{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:4FWBPTQPGDLT37GR4MCDRBGFZ2","short_pith_number":"pith:4FWBPTQP","canonical_record":{"source":{"id":"1407.3750","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2014-07-14T18:01:02Z","cross_cats_sorted":[],"title_canon_sha256":"590b631d74082d18184445ad3d1cf736b7707e6d39e0c95fcd3b98692d2a6e9f","abstract_canon_sha256":"448df3929948879ed8ebfaf7a152b21176d3ff6f6b532acc12c7d4b7f3cf7433"},"schema_version":"1.0"},"canonical_sha256":"e16c17ce0f30d73dfcd1e3043884c5ce8e913fa2b74f8619dc9d00309a5e8139","source":{"kind":"arxiv","id":"1407.3750","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1407.3750","created_at":"2026-05-18T02:29:45Z"},{"alias_kind":"arxiv_version","alias_value":"1407.3750v2","created_at":"2026-05-18T02:29:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1407.3750","created_at":"2026-05-18T02:29:45Z"},{"alias_kind":"pith_short_12","alias_value":"4FWBPTQPGDLT","created_at":"2026-05-18T12:28:14Z"},{"alias_kind":"pith_short_16","alias_value":"4FWBPTQPGDLT37GR","created_at":"2026-05-18T12:28:14Z"},{"alias_kind":"pith_short_8","alias_value":"4FWBPTQP","created_at":"2026-05-18T12:28:14Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:4FWBPTQPGDLT37GR4MCDRBGFZ2","target":"record","payload":{"canonical_record":{"source":{"id":"1407.3750","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2014-07-14T18:01:02Z","cross_cats_sorted":[],"title_canon_sha256":"590b631d74082d18184445ad3d1cf736b7707e6d39e0c95fcd3b98692d2a6e9f","abstract_canon_sha256":"448df3929948879ed8ebfaf7a152b21176d3ff6f6b532acc12c7d4b7f3cf7433"},"schema_version":"1.0"},"canonical_sha256":"e16c17ce0f30d73dfcd1e3043884c5ce8e913fa2b74f8619dc9d00309a5e8139","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:29:45.459638Z","signature_b64":"y07/2A9OMaRuDXQe8p3aXhSrR/hxwwlZN9JZjjG15f3GezZGg6y8OMRGCSsf53OaTg7fINW2ezs9b60ZM5D9Aw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e16c17ce0f30d73dfcd1e3043884c5ce8e913fa2b74f8619dc9d00309a5e8139","last_reissued_at":"2026-05-18T02:29:45.459235Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:29:45.459235Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1407.3750","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":"2026-05-18T02:29:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EdiVOQ72LflnGb3N1qksyDvRe/kSOM8HeUMlRFDLJiIFt5aLL8CRQTOGZ3zCEeSnsQj0zVy98LuHJNFYEJBYBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-27T11:42:28.660098Z"},"content_sha256":"321de7d4d3666eb9da7624f3dd7ab2d940e73fceb76bdccc539e22ea90564182","schema_version":"1.0","event_id":"sha256:321de7d4d3666eb9da7624f3dd7ab2d940e73fceb76bdccc539e22ea90564182"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:4FWBPTQPGDLT37GR4MCDRBGFZ2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Large-$N_c$ naturalness in coupled-channel meson-meson scattering","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"A. Pich, E. Ruiz Arriola, J. Nieves, J. Ruiz de Elvira, T. Ledwig","submitted_at":"2014-07-14T18:01:02Z","abstract_excerpt":"The analysis of hadronic interactions with effective field theory techniques is complicated by the appearance of a large number of low-energy constants, which are usually fitted to data. On the other hand, the large-$N_c$ limit imposes natural short-distance constraints on these low-energy constants, providing a parameter reduction. A Bayesian interpretation of the expected $1/N_c$ accuracy allows for an easy and efficient implementation of these constraints, using an augmented $\\chi^2$. We apply this approach to the analysis of meson-meson scattering, in conjunction with chiral perturbation t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1407.3750","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":""},"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":"2026-05-18T02:29:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SDLcDeqDmt+4EGF19EVpazWSQ5aXDusjkpHcbAM8HBzQJGvwdV6Q2Jajx7AC0kgmFEl9JdE4lGgm8IOi9aGWCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-27T11:42:28.660448Z"},"content_sha256":"341fcfaeb52309c94147d60c4e25526de7121576b3b1c97884fb1d5b485cb120","schema_version":"1.0","event_id":"sha256:341fcfaeb52309c94147d60c4e25526de7121576b3b1c97884fb1d5b485cb120"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4FWBPTQPGDLT37GR4MCDRBGFZ2/bundle.json","