{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:O4KMQEFWYPV3PKKTZKWNLDO7D6","short_pith_number":"pith:O4KMQEFW","canonical_record":{"source":{"id":"1301.1765","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2013-01-09T07:28:33Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"21b7f038e6b5b9b62e853f22c15150378d1c6ea3e6d035ce8532784f0e029aae","abstract_canon_sha256":"a9c35224bc30f0b9a7418d8d8ab360814feff04e759a9762928354a540b850cc"},"schema_version":"1.0"},"canonical_sha256":"7714c810b6c3ebb7a953caacd58ddf1fbffbd9f6fff370f1d8b9fd1a143f44d5","source":{"kind":"arxiv","id":"1301.1765","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1301.1765","created_at":"2026-05-18T03:36:55Z"},{"alias_kind":"arxiv_version","alias_value":"1301.1765v1","created_at":"2026-05-18T03:36:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1301.1765","created_at":"2026-05-18T03:36:55Z"},{"alias_kind":"pith_short_12","alias_value":"O4KMQEFWYPV3","created_at":"2026-05-18T12:27:54Z"},{"alias_kind":"pith_short_16","alias_value":"O4KMQEFWYPV3PKKT","created_at":"2026-05-18T12:27:54Z"},{"alias_kind":"pith_short_8","alias_value":"O4KMQEFW","created_at":"2026-05-18T12:27:54Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:O4KMQEFWYPV3PKKTZKWNLDO7D6","target":"record","payload":{"canonical_record":{"source":{"id":"1301.1765","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2013-01-09T07:28:33Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"21b7f038e6b5b9b62e853f22c15150378d1c6ea3e6d035ce8532784f0e029aae","abstract_canon_sha256":"a9c35224bc30f0b9a7418d8d8ab360814feff04e759a9762928354a540b850cc"},"schema_version":"1.0"},"canonical_sha256":"7714c810b6c3ebb7a953caacd58ddf1fbffbd9f6fff370f1d8b9fd1a143f44d5","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:36:55.977183Z","signature_b64":"7iC77TeejRYIdYjAMjMgWZrKiXKRLK60ac9CEY3jzwHSfMj2KNm2ZGRoTUmGM8liYpgTPx9juZ0Tm3MsPU//Bg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7714c810b6c3ebb7a953caacd58ddf1fbffbd9f6fff370f1d8b9fd1a143f44d5","last_reissued_at":"2026-05-18T03:36:55.976784Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:36:55.976784Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1301.1765","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":"2026-05-18T03:36:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QZC0fNpkZt7SlXdjIcJtkPbxUFN4jCiDC2mUyE+WQZfEBPg4zFlhzcGwXzQ7TraSGNfuUvFciwM+U1MdIA4FBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T20:43:27.098928Z"},"content_sha256":"0d5e3c1fc8e5d551a70bb2f681ad1b6bdc3206f5260251ea0b410660548222ce","schema_version":"1.0","event_id":"sha256:0d5e3c1fc8e5d551a70bb2f681ad1b6bdc3206f5260251ea0b410660548222ce"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:O4KMQEFWYPV3PKKTZKWNLDO7D6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Strange quark content of the nucleon and dark matter searches","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ph"],"primary_cat":"hep-lat","authors_text":"R. D. Young","submitted_at":"2013-01-09T07:28:33Z","abstract_excerpt":"The strange quark scalar content plays an important role in both the description of nucleon structure and in the determination of dark matter direct detection cross sections. As a measure of the strange-quark contribution to the nucleon mass, the strange-quark sigma term (\\sigma_s) provides important insight into the nature of mass generation in QCD. The phenomenological determination of \\sigma_s exhibits a wide range of variation, with values suggesting that the strange quark contributes anywhere between 0 and more than 30% of the nucleon mass. In the context of dark matter searches, coupled "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1301.1765","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":"2026-05-18T03:36:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"37v1e18lbMlVxkhqsRNQYk6KygrneuKv2EwnvzZvf1x81+7sYQ8DQZX+4vmH8OydYN3nmzzzLx/xupAfMOnwBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T20:43:27.099373Z"},"content_sha256":"e06e78fbd3fcfb8c6313dafbf89e6831a04b1f77dbf5d3f62b6ab30ad517664b","schema_version":"1.0","event_id":"sha256:e06e78fbd3fcfb8c6313dafbf89e6831a04b1f77dbf5d3f62b6ab30ad517664b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/O4KMQEFWYPV3PKKTZKWNLDO7D6/bundle.json","state_url":"https://pith.science/pith/O