{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2009:SGTMRCMHQJNZQKOL3ZQKW35GRO","short_pith_number":"pith:SGTMRCMH","canonical_record":{"source":{"id":"0912.1434","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2009-12-08T08:55:18Z","cross_cats_sorted":[],"title_canon_sha256":"5a61d605b62d6c82ffd55f251872370e75a89ccdb7deb408527e50630108f567","abstract_canon_sha256":"b5123d50125b1c903afbbf710826504c2f1e40c0d7e68ac2e0bd3298e10c5911"},"schema_version":"1.0"},"canonical_sha256":"91a6c88987825b9829cbde60ab6fa68bbfb77a69e6d65ce11cade05add29caab","source":{"kind":"arxiv","id":"0912.1434","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0912.1434","created_at":"2026-05-18T03:48:01Z"},{"alias_kind":"arxiv_version","alias_value":"0912.1434v1","created_at":"2026-05-18T03:48:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0912.1434","created_at":"2026-05-18T03:48:01Z"},{"alias_kind":"pith_short_12","alias_value":"SGTMRCMHQJNZ","created_at":"2026-05-18T12:26:01Z"},{"alias_kind":"pith_short_16","alias_value":"SGTMRCMHQJNZQKOL","created_at":"2026-05-18T12:26:01Z"},{"alias_kind":"pith_short_8","alias_value":"SGTMRCMH","created_at":"2026-05-18T12:26:01Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2009:SGTMRCMHQJNZQKOL3ZQKW35GRO","target":"record","payload":{"canonical_record":{"source":{"id":"0912.1434","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2009-12-08T08:55:18Z","cross_cats_sorted":[],"title_canon_sha256":"5a61d605b62d6c82ffd55f251872370e75a89ccdb7deb408527e50630108f567","abstract_canon_sha256":"b5123d50125b1c903afbbf710826504c2f1e40c0d7e68ac2e0bd3298e10c5911"},"schema_version":"1.0"},"canonical_sha256":"91a6c88987825b9829cbde60ab6fa68bbfb77a69e6d65ce11cade05add29caab","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:48:01.797687Z","signature_b64":"/gbn2cJiMyeHCMf1raDONIGZMHPznDhP0K200AzanPYppmBXT2o6YtFoUfJ/F2APXIGbb7H1uv+cVbVph5maBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"91a6c88987825b9829cbde60ab6fa68bbfb77a69e6d65ce11cade05add29caab","last_reissued_at":"2026-05-18T03:48:01.797271Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:48:01.797271Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0912.1434","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":"2026-05-18T03:48:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"v5VJxQpuoYH0PySwUN1jaQ0bUr5VQfB2/1vw4AJB4UgyujWDwN8PVsca7WI8L2DDHMEssAe+6bsxKx0wDNAqCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T02:23:43.584565Z"},"content_sha256":"f342b892b39e3d51c51afe588d044d142755e90cd1699107b9928e865e5ab84f","schema_version":"1.0","event_id":"sha256:f342b892b39e3d51c51afe588d044d142755e90cd1699107b9928e865e5ab84f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2009:SGTMRCMHQJNZQKOL3ZQKW35GRO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Observation of the decay $B_s^0\\to J/\\psi\\eta$ and Evidence for $B_s^0\\to J/\\psi\\eta'$","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ex","authors_text":"The Belle Collaboration","submitted_at":"2009-12-08T08:55:18Z","abstract_excerpt":"We report the first observation of $B_s^0\\to J/\\psi\\eta$ and evidence for $B_s^0\\to J/\\psi\\eta'$. These results are obtained from $23.6 \\mathrm{fb}^{-1}$ of data collected at the $\\Upsilon(5S)$ resonance with the Belle detector at the KEKB $e^+e^-$ collider. We measure the branching fractions $\\mathcal{B}(B_s^0\\to J/\\psi\\eta)= (3.32 \\pm 0.87(\\mathrm{stat.})^{+0.32}_{-0.28}(\\mathrm{syst.}) \\pm 0.42(f_s))\\times 10^{-4}}$ with a significance of $7.3 \\sigma$, and $\\mathcal{B}(B_s^0\\to J/\\psi\\eta')= (3.1 \\pm 1.2(\\mathrm{stat.})^{+0.5}_{-0.6}(\\mathrm{syst.}) \\pm 0.38(f_s))\\times 10^{-4}$ with a sign"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0912.1434","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":"2026-05-18T03:48:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tb/tLRJiPaT4vgh3Q2AYHbI7/fB4xyOAZuWROGOn9FZptsAiFYc01S/xnZqeP30oEy6twG4z+WnctgLcUIlEDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T02:23:43.585193Z"},"content_sha256":"dd36ba9cd18d6ca56541f9f84ead6d355662d988de15943cc4b8f15f9a1c3966","schema_version":"1.0","event_id":"sha256:dd36ba9cd18d6ca56541f9f84ead6d355662d988de15943cc4b8f15f9a1c3966"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/SGTMRCMHQJNZQKOL3ZQKW35GRO/bundle.json","state_url":"https://