{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:N2OROGQDY6USRGM44AWO54ZA5I","short_pith_number":"pith:N2OROGQD","canonical_record":{"source":{"id":"1810.00233","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2018-09-29T17:01:16Z","cross_cats_sorted":["hep-ex"],"title_canon_sha256":"2c4a3416026407b484d13c8406472284bdc59528cd2618d561ef2559e9370a90","abstract_canon_sha256":"4da98abff32d24c53454c7ea1cb2388e411194e2c5586bbc46e52d9580545c4f"},"schema_version":"1.0"},"canonical_sha256":"6e9d171a03c7a928999ce02ceef320ea3bb5b04a1e7d4d78a801737fe10cfd08","source":{"kind":"arxiv","id":"1810.00233","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1810.00233","created_at":"2026-05-17T23:53:26Z"},{"alias_kind":"arxiv_version","alias_value":"1810.00233v1","created_at":"2026-05-17T23:53:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.00233","created_at":"2026-05-17T23:53:26Z"},{"alias_kind":"pith_short_12","alias_value":"N2OROGQDY6US","created_at":"2026-05-18T12:32:40Z"},{"alias_kind":"pith_short_16","alias_value":"N2OROGQDY6USRGM4","created_at":"2026-05-18T12:32:40Z"},{"alias_kind":"pith_short_8","alias_value":"N2OROGQD","created_at":"2026-05-18T12:32:40Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:N2OROGQDY6USRGM44AWO54ZA5I","target":"record","payload":{"canonical_record":{"source":{"id":"1810.00233","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2018-09-29T17:01:16Z","cross_cats_sorted":["hep-ex"],"title_canon_sha256":"2c4a3416026407b484d13c8406472284bdc59528cd2618d561ef2559e9370a90","abstract_canon_sha256":"4da98abff32d24c53454c7ea1cb2388e411194e2c5586bbc46e52d9580545c4f"},"schema_version":"1.0"},"canonical_sha256":"6e9d171a03c7a928999ce02ceef320ea3bb5b04a1e7d4d78a801737fe10cfd08","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:53:26.508230Z","signature_b64":"xd4TA79Yq4/MUrdevB4zABYKzjL3OV+fL0f5nx1xULvIv/HEinq+IuNta+NY3kyPJfRU53QlVo8WKEAZi5HVAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6e9d171a03c7a928999ce02ceef320ea3bb5b04a1e7d4d78a801737fe10cfd08","last_reissued_at":"2026-05-17T23:53:26.507561Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:53:26.507561Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1810.00233","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":"2026-05-17T23:53:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8aTP34kMDlLGSPvDX6hmfVnrsaVVMePIknJprxP5iD3fxAt611fb7PSnACqYKdmzi2pqRC8M2v23ON61+e9GDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T13:18:16.191297Z"},"content_sha256":"ee06d3487b17b0e22f4b12b2a63f3de14a4ab1fd86c08716552697e4a7191c20","schema_version":"1.0","event_id":"sha256:ee06d3487b17b0e22f4b12b2a63f3de14a4ab1fd86c08716552697e4a7191c20"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:N2OROGQDY6USRGM44AWO54ZA5I","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Scouring meson decays for true muonium","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex"],"primary_cat":"hep-ph","authors_text":"Henry Lamm, Yao Ji","submitted_at":"2018-09-29T17:01:16Z","abstract_excerpt":"Rare meson decay experiments promise to measure branching ratios as small as $10^{-13}$. This presents an opportunity to discover the $\\mu^+\\mu^-$ bound state true muonium. We consider a set of possible channels, all with branching ratios above $\\sim10^{-11}$. For the electromagnetic decays $\\eta/\\eta'\\rightarrow(\\mu^+\\mu^-)\\gamma$, theoretical and phenomenological form factors $F_{\\eta/\\eta'\\gamma\\gamma^*}(Q^2)$ allow predictions of $\\mathcal{BR}(\\eta'\\rightarrow (\\mu^+\\mu^-) \\gamma)\\sim 4.8\\times10^{-10}$ and $\\mathcal{BR}(\\eta'\\rightarrow (\\mu^+\\mu^-) \\gamma)\\sim 3.7\\times10^{-11}$ at the 5"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.00233","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":"2026-05-17T23:53:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qkMA6Ua+CwBsmMYhjTOqjQbCVwNxwfXgQmANUlBN5q3h1XWyXJQywDlMf3T5pUNr5qEVsLLhAyu/0cGyKKMLCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T13:18:16.191667Z"},"content_sha256":"f807e7dbb58ff5ecccfdcf5eddc432a474575874259164a48c5bde464551c809","schema_version":"1.0","event_id":"sha256:f807e7dbb58ff5ecccfdcf5eddc432a474575874259164a48c5bde464551c809"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/N2OROGQDY6USRGM44AWO54ZA5I/bundle.json","state_url":"https://pith.science/pith/N2OROGQDY6