4KMQEFWYPV3PKKTZKWNLDO7D6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/O4KMQEFWYPV3PKKTZKWNLDO7D6/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":"2026-05-25T20:43:27Z","links":{"resolver":"https://pith.science/pith/O4KMQEFWYPV3PKKTZKWNLDO7D6","bundle":"https://pith.science/pith/O4KMQEFWYPV3PKKTZKWNLDO7D6/bundle.json","state":"https://pith.science/pith/O4KMQEFWYPV3PKKTZKWNLDO7D6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/O4KMQEFWYPV3PKKTZKWNLDO7D6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:O4KMQEFWYPV3PKKTZKWNLDO7D6","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":"a9c35224bc30f0b9a7418d8d8ab360814feff04e759a9762928354a540b850cc","cross_cats_sorted":["hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2013-01-09T07:28:33Z","title_canon_sha256":"21b7f038e6b5b9b62e853f22c15150378d1c6ea3e6d035ce8532784f0e029aae"},"schema_version":"1.0","source":{"id":"1301.1765","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1301.1765","created_at":"2026-05-18T03:36:55Z"},{"alias_kind":"arxiv_version","alias_value":"1301.1765v1","created_at":"2026-05-18T03:36:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1301.1765","created_at":"2026-05-18T03:36:55Z"},{"alias_kind":"pith_short_12","alias_value":"O4KMQEFWYPV3","created_at":"2026-05-18T12:27:54Z"},{"alias_kind":"pith_short_16","alias_value":"O4KMQEFWYPV3PKKT","created_at":"2026-05-18T12:27:54Z"},{"alias_kind":"pith_short_8","alias_value":"O4KMQEFW","created_at":"2026-05-18T12:27:54Z"}],"graph_snapshots":[{"event_id":"sha256:e06e78fbd3fcfb8c6313dafbf89e6831a04b1f77dbf5d3f62b6ab30ad517664b","target":"graph","created_at":"2026-05-18T03:36:55Z","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":"The strange quark scalar content plays an important role in both the description of nucleon structure and in the determination of dark matter direct detection cross sections. As a measure of the strange-quark contribution to the nucleon mass, the strange-quark sigma term (\\sigma_s) provides important insight into the nature of mass generation in QCD. The phenomenological determination of \\sigma_s exhibits a wide range of variation, with values suggesting that the strange quark contributes anywhere between 0 and more than 30% of the nucleon mass. In the context of dark matter searches, coupled ","authors_text":"R. D. Young","cross_cats":["hep-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2013-01-09T07:28:33Z","title":"Strange quark content of the nucleon and dark matter searches"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1301.1765","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":"sha256:0d5e3c1fc8e5d551a70bb2f681ad1b6bdc3206f5260251ea0b410660548222ce","target":"record","created_at":"2026-05-18T03:36:55Z","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":"a9c35224bc30f0b9a7418d8d8ab360814feff04e759a9762928354a540b850cc","cross_cats_sorted":["hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2013-01-09T07:28:33Z","title_canon_sha256":"21b7f038e6b5b9b62e853f22c15150378d1c6ea3e6d035ce8532784f0e029aae"},"schema_version":"1.0","source":{"id":"1301.1765","kind":"arxiv","version":1}},"canonical_sha256":"7714c810b6c3ebb7a953caacd58ddf1fbffbd9f6fff370f1d8b9fd1a143f44d5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7714c810b6c3ebb7a953caacd58ddf1fbffbd9f6fff370f1d8b9fd1a143f44d5","first_computed_at":"2026-05-18T03:36:55.976784Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:36:55.976784Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"7iC77TeejRYIdYjAMjMgWZrKiXKRLK60ac9CEY3jzwHSfMj2KNm2ZGRoTUmGM8liYpgTPx9juZ0Tm3MsPU//Bg==","signature_status":"signed_v1","signed_at":"2026-05-18T03:36:55.977183Z","signed_message":"canonical_sha256_bytes"},"source_id":"1301.1765","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0d5e3c1fc8e5d551a70bb2f681ad1b6bdc3206f5260251ea0b410660548222ce","sha256:e06e78fbd3fcfb8c6313dafbf89e6831a04b1f77dbf5d3f62b6ab30ad517664b"],"state_sha256":"5bfabb4227478c1d1a86abe975c89daeaa92c95943d0b7ef7512c72c8e8254c2"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"r08vwKolr8GIfO0dGcYVAQMj3yUl8eQ8p2GO25jFmWH1llX7TRtalOTPBmq5DyhNDRMQTPNyhKPDcgcwissyBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T20:43:27.101775Z","bundle_sha256":"c80dd7b7ec90210bb65b09dd452c65a6741583166fe74c27c64a8dc29272dd9c"}}