pith.science/pith/SGTMRCMHQJNZQKOL3ZQKW35GRO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/SGTMRCMHQJNZQKOL3ZQKW35GRO/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":"2026-06-09T02:23:43Z","links":{"resolver":"https://pith.science/pith/SGTMRCMHQJNZQKOL3ZQKW35GRO","bundle":"https://pith.science/pith/SGTMRCMHQJNZQKOL3ZQKW35GRO/bundle.json","state":"https://pith.science/pith/SGTMRCMHQJNZQKOL3ZQKW35GRO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/SGTMRCMHQJNZQKOL3ZQKW35GRO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:SGTMRCMHQJNZQKOL3ZQKW35GRO","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":"b5123d50125b1c903afbbf710826504c2f1e40c0d7e68ac2e0bd3298e10c5911","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2009-12-08T08:55:18Z","title_canon_sha256":"5a61d605b62d6c82ffd55f251872370e75a89ccdb7deb408527e50630108f567"},"schema_version":"1.0","source":{"id":"0912.1434","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0912.1434","created_at":"2026-05-18T03:48:01Z"},{"alias_kind":"arxiv_version","alias_value":"0912.1434v1","created_at":"2026-05-18T03:48:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0912.1434","created_at":"2026-05-18T03:48:01Z"},{"alias_kind":"pith_short_12","alias_value":"SGTMRCMHQJNZ","created_at":"2026-05-18T12:26:01Z"},{"alias_kind":"pith_short_16","alias_value":"SGTMRCMHQJNZQKOL","created_at":"2026-05-18T12:26:01Z"},{"alias_kind":"pith_short_8","alias_value":"SGTMRCMH","created_at":"2026-05-18T12:26:01Z"}],"graph_snapshots":[{"event_id":"sha256:dd36ba9cd18d6ca56541f9f84ead6d355662d988de15943cc4b8f15f9a1c3966","target":"graph","created_at":"2026-05-18T03:48:01Z","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":"We report the first observation of $B_s^0\\to J/\\psi\\eta$ and evidence for $B_s^0\\to J/\\psi\\eta'$. These results are obtained from $23.6 \\mathrm{fb}^{-1}$ of data collected at the $\\Upsilon(5S)$ resonance with the Belle detector at the KEKB $e^+e^-$ collider. We measure the branching fractions $\\mathcal{B}(B_s^0\\to J/\\psi\\eta)= (3.32 \\pm 0.87(\\mathrm{stat.})^{+0.32}_{-0.28}(\\mathrm{syst.}) \\pm 0.42(f_s))\\times 10^{-4}}$ with a significance of $7.3 \\sigma$, and $\\mathcal{B}(B_s^0\\to J/\\psi\\eta')= (3.1 \\pm 1.2(\\mathrm{stat.})^{+0.5}_{-0.6}(\\mathrm{syst.}) \\pm 0.38(f_s))\\times 10^{-4}$ with a sign","authors_text":"The Belle Collaboration","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2009-12-08T08:55:18Z","title":"Observation of the decay $B_s^0\\to J/\\psi\\eta$ and Evidence for $B_s^0\\to J/\\psi\\eta'$"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0912.1434","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:f342b892b39e3d51c51afe588d044d142755e90cd1699107b9928e865e5ab84f","target":"record","created_at":"2026-05-18T03:48:01Z","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":"b5123d50125b1c903afbbf710826504c2f1e40c0d7e68ac2e0bd3298e10c5911","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2009-12-08T08:55:18Z","title_canon_sha256":"5a61d605b62d6c82ffd55f251872370e75a89ccdb7deb408527e50630108f567"},"schema_version":"1.0","source":{"id":"0912.1434","kind":"arxiv","version":1}},"canonical_sha256":"91a6c88987825b9829cbde60ab6fa68bbfb77a69e6d65ce11cade05add29caab","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"91a6c88987825b9829cbde60ab6fa68bbfb77a69e6d65ce11cade05add29caab","first_computed_at":"2026-05-18T03:48:01.797271Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:48:01.797271Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"/gbn2cJiMyeHCMf1raDONIGZMHPznDhP0K200AzanPYppmBXT2o6YtFoUfJ/F2APXIGbb7H1uv+cVbVph5maBA==","signature_status":"signed_v1","signed_at":"2026-05-18T03:48:01.797687Z","signed_message":"canonical_sha256_bytes"},"source_id":"0912.1434","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f342b892b39e3d51c51afe588d044d142755e90cd1699107b9928e865e5ab84f","sha256:dd36ba9cd18d6ca56541f9f84ead6d355662d988de15943cc4b8f15f9a1c3966"],"state_sha256":"713f1a7d497a8f159965b65ab128e588b7d5535d3a120a0004e277584c4bc6b0"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"K4LJ4MDNrbOZafzI9yLOm7bxStRrc4ThZVLEFUFEh+SxZLn7Cq+mdhwdzwDOgbV1t+0SuxB6AZNvxBPFHFZWCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-09T02:23:43.588784Z","bundle_sha256":"ba8d399e35774366191a0a3ab64e742c51e57ad2ea3982aaf1f00bf0f8e044f8"}}