{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:7HMQIO2QVHW7G27NQ4FTWVEY77","short_pith_number":"pith:7HMQIO2Q","canonical_record":{"source":{"id":"2209.10679","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2022-09-21T22:04:49Z","cross_cats_sorted":[],"title_canon_sha256":"ea7c89a1fa2ef8f1c679179edd2c74180ce231dadfbd0fd28ea87832af3b8370","abstract_canon_sha256":"b258e506164575be5bfc534af9bed0e27f6471803b8b64425921e23a22b620d6"},"schema_version":"1.0"},"canonical_sha256":"f9d9043b50a9edf36bed870b3b5498ffc99e983f6d5ab56efd4f7d3c198ff1f9","source":{"kind":"arxiv","id":"2209.10679","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2209.10679","created_at":"2026-07-05T05:22:55Z"},{"alias_kind":"arxiv_version","alias_value":"2209.10679v1","created_at":"2026-07-05T05:22:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2209.10679","created_at":"2026-07-05T05:22:55Z"},{"alias_kind":"pith_short_12","alias_value":"7HMQIO2QVHW7","created_at":"2026-07-05T05:22:55Z"},{"alias_kind":"pith_short_16","alias_value":"7HMQIO2QVHW7G27N","created_at":"2026-07-05T05:22:55Z"},{"alias_kind":"pith_short_8","alias_value":"7HMQIO2Q","created_at":"2026-07-05T05:22:55Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:7HMQIO2QVHW7G27NQ4FTWVEY77","target":"record","payload":{"canonical_record":{"source":{"id":"2209.10679","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2022-09-21T22:04:49Z","cross_cats_sorted":[],"title_canon_sha256":"ea7c89a1fa2ef8f1c679179edd2c74180ce231dadfbd0fd28ea87832af3b8370","abstract_canon_sha256":"b258e506164575be5bfc534af9bed0e27f6471803b8b64425921e23a22b620d6"},"schema_version":"1.0"},"canonical_sha256":"f9d9043b50a9edf36bed870b3b5498ffc99e983f6d5ab56efd4f7d3c198ff1f9","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T05:22:55.195921Z","signature_b64":"TiirYH6YTEK0jI6jaH8V2pY/NF/LSuIZk35IEeYPQz/A9ysRFeQapwZWMWiDBnXC4enH4P+8EKE2A2C+UB1BAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f9d9043b50a9edf36bed870b3b5498ffc99e983f6d5ab56efd4f7d3c198ff1f9","last_reissued_at":"2026-07-05T05:22:55.195395Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T05:22:55.195395Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2209.10679","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":"2026-07-05T05:22:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"C76cdMFB8SXNaTjL4nAu4H6fVHeCXSZCOuHFDMtZ9zMBuCtYDIqA5kLs8avntIvv1FJKnbyQioKK0f1lyzB7Ag==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-09T00:12:59.164655Z"},"content_sha256":"2e02ba171e8a8e87c73920f3efab66f4a348f173f5a2f93e05cd077e9a754caa","schema_version":"1.0","event_id":"sha256:2e02ba171e8a8e87c73920f3efab66f4a348f173f5a2f93e05cd077e9a754caa"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:7HMQIO2QVHW7G27NQ4FTWVEY77","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Charged pseudoscalar and vector meson masses under strong magnetic fields in an extended NJL model","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"D. Gomez Dumm, J.P. Carlomagno, M.F. Izzo Villafa\\~ne, N.N. Scoccola, S. Noguera","submitted_at":"2022-09-21T22:04:49Z","abstract_excerpt":"The mass spectrum of $\\pi^+$ and $\\rho^+$ mesons in the presence of a static uniform magnetic field $\\vec B$ is studied within a two-flavor NJL-like model. We improve previous calculations taking into account the effect of Schwinger phases carried by quark propagators, and using an expansion of meson fields in terms of the solutions of the corresponding equations of motion for nonzero $B$. It is shown that the meson polarization functions are diagonal in this basis. Our numerical results for the $\\rho^+$ meson spectrum are found to disfavor the existence of a meson condensate induced by the ma"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2209.10679","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2209.10679/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":"2026-07-05T05:22:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QhQuXavLa2SYtNdMEE+AqdvXe9ow8YLHVLmdf9Pss/blU16yXDg9gl2Zr58F6/EatJ9SiZn+t2Xex/l2xdRGAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-09T00:12:59.165167Z"},"content_sha256":"fcbe5e30378b1ad526b3af3d451b6768721bfd821c8f35bca04e83394a7b887b","schema_version":"1.0","event_id":"sha256:fcbe5e30378b1ad526b3af3d451b6768721bfd821c8f35bca04e83394a7b887b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7HMQIO2QVHW7G27NQ4FTWVEY77/bundle.json","state_url":"https://pith.science