{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:P5CI6I6EIPXKMHPKQF2DBCKZC5","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":"904e7f00472a6a2ab566a669315f50225cb4f6e94c6a5e1521a98c0d52db7e2f","cross_cats_sorted":["nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2021-07-06T18:24:45Z","title_canon_sha256":"83a1f5a31eb19e285204ed71b9b7e49822806d9ea1c67dc420cc1847b444e21d"},"schema_version":"1.0","source":{"id":"2107.02831","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2107.02831","created_at":"2026-07-05T03:50:49Z"},{"alias_kind":"arxiv_version","alias_value":"2107.02831v2","created_at":"2026-07-05T03:50:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2107.02831","created_at":"2026-07-05T03:50:49Z"},{"alias_kind":"pith_short_12","alias_value":"P5CI6I6EIPXK","created_at":"2026-07-05T03:50:49Z"},{"alias_kind":"pith_short_16","alias_value":"P5CI6I6EIPXKMHPK","created_at":"2026-07-05T03:50:49Z"},{"alias_kind":"pith_short_8","alias_value":"P5CI6I6E","created_at":"2026-07-05T03:50:49Z"}],"graph_snapshots":[{"event_id":"sha256:a51cf8e93e65c178c35e43e16fd9f59699eb291fbf8fc32b6e9fc18a0f20bb89","target":"graph","created_at":"2026-07-05T03:50:49Z","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/2107.02831/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The existence of the $X(3872)$ resonance extremely close to the $D^{*0} \\bar{D}^0$ threshold implies that neutral charm mesons have an approximate nonrelativistic conformal symmetry. Systems consisting of these mesons with small kinetic energies produced in a short-distance reaction are unparticles in the sense that they can be created by operators with definite scaling dimensions in a nonrelativistic conformal field theory. There is a scaling region in which their energy distribution has power-law behavior with an exponent determined by the scaling dimension of the operator. The unparticle as","authors_text":"Eric Braaten, Hans-Werner Hammer","cross_cats":["nucl-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2021-07-06T18:24:45Z","title":"Interpretation of neutral charm mesons near threshold as unparticles"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2107.02831","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":"sha256:25778dd9079941d25ad4e7fd04af665dacb8a38e39e9ba5e3e7c25c6c262848f","target":"record","created_at":"2026-07-05T03:50:49Z","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":"904e7f00472a6a2ab566a669315f50225cb4f6e94c6a5e1521a98c0d52db7e2f","cross_cats_sorted":["nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2021-07-06T18:24:45Z","title_canon_sha256":"83a1f5a31eb19e285204ed71b9b7e49822806d9ea1c67dc420cc1847b444e21d"},"schema_version":"1.0","source":{"id":"2107.02831","kind":"arxiv","version":2}},"canonical_sha256":"7f448f23c443eea61dea8174308959174b2b7bcdec8cd836a8f5805be46982e3","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7f448f23c443eea61dea8174308959174b2b7bcdec8cd836a8f5805be46982e3","first_computed_at":"2026-07-05T03:50:49.569743Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:50:49.569743Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"AnB2T9buHHr/y50vUju1e65U4NYEtjW9xQ5Vkyq31CCs/fDAM8A/v8WRKm3Y7qQbCP0UgRbhQaxnTl/NVhkTBw==","signature_status":"signed_v1","signed_at":"2026-07-05T03:50:49.570278Z","signed_message":"canonical_sha256_bytes"},"source_id":"2107.02831","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:25778dd9079941d25ad4e7fd04af665dacb8a38e39e9ba5e3e7c25c6c262848f","sha256:a51cf8e93e65c178c35e43e16fd9f59699eb291fbf8fc32b6e9fc18a0f20bb89"],"state_sha256":"2b5aea3f49b04a408142d92685c68ec67c773a54299c731af7cc16fa262f466f"}