{"source":{"id":"1207.6621","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.acc-ph","submitted_at":"2012-07-27T19:34:35Z","cross_cats_sorted":[],"title_canon_sha256":"48bf3bc72726688ac18d24d24c85ed3b9d9f26cd3baca8d9d5827f576eaad1e5","abstract_canon_sha256":"54977e4b7e4dd94385e4cc81064dcbca6f9cf0a283220da3504dee73b2ce7142"},"schema_version":"1.0"},"canonical_sha256":"f02dd90ba6c2d508fd34657fae9bb9e18b74cdc5f97d8a27daad3602eb0896f6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:49:58.961482Z","signature_b64":"Lof/9kJzfDxRQ1gJk3dRauijhX9XEOp+ONsfrPDSH15Vys4Eq77qy/1BqUycRF9JR668MCQ6uBQra09U2UzBAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f02dd90ba6c2d508fd34657fae9bb9e18b74cdc5f97d8a27daad3602eb0896f6","last_reissued_at":"2026-05-18T03:49:58.960972Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:49:58.960972Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1207.6621","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":"2026-05-18T03:49:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pQpHsM6z3VTz/zBkTcVpy1pFRG9NEHOWlEQGQlvRMUetjj5xsYQBaWmCjhVmcJY3+6szFEQgNLqLNvkY9AGiDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T22:04:03.261128Z"},"content_sha256":"ec697bba692e6d7335a49d96617f64bcb44e25d74d7293f1746c9b5d420f5113","schema_version":"1.0","event_id":"sha256:ec697bba692e6d7335a49d96617f64bcb44e25d74d7293f1746c9b5d420f5113"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:6AW5SC5GYLKQR7JUMV725G5Z4G","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Third interger resonance slow extraction scheme for a mu->e experiment at Fermilab","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.acc-ph","authors_text":"C.S. Park, J. Amundson, J. Johnstone, L. Michelotti, M. Syphers (Michigan State U.), S. Werkema (Fermilab), V. Nagaslaev","submitted_at":"2012-07-27T19:34:35Z","abstract_excerpt":"The current design of beam preparation for a proposed mu->e conversion experiment at Fermilab is based on slow resonant extraction of protons from the Debuncher. The Debuncher ring will have to operate with beam intensities of 3 x 10**12 particles, approximately four orders of magnitude larger than its current value. The most challenging requirements on the beam quality are the spill uniformity and low losses in the presence of large space charge and momentum spread. We present results from simulations of third integer resonance extraction assisted by RF knock-out (RFKO), a technique developed"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1207.6621","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":"2026-05-18T03:49:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MNsEqkWEm8uSOMB1qHmg1biiZhYJYzvmas99qHpe2Ae+7gCTSOe+QjwxUwGBPG2jPE1x5GxSP2+pDUIYJXBCDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T22:04:03.261821Z"},"content_sha256":"671330adb463e3093968b37f1b892fd4ac46067c88c067cd1659fdd665d18581","schema_version":"1.0","event_id":"sha256:671330adb463e3093968b37f1b892fd4ac46067c88c067cd1659fdd665d18581"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6AW5SC5GYLKQR7JUMV725G5Z4G/bundle.json","state_url":"https://pith.science/pith/6AW5SC5GYLKQR7JUMV725G5Z4G/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6AW5SC5GYLKQR7JUMV725G5Z4G/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":"2026-05-28T22:04:03Z","links":{"resolver":"https://pith.science/pith/6AW5SC5GYLKQR7JUMV725G5Z4G","bundle":"https://pith.science/pith/6AW5SC5GYLKQR7JUMV725G5Z4G/bundle.json","state":"https://pith.science/pith/6AW5SC5GYLKQR7JUMV725G5Z4G/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6AW5SC5GYLKQR7JUMV725G5Z4G/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:6AW5SC5GYLKQR7JUMV725G5Z4G","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":"54977e4b7e4dd94385e4cc81064dcbca6f9cf0a283