{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:MZQPD5FVTDIG7CIYQQTINCV25Z","short_pith_number":"pith:MZQPD5FV","canonical_record":{"source":{"id":"2405.09926","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2024-05-16T09:29:41Z","cross_cats_sorted":[],"title_canon_sha256":"20681fd938308a6c80a6fa984737aa861f896b1cb1a6f8368dc5546f55588582","abstract_canon_sha256":"6289d147b6c3d7903338c396e2c56ca1cfea654d6436b03c54c93ec889c30763"},"schema_version":"1.0"},"canonical_sha256":"6660f1f4b598d06f89188426868abaee58b23ed5c8369124147c32fbba63957f","source":{"kind":"arxiv","id":"2405.09926","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2405.09926","created_at":"2026-07-05T08:19:50Z"},{"alias_kind":"arxiv_version","alias_value":"2405.09926v1","created_at":"2026-07-05T08:19:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2405.09926","created_at":"2026-07-05T08:19:50Z"},{"alias_kind":"pith_short_12","alias_value":"MZQPD5FVTDIG","created_at":"2026-07-05T08:19:50Z"},{"alias_kind":"pith_short_16","alias_value":"MZQPD5FVTDIG7CIY","created_at":"2026-07-05T08:19:50Z"},{"alias_kind":"pith_short_8","alias_value":"MZQPD5FV","created_at":"2026-07-05T08:19:50Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:MZQPD5FVTDIG7CIYQQTINCV25Z","target":"record","payload":{"canonical_record":{"source":{"id":"2405.09926","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2024-05-16T09:29:41Z","cross_cats_sorted":[],"title_canon_sha256":"20681fd938308a6c80a6fa984737aa861f896b1cb1a6f8368dc5546f55588582","abstract_canon_sha256":"6289d147b6c3d7903338c396e2c56ca1cfea654d6436b03c54c93ec889c30763"},"schema_version":"1.0"},"canonical_sha256":"6660f1f4b598d06f89188426868abaee58b23ed5c8369124147c32fbba63957f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:19:50.703488Z","signature_b64":"4YPsgFAwOgTiBdX7z2v/jPOPxK1jQNeeoUGzrIo7+h5FUOsdWza00RZL6nKINxNHqvZ051kwSLDji5pbFmC2AA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6660f1f4b598d06f89188426868abaee58b23ed5c8369124147c32fbba63957f","last_reissued_at":"2026-07-05T08:19:50.703063Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:19:50.703063Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2405.09926","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":"2026-07-05T08:19:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OOeCzkqWFdIr6J2KWQPYGKVhwKFauBc3KNAER2kG4cJ+P9BVkcg2pirr50DDW7tBTPRrhKScKPHbYMA3Oj8aCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-13T12:18:23.239931Z"},"content_sha256":"219971d839c381f96d6c106d1cefbde77255e57e236def4e6420483815d8c61f","schema_version":"1.0","event_id":"sha256:219971d839c381f96d6c106d1cefbde77255e57e236def4e6420483815d8c61f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:MZQPD5FVTDIG7CIYQQTINCV25Z","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Twenty years of $\\Theta^+$","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Michal Praszalowicz","submitted_at":"2024-05-16T09:29:41Z","abstract_excerpt":"Twenty years ago, in 2003, two experimental groups, LEPS and DIANA, announced the discovery of a light, narrow, exotic baryon with mass within the range of 1540 MeV, which was later dubbed as $\\Theta^+$. In this talk we recall the history of this discovery and its theoretical foundations. We also discuss possible future experiments that could determine the existence of $\\Theta^+$."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2405.09926","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/2405.09926/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":"2026-07-05T08:19:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OfnWVoXaDMPhpVc8ZP0V15YbfsMRkcQThb2PEwZNYHpLWK7op2Zp1TTeoU0FF/dYwhxoY77HIKv4wDdnkijBAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-13T12:18:23.240820Z"},"content_sha256":"e4ce8413263c1349a57720a0fb663f95dbd5bb87226ce59e12c048a9ac21244b","schema_version":"1.0","event_id":"sha256:e4ce8413263c1349a57720a0fb663f95dbd5bb87226ce59e12c048a9ac21244b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MZQPD5FVTDIG7CIYQQTINCV25Z/bundle.json","state_url":"https://pith.science/pith