{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:Z7EOREZQ2GCHWL3SEBAFTVVHYU","short_pith_number":"pith:Z7EOREZQ","canonical_record":{"source":{"id":"2102.04973","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2021-02-09T17:45:20Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"fe99a5fa8779e2fd1e5cdfed1121b04127d2369469dd3ccd18fd36b136c45117","abstract_canon_sha256":"00a673df856f297c6b9e04766230636fa9fc40b9cfdea93f4e09a0c5bf35c442"},"schema_version":"1.0"},"canonical_sha256":"cfc8e89330d1847b2f72204059d6a7c5050b19e6bbb83ee0004e134abc46b22a","source":{"kind":"arxiv","id":"2102.04973","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2102.04973","created_at":"2026-07-05T03:09:17Z"},{"alias_kind":"arxiv_version","alias_value":"2102.04973v2","created_at":"2026-07-05T03:09:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2102.04973","created_at":"2026-07-05T03:09:17Z"},{"alias_kind":"pith_short_12","alias_value":"Z7EOREZQ2GCH","created_at":"2026-07-05T03:09:17Z"},{"alias_kind":"pith_short_16","alias_value":"Z7EOREZQ2GCHWL3S","created_at":"2026-07-05T03:09:17Z"},{"alias_kind":"pith_short_8","alias_value":"Z7EOREZQ","created_at":"2026-07-05T03:09:17Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:Z7EOREZQ2GCHWL3SEBAFTVVHYU","target":"record","payload":{"canonical_record":{"source":{"id":"2102.04973","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2021-02-09T17:45:20Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"fe99a5fa8779e2fd1e5cdfed1121b04127d2369469dd3ccd18fd36b136c45117","abstract_canon_sha256":"00a673df856f297c6b9e04766230636fa9fc40b9cfdea93f4e09a0c5bf35c442"},"schema_version":"1.0"},"canonical_sha256":"cfc8e89330d1847b2f72204059d6a7c5050b19e6bbb83ee0004e134abc46b22a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:09:17.552634Z","signature_b64":"zgpf+QjNZF9hyKXFG/GHaLFiHqf62ozFM3YJSYHps7YHUSRzt2CpXED9vKnNTYozbPXR9g61/HjtkUeYe5hgDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"cfc8e89330d1847b2f72204059d6a7c5050b19e6bbb83ee0004e134abc46b22a","last_reissued_at":"2026-07-05T03:09:17.552116Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:09:17.552116Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2102.04973","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T03:09:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"G5ucf0Qt1IMW4QSwJqOcg4MlSAcEGGkduu3B7u60XjJG8/Bvvd3lEyo1mF19At0FaDYs8VZNTTM0iRww/p3ABA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T06:20:58.622669Z"},"content_sha256":"ad41f75d0704c8b70076fd27a4fb2601de3007e1d8b8d839672aa351bb409400","schema_version":"1.0","event_id":"sha256:ad41f75d0704c8b70076fd27a4fb2601de3007e1d8b8d839672aa351bb409400"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:Z7EOREZQ2GCHWL3SEBAFTVVHYU","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Isospin-1/2 $D\\pi$ scattering and the lightest $D_0^\\ast$ resonance from lattice QCD","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ph"],"primary_cat":"hep-lat","authors_text":"Christopher E. Thomas, David J. Wilson, David Tims, Luke Gayer, Nicolas Lang, Sin\\'ead M. Ryan","submitted_at":"2021-02-09T17:45:20Z","abstract_excerpt":"Isospin-1/2 $D\\pi$ scattering amplitudes are computed using lattice QCD, working in a single volume of approximately $(3.6\\; \\mathrm{fm})^3$ and with a light quark mass corresponding to $m_\\pi\\approx239$ MeV. The spectrum of the elastic $D\\pi$ energy region is computed yielding 20 energy levels. Using the L\\\"uscher finite-volume quantisation condition, these energies are translated into constraints on the infinite-volume scattering amplitudes and hence enable us to map out the energy dependence of elastic $D\\pi$ scattering. By analytically continuing a range of scattering amplitudes, a $D_0^\\a"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2102.04973","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2102.04973/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T03:09:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"E80ndTTYjLq4hSkQ7UU6Csl8uuT3u6waEEPwKrUCAODPPwtmjysr76X6Tjo8OQz9A2dmAFg828XLRaoiV2mVDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T06:20:58.623633Z"},"content_sha256":"a40e99e81cddec651e80327bc313bc88cda66d70c9df96538aa244116c79fd6d","schema_version":"1.0","event_id":"sha256:a40e99e81cddec651e80327bc313bc88cda66d70c9df96538aa244116c79fd6d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/Z7EOREZQ2GCHWL3SEBAFTVVHYU/bundle.json","state_url":"https://pith.science/pith/Z7EOREZQ2GCHWL3SEBAFTVVHYU/