{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:CWMMC5Z2CS3JLBBQDDOFVUQUBH","short_pith_number":"pith:CWMMC5Z2","canonical_record":{"source":{"id":"1012.4627","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2010-12-21T12:23:42Z","cross_cats_sorted":["nucl-th"],"title_canon_sha256":"6743f9a2b5b6eeb0698049aae6e3aa90951fa4f179b715cd25320bcc7e1b1abf","abstract_canon_sha256":"7640a3c2ba5a724bf2d06378dceb40633468015c2a8acbbca91243f303a9808e"},"schema_version":"1.0"},"canonical_sha256":"1598c1773a14b695843018dc5ad21409c8848b9dfd615210ab8f2c049d38b4da","source":{"kind":"arxiv","id":"1012.4627","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1012.4627","created_at":"2026-05-18T04:14:47Z"},{"alias_kind":"arxiv_version","alias_value":"1012.4627v1","created_at":"2026-05-18T04:14:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1012.4627","created_at":"2026-05-18T04:14:47Z"},{"alias_kind":"pith_short_12","alias_value":"CWMMC5Z2CS3J","created_at":"2026-05-18T12:26:06Z"},{"alias_kind":"pith_short_16","alias_value":"CWMMC5Z2CS3JLBBQ","created_at":"2026-05-18T12:26:06Z"},{"alias_kind":"pith_short_8","alias_value":"CWMMC5Z2","created_at":"2026-05-18T12:26:06Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:CWMMC5Z2CS3JLBBQDDOFVUQUBH","target":"record","payload":{"canonical_record":{"source":{"id":"1012.4627","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2010-12-21T12:23:42Z","cross_cats_sorted":["nucl-th"],"title_canon_sha256":"6743f9a2b5b6eeb0698049aae6e3aa90951fa4f179b715cd25320bcc7e1b1abf","abstract_canon_sha256":"7640a3c2ba5a724bf2d06378dceb40633468015c2a8acbbca91243f303a9808e"},"schema_version":"1.0"},"canonical_sha256":"1598c1773a14b695843018dc5ad21409c8848b9dfd615210ab8f2c049d38b4da","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:14:47.323660Z","signature_b64":"fjiKtrmZ87TIQJuNmrJvvWRYlH0d/1kMqC17sbpgiSGMx0/VjK2jXIx24EmAsWvn5T3L5L6iFSgGAd4BAsSbBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1598c1773a14b695843018dc5ad21409c8848b9dfd615210ab8f2c049d38b4da","last_reissued_at":"2026-05-18T04:14:47.323159Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:14:47.323159Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1012.4627","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":"2026-05-18T04:14:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1cL6wrY020Iiwpu7YAOMl6lMiyq+J4EsefXamx4gwRTxkvRS0mxO2KtfXgkwwWUFHwxBkEihH4d8ekuC9GSmCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-11T17:37:30.798686Z"},"content_sha256":"3b45cb391033fea77596bdd3f9653fb823e27703c80dd15bb2afecb12c7bb2b8","schema_version":"1.0","event_id":"sha256:3b45cb391033fea77596bdd3f9653fb823e27703c80dd15bb2afecb12c7bb2b8"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:CWMMC5Z2CS3JLBBQDDOFVUQUBH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Doubly Charmed Mesons","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["nucl-th"],"primary_cat":"hep-ph","authors_text":"A. Valcarce, J. Vijande, T.F. Caram\\'es","submitted_at":"2010-12-21T12:23:42Z","abstract_excerpt":"Doubly charmed mesons are studied within a quark model framework. We solve the four-quark Schor\\\"dinger equation by means of a variational approach by using different interacting potentials. Our results point to the existence of a stable isoscalar doubly charmed four-quark meson with quantum numbers $J^P=1^+$."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1012.4627","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":"2026-05-18T04:14:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0m4op+/fdHuV9j9P/bflbbfRwefPDExndnJdW/Wr/6E2IMawBGDihVbeA+fINL1OPshmDOVIR0KVoNDgH1kZBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-11T17:37:30.799102Z"},"content_sha256":"5cb70224cb9a33d490d6cf0e199e84344a2e8c7227d1348a2677311c9727e6cf","schema_version":"1.0","event_id":"sha256:5cb70224cb9a33d490d6cf0e199e84344a2e8c7227d1348a2677311c9727e6cf"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CWMMC5Z2CS3JLBBQDDOFVUQUBH/bundle.json","state_url":"https://pith.science