{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2003:DO3ENRWECPXVQD7E7YNUU57VN4","short_pith_number":"pith:DO3ENRWE","canonical_record":{"source":{"id":"hep-ex/0311046","kind":"arxiv","version":3},"metadata":{"license":"","primary_cat":"hep-ex","submitted_at":"2003-11-21T23:47:00Z","cross_cats_sorted":["nucl-ex"],"title_canon_sha256":"2c4da8f751b674077c6e454ebd37f9116150dc23072325c28b310998c15f7277","abstract_canon_sha256":"a6fffb819624289df6dc1f4424f888dad0c68a5ae6a9ea040de4d879a806f33b"},"schema_version":"1.0"},"canonical_sha256":"1bb646c6c413ef580fe4fe1b4a77f56f008801e6b0fbd011da8b3db4adfcc5c2","source":{"kind":"arxiv","id":"hep-ex/0311046","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-ex/0311046","created_at":"2026-07-04T23:54:18Z"},{"alias_kind":"arxiv_version","alias_value":"hep-ex/0311046v3","created_at":"2026-07-04T23:54:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ex/0311046","created_at":"2026-07-04T23:54:18Z"},{"alias_kind":"pith_short_12","alias_value":"DO3ENRWECPXV","created_at":"2026-07-04T23:54:18Z"},{"alias_kind":"pith_short_16","alias_value":"DO3ENRWECPXVQD7E","created_at":"2026-07-04T23:54:18Z"},{"alias_kind":"pith_short_8","alias_value":"DO3ENRWE","created_at":"2026-07-04T23:54:18Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2003:DO3ENRWECPXVQD7E7YNUU57VN4","target":"record","payload":{"canonical_record":{"source":{"id":"hep-ex/0311046","kind":"arxiv","version":3},"metadata":{"license":"","primary_cat":"hep-ex","submitted_at":"2003-11-21T23:47:00Z","cross_cats_sorted":["nucl-ex"],"title_canon_sha256":"2c4da8f751b674077c6e454ebd37f9116150dc23072325c28b310998c15f7277","abstract_canon_sha256":"a6fffb819624289df6dc1f4424f888dad0c68a5ae6a9ea040de4d879a806f33b"},"schema_version":"1.0"},"canonical_sha256":"1bb646c6c413ef580fe4fe1b4a77f56f008801e6b0fbd011da8b3db4adfcc5c2","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T23:54:18.947302Z","signature_b64":"xRNvDJKBzKj/wdzxdofUuccfX5AfOHKOFapIqkm+jFzkOmYU2CDb5XdxlVyF4jzP/IrqEd5xCDH2afPDolAUDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1bb646c6c413ef580fe4fe1b4a77f56f008801e6b0fbd011da8b3db4adfcc5c2","last_reissued_at":"2026-07-04T23:54:18.946881Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T23:54:18.946881Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"hep-ex/0311046","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-04T23:54:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nkMHk9Pe2HtkeqFjiV5al3Xh5mlaG4xGXXP/rbWGK87K5lPt2TDMXpb0tSkX13rTHOdMGG4KBHDM6ndhtFklAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-13T11:36:27.560148Z"},"content_sha256":"c21e92e06dca7e97ed445b9611cff0959a1c113b4aec35a307e17114d3351c35","schema_version":"1.0","event_id":"sha256:c21e92e06dca7e97ed445b9611cff0959a1c113b4aec35a307e17114d3351c35"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2003:DO3ENRWECPXVQD7E7YNUU57VN4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Observation of an Exotic Baryon with S=+1 in Photoproduction from the Proton","license":"","headline":"","cross_cats":["nucl-ex"],"primary_cat":"hep-ex","authors_text":"et al (for the CLAS Collaboration), V. Kubarovsky","submitted_at":"2003-11-21T23:47:00Z","abstract_excerpt":"The reaction $\\gamma p \\to \\pi^+K^-K^+n$ was studied at Jefferson Lab using a tagged photon beam with an energy range of 3-5.47 GeV. A narrow baryon state with strangeness S=+1 and mass $M=1555\\pm 10$ MeV/c$^2$ was observed in the $nK^+$ invariant mass spectrum. The peak's width is consistent with the CLAS resolution (FWHM=26 MeV/c$^2$), and its statistical significance is 7.8 $\\pm$ 1.0 ~$\\sigma$. A baryon with positive strangeness has exotic structure and cannot be described in the framework of the naive constituent quark model. The mass of the observed state is consistent with the mass predi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ex/0311046","kind":"arxiv","version":3},"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/hep-ex/0311046/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":"2026-07-04T23:54:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0ofNorVcCewKIek2Ow0uZ1uSFc77JhxDwEWYe+ZxEK4EAncAOG6P7LNweDTnw9zf5AcTuBBFkCvYZo6MOhj7BA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-13T11:36:27.560662Z"},"content_sha256":"fa439ddc4950757e752d5fb811918f8379deaa86abd2f664b65de03aa1e58b0e","schema_version":"1.0","event_id":"sha256:fa439ddc4950757e752d5fb811918f8379deaa86abd2f664b65de03aa1e58b0e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DO3ENRWECPXVQD7E7YNUU57VN4/bundle.json","state_url