{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2008:LNNHRD5UIIAXJJN5H5AF4TWGHY","short_pith_number":"pith:LNNHRD5U","canonical_record":{"source":{"id":"0809.2296","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2008-09-12T22:17:32Z","cross_cats_sorted":["hep-ex","hep-ph","nucl-ex"],"title_canon_sha256":"cc396b130051e170e22147f3c57fb3ab7b7e750ae38be564a57570207437dbba","abstract_canon_sha256":"2433022c1ee0d8c526abc8b1b139b09c147de280d3a0a04ef632a4d2a44c3102"},"schema_version":"1.0"},"canonical_sha256":"5b5a788fb4420174a5bd3f405e4ec63e09f0857b0de855b1e6d67012a10fa598","source":{"kind":"arxiv","id":"0809.2296","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0809.2296","created_at":"2026-05-18T00:31:36Z"},{"alias_kind":"arxiv_version","alias_value":"0809.2296v1","created_at":"2026-05-18T00:31:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0809.2296","created_at":"2026-05-18T00:31:36Z"},{"alias_kind":"pith_short_12","alias_value":"LNNHRD5UIIAX","created_at":"2026-05-18T12:25:57Z"},{"alias_kind":"pith_short_16","alias_value":"LNNHRD5UIIAXJJN5","created_at":"2026-05-18T12:25:57Z"},{"alias_kind":"pith_short_8","alias_value":"LNNHRD5U","created_at":"2026-05-18T12:25:57Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2008:LNNHRD5UIIAXJJN5H5AF4TWGHY","target":"record","payload":{"canonical_record":{"source":{"id":"0809.2296","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2008-09-12T22:17:32Z","cross_cats_sorted":["hep-ex","hep-ph","nucl-ex"],"title_canon_sha256":"cc396b130051e170e22147f3c57fb3ab7b7e750ae38be564a57570207437dbba","abstract_canon_sha256":"2433022c1ee0d8c526abc8b1b139b09c147de280d3a0a04ef632a4d2a44c3102"},"schema_version":"1.0"},"canonical_sha256":"5b5a788fb4420174a5bd3f405e4ec63e09f0857b0de855b1e6d67012a10fa598","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:31:36.690993Z","signature_b64":"31+zYefEf3KBsUJ7a3XNRKARqx9sMaV9c4FuxCjOKunws87MqjO3VfLfeox8gBZ82CxNilI6LqjNk2lyyb02AQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5b5a788fb4420174a5bd3f405e4ec63e09f0857b0de855b1e6d67012a10fa598","last_reissued_at":"2026-05-18T00:31:36.690063Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:31:36.690063Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0809.2296","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":"2026-05-18T00:31:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"N//DmOjOSrcSiDZrBlk57DtJ/2/qE0b66+JQ8SmD1Wej5HBGEmbeT9ou7LNRELHI5PI9qe+FTZY6MkTenGivDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T16:13:13.483982Z"},"content_sha256":"3eb1f2b37cc2499937d696fd1e5f3c7c21dbb79189f56e904186cbf95ad9ff70","schema_version":"1.0","event_id":"sha256:3eb1f2b37cc2499937d696fd1e5f3c7c21dbb79189f56e904186cbf95ad9ff70"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2008:LNNHRD5UIIAXJJN5H5AF4TWGHY","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Recent developments in the constituent quark model including quark-antiquark pairs","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex","hep-ph","nucl-ex"],"primary_cat":"nucl-th","authors_text":"E. Santopinto, R. Bijker","submitted_at":"2008-09-12T22:17:32Z","abstract_excerpt":"We present the formalism for a new generation of unquenched quark models for baryons in which the effects of quark-antiquark pairs (u anti-u, d anti-d and s anti-s) are taken into account in an explicit form via a microscopic, QCD-inspired, quark-antiquark creation mechaniscm. The present approach is an extension of the flux-tube breaking model of Geiger and Isgur in which now the contributions of quark-antiquark pairs an be studied for any initial baryon and for any flavor of the q anti-q pair. It is shown that the inclusion of q anti-q paris leads to a large contribution of orbital angular m"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0809.2296","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":"2026-05-18T00:31:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"v9GOCd92PGJ6IN04Fxv9dqm8uszDuDbQCuubmuGlW0za10oIiS+gEcAmGZ1eQWZib2oKOHapI+EKBQZJyRoQDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T16:13:13.484818Z"},"content_sha256":"8adf9a6bb33aa922c36f29349f703c04fe86f8e46bbcfebb98588b719c06e70d","schema_version":"1.0","event_id":"sha256:8adf9a6bb33aa922c36f29349f703c04fe86f8e46bbcfebb98588b719c06e70d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LNNHRD5UIIAXJJN5H5AF4TWGHY/bundle.json","state_url":"https://pith.science