{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:Y7A7DPEK52WS5XACONRDHLMUWG","short_pith_number":"pith:Y7A7DPEK","canonical_record":{"source":{"id":"1811.05921","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2018-11-14T17:41:36Z","cross_cats_sorted":["hep-ph","physics.ins-det"],"title_canon_sha256":"ea0f8a830f612a0c27497cd3021e4d71763d7a9eddeb046fd2eb190e16223891","abstract_canon_sha256":"4f5c9f2f70261918a527aab3ecec46063880fdbff3d30f9f9faa440943d44357"},"schema_version":"1.0"},"canonical_sha256":"c7c1f1bc8aeead2edc02736233ad94b1ae4a65cdff51e6968d2efc6f592547ce","source":{"kind":"arxiv","id":"1811.05921","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1811.05921","created_at":"2026-07-05T00:54:44Z"},{"alias_kind":"arxiv_version","alias_value":"1811.05921v1","created_at":"2026-07-05T00:54:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1811.05921","created_at":"2026-07-05T00:54:44Z"},{"alias_kind":"pith_short_12","alias_value":"Y7A7DPEK52WS","created_at":"2026-07-05T00:54:44Z"},{"alias_kind":"pith_short_16","alias_value":"Y7A7DPEK52WS5XAC","created_at":"2026-07-05T00:54:44Z"},{"alias_kind":"pith_short_8","alias_value":"Y7A7DPEK","created_at":"2026-07-05T00:54:44Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:Y7A7DPEK52WS5XACONRDHLMUWG","target":"record","payload":{"canonical_record":{"source":{"id":"1811.05921","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2018-11-14T17:41:36Z","cross_cats_sorted":["hep-ph","physics.ins-det"],"title_canon_sha256":"ea0f8a830f612a0c27497cd3021e4d71763d7a9eddeb046fd2eb190e16223891","abstract_canon_sha256":"4f5c9f2f70261918a527aab3ecec46063880fdbff3d30f9f9faa440943d44357"},"schema_version":"1.0"},"canonical_sha256":"c7c1f1bc8aeead2edc02736233ad94b1ae4a65cdff51e6968d2efc6f592547ce","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:54:44.495485Z","signature_b64":"qFOs7uXWlTU3QZ3ySo+ZnwJp/IW+8ZK0mFGvQuAUVC8JsfXaPtqIhPjuEwGmgyUHjcs1jLRJaiTY0wxHeMHuCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c7c1f1bc8aeead2edc02736233ad94b1ae4a65cdff51e6968d2efc6f592547ce","last_reissued_at":"2026-07-05T00:54:44.495075Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:54:44.495075Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1811.05921","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":"2026-07-05T00:54:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KyUDbIVxRWLOWluyWfysq4oxSBudhYWxO98vrwjhIHoERlT6m6jilGz1gwM+LOPbGrQV7GXkuXJZD2+IEAX/Cw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T14:05:39.441650Z"},"content_sha256":"4bb8e1ce772998bdce7ab45e91bb0d5c386b69e128624cd4267d3c5f6d80d22c","schema_version":"1.0","event_id":"sha256:4bb8e1ce772998bdce7ab45e91bb0d5c386b69e128624cd4267d3c5f6d80d22c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:Y7A7DPEK52WS5XACONRDHLMUWG","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The quest for $\\mu \\to e \\gamma$: present and future","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ph","physics.ins-det"],"primary_cat":"hep-ex","authors_text":"Francesco Renga (for the MEG Collaboration)","submitted_at":"2018-11-14T17:41:36Z","abstract_excerpt":"The quest for $\\mu \\to e \\gamma$ is one of the most important endeavors to search for New Physics beyond the Standard Model. In this talk I will review the current status of the experimental searches by the MEG Collaboration at PSI. I will also present a study of the experimental limiting factors that will define the ultimate performances, and hence the sensitivity, in the search for $\\mu \\to e \\gamma$ with continuous muon beams of extremely high rate (one or even two orders of magnitude larger than the present beams), whose construction is under consideration for the next decade."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1811.05921","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/1811.05921/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T00:54:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4GrRusj72deOrX7RPDY9gz1yTImSx9sta41ldj5imbogyBxaTiIfyJzuiT4g5eEQps3rqQDR0csFxX8Q7E51Cw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T14:05:39.442145Z"},"content_sha256":"457aaaa2f60d5c973b969ce73aa48d01bd70f1dcd28095de74a58b9e33414c7a","schema_version":"1.0","event_id":"sha256:457aaaa2f60d5c973b969ce73aa48d01bd70f1dcd28095de74a58b9e33414c7a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/Y7A7DPEK52WS5XACONRDHLMUWG/bundle.json","state_url":"https://pith.science/pith/Y7A7DPEK52WS5XACONRDHLMUWG/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/Y7A7DPEK52WS5XACONRDHLMUWG/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":"2026-08-04T14:05:39Z","links":{"resolver":"https://pith.science/pith/Y7A7DPEK52WS5XACONRDHLMUWG","bundle":"https://pith.science/pith/Y7A7DPEK52WS5XACONRDHLMUWG/bundle.json","state":"https://pith.science/pith/Y7A7DPEK52WS5XACONRDHLMUWG/state.json","well_known_bundle":"https://pith.science/.well-known/pith/Y7A7DPEK52WS5XACONRDHLMUWG/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:Y7A7DPEK52WS5XACONRDHLMUWG","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":"4f5c9f2f70261918a527aab3ecec46063880fdbff3d30f9f9faa440943d44357","cross_cats_sorted":["hep-ph","physics.ins-det"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2018-11-14T17:41:36Z","title_canon_sha256":"ea0f8a830f612a0c27497cd3021e4d71763d7a9eddeb046fd2eb190e16223891"},"schema_version":"1.0","source":{"id":"1811.05921","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1811.05921","created_at":"2026-07-05T00:54:44Z"},{"alias_kind":"arxiv_version","alias_value":"1811.05921v1","created_at":"2026-07-05T00:54:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1811.05921","created_at":"2026-07-05T00:54:44Z"},{"alias_kind":"pith_short_12","alias_value":"Y7A7DPEK52WS","created_at":"2026-07-05T00:54:44Z"},{"alias_kind":"pith_short_16","alias_value":"Y7A7DPEK52WS5XAC","created_at":"2026-07-05T00:54:44Z"},{"alias_kind":"pith_short_8","alias_value":"Y7A7DPEK","created_at":"2026-07-05T00:54:44Z"}],"graph_snapshots":[{"event_id":"sha256:457aaaa2f60d5c973b969ce73aa48d01bd70f1dcd28095de74a58b9e33414c7a","target":"graph","created_at":"2026-07-05T00:54:44Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/1811.05921/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The quest for $\\mu \\to e \\gamma$ is one of the most important endeavors to search for New Physics beyond the Standard Model. In this talk I will review the current status of the experimental searches by the MEG Collaboration at PSI. I will also present a study of the experimental limiting factors that will define the ultimate performances, and hence the sensitivity, in the search for $\\mu \\to e \\gamma$ with continuous muon beams of extremely high rate (one or even two orders of magnitude larger than the present beams), whose construction is under consideration for the next decade.","authors_text":"Francesco Renga (for the MEG Collaboration)","cross_cats":["hep-ph","physics.ins-det"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2018-11-14T17:41:36Z","title":"The quest for $\\mu \\to e \\gamma$: present and future"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1811.05921","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":"sha256:4bb8e1ce772998bdce7ab45e91bb0d5c386b69e128624cd4267d3c5f6d80d22c","target":"record","created_at":"2026-07-05T00:54:44Z","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":"4f5c9f2f70261918a527aab3ecec46063880fdbff3d30f9f9faa440943d44357","cross_cats_sorted":["hep-ph","physics.ins-det"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2018-11-14T17:41:36Z","title_canon_sha256":"ea0f8a830f612a0c27497cd3021e4d71763d7a9eddeb046fd2eb190e16223891"},"schema_version":"1.0","source":{"id":"1811.05921","kind":"arxiv","version":1}},"canonical_sha256":"c7c1f1bc8aeead2edc02736233ad94b1ae4a65cdff51e6968d2efc6f592547ce","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c7c1f1bc8aeead2edc02736233ad94b1ae4a65cdff51e6968d2efc6f592547ce","first_computed_at":"2026-07-05T00:54:44.495075Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:54:44.495075Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"qFOs7uXWlTU3QZ3ySo+ZnwJp/IW+8ZK0mFGvQuAUVC8JsfXaPtqIhPjuEwGmgyUHjcs1jLRJaiTY0wxHeMHuCQ==","signature_status":"signed_v1","signed_at":"2026-07-05T00:54:44.495485Z","signed_message":"canonical_sha256_bytes"},"source_id":"1811.05921","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4bb8e1ce772998bdce7ab45e91bb0d5c386b69e128624cd4267d3c5f6d80d22c","sha256:457aaaa2f60d5c973b969ce73aa48d01bd70f1dcd28095de74a58b9e33414c7a"],"state_sha256":"08495eabbae389634941adfd9a9b7f34d3678fae72f9ba29158681e6701f10d0"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7yI8qJGEkgudZXP2YXQ1edFLWj0hUxM6/lDA4panyPhnEbAbZT4F5885gSj6A1N9+vGbiz7Ad5zg7xwl53fcDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-04T14:05:39.468514Z","bundle_sha256":"0cb43bb5a71be0dd5e4e2c9c80eb7cd3795b9167edb59d59dfafeae35f9f7e30"}}