":"https://pith.science/pith/DO3ENRWECPXVQD7E7YNUU57VN4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DO3ENRWECPXVQD7E7YNUU57VN4/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":"2026-08-13T11:36:27Z","links":{"resolver":"https://pith.science/pith/DO3ENRWECPXVQD7E7YNUU57VN4","bundle":"https://pith.science/pith/DO3ENRWECPXVQD7E7YNUU57VN4/bundle.json","state":"https://pith.science/pith/DO3ENRWECPXVQD7E7YNUU57VN4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DO3ENRWECPXVQD7E7YNUU57VN4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2003:DO3ENRWECPXVQD7E7YNUU57VN4","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":"a6fffb819624289df6dc1f4424f888dad0c68a5ae6a9ea040de4d879a806f33b","cross_cats_sorted":["nucl-ex"],"license":"","primary_cat":"hep-ex","submitted_at":"2003-11-21T23:47:00Z","title_canon_sha256":"2c4da8f751b674077c6e454ebd37f9116150dc23072325c28b310998c15f7277"},"schema_version":"1.0","source":{"id":"hep-ex/0311046","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-ex/0311046","created_at":"2026-07-04T23:54:18Z"},{"alias_kind":"arxiv_version","alias_value":"hep-ex/0311046v3","created_at":"2026-07-04T23:54:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ex/0311046","created_at":"2026-07-04T23:54:18Z"},{"alias_kind":"pith_short_12","alias_value":"DO3ENRWECPXV","created_at":"2026-07-04T23:54:18Z"},{"alias_kind":"pith_short_16","alias_value":"DO3ENRWECPXVQD7E","created_at":"2026-07-04T23:54:18Z"},{"alias_kind":"pith_short_8","alias_value":"DO3ENRWE","created_at":"2026-07-04T23:54:18Z"}],"graph_snapshots":[{"event_id":"sha256:fa439ddc4950757e752d5fb811918f8379deaa86abd2f664b65de03aa1e58b0e","target":"graph","created_at":"2026-07-04T23:54:18Z","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/hep-ex/0311046/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The reaction $\\gamma p \\to \\pi^+K^-K^+n$ was studied at Jefferson Lab using a tagged photon beam with an energy range of 3-5.47 GeV. A narrow baryon state with strangeness S=+1 and mass $M=1555\\pm 10$ MeV/c$^2$ was observed in the $nK^+$ invariant mass spectrum. The peak's width is consistent with the CLAS resolution (FWHM=26 MeV/c$^2$), and its statistical significance is 7.8 $\\pm$ 1.0 ~$\\sigma$. A baryon with positive strangeness has exotic structure and cannot be described in the framework of the naive constituent quark model. The mass of the observed state is consistent with the mass predi","authors_text":"et al (for the CLAS Collaboration), V. Kubarovsky","cross_cats":["nucl-ex"],"headline":"","license":"","primary_cat":"hep-ex","submitted_at":"2003-11-21T23:47:00Z","title":"Observation of an Exotic Baryon with S=+1 in Photoproduction from the Proton"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ex/0311046","kind":"arxiv","version":3},"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:c21e92e06dca7e97ed445b9611cff0959a1c113b4aec35a307e17114d3351c35","target":"record","created_at":"2026-07-04T23:54:18Z","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":"a6fffb819624289df6dc1f4424f888dad0c68a5ae6a9ea040de4d879a806f33b","cross_cats_sorted":["nucl-ex"],"license":"","primary_cat":"hep-ex","submitted_at":"2003-11-21T23:47:00Z","title_canon_sha256":"2c4da8f751b674077c6e454ebd37f9116150dc23072325c28b310998c15f7277"},"schema_version":"1.0","source":{"id":"hep-ex/0311046","kind":"arxiv","version":3}},"canonical_sha256":"1bb646c6c413ef580fe4fe1b4a77f56f008801e6b0fbd011da8b3db4adfcc5c2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1bb646c6c413ef580fe4fe1b4a77f56f008801e6b0fbd011da8b3db4adfcc5c2","first_computed_at":"2026-07-04T23:54:18.946881Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T23:54:18.946881Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"xRNvDJKBzKj/wdzxdofUuccfX5AfOHKOFapIqkm+jFzkOmYU2CDb5XdxlVyF4jzP/IrqEd5xCDH2afPDolAUDQ==","signature_status":"signed_v1","signed_at":"2026-07-04T23:54:18.947302Z","signed_message":"canonical_sha256_bytes"},"source_id":"hep-ex/0311046","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c21e92e06dca7e97ed445b9611cff0959a1c113b4aec35a307e17114d3351c35","sha256:fa439ddc4950757e752d5fb811918f8379deaa86abd2f664b65de03aa1e58b0e"],"state_sha256":"dcc040fa4d303af724be3690c82142d15d9306fa8b7af96beeae1e42f4da1292"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bV9MXug4qAUwrezvJPrWUMa7BsN4HxyAZV23Pa5NEqP8mKKzhXk08K5B8VMOVW/jMMPV3PUZ9H31tsc1mkgCDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-13T11:36:27.564658Z","bundle_sha256":"7eb98c7275ac3b83e2dfb65ce86a906a8558adbcaf7d58389b8ac642904b6063"}}