{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:ITXMRB5BQCML42OUT2OF5HUV27","short_pith_number":"pith:ITXMRB5B","canonical_record":{"source":{"id":"1605.04428","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2016-05-14T15:36:05Z","cross_cats_sorted":["nucl-th"],"title_canon_sha256":"52d0bd671065f508e3a565ab209996ec53882d4224f0bb06f07ad63f4375482c","abstract_canon_sha256":"19d203927aa5ec1ad5741a0697de5fa6740782e1259275eb2a36ddeadd3fcb57"},"schema_version":"1.0"},"canonical_sha256":"44eec887a18098be69d49e9c5e9e95d7eafd267b5941cfa78a7f431c8777d577","source":{"kind":"arxiv","id":"1605.04428","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1605.04428","created_at":"2026-05-18T01:14:51Z"},{"alias_kind":"arxiv_version","alias_value":"1605.04428v1","created_at":"2026-05-18T01:14:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1605.04428","created_at":"2026-05-18T01:14:51Z"},{"alias_kind":"pith_short_12","alias_value":"ITXMRB5BQCML","created_at":"2026-05-18T12:30:22Z"},{"alias_kind":"pith_short_16","alias_value":"ITXMRB5BQCML42OU","created_at":"2026-05-18T12:30:22Z"},{"alias_kind":"pith_short_8","alias_value":"ITXMRB5B","created_at":"2026-05-18T12:30:22Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:ITXMRB5BQCML42OUT2OF5HUV27","target":"record","payload":{"canonical_record":{"source":{"id":"1605.04428","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2016-05-14T15:36:05Z","cross_cats_sorted":["nucl-th"],"title_canon_sha256":"52d0bd671065f508e3a565ab209996ec53882d4224f0bb06f07ad63f4375482c","abstract_canon_sha256":"19d203927aa5ec1ad5741a0697de5fa6740782e1259275eb2a36ddeadd3fcb57"},"schema_version":"1.0"},"canonical_sha256":"44eec887a18098be69d49e9c5e9e95d7eafd267b5941cfa78a7f431c8777d577","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:14:51.684641Z","signature_b64":"WhCr6D+cFrrJ9wwZgVFI1YjiNvD5EA1SsZOa5tq0HiYuMV3eQQ93fRwCE3kzJ7sRmAwS8HGcASV9B6xhYonFBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"44eec887a18098be69d49e9c5e9e95d7eafd267b5941cfa78a7f431c8777d577","last_reissued_at":"2026-05-18T01:14:51.684080Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:14:51.684080Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1605.04428","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":"2026-05-18T01:14:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"e6JLMHkEi+yTAgURZa/VH25SawtFeBE1mhE6HewCICFQuckHIrB/VlI7T+CC3Gdmjv1n0TuGYiTLcFj4X+tqDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-11T19:36:33.443398Z"},"content_sha256":"6bf8bf63fd3ea3f130d61a9c1e695b3ba002390405e94f1828562a08810c046d","schema_version":"1.0","event_id":"sha256:6bf8bf63fd3ea3f130d61a9c1e695b3ba002390405e94f1828562a08810c046d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:ITXMRB5BQCML42OUT2OF5HUV27","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Hadronic resonances enhanced by thresholds","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["nucl-th"],"primary_cat":"hep-ph","authors_text":"A. Valcarce, T.F. Caram\\'es","submitted_at":"2016-05-14T15:36:05Z","abstract_excerpt":"We present a neat example of a meson--baryon system where the vicinity of two different thresholds enhances the binding of a hadronic resonance, a pentaquark. As a consequence the pattern of states may change when moving among different flavor sectors, what poses a warning on naive extrapolations to heavy flavor sectors based on systematic expansions. For this purpose we simultaneously analyze the $N\\bar D$ and $NB$ two-hadron systems looking for possible bound states or resonances. When a resonance is controlled by a coupled-channel effect, going to a different flavor sector may enhance or di"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1605.04428","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":"2026-05-18T01:14:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uqpBZeejsrOd8kiLwfzEGvX2Rt4F4u5q8xVGPPbU83njlLJgatLyaTF0CfVCIA6Be3fqbjf4ymWYRA21PYyvDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-11T19:36:33.444120Z"},"content_sha256":"bfd97e62c883a591aa6ec730efaa9cb0072f6f889fd40d1f909bbcb4e229a5eb","schema_version":"1.0","event_id":"sha256:bfd97e62c883a591aa6ec730efaa9cb0072f6f889fd40d1f909bbcb4e229a5eb"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ITXMRB5BQCML42OUT2OF5HUV27/bundle.json","state_url":"https://pith.science