{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:YTHGBBYCE4YUDNY2Q5J7GFRNFE","short_pith_number":"pith:YTHGBBYC","canonical_record":{"source":{"id":"1509.03345","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2015-09-10T21:49:48Z","cross_cats_sorted":["hep-lat","nucl-th"],"title_canon_sha256":"f78984bec4f0efb1b92c41901ae124e5198091721641d09a18fb74896db33692","abstract_canon_sha256":"7e83c816985b2da7ec2c7c1852d37edc7ecd1947543b56e1f4cd38c24e43a234"},"schema_version":"1.0"},"canonical_sha256":"c4ce608702273141b71a8753f3162d29372984f990ff8da7b740c22b8619bae9","source":{"kind":"arxiv","id":"1509.03345","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1509.03345","created_at":"2026-05-18T01:25:31Z"},{"alias_kind":"arxiv_version","alias_value":"1509.03345v2","created_at":"2026-05-18T01:25:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1509.03345","created_at":"2026-05-18T01:25:31Z"},{"alias_kind":"pith_short_12","alias_value":"YTHGBBYCE4YU","created_at":"2026-05-18T12:29:52Z"},{"alias_kind":"pith_short_16","alias_value":"YTHGBBYCE4YUDNY2","created_at":"2026-05-18T12:29:52Z"},{"alias_kind":"pith_short_8","alias_value":"YTHGBBYC","created_at":"2026-05-18T12:29:52Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:YTHGBBYCE4YUDNY2Q5J7GFRNFE","target":"record","payload":{"canonical_record":{"source":{"id":"1509.03345","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2015-09-10T21:49:48Z","cross_cats_sorted":["hep-lat","nucl-th"],"title_canon_sha256":"f78984bec4f0efb1b92c41901ae124e5198091721641d09a18fb74896db33692","abstract_canon_sha256":"7e83c816985b2da7ec2c7c1852d37edc7ecd1947543b56e1f4cd38c24e43a234"},"schema_version":"1.0"},"canonical_sha256":"c4ce608702273141b71a8753f3162d29372984f990ff8da7b740c22b8619bae9","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:25:31.338866Z","signature_b64":"dEIeeqmKDoR7G5vfq1FeF0+nqDv10D88WHxjOUaKcY81AvVIqVsqD8naMTDb/1nUqRPygacBr+yxjL/DlHJ2BQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c4ce608702273141b71a8753f3162d29372984f990ff8da7b740c22b8619bae9","last_reissued_at":"2026-05-18T01:25:31.338366Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:25:31.338366Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1509.03345","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":"2026-05-18T01:25:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DoeUXU5Rc5Z0oeJNhcHA5sdWDFxNtBQs3MhvPf21Sn1JXBpthC4SoFQkVziT+AXLOM2GXuOevAjtcWSPFhyxDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T20:56:00.810107Z"},"content_sha256":"bf5d8ddb215cac81263d92fca91a26a5bd78e56be30e223cba3a2fb29045a009","schema_version":"1.0","event_id":"sha256:bf5d8ddb215cac81263d92fca91a26a5bd78e56be30e223cba3a2fb29045a009"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:YTHGBBYCE4YUDNY2Q5J7GFRNFE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The magnetized effective QCD phase diagram","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-lat","nucl-th"],"primary_cat":"hep-ph","authors_text":"Alejandro Ayala, C. A. Dominguez, L. A. Hernandez, M. Loewe, R. Zamora","submitted_at":"2015-09-10T21:49:48Z","abstract_excerpt":"The QCD phase diagram in the temperature versus quark chemical potential plane is studied in the presence of a magnetic field, using the linear sigma model coupled to quarks. It is shown that the decrease of the couplings with increasing field strength obtained in this model leads to the critical temperature for the phase transition to decrease with increasing field intensity (inverse magnetic catalysis). This happens provided that plasma screening is properly accounted for. It is also found that with increasing field strength the location of the critical end point (CEP) in the phase diagram m"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1509.03345","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":"2026-05-18T01:25:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ryw3emQgzroIpOCeKyjX/2xU4VYWK+OCxs8UO03E6aWjng+lJ1Thq1ozUqiIljl0Wwedx2THo7g7+lqGl2zSDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T20:56:00.810828Z"},"content_sha256":"48b206755228ec89c6f75d11a0fd1f2330db96cdb0889f3057f6e5823d9f678d","schema_version":"1.0","event_id":"sha256:48b206755228ec89c6f75d11a0fd1f2330db96cdb0889f3057f6e5823d9f678d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YTHGBBYCE4YUDNY2Q5J7GFRNFE/bundle.json","state_url":"https://pith