{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:63ECCQKZTDEBYCF2KOIEY3CHRX","short_pith_number":"pith:63ECCQKZ","canonical_record":{"source":{"id":"1407.4045","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2014-07-15T16:32:17Z","cross_cats_sorted":[],"title_canon_sha256":"dbbfa9984b4b10554bc2a975956e2930347b58ddae11d58714c4016e0a708074","abstract_canon_sha256":"8f44ac14239374b3af4414c3f162a5247a3b95910db89d7c74d91e67fd32eb0d"},"schema_version":"1.0"},"canonical_sha256":"f6c821415998c81c08ba53904c6c478dcc798fa2894e1a78f2a436af3ad55ae6","source":{"kind":"arxiv","id":"1407.4045","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1407.4045","created_at":"2026-05-18T02:47:32Z"},{"alias_kind":"arxiv_version","alias_value":"1407.4045v1","created_at":"2026-05-18T02:47:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1407.4045","created_at":"2026-05-18T02:47:32Z"},{"alias_kind":"pith_short_12","alias_value":"63ECCQKZTDEB","created_at":"2026-05-18T12:28:16Z"},{"alias_kind":"pith_short_16","alias_value":"63ECCQKZTDEBYCF2","created_at":"2026-05-18T12:28:16Z"},{"alias_kind":"pith_short_8","alias_value":"63ECCQKZ","created_at":"2026-05-18T12:28:16Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:63ECCQKZTDEBYCF2KOIEY3CHRX","target":"record","payload":{"canonical_record":{"source":{"id":"1407.4045","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2014-07-15T16:32:17Z","cross_cats_sorted":[],"title_canon_sha256":"dbbfa9984b4b10554bc2a975956e2930347b58ddae11d58714c4016e0a708074","abstract_canon_sha256":"8f44ac14239374b3af4414c3f162a5247a3b95910db89d7c74d91e67fd32eb0d"},"schema_version":"1.0"},"canonical_sha256":"f6c821415998c81c08ba53904c6c478dcc798fa2894e1a78f2a436af3ad55ae6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:47:32.086347Z","signature_b64":"7wa0utwpUkF4TZVPPEXe2rUhRdsP4LnGwSkb7B6icKyjroynntTyTMzHpMjLYTRmgLChlOOewHmHAJpwqb1UDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f6c821415998c81c08ba53904c6c478dcc798fa2894e1a78f2a436af3ad55ae6","last_reissued_at":"2026-05-18T02:47:32.085910Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:47:32.085910Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1407.4045","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":"2026-05-18T02:47:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KcKJK2bi5Fa9gm+knozJrSjMv1R11aeiASbanTqgh0NeHKKgz/88GuVQeLGmYIyB9CmmNULKyytuk2XOpAITCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T12:04:20.203886Z"},"content_sha256":"5a49207dc9d660259c5654e42d33c6dd5fbbae835738c2d3f9d808453d5f634a","schema_version":"1.0","event_id":"sha256:5a49207dc9d660259c5654e42d33c6dd5fbbae835738c2d3f9d808453d5f634a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:63ECCQKZTDEBYCF2KOIEY3CHRX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Updates of PDFs in the MSTW framework","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"A.D. Martin, L.A. Harland-Lang, P. Motylinski, R.S. Thorne","submitted_at":"2014-07-15T16:32:17Z","abstract_excerpt":"I present results on updates on PDFs which are obtained within the general framework which led to the MSTW2008 PDF sets. There are some theory and procedural improvements and a variety of new data sets, including many relevant up-to-date LHC data. A new set of PDFs is very close to being finalised, with no significant changes expected to the preliminary PDFs shown here."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1407.4045","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":"2026-05-18T02:47:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"F8e+CPJ6TJamJa8Fq9qa5u5akI/WsWDf0C8PG5wLv2ddPotljNX+Wbs7eCXK65xCf58VavLTey4SDr9KDoxlBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T12:04:20.204526Z"},"content_sha256":"57d543fc00129ef334f9278cf96624ca27edac1b3fd2f27f4d8f62061392f4af","schema_version":"1.0","event_id":"sha256:57d543fc00129ef334f9278cf96624ca27edac1b3fd2f27f4d8f62061392f4af"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/63ECCQKZTDEBYCF2KOIEY3CHRX/bundle.json","state_url":"https://pith.science