state_url":"https://pith.science/pith/4FWBPTQPGDLT37GR4MCDRBGFZ2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4FWBPTQPGDLT37GR4MCDRBGFZ2/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":"2026-06-27T11:42:28Z","links":{"resolver":"https://pith.science/pith/4FWBPTQPGDLT37GR4MCDRBGFZ2","bundle":"https://pith.science/pith/4FWBPTQPGDLT37GR4MCDRBGFZ2/bundle.json","state":"https://pith.science/pith/4FWBPTQPGDLT37GR4MCDRBGFZ2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4FWBPTQPGDLT37GR4MCDRBGFZ2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:4FWBPTQPGDLT37GR4MCDRBGFZ2","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":"448df3929948879ed8ebfaf7a152b21176d3ff6f6b532acc12c7d4b7f3cf7433","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2014-07-14T18:01:02Z","title_canon_sha256":"590b631d74082d18184445ad3d1cf736b7707e6d39e0c95fcd3b98692d2a6e9f"},"schema_version":"1.0","source":{"id":"1407.3750","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1407.3750","created_at":"2026-05-18T02:29:45Z"},{"alias_kind":"arxiv_version","alias_value":"1407.3750v2","created_at":"2026-05-18T02:29:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1407.3750","created_at":"2026-05-18T02:29:45Z"},{"alias_kind":"pith_short_12","alias_value":"4FWBPTQPGDLT","created_at":"2026-05-18T12:28:14Z"},{"alias_kind":"pith_short_16","alias_value":"4FWBPTQPGDLT37GR","created_at":"2026-05-18T12:28:14Z"},{"alias_kind":"pith_short_8","alias_value":"4FWBPTQP","created_at":"2026-05-18T12:28:14Z"}],"graph_snapshots":[{"event_id":"sha256:341fcfaeb52309c94147d60c4e25526de7121576b3b1c97884fb1d5b485cb120","target":"graph","created_at":"2026-05-18T02:29:45Z","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 analysis of hadronic interactions with effective field theory techniques is complicated by the appearance of a large number of low-energy constants, which are usually fitted to data. On the other hand, the large-$N_c$ limit imposes natural short-distance constraints on these low-energy constants, providing a parameter reduction. A Bayesian interpretation of the expected $1/N_c$ accuracy allows for an easy and efficient implementation of these constraints, using an augmented $\\chi^2$. We apply this approach to the analysis of meson-meson scattering, in conjunction with chiral perturbation t","authors_text":"A. Pich, E. Ruiz Arriola, J. Nieves, J. Ruiz de Elvira, T. Ledwig","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2014-07-14T18:01:02Z","title":"Large-$N_c$ naturalness in coupled-channel meson-meson scattering"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1407.3750","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":"sha256:321de7d4d3666eb9da7624f3dd7ab2d940e73fceb76bdccc539e22ea90564182","target":"record","created_at":"2026-05-18T02:29:45Z","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":"448df3929948879ed8ebfaf7a152b21176d3ff6f6b532acc12c7d4b7f3cf7433","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2014-07-14T18:01:02Z","title_canon_sha256":"590b631d74082d18184445ad3d1cf736b7707e6d39e0c95fcd3b98692d2a6e9f"},"schema_version":"1.0","source":{"id":"1407.3750","kind":"arxiv","version":2}},"canonical_sha256":"e16c17ce0f30d73dfcd1e3043884c5ce8e913fa2b74f8619dc9d00309a5e8139","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e16c17ce0f30d73dfcd1e3043884c5ce8e913fa2b74f8619dc9d00309a5e8139","first_computed_at":"2026-05-18T02:29:45.459235Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:29:45.459235Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"y07/2A9OMaRuDXQe8p3aXhSrR/hxwwlZN9JZjjG15f3GezZGg6y8OMRGCSsf53OaTg7fINW2ezs9b60ZM5D9Aw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:29:45.459638Z","signed_message":"canonical_sha256_bytes"},"source_id":"1407.3750","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:321de7d4d3666eb9da7624f3dd7ab2d940e73fceb76bdccc539e22ea90564182","sha256:341fcfaeb52309c94147d60c4e25526de7121576b3b1c97884fb1d5b485cb120"],"state_sha256":"721a951c0cc3b0209edbd90cd2dd5a3b9ca504820103680295b4f23f9eeef6fe"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0Lg7G3rkHFLgMIoCirPlcPkKV1bwkdd1e039tpcuVb72P+EedaEE3WkDGWF7WMVt90nAwqSHMgsMxvaiZmzZAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-27T11:42:28.662244Z","bundle_sha256":"d9ffda8c647ed5e56522ccbe8473927b239fadb44dcdb33a027b13c9afee5292"}}