.science/pith/YTHGBBYCE4YUDNY2Q5J7GFRNFE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YTHGBBYCE4YUDNY2Q5J7GFRNFE/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":"2026-05-26T20:56:00Z","links":{"resolver":"https://pith.science/pith/YTHGBBYCE4YUDNY2Q5J7GFRNFE","bundle":"https://pith.science/pith/YTHGBBYCE4YUDNY2Q5J7GFRNFE/bundle.json","state":"https://pith.science/pith/YTHGBBYCE4YUDNY2Q5J7GFRNFE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YTHGBBYCE4YUDNY2Q5J7GFRNFE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:YTHGBBYCE4YUDNY2Q5J7GFRNFE","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":"7e83c816985b2da7ec2c7c1852d37edc7ecd1947543b56e1f4cd38c24e43a234","cross_cats_sorted":["hep-lat","nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2015-09-10T21:49:48Z","title_canon_sha256":"f78984bec4f0efb1b92c41901ae124e5198091721641d09a18fb74896db33692"},"schema_version":"1.0","source":{"id":"1509.03345","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1509.03345","created_at":"2026-05-18T01:25:31Z"},{"alias_kind":"arxiv_version","alias_value":"1509.03345v2","created_at":"2026-05-18T01:25:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1509.03345","created_at":"2026-05-18T01:25:31Z"},{"alias_kind":"pith_short_12","alias_value":"YTHGBBYCE4YU","created_at":"2026-05-18T12:29:52Z"},{"alias_kind":"pith_short_16","alias_value":"YTHGBBYCE4YUDNY2","created_at":"2026-05-18T12:29:52Z"},{"alias_kind":"pith_short_8","alias_value":"YTHGBBYC","created_at":"2026-05-18T12:29:52Z"}],"graph_snapshots":[{"event_id":"sha256:48b206755228ec89c6f75d11a0fd1f2330db96cdb0889f3057f6e5823d9f678d","target":"graph","created_at":"2026-05-18T01:25:31Z","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 QCD phase diagram in the temperature versus quark chemical potential plane is studied in the presence of a magnetic field, using the linear sigma model coupled to quarks. It is shown that the decrease of the couplings with increasing field strength obtained in this model leads to the critical temperature for the phase transition to decrease with increasing field intensity (inverse magnetic catalysis). This happens provided that plasma screening is properly accounted for. It is also found that with increasing field strength the location of the critical end point (CEP) in the phase diagram m","authors_text":"Alejandro Ayala, C. A. Dominguez, L. A. Hernandez, M. Loewe, R. Zamora","cross_cats":["hep-lat","nucl-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2015-09-10T21:49:48Z","title":"The magnetized effective QCD phase diagram"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1509.03345","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:bf5d8ddb215cac81263d92fca91a26a5bd78e56be30e223cba3a2fb29045a009","target":"record","created_at":"2026-05-18T01:25:31Z","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":"7e83c816985b2da7ec2c7c1852d37edc7ecd1947543b56e1f4cd38c24e43a234","cross_cats_sorted":["hep-lat","nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2015-09-10T21:49:48Z","title_canon_sha256":"f78984bec4f0efb1b92c41901ae124e5198091721641d09a18fb74896db33692"},"schema_version":"1.0","source":{"id":"1509.03345","kind":"arxiv","version":2}},"canonical_sha256":"c4ce608702273141b71a8753f3162d29372984f990ff8da7b740c22b8619bae9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c4ce608702273141b71a8753f3162d29372984f990ff8da7b740c22b8619bae9","first_computed_at":"2026-05-18T01:25:31.338366Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:25:31.338366Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"dEIeeqmKDoR7G5vfq1FeF0+nqDv10D88WHxjOUaKcY81AvVIqVsqD8naMTDb/1nUqRPygacBr+yxjL/DlHJ2BQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:25:31.338866Z","signed_message":"canonical_sha256_bytes"},"source_id":"1509.03345","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:bf5d8ddb215cac81263d92fca91a26a5bd78e56be30e223cba3a2fb29045a009","sha256:48b206755228ec89c6f75d11a0fd1f2330db96cdb0889f3057f6e5823d9f678d"],"state_sha256":"e0710d37b6353792263f11557dca25915fcba9f2d28b9c78f9fa2c4e3efb7e97"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8ZDMv1ctdIjCUxOMKhxvZ4jL0WdWi6GIAnyRoqMx3He8TTWx8k/h646y2o/kXQo9ni2d56DPCbAsxRKTbsLaAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T20:56:00.814333Z","bundle_sha256":"3bd27bf37d61817dfc32c3cf22fd0e82a18bbb872f154565f73459991c59f5e6"}}