/pith/63ECCQKZTDEBYCF2KOIEY3CHRX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/63ECCQKZTDEBYCF2KOIEY3CHRX/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":"2026-05-25T12:04:20Z","links":{"resolver":"https://pith.science/pith/63ECCQKZTDEBYCF2KOIEY3CHRX","bundle":"https://pith.science/pith/63ECCQKZTDEBYCF2KOIEY3CHRX/bundle.json","state":"https://pith.science/pith/63ECCQKZTDEBYCF2KOIEY3CHRX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/63ECCQKZTDEBYCF2KOIEY3CHRX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:63ECCQKZTDEBYCF2KOIEY3CHRX","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":"8f44ac14239374b3af4414c3f162a5247a3b95910db89d7c74d91e67fd32eb0d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2014-07-15T16:32:17Z","title_canon_sha256":"dbbfa9984b4b10554bc2a975956e2930347b58ddae11d58714c4016e0a708074"},"schema_version":"1.0","source":{"id":"1407.4045","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1407.4045","created_at":"2026-05-18T02:47:32Z"},{"alias_kind":"arxiv_version","alias_value":"1407.4045v1","created_at":"2026-05-18T02:47:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1407.4045","created_at":"2026-05-18T02:47:32Z"},{"alias_kind":"pith_short_12","alias_value":"63ECCQKZTDEB","created_at":"2026-05-18T12:28:16Z"},{"alias_kind":"pith_short_16","alias_value":"63ECCQKZTDEBYCF2","created_at":"2026-05-18T12:28:16Z"},{"alias_kind":"pith_short_8","alias_value":"63ECCQKZ","created_at":"2026-05-18T12:28:16Z"}],"graph_snapshots":[{"event_id":"sha256:57d543fc00129ef334f9278cf96624ca27edac1b3fd2f27f4d8f62061392f4af","target":"graph","created_at":"2026-05-18T02:47:32Z","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":"I present results on updates on PDFs which are obtained within the general framework which led to the MSTW2008 PDF sets. There are some theory and procedural improvements and a variety of new data sets, including many relevant up-to-date LHC data. A new set of PDFs is very close to being finalised, with no significant changes expected to the preliminary PDFs shown here.","authors_text":"A.D. Martin, L.A. Harland-Lang, P. Motylinski, R.S. Thorne","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2014-07-15T16:32:17Z","title":"Updates of PDFs in the MSTW framework"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1407.4045","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":"sha256:5a49207dc9d660259c5654e42d33c6dd5fbbae835738c2d3f9d808453d5f634a","target":"record","created_at":"2026-05-18T02:47:32Z","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":"8f44ac14239374b3af4414c3f162a5247a3b95910db89d7c74d91e67fd32eb0d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2014-07-15T16:32:17Z","title_canon_sha256":"dbbfa9984b4b10554bc2a975956e2930347b58ddae11d58714c4016e0a708074"},"schema_version":"1.0","source":{"id":"1407.4045","kind":"arxiv","version":1}},"canonical_sha256":"f6c821415998c81c08ba53904c6c478dcc798fa2894e1a78f2a436af3ad55ae6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f6c821415998c81c08ba53904c6c478dcc798fa2894e1a78f2a436af3ad55ae6","first_computed_at":"2026-05-18T02:47:32.085910Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:47:32.085910Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"7wa0utwpUkF4TZVPPEXe2rUhRdsP4LnGwSkb7B6icKyjroynntTyTMzHpMjLYTRmgLChlOOewHmHAJpwqb1UDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:47:32.086347Z","signed_message":"canonical_sha256_bytes"},"source_id":"1407.4045","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5a49207dc9d660259c5654e42d33c6dd5fbbae835738c2d3f9d808453d5f634a","sha256:57d543fc00129ef334f9278cf96624ca27edac1b3fd2f27f4d8f62061392f4af"],"state_sha256":"76a5b19dd03933c4657e07add6f88185704bbc8364035e616bad5bcf0d3601b8"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Y4l+gSWFk/oPspB1TmqjxcWOcMKFY8+c6MM4opmLlxOx/fIf84smftvFZgOMyqbSWZ3HWCugUoDPsBlklOYcCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T12:04:20.207806Z","bundle_sha256":"15305daa3de55ada828e283eed7274a243ba0a53964bcb6fbad1d1b508b4478c"}}