/pith/ITXMRB5BQCML42OUT2OF5HUV27/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ITXMRB5BQCML42OUT2OF5HUV27/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":"2026-06-11T19:36:33Z","links":{"resolver":"https://pith.science/pith/ITXMRB5BQCML42OUT2OF5HUV27","bundle":"https://pith.science/pith/ITXMRB5BQCML42OUT2OF5HUV27/bundle.json","state":"https://pith.science/pith/ITXMRB5BQCML42OUT2OF5HUV27/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ITXMRB5BQCML42OUT2OF5HUV27/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:ITXMRB5BQCML42OUT2OF5HUV27","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":"19d203927aa5ec1ad5741a0697de5fa6740782e1259275eb2a36ddeadd3fcb57","cross_cats_sorted":["nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2016-05-14T15:36:05Z","title_canon_sha256":"52d0bd671065f508e3a565ab209996ec53882d4224f0bb06f07ad63f4375482c"},"schema_version":"1.0","source":{"id":"1605.04428","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1605.04428","created_at":"2026-05-18T01:14:51Z"},{"alias_kind":"arxiv_version","alias_value":"1605.04428v1","created_at":"2026-05-18T01:14:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1605.04428","created_at":"2026-05-18T01:14:51Z"},{"alias_kind":"pith_short_12","alias_value":"ITXMRB5BQCML","created_at":"2026-05-18T12:30:22Z"},{"alias_kind":"pith_short_16","alias_value":"ITXMRB5BQCML42OU","created_at":"2026-05-18T12:30:22Z"},{"alias_kind":"pith_short_8","alias_value":"ITXMRB5B","created_at":"2026-05-18T12:30:22Z"}],"graph_snapshots":[{"event_id":"sha256:bfd97e62c883a591aa6ec730efaa9cb0072f6f889fd40d1f909bbcb4e229a5eb","target":"graph","created_at":"2026-05-18T01:14:51Z","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 present a neat example of a meson--baryon system where the vicinity of two different thresholds enhances the binding of a hadronic resonance, a pentaquark. As a consequence the pattern of states may change when moving among different flavor sectors, what poses a warning on naive extrapolations to heavy flavor sectors based on systematic expansions. For this purpose we simultaneously analyze the $N\\bar D$ and $NB$ two-hadron systems looking for possible bound states or resonances. When a resonance is controlled by a coupled-channel effect, going to a different flavor sector may enhance or di","authors_text":"A. Valcarce, T.F. Caram\\'es","cross_cats":["nucl-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2016-05-14T15:36:05Z","title":"Hadronic resonances enhanced by thresholds"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1605.04428","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":"sha256:6bf8bf63fd3ea3f130d61a9c1e695b3ba002390405e94f1828562a08810c046d","target":"record","created_at":"2026-05-18T01:14:51Z","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":"19d203927aa5ec1ad5741a0697de5fa6740782e1259275eb2a36ddeadd3fcb57","cross_cats_sorted":["nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2016-05-14T15:36:05Z","title_canon_sha256":"52d0bd671065f508e3a565ab209996ec53882d4224f0bb06f07ad63f4375482c"},"schema_version":"1.0","source":{"id":"1605.04428","kind":"arxiv","version":1}},"canonical_sha256":"44eec887a18098be69d49e9c5e9e95d7eafd267b5941cfa78a7f431c8777d577","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"44eec887a18098be69d49e9c5e9e95d7eafd267b5941cfa78a7f431c8777d577","first_computed_at":"2026-05-18T01:14:51.684080Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:14:51.684080Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"WhCr6D+cFrrJ9wwZgVFI1YjiNvD5EA1SsZOa5tq0HiYuMV3eQQ93fRwCE3kzJ7sRmAwS8HGcASV9B6xhYonFBA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:14:51.684641Z","signed_message":"canonical_sha256_bytes"},"source_id":"1605.04428","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6bf8bf63fd3ea3f130d61a9c1e695b3ba002390405e94f1828562a08810c046d","sha256:bfd97e62c883a591aa6ec730efaa9cb0072f6f889fd40d1f909bbcb4e229a5eb"],"state_sha256":"9135a19dda60d590421903084cf200624703d484212213a5d76eee9ecd4cf578"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tbzE75RdMAEHk9ZR/UOlJw3aP3z8pBE5DqhSmsFLvA0iQHZy9VBe0a/vv7IA1vFReKo/hkyvPuUDYk2ysgK5CA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-11T19:36:33.447787Z","bundle_sha256":"bbaadb9d153f71d00af09a8741f841f9872d91aead862eafa81ece9c6d396028"}}