USRGM44AWO54ZA5I/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/N2OROGQDY6USRGM44AWO54ZA5I/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":"2026-06-02T13:18:16Z","links":{"resolver":"https://pith.science/pith/N2OROGQDY6USRGM44AWO54ZA5I","bundle":"https://pith.science/pith/N2OROGQDY6USRGM44AWO54ZA5I/bundle.json","state":"https://pith.science/pith/N2OROGQDY6USRGM44AWO54ZA5I/state.json","well_known_bundle":"https://pith.science/.well-known/pith/N2OROGQDY6USRGM44AWO54ZA5I/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:N2OROGQDY6USRGM44AWO54ZA5I","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":"4da98abff32d24c53454c7ea1cb2388e411194e2c5586bbc46e52d9580545c4f","cross_cats_sorted":["hep-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2018-09-29T17:01:16Z","title_canon_sha256":"2c4a3416026407b484d13c8406472284bdc59528cd2618d561ef2559e9370a90"},"schema_version":"1.0","source":{"id":"1810.00233","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1810.00233","created_at":"2026-05-17T23:53:26Z"},{"alias_kind":"arxiv_version","alias_value":"1810.00233v1","created_at":"2026-05-17T23:53:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.00233","created_at":"2026-05-17T23:53:26Z"},{"alias_kind":"pith_short_12","alias_value":"N2OROGQDY6US","created_at":"2026-05-18T12:32:40Z"},{"alias_kind":"pith_short_16","alias_value":"N2OROGQDY6USRGM4","created_at":"2026-05-18T12:32:40Z"},{"alias_kind":"pith_short_8","alias_value":"N2OROGQD","created_at":"2026-05-18T12:32:40Z"}],"graph_snapshots":[{"event_id":"sha256:f807e7dbb58ff5ecccfdcf5eddc432a474575874259164a48c5bde464551c809","target":"graph","created_at":"2026-05-17T23:53:26Z","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":"Rare meson decay experiments promise to measure branching ratios as small as $10^{-13}$. This presents an opportunity to discover the $\\mu^+\\mu^-$ bound state true muonium. We consider a set of possible channels, all with branching ratios above $\\sim10^{-11}$. For the electromagnetic decays $\\eta/\\eta'\\rightarrow(\\mu^+\\mu^-)\\gamma$, theoretical and phenomenological form factors $F_{\\eta/\\eta'\\gamma\\gamma^*}(Q^2)$ allow predictions of $\\mathcal{BR}(\\eta'\\rightarrow (\\mu^+\\mu^-) \\gamma)\\sim 4.8\\times10^{-10}$ and $\\mathcal{BR}(\\eta'\\rightarrow (\\mu^+\\mu^-) \\gamma)\\sim 3.7\\times10^{-11}$ at the 5","authors_text":"Henry Lamm, Yao Ji","cross_cats":["hep-ex"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2018-09-29T17:01:16Z","title":"Scouring meson decays for true muonium"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.00233","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:ee06d3487b17b0e22f4b12b2a63f3de14a4ab1fd86c08716552697e4a7191c20","target":"record","created_at":"2026-05-17T23:53:26Z","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":"4da98abff32d24c53454c7ea1cb2388e411194e2c5586bbc46e52d9580545c4f","cross_cats_sorted":["hep-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2018-09-29T17:01:16Z","title_canon_sha256":"2c4a3416026407b484d13c8406472284bdc59528cd2618d561ef2559e9370a90"},"schema_version":"1.0","source":{"id":"1810.00233","kind":"arxiv","version":1}},"canonical_sha256":"6e9d171a03c7a928999ce02ceef320ea3bb5b04a1e7d4d78a801737fe10cfd08","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6e9d171a03c7a928999ce02ceef320ea3bb5b04a1e7d4d78a801737fe10cfd08","first_computed_at":"2026-05-17T23:53:26.507561Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:53:26.507561Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"xd4TA79Yq4/MUrdevB4zABYKzjL3OV+fL0f5nx1xULvIv/HEinq+IuNta+NY3kyPJfRU53QlVo8WKEAZi5HVAA==","signature_status":"signed_v1","signed_at":"2026-05-17T23:53:26.508230Z","signed_message":"canonical_sha256_bytes"},"source_id":"1810.00233","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ee06d3487b17b0e22f4b12b2a63f3de14a4ab1fd86c08716552697e4a7191c20","sha256:f807e7dbb58ff5ecccfdcf5eddc432a474575874259164a48c5bde464551c809"],"state_sha256":"5be42d2885db632c1cb2a349fb64e1ed553bc524befeab1ea3d4584087ce3f37"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"z1YlDtNHlo9M0VRrQ1mO+MsskyzsvQzeJEAn2d2QiSULkTjHr1ceph5PIvb5mhdfdKyWawKj5gIlMxUqGthgBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T13:18:16.193621Z","bundle_sha256":"79239f8123dd53d5dd59e4fa51a7b4a87d19baa13144db8df013ca8b4c2e967e"}}