{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:UUTOSGKL2DWN3EXG2UEIDH5H6L","short_pith_number":"pith:UUTOSGKL","canonical_record":{"source":{"id":"1811.06050","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2018-11-14T20:37:34Z","cross_cats_sorted":[],"title_canon_sha256":"9ea258e3f4278be1fd99a8db1b199066c7cc1286aefdc7954d06dc7d4a60417b","abstract_canon_sha256":"0cdf02a62362edb45d1f0d9ca4d6fcf0a7f08ee54e37b8c4e27ac62f07783da5"},"schema_version":"1.0"},"canonical_sha256":"a526e9194bd0ecdd92e6d508819fa7f2ceb6a5e12ed7ebf7135d83d4ead0c483","source":{"kind":"arxiv","id":"1811.06050","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1811.06050","created_at":"2026-05-18T00:00:38Z"},{"alias_kind":"arxiv_version","alias_value":"1811.06050v1","created_at":"2026-05-18T00:00:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1811.06050","created_at":"2026-05-18T00:00:38Z"},{"alias_kind":"pith_short_12","alias_value":"UUTOSGKL2DWN","created_at":"2026-05-18T12:32:56Z"},{"alias_kind":"pith_short_16","alias_value":"UUTOSGKL2DWN3EXG","created_at":"2026-05-18T12:32:56Z"},{"alias_kind":"pith_short_8","alias_value":"UUTOSGKL","created_at":"2026-05-18T12:32:56Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:UUTOSGKL2DWN3EXG2UEIDH5H6L","target":"record","payload":{"canonical_record":{"source":{"id":"1811.06050","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2018-11-14T20:37:34Z","cross_cats_sorted":[],"title_canon_sha256":"9ea258e3f4278be1fd99a8db1b199066c7cc1286aefdc7954d06dc7d4a60417b","abstract_canon_sha256":"0cdf02a62362edb45d1f0d9ca4d6fcf0a7f08ee54e37b8c4e27ac62f07783da5"},"schema_version":"1.0"},"canonical_sha256":"a526e9194bd0ecdd92e6d508819fa7f2ceb6a5e12ed7ebf7135d83d4ead0c483","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:00:38.795369Z","signature_b64":"2iuSTrTewqJsjRfionrkXw7yiI9+tVa1srp6XVZdzXOD0LVLdO3bqYdS26t7EFxV7SiW7TQ7b3N88JK/yCUbAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a526e9194bd0ecdd92e6d508819fa7f2ceb6a5e12ed7ebf7135d83d4ead0c483","last_reissued_at":"2026-05-18T00:00:38.794909Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:00:38.794909Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1811.06050","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":"2026-05-18T00:00:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2tAYTV4foxK7Q1moTjvc8YTx6E0j7IIXsDsyGopvcbyZOp1+Do8uJoZvxnTsj8Y/oGG2l2wmis4P1W7XO4/eCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-24T16:44:47.001260Z"},"content_sha256":"23f629c283750fafac076cdeb1d5ba91a652bf6fe52ddf46d591fe929cb69ed7","schema_version":"1.0","event_id":"sha256:23f629c283750fafac076cdeb1d5ba91a652bf6fe52ddf46d591fe929cb69ed7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:UUTOSGKL2DWN3EXG2UEIDH5H6L","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Pion and Kaon Distribution Amplitudes from lattice QCD: towards the continuum limit","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-lat","authors_text":"Andreas Sch\\\"afer, Fabian Hutzler, Gunnar S. Bali, Meinulf G\\\"ockeler, Michael Gruber, Philipp Wein, Piotr Korcyl, Vladimir M. Braun","submitted_at":"2018-11-14T20:37:34Z","abstract_excerpt":"We present the current status of a non-perturbative lattice calculation of the moments of the pion and kaon distribution amplitudes by the RQCD collaboration. Our investigation is carried out using $N_f=2+1$ dynamical, non-perturbatively O(a)-improved Wilson fermions on the CLS ensembles with 5 different lattice spacings and pion masses down to the physical pion mass. A combined continuum and chiral extrapolation to the physical point is performed along two independent quark mass trajectories simultaneously. We employ momentum smearing in order to decrease the contamination by excited states