/pith/LNNHRD5UIIAXJJN5H5AF4TWGHY/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LNNHRD5UIIAXJJN5H5AF4TWGHY/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":"2026-08-03T16:13:13Z","links":{"resolver":"https://pith.science/pith/LNNHRD5UIIAXJJN5H5AF4TWGHY","bundle":"https://pith.science/pith/LNNHRD5UIIAXJJN5H5AF4TWGHY/bundle.json","state":"https://pith.science/pith/LNNHRD5UIIAXJJN5H5AF4TWGHY/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LNNHRD5UIIAXJJN5H5AF4TWGHY/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2008:LNNHRD5UIIAXJJN5H5AF4TWGHY","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":"2433022c1ee0d8c526abc8b1b139b09c147de280d3a0a04ef632a4d2a44c3102","cross_cats_sorted":["hep-ex","hep-ph","nucl-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2008-09-12T22:17:32Z","title_canon_sha256":"cc396b130051e170e22147f3c57fb3ab7b7e750ae38be564a57570207437dbba"},"schema_version":"1.0","source":{"id":"0809.2296","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0809.2296","created_at":"2026-05-18T00:31:36Z"},{"alias_kind":"arxiv_version","alias_value":"0809.2296v1","created_at":"2026-05-18T00:31:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0809.2296","created_at":"2026-05-18T00:31:36Z"},{"alias_kind":"pith_short_12","alias_value":"LNNHRD5UIIAX","created_at":"2026-05-18T12:25:57Z"},{"alias_kind":"pith_short_16","alias_value":"LNNHRD5UIIAXJJN5","created_at":"2026-05-18T12:25:57Z"},{"alias_kind":"pith_short_8","alias_value":"LNNHRD5U","created_at":"2026-05-18T12:25:57Z"}],"graph_snapshots":[{"event_id":"sha256:8adf9a6bb33aa922c36f29349f703c04fe86f8e46bbcfebb98588b719c06e70d","target":"graph","created_at":"2026-05-18T00:31:36Z","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 the formalism for a new generation of unquenched quark models for baryons in which the effects of quark-antiquark pairs (u anti-u, d anti-d and s anti-s) are taken into account in an explicit form via a microscopic, QCD-inspired, quark-antiquark creation mechaniscm. The present approach is an extension of the flux-tube breaking model of Geiger and Isgur in which now the contributions of quark-antiquark pairs an be studied for any initial baryon and for any flavor of the q anti-q pair. It is shown that the inclusion of q anti-q paris leads to a large contribution of orbital angular m","authors_text":"E. Santopinto, R. Bijker","cross_cats":["hep-ex","hep-ph","nucl-ex"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2008-09-12T22:17:32Z","title":"Recent developments in the constituent quark model including quark-antiquark pairs"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0809.2296","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":"sha256:3eb1f2b37cc2499937d696fd1e5f3c7c21dbb79189f56e904186cbf95ad9ff70","target":"record","created_at":"2026-05-18T00:31:36Z","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":"2433022c1ee0d8c526abc8b1b139b09c147de280d3a0a04ef632a4d2a44c3102","cross_cats_sorted":["hep-ex","hep-ph","nucl-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2008-09-12T22:17:32Z","title_canon_sha256":"cc396b130051e170e22147f3c57fb3ab7b7e750ae38be564a57570207437dbba"},"schema_version":"1.0","source":{"id":"0809.2296","kind":"arxiv","version":1}},"canonical_sha256":"5b5a788fb4420174a5bd3f405e4ec63e09f0857b0de855b1e6d67012a10fa598","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5b5a788fb4420174a5bd3f405e4ec63e09f0857b0de855b1e6d67012a10fa598","first_computed_at":"2026-05-18T00:31:36.690063Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:31:36.690063Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"31+zYefEf3KBsUJ7a3XNRKARqx9sMaV9c4FuxCjOKunws87MqjO3VfLfeox8gBZ82CxNilI6LqjNk2lyyb02AQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:31:36.690993Z","signed_message":"canonical_sha256_bytes"},"source_id":"0809.2296","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3eb1f2b37cc2499937d696fd1e5f3c7c21dbb79189f56e904186cbf95ad9ff70","sha256:8adf9a6bb33aa922c36f29349f703c04fe86f8e46bbcfebb98588b719c06e70d"],"state_sha256":"3148691dd4bfd9e5bee8244780a9efaa4d196da7dd6b3a52647094df014b70d6"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nWBQxmmKssPKxNh2qNocekFqS5LTnplJSCf3tW65HGl6M46tn8O/L/G4MsIzXPYD1+Ib4ibfd/wHNAg8rezaBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-03T16:13:13.494308Z","bundle_sha256":"36c24b54c2b762169de87d476e136181e5236282f30d2f4c42f5132c96534023"}}