/MZQPD5FVTDIG7CIYQQTINCV25Z/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MZQPD5FVTDIG7CIYQQTINCV25Z/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":"2026-08-13T12:18:23Z","links":{"resolver":"https://pith.science/pith/MZQPD5FVTDIG7CIYQQTINCV25Z","bundle":"https://pith.science/pith/MZQPD5FVTDIG7CIYQQTINCV25Z/bundle.json","state":"https://pith.science/pith/MZQPD5FVTDIG7CIYQQTINCV25Z/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MZQPD5FVTDIG7CIYQQTINCV25Z/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:MZQPD5FVTDIG7CIYQQTINCV25Z","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":"6289d147b6c3d7903338c396e2c56ca1cfea654d6436b03c54c93ec889c30763","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2024-05-16T09:29:41Z","title_canon_sha256":"20681fd938308a6c80a6fa984737aa861f896b1cb1a6f8368dc5546f55588582"},"schema_version":"1.0","source":{"id":"2405.09926","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2405.09926","created_at":"2026-07-05T08:19:50Z"},{"alias_kind":"arxiv_version","alias_value":"2405.09926v1","created_at":"2026-07-05T08:19:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2405.09926","created_at":"2026-07-05T08:19:50Z"},{"alias_kind":"pith_short_12","alias_value":"MZQPD5FVTDIG","created_at":"2026-07-05T08:19:50Z"},{"alias_kind":"pith_short_16","alias_value":"MZQPD5FVTDIG7CIY","created_at":"2026-07-05T08:19:50Z"},{"alias_kind":"pith_short_8","alias_value":"MZQPD5FV","created_at":"2026-07-05T08:19:50Z"}],"graph_snapshots":[{"event_id":"sha256:e4ce8413263c1349a57720a0fb663f95dbd5bb87226ce59e12c048a9ac21244b","target":"graph","created_at":"2026-07-05T08:19:50Z","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/2405.09926/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Twenty years ago, in 2003, two experimental groups, LEPS and DIANA, announced the discovery of a light, narrow, exotic baryon with mass within the range of 1540 MeV, which was later dubbed as $\\Theta^+$. In this talk we recall the history of this discovery and its theoretical foundations. We also discuss possible future experiments that could determine the existence of $\\Theta^+$.","authors_text":"Michal Praszalowicz","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2024-05-16T09:29:41Z","title":"Twenty years of $\\Theta^+$"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2405.09926","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":"sha256:219971d839c381f96d6c106d1cefbde77255e57e236def4e6420483815d8c61f","target":"record","created_at":"2026-07-05T08:19:50Z","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":"6289d147b6c3d7903338c396e2c56ca1cfea654d6436b03c54c93ec889c30763","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2024-05-16T09:29:41Z","title_canon_sha256":"20681fd938308a6c80a6fa984737aa861f896b1cb1a6f8368dc5546f55588582"},"schema_version":"1.0","source":{"id":"2405.09926","kind":"arxiv","version":1}},"canonical_sha256":"6660f1f4b598d06f89188426868abaee58b23ed5c8369124147c32fbba63957f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6660f1f4b598d06f89188426868abaee58b23ed5c8369124147c32fbba63957f","first_computed_at":"2026-07-05T08:19:50.703063Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T08:19:50.703063Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"4YPsgFAwOgTiBdX7z2v/jPOPxK1jQNeeoUGzrIo7+h5FUOsdWza00RZL6nKINxNHqvZ051kwSLDji5pbFmC2AA==","signature_status":"signed_v1","signed_at":"2026-07-05T08:19:50.703488Z","signed_message":"canonical_sha256_bytes"},"source_id":"2405.09926","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:219971d839c381f96d6c106d1cefbde77255e57e236def4e6420483815d8c61f","sha256:e4ce8413263c1349a57720a0fb663f95dbd5bb87226ce59e12c048a9ac21244b"],"state_sha256":"9c8033975b1ff4d44db3fd3c7fd80b94e5cc903f7a0d16ed1f4b0c4d536c9708"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YTmMa7B3rrmge3+4an2vcMrdMDFdSEQlwUn/oPvZwCqnGIo4BL8maXpA9ArQNwD2MgifNMTHPlAzr8g6ggynDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-13T12:18:23.249600Z","bundle_sha256":"71791332f84235bc236e2f0696108da21ddf5b53f14571baa83e20d093d13f72"}}