a"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1811.06050","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":"2026-05-18T00:00:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WY+ykt4HA2rLSeMc9qSRaL811doHHqHYBOX3bwRy/Ovkk4GAgV+nYil8s1uem+tB478sim2Q/xmx+eV2lrPvAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-24T16:44:47.001946Z"},"content_sha256":"1ba1fae836f4f6a363f9c25fc9ec8070c0d12b4c274c713d96284bc88b3e1f15","schema_version":"1.0","event_id":"sha256:1ba1fae836f4f6a363f9c25fc9ec8070c0d12b4c274c713d96284bc88b3e1f15"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/UUTOSGKL2DWN3EXG2UEIDH5H6L/bundle.json","state_url":"https://pith.science/pith/UUTOSGKL2DWN3EXG2UEIDH5H6L/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/UUTOSGKL2DWN3EXG2UEIDH5H6L/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":"2026-05-24T16:44:47Z","links":{"resolver":"https://pith.science/pith/UUTOSGKL2DWN3EXG2UEIDH5H6L","bundle":"https://pith.science/pith/UUTOSGKL2DWN3EXG2UEIDH5H6L/bundle.json","state":"https://pith.science/pith/UUTOSGKL2DWN3EXG2UEIDH5H6L/state.json","well_known_bundle":"https://pith.science/.well-known/pith/UUTOSGKL2DWN3EXG2UEIDH5H6L/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:UUTOSGKL2DWN3EXG2UEIDH5H6L","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":"0cdf02a62362edb45d1f0d9ca4d6fcf0a7f08ee54e37b8c4e27ac62f07783da5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2018-11-14T20:37:34Z","title_canon_sha256":"9ea258e3f4278be1fd99a8db1b199066c7cc1286aefdc7954d06dc7d4a60417b"},"schema_version":"1.0","source":{"id":"1811.06050","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1811.06050","created_at":"2026-05-18T00:00:38Z"},{"alias_kind":"arxiv_version","alias_value":"1811.06050v1","created_at":"2026-05-18T00:00:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1811.06050","created_at":"2026-05-18T00:00:38Z"},{"alias_kind":"pith_short_12","alias_value":"UUTOSGKL2DWN","created_at":"2026-05-18T12:32:56Z"},{"alias_kind":"pith_short_16","alias_value":"UUTOSGKL2DWN3EXG","created_at":"2026-05-18T12:32:56Z"},{"alias_kind":"pith_short_8","alias_value":"UUTOSGKL","created_at":"2026-05-18T12:32:56Z"}],"graph_snapshots":[{"event_id":"sha256:1ba1fae836f4f6a363f9c25fc9ec8070c0d12b4c274c713d96284bc88b3e1f15","target":"graph","created_at":"2026-05-18T00:00:38Z","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 current status of a non-perturbative lattice calculation of the moments of the pion and kaon distribution amplitudes by the RQCD collaboration. Our investigation is carried out using $N_f=2+1$ dynamical, non-perturbatively O(a)-improved Wilson fermions on the CLS ensembles with 5 different lattice spacings and pion masses down to the physical pion mass. A combined continuum and chiral extrapolation to the physical point is performed along two independent quark mass trajectories simultaneously. We employ momentum smearing in order to decrease the contamination by excited states a","authors_text":"Andreas Sch\\\"afer, Fabian Hutzler, Gunnar S. Bali, Meinulf G\\\"ockeler, Michael Gruber, Philipp Wein, Piotr Korcyl, Vladimir M. Braun","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2018-11-14T20:37:34Z","title":"Pion and Kaon Distribution Amplitudes from lattice QCD: towards the continuum limit"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1811.06050","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":"sha256:23f629c283750fafac076cdeb1d5ba91a652bf6fe52ddf46d591fe929cb69ed7","target":"record","created_at":"2026-05-18T00:00:38Z","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":"0cdf02a62362edb45d1f0d9ca4d6fcf0a7f08ee54e37b8c4e27ac62f07783da5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2018-11-14T20:37:34Z","title_canon_sha256":"9ea258e3f4278be1fd99a8db1b199066c7cc1286aefdc7954d06dc7d4a60417b"},"schema_version":"1.0","source":{"id":"1811.06050","kind":"arxiv","version":1}},"canonical_sha256":"a526e9194bd0ecdd92e6d508819fa7f2ceb6a5e12ed7ebf7135d83d4ead0c483","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a526e9194bd0ecdd92e6d508819fa7f2ceb6a5e12ed7ebf7135d83d4ead0c483","first_computed_at":"2026-05-18T00:00:38.794909Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:00:38.794909Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"2iuSTrTewqJsjRfionrkXw7yiI9+tVa1srp6XVZdzXOD0LVLdO3bqYdS26t7EFxV7SiW7TQ7b3N88JK/yCUbAw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:00:38.795369Z","signed_message":"canonical_sha256_bytes"},"source_id":"1811.06050","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:23f629c283750fafac076cdeb1d5ba91a652bf6fe52ddf46d591fe929cb69ed7","sha256:1ba1fae836f4f6a363f9c25fc9ec8070c0d12b4c274c713d96284bc88b3e1f15"],"state_sha256":"bd3b66ed6eacc99528d01f42f2e5d743ef48e51c22e28ad19dab6178c331769b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lvt5G2S/mWhW2y1vEXVh8gaNCsTmJhuXNZcFy6oq2tAyCXYX/HbfVfkgOlvUSjgI5XNw9hLkjY7i2nO66vO3CA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-24T16:44:47.005433Z","bundle_sha256":"5d96848c3ba7eb6e802f29390e5eb2c4be4fd546c89c51ca6a7c26e357c5d58a"}}