/pith/CWMMC5Z2CS3JLBBQDDOFVUQUBH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CWMMC5Z2CS3JLBBQDDOFVUQUBH/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":"2026-06-11T17:37:30Z","links":{"resolver":"https://pith.science/pith/CWMMC5Z2CS3JLBBQDDOFVUQUBH","bundle":"https://pith.science/pith/CWMMC5Z2CS3JLBBQDDOFVUQUBH/bundle.json","state":"https://pith.science/pith/CWMMC5Z2CS3JLBBQDDOFVUQUBH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CWMMC5Z2CS3JLBBQDDOFVUQUBH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:CWMMC5Z2CS3JLBBQDDOFVUQUBH","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":"7640a3c2ba5a724bf2d06378dceb40633468015c2a8acbbca91243f303a9808e","cross_cats_sorted":["nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2010-12-21T12:23:42Z","title_canon_sha256":"6743f9a2b5b6eeb0698049aae6e3aa90951fa4f179b715cd25320bcc7e1b1abf"},"schema_version":"1.0","source":{"id":"1012.4627","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1012.4627","created_at":"2026-05-18T04:14:47Z"},{"alias_kind":"arxiv_version","alias_value":"1012.4627v1","created_at":"2026-05-18T04:14:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1012.4627","created_at":"2026-05-18T04:14:47Z"},{"alias_kind":"pith_short_12","alias_value":"CWMMC5Z2CS3J","created_at":"2026-05-18T12:26:06Z"},{"alias_kind":"pith_short_16","alias_value":"CWMMC5Z2CS3JLBBQ","created_at":"2026-05-18T12:26:06Z"},{"alias_kind":"pith_short_8","alias_value":"CWMMC5Z2","created_at":"2026-05-18T12:26:06Z"}],"graph_snapshots":[{"event_id":"sha256:5cb70224cb9a33d490d6cf0e199e84344a2e8c7227d1348a2677311c9727e6cf","target":"graph","created_at":"2026-05-18T04:14:47Z","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":"Doubly charmed mesons are studied within a quark model framework. We solve the four-quark Schor\\\"dinger equation by means of a variational approach by using different interacting potentials. Our results point to the existence of a stable isoscalar doubly charmed four-quark meson with quantum numbers $J^P=1^+$.","authors_text":"A. Valcarce, J. Vijande, T.F. Caram\\'es","cross_cats":["nucl-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2010-12-21T12:23:42Z","title":"Doubly Charmed Mesons"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1012.4627","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":"sha256:3b45cb391033fea77596bdd3f9653fb823e27703c80dd15bb2afecb12c7bb2b8","target":"record","created_at":"2026-05-18T04:14:47Z","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":"7640a3c2ba5a724bf2d06378dceb40633468015c2a8acbbca91243f303a9808e","cross_cats_sorted":["nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2010-12-21T12:23:42Z","title_canon_sha256":"6743f9a2b5b6eeb0698049aae6e3aa90951fa4f179b715cd25320bcc7e1b1abf"},"schema_version":"1.0","source":{"id":"1012.4627","kind":"arxiv","version":1}},"canonical_sha256":"1598c1773a14b695843018dc5ad21409c8848b9dfd615210ab8f2c049d38b4da","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1598c1773a14b695843018dc5ad21409c8848b9dfd615210ab8f2c049d38b4da","first_computed_at":"2026-05-18T04:14:47.323159Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:14:47.323159Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"fjiKtrmZ87TIQJuNmrJvvWRYlH0d/1kMqC17sbpgiSGMx0/VjK2jXIx24EmAsWvn5T3L5L6iFSgGAd4BAsSbBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T04:14:47.323660Z","signed_message":"canonical_sha256_bytes"},"source_id":"1012.4627","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3b45cb391033fea77596bdd3f9653fb823e27703c80dd15bb2afecb12c7bb2b8","sha256:5cb70224cb9a33d490d6cf0e199e84344a2e8c7227d1348a2677311c9727e6cf"],"state_sha256":"11222a02f172a9aa605bbb2fbaa3243a0a87add113ac99b2d2d3d923013b81ef"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TYcfag+ftm2ZCcho/6hkfmBXyLw2urpwtynMXyS3S1TLgSjYzMhDmv6g1jM0YWE3eqCmu56lwrIhunnToCugAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-11T17:37:30.801428Z","bundle_sha256":"f91389080d2582cd0a536a370a8cb9e7a361f73d771bcff7d35acf5de3276561"}}