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/Z7EOREZQ2GCHWL3SEBAFTVVHYU/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":"2026-08-07T06:20:58Z","links":{"resolver":"https://pith.science/pith/Z7EOREZQ2GCHWL3SEBAFTVVHYU","bundle":"https://pith.science/pith/Z7EOREZQ2GCHWL3SEBAFTVVHYU/bundle.json","state":"https://pith.science/pith/Z7EOREZQ2GCHWL3SEBAFTVVHYU/state.json","well_known_bundle":"https://pith.science/.well-known/pith/Z7EOREZQ2GCHWL3SEBAFTVVHYU/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:Z7EOREZQ2GCHWL3SEBAFTVVHYU","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":"00a673df856f297c6b9e04766230636fa9fc40b9cfdea93f4e09a0c5bf35c442","cross_cats_sorted":["hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2021-02-09T17:45:20Z","title_canon_sha256":"fe99a5fa8779e2fd1e5cdfed1121b04127d2369469dd3ccd18fd36b136c45117"},"schema_version":"1.0","source":{"id":"2102.04973","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2102.04973","created_at":"2026-07-05T03:09:17Z"},{"alias_kind":"arxiv_version","alias_value":"2102.04973v2","created_at":"2026-07-05T03:09:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2102.04973","created_at":"2026-07-05T03:09:17Z"},{"alias_kind":"pith_short_12","alias_value":"Z7EOREZQ2GCH","created_at":"2026-07-05T03:09:17Z"},{"alias_kind":"pith_short_16","alias_value":"Z7EOREZQ2GCHWL3S","created_at":"2026-07-05T03:09:17Z"},{"alias_kind":"pith_short_8","alias_value":"Z7EOREZQ","created_at":"2026-07-05T03:09:17Z"}],"graph_snapshots":[{"event_id":"sha256:a40e99e81cddec651e80327bc313bc88cda66d70c9df96538aa244116c79fd6d","target":"graph","created_at":"2026-07-05T03:09:17Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2102.04973/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Isospin-1/2 $D\\pi$ scattering amplitudes are computed using lattice QCD, working in a single volume of approximately $(3.6\\; \\mathrm{fm})^3$ and with a light quark mass corresponding to $m_\\pi\\approx239$ MeV. The spectrum of the elastic $D\\pi$ energy region is computed yielding 20 energy levels. Using the L\\\"uscher finite-volume quantisation condition, these energies are translated into constraints on the infinite-volume scattering amplitudes and hence enable us to map out the energy dependence of elastic $D\\pi$ scattering. By analytically continuing a range of scattering amplitudes, a $D_0^\\a","authors_text":"Christopher E. Thomas, David J. Wilson, David Tims, Luke Gayer, Nicolas Lang, Sin\\'ead M. Ryan","cross_cats":["hep-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2021-02-09T17:45:20Z","title":"Isospin-1/2 $D\\pi$ scattering and the lightest $D_0^\\ast$ resonance from lattice QCD"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2102.04973","kind":"arxiv","version":2},"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:ad41f75d0704c8b70076fd27a4fb2601de3007e1d8b8d839672aa351bb409400","target":"record","created_at":"2026-07-05T03:09:17Z","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":"00a673df856f297c6b9e04766230636fa9fc40b9cfdea93f4e09a0c5bf35c442","cross_cats_sorted":["hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2021-02-09T17:45:20Z","title_canon_sha256":"fe99a5fa8779e2fd1e5cdfed1121b04127d2369469dd3ccd18fd36b136c45117"},"schema_version":"1.0","source":{"id":"2102.04973","kind":"arxiv","version":2}},"canonical_sha256":"cfc8e89330d1847b2f72204059d6a7c5050b19e6bbb83ee0004e134abc46b22a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"cfc8e89330d1847b2f72204059d6a7c5050b19e6bbb83ee0004e134abc46b22a","first_computed_at":"2026-07-05T03:09:17.552116Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:09:17.552116Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"zgpf+QjNZF9hyKXFG/GHaLFiHqf62ozFM3YJSYHps7YHUSRzt2CpXED9vKnNTYozbPXR9g61/HjtkUeYe5hgDQ==","signature_status":"signed_v1","signed_at":"2026-07-05T03:09:17.552634Z","signed_message":"canonical_sha256_bytes"},"source_id":"2102.04973","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ad41f75d0704c8b70076fd27a4fb2601de3007e1d8b8d839672aa351bb409400","sha256:a40e99e81cddec651e80327bc313bc88cda66d70c9df96538aa244116c79fd6d"],"state_sha256":"e851e6eba67075dc7e3f5c0875374f763d9a60c944572fb1c6d65a7e0a209b67"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zZ4hcgieOlR7uv6tCaodOnz19O+ZBGU3KquSsZdQSHuAltdY7Fh9c2Pg23tGeV5yuoMGiGPslzGsQ55FbvHjCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-07T06:20:58.630000Z","bundle_sha256":"48ec5c38fa65fc827d0996ba2961d786c9ceb44cd4e85ece7af5ea5eb6c43343"}}