{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:R2M36BRIC732C2RCASP7WCQGLH","short_pith_number":"pith:R2M36BRI","canonical_record":{"source":{"id":"1709.03306","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2017-09-11T09:26:49Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"aad5409c8ee9bfca7ec225ecc0283c9014e75229cdb6057b2d4cccc606cb2ba0","abstract_canon_sha256":"fccded392b96c6b22628121744dc321550841b01ae47903b0346481c815ff589"},"schema_version":"1.0"},"canonical_sha256":"8e99bf062817f7a16a22049ffb0a0659d3d51100048e9111c06f9d443959a297","source":{"kind":"arxiv","id":"1709.03306","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1709.03306","created_at":"2026-05-18T00:19:03Z"},{"alias_kind":"arxiv_version","alias_value":"1709.03306v1","created_at":"2026-05-18T00:19:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1709.03306","created_at":"2026-05-18T00:19:03Z"},{"alias_kind":"pith_short_12","alias_value":"R2M36BRIC732","created_at":"2026-05-18T12:31:39Z"},{"alias_kind":"pith_short_16","alias_value":"R2M36BRIC732C2RC","created_at":"2026-05-18T12:31:39Z"},{"alias_kind":"pith_short_8","alias_value":"R2M36BRI","created_at":"2026-05-18T12:31:39Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:R2M36BRIC732C2RCASP7WCQGLH","target":"record","payload":{"canonical_record":{"source":{"id":"1709.03306","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2017-09-11T09:26:49Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"aad5409c8ee9bfca7ec225ecc0283c9014e75229cdb6057b2d4cccc606cb2ba0","abstract_canon_sha256":"fccded392b96c6b22628121744dc321550841b01ae47903b0346481c815ff589"},"schema_version":"1.0"},"canonical_sha256":"8e99bf062817f7a16a22049ffb0a0659d3d51100048e9111c06f9d443959a297","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:19:03.588529Z","signature_b64":"gyUrGwy/etdzcuh99cjfmTI4HMVnEAcnKHGihsYpYGbJa/6y0pCWJLlIRD63LhGancBqtNTWPS2ChzMC3SL4BQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8e99bf062817f7a16a22049ffb0a0659d3d51100048e9111c06f9d443959a297","last_reissued_at":"2026-05-18T00:19:03.587836Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:19:03.587836Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1709.03306","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":"2026-05-18T00:19:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KJrmyEZiaheUIpRCAuZFcbYtuddydsPxO1fD5UH7iSE6TLGwgOD3AkegtSKWsaVFPZ3tREORkIiY1gGRPtEIBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T00:56:04.561075Z"},"content_sha256":"05bbb78344a704adafa9025b866f82c50cb4a041a021c7c7784c12629c5c2716","schema_version":"1.0","event_id":"sha256:05bbb78344a704adafa9025b866f82c50cb4a041a021c7c7784c12629c5c2716"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:R2M36BRIC732C2RCASP7WCQGLH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"$b\\bar b u\\bar d$ four-quark systems in the Born-Oppenheimer approximation: prospects and challenges","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ph"],"primary_cat":"hep-lat","authors_text":"Antje Peters, Marc Wagner, Pedro Bicudo","submitted_at":"2017-09-11T09:26:49Z","abstract_excerpt":"We summarize previous work on $\\bar b \\bar bud$ four-quark systems in the Born-Oppenheimer approximation and discuss first steps towards an extension to the theoretically more challenging $b\\bar b u\\bar d$ system. Strategies to identify a possibly existing $b\\bar b u\\bar d$ bound state are discussed and first numerical results are presented."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1709.03306","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":"2026-05-18T00:19:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jozRAgFzMjnKVRD6vz5lUhewEgr8NN1Vgsc4Y3vViJug6/ZoXLBXm9cLZ1eA0AiUaY9O+vtkUE2mX2JYvRjvAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T00:56:04.561437Z"},"content_sha256":"e8171093ab730a3416068553f6c0c2c80b55b3ea91a5fc8d5a1a7b157d9e7a13","schema_version":"1.0","event_id":"sha256:e8171093ab730a3416068553f6c0c2c80b55b3ea91a5fc8d5a1a7b157d9e7a13"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/R2M36BRIC732C2RCASP7WCQGLH/bundle.json","state_url":"https://pith.science/pith/R2M36BRIC732C2RCASP7WCQGLH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/R2M36BRIC732C2RCASP7WCQGLH/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":"2026-05-31T00:56:04Z","links":{"resolver":"https://pith.science/pith/R2M36BRIC732C2RCASP7WCQGLH","bundle":"https://pith.science/pith/R2M36BRIC732C2RCASP7WCQGLH/bundle.json","state":"https://pith.science/pith/R2M36BRIC732C2RCASP7WCQGLH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/R2M36BRIC732C2RCASP7WCQGLH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:R2M36BRIC732C2RCASP7WCQGLH","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":"fccded392b96c6b22628121744dc321550841b01ae47903b0346481c815ff589","cross_cats_sorted":["hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2017-09-11T09:26:49Z","title_canon_sha256":"aad5409c8ee9bfca7ec225ecc0283c9014e75229cdb6057b2d4cccc606cb2ba0"},"schema_version":"1.0","source":{"id":"1709.03306","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1709.03306","created_at":"2026-05-18T00:19:03Z"},{"alias_kind":"arxiv_version","alias_value":"1709.03306v1","created_at":"2026-05-18T00:19:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1709.03306","created_at":"2026-05-18T00:19:03Z"},{"alias_kind":"pith_short_12","alias_value":"R2M36BRIC732","created_at":"2026-05-18T12:31:39Z"},{"alias_kind":"pith_short_16","alias_value":"R2M36BRIC732C2RC","created_at":"2026-05-18T12:31:39Z"},{"alias_kind":"pith_short_8","alias_value":"R2M36BRI","created_at":"2026-05-18T12:31:39Z"}],"graph_snapshots":[{"event_id":"sha256:e8171093ab730a3416068553f6c0c2c80b55b3ea91a5fc8d5a1a7b157d9e7a13","target":"graph","created_at":"2026-05-18T00:19:03Z","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 summarize previous work on $\\bar b \\bar bud$ four-quark systems in the Born-Oppenheimer approximation and discuss first steps towards an extension to the theoretically more challenging $b\\bar b u\\bar d$ system. Strategies to identify a possibly existing $b\\bar b u\\bar d$ bound state are discussed and first numerical results are presented.","authors_text":"Antje Peters, Marc Wagner, Pedro Bicudo","cross_cats":["hep-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2017-09-11T09:26:49Z","title":"$b\\bar b u\\bar d$ four-quark systems in the Born-Oppenheimer approximation: prospects and challenges"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1709.03306","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":"sha256:05bbb78344a704adafa9025b866f82c50cb4a041a021c7c7784c12629c5c2716","target":"record","created_at":"2026-05-18T00:19:03Z","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":"fccded392b96c6b22628121744dc321550841b01ae47903b0346481c815ff589","cross_cats_sorted":["hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2017-09-11T09:26:49Z","title_canon_sha256":"aad5409c8ee9bfca7ec225ecc0283c9014e75229cdb6057b2d4cccc606cb2ba0"},"schema_version":"1.0","source":{"id":"1709.03306","kind":"arxiv","version":1}},"canonical_sha256":"8e99bf062817f7a16a22049ffb0a0659d3d51100048e9111c06f9d443959a297","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8e99bf062817f7a16a22049ffb0a0659d3d51100048e9111c06f9d443959a297","first_computed_at":"2026-05-18T00:19:03.587836Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:19:03.587836Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"gyUrGwy/etdzcuh99cjfmTI4HMVnEAcnKHGihsYpYGbJa/6y0pCWJLlIRD63LhGancBqtNTWPS2ChzMC3SL4BQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:19:03.588529Z","signed_message":"canonical_sha256_bytes"},"source_id":"1709.03306","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:05bbb78344a704adafa9025b866f82c50cb4a041a021c7c7784c12629c5c2716","sha256:e8171093ab730a3416068553f6c0c2c80b55b3ea91a5fc8d5a1a7b157d9e7a13"],"state_sha256":"d9833be8283dcc0c084379925cd43e39de91428f339ee360ec9f98e1d14e59c4"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7HidlUjaIcoG9AyO+60JB2EIx51PmVcIX4C1dzbHxoT580Hj0tYvIL48/KrhV6XsDpGHTuxrbC0cFr079Q5BBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T00:56:04.563429Z","bundle_sha256":"b45dbcdf0369426ac8dabb5d01934c63b4bc561d1d5d2897dbbfab039719749e"}}