/pith/7HMQIO2QVHW7G27NQ4FTWVEY77/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7HMQIO2QVHW7G27NQ4FTWVEY77/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":"2026-08-09T00:12:59Z","links":{"resolver":"https://pith.science/pith/7HMQIO2QVHW7G27NQ4FTWVEY77","bundle":"https://pith.science/pith/7HMQIO2QVHW7G27NQ4FTWVEY77/bundle.json","state":"https://pith.science/pith/7HMQIO2QVHW7G27NQ4FTWVEY77/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7HMQIO2QVHW7G27NQ4FTWVEY77/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:7HMQIO2QVHW7G27NQ4FTWVEY77","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":"b258e506164575be5bfc534af9bed0e27f6471803b8b64425921e23a22b620d6","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2022-09-21T22:04:49Z","title_canon_sha256":"ea7c89a1fa2ef8f1c679179edd2c74180ce231dadfbd0fd28ea87832af3b8370"},"schema_version":"1.0","source":{"id":"2209.10679","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2209.10679","created_at":"2026-07-05T05:22:55Z"},{"alias_kind":"arxiv_version","alias_value":"2209.10679v1","created_at":"2026-07-05T05:22:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2209.10679","created_at":"2026-07-05T05:22:55Z"},{"alias_kind":"pith_short_12","alias_value":"7HMQIO2QVHW7","created_at":"2026-07-05T05:22:55Z"},{"alias_kind":"pith_short_16","alias_value":"7HMQIO2QVHW7G27N","created_at":"2026-07-05T05:22:55Z"},{"alias_kind":"pith_short_8","alias_value":"7HMQIO2Q","created_at":"2026-07-05T05:22:55Z"}],"graph_snapshots":[{"event_id":"sha256:fcbe5e30378b1ad526b3af3d451b6768721bfd821c8f35bca04e83394a7b887b","target":"graph","created_at":"2026-07-05T05:22:55Z","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/2209.10679/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The mass spectrum of $\\pi^+$ and $\\rho^+$ mesons in the presence of a static uniform magnetic field $\\vec B$ is studied within a two-flavor NJL-like model. We improve previous calculations taking into account the effect of Schwinger phases carried by quark propagators, and using an expansion of meson fields in terms of the solutions of the corresponding equations of motion for nonzero $B$. It is shown that the meson polarization functions are diagonal in this basis. Our numerical results for the $\\rho^+$ meson spectrum are found to disfavor the existence of a meson condensate induced by the ma","authors_text":"D. Gomez Dumm, J.P. Carlomagno, M.F. Izzo Villafa\\~ne, N.N. Scoccola, S. Noguera","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2022-09-21T22:04:49Z","title":"Charged pseudoscalar and vector meson masses under strong magnetic fields in an extended NJL model"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2209.10679","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":"sha256:2e02ba171e8a8e87c73920f3efab66f4a348f173f5a2f93e05cd077e9a754caa","target":"record","created_at":"2026-07-05T05:22:55Z","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":"b258e506164575be5bfc534af9bed0e27f6471803b8b64425921e23a22b620d6","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2022-09-21T22:04:49Z","title_canon_sha256":"ea7c89a1fa2ef8f1c679179edd2c74180ce231dadfbd0fd28ea87832af3b8370"},"schema_version":"1.0","source":{"id":"2209.10679","kind":"arxiv","version":1}},"canonical_sha256":"f9d9043b50a9edf36bed870b3b5498ffc99e983f6d5ab56efd4f7d3c198ff1f9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f9d9043b50a9edf36bed870b3b5498ffc99e983f6d5ab56efd4f7d3c198ff1f9","first_computed_at":"2026-07-05T05:22:55.195395Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T05:22:55.195395Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"TiirYH6YTEK0jI6jaH8V2pY/NF/LSuIZk35IEeYPQz/A9ysRFeQapwZWMWiDBnXC4enH4P+8EKE2A2C+UB1BAw==","signature_status":"signed_v1","signed_at":"2026-07-05T05:22:55.195921Z","signed_message":"canonical_sha256_bytes"},"source_id":"2209.10679","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2e02ba171e8a8e87c73920f3efab66f4a348f173f5a2f93e05cd077e9a754caa","sha256:fcbe5e30378b1ad526b3af3d451b6768721bfd821c8f35bca04e83394a7b887b"],"state_sha256":"5cf01cf30974efbc94499516c6df34c8acb2a5a0da4221b05e38ad569c99a479"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FU2CjEFBvIA3M/pCHk+7+3UprVcYfKOykZgt2ZhEOuGEBXxBj11ZmMqJXwJeoEQH5i3siq8IKG3uhQ44R7HSDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-09T00:12:59.169143Z","bundle_sha256":"b8416a0fd390010f8fd621d60fbf6e1940f6cd36b46064aa11e8900e13e3879f"}}