220da3504dee73b2ce7142","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.acc-ph","submitted_at":"2012-07-27T19:34:35Z","title_canon_sha256":"48bf3bc72726688ac18d24d24c85ed3b9d9f26cd3baca8d9d5827f576eaad1e5"},"schema_version":"1.0","source":{"id":"1207.6621","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1207.6621","created_at":"2026-05-18T03:49:58Z"},{"alias_kind":"arxiv_version","alias_value":"1207.6621v1","created_at":"2026-05-18T03:49:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1207.6621","created_at":"2026-05-18T03:49:58Z"},{"alias_kind":"pith_short_12","alias_value":"6AW5SC5GYLKQ","created_at":"2026-05-18T12:26:56Z"},{"alias_kind":"pith_short_16","alias_value":"6AW5SC5GYLKQR7JU","created_at":"2026-05-18T12:26:56Z"},{"alias_kind":"pith_short_8","alias_value":"6AW5SC5G","created_at":"2026-05-18T12:26:56Z"}],"graph_snapshots":[{"event_id":"sha256:671330adb463e3093968b37f1b892fd4ac46067c88c067cd1659fdd665d18581","target":"graph","created_at":"2026-05-18T03:49:58Z","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":"The current design of beam preparation for a proposed mu->e conversion experiment at Fermilab is based on slow resonant extraction of protons from the Debuncher. The Debuncher ring will have to operate with beam intensities of 3 x 10**12 particles, approximately four orders of magnitude larger than its current value. The most challenging requirements on the beam quality are the spill uniformity and low losses in the presence of large space charge and momentum spread. We present results from simulations of third integer resonance extraction assisted by RF knock-out (RFKO), a technique developed","authors_text":"C.S. Park, J. Amundson, J. Johnstone, L. Michelotti, M. Syphers (Michigan State U.), S. Werkema (Fermilab), V. Nagaslaev","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.acc-ph","submitted_at":"2012-07-27T19:34:35Z","title":"Third interger resonance slow extraction scheme for a mu->e experiment at Fermilab"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1207.6621","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:ec697bba692e6d7335a49d96617f64bcb44e25d74d7293f1746c9b5d420f5113","target":"record","created_at":"2026-05-18T03:49:58Z","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":"54977e4b7e4dd94385e4cc81064dcbca6f9cf0a283220da3504dee73b2ce7142","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.acc-ph","submitted_at":"2012-07-27T19:34:35Z","title_canon_sha256":"48bf3bc72726688ac18d24d24c85ed3b9d9f26cd3baca8d9d5827f576eaad1e5"},"schema_version":"1.0","source":{"id":"1207.6621","kind":"arxiv","version":1}},"canonical_sha256":"f02dd90ba6c2d508fd34657fae9bb9e18b74cdc5f97d8a27daad3602eb0896f6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f02dd90ba6c2d508fd34657fae9bb9e18b74cdc5f97d8a27daad3602eb0896f6","first_computed_at":"2026-05-18T03:49:58.960972Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:49:58.960972Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Lof/9kJzfDxRQ1gJk3dRauijhX9XEOp+ONsfrPDSH15Vys4Eq77qy/1BqUycRF9JR668MCQ6uBQra09U2UzBAw==","signature_status":"signed_v1","signed_at":"2026-05-18T03:49:58.961482Z","signed_message":"canonical_sha256_bytes"},"source_id":"1207.6621","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ec697bba692e6d7335a49d96617f64bcb44e25d74d7293f1746c9b5d420f5113","sha256:671330adb463e3093968b37f1b892fd4ac46067c88c067cd1659fdd665d18581"],"state_sha256":"71cd2e3e3cf29b5ea694c8813fd76cd8f29c3a414e2838f1d9a0197a093cead7"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Vagmcm9OQlhaEjITwR8RbCfZ4RtrXUciKUzskVSDU+nb8LnoVQfV4vOjHXmXLvUjnamZgecQp2lWXCudwMLfCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T22:04:03.265577Z","bundle_sha256":"4d481d4ca6d9784886e08b545a2e02f7cd8984483927c10d8a780d7bf5ffba9c"}}