{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:PPJ2IU7FCAIR2YPFFHYU5PH4AG","short_pith_number":"pith:PPJ2IU7F","canonical_record":{"source":{"id":"2201.08008","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"hep-lat","submitted_at":"2022-01-20T05:41:09Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"dfcd081af747c95f93e65f4db5593699c6bd7184e743bf427fbe5bf04c14b005","abstract_canon_sha256":"ab2ecbc3d6e999187d0c94f44b809bee2b77fb5d01b03df99f5d82db4b1ca405"},"schema_version":"1.0"},"canonical_sha256":"7bd3a453e510111d61e529f14ebcfc0180a46244f1f2dc2f921629a7c99fb60b","source":{"kind":"arxiv","id":"2201.08008","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2201.08008","created_at":"2026-07-05T04:03:15Z"},{"alias_kind":"arxiv_version","alias_value":"2201.08008v2","created_at":"2026-07-05T04:03:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2201.08008","created_at":"2026-07-05T04:03:15Z"},{"alias_kind":"pith_short_12","alias_value":"PPJ2IU7FCAIR","created_at":"2026-07-05T04:03:15Z"},{"alias_kind":"pith_short_16","alias_value":"PPJ2IU7FCAIR2YPF","created_at":"2026-07-05T04:03:15Z"},{"alias_kind":"pith_short_8","alias_value":"PPJ2IU7F","created_at":"2026-07-05T04:03:15Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:PPJ2IU7FCAIR2YPFFHYU5PH4AG","target":"record","payload":{"canonical_record":{"source":{"id":"2201.08008","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"hep-lat","submitted_at":"2022-01-20T05:41:09Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"dfcd081af747c95f93e65f4db5593699c6bd7184e743bf427fbe5bf04c14b005","abstract_canon_sha256":"ab2ecbc3d6e999187d0c94f44b809bee2b77fb5d01b03df99f5d82db4b1ca405"},"schema_version":"1.0"},"canonical_sha256":"7bd3a453e510111d61e529f14ebcfc0180a46244f1f2dc2f921629a7c99fb60b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:03:15.420867Z","signature_b64":"DKp0K5Tx+pKIj6xDK1ewtDB8vuRVBNWa6oz6N4JS27srG0nHywJhpQUWWOoxJaXLpD+hmnGYsXr6cJzSVzJFBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7bd3a453e510111d61e529f14ebcfc0180a46244f1f2dc2f921629a7c99fb60b","last_reissued_at":"2026-07-05T04:03:15.420385Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:03:15.420385Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2201.08008","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":"2026-07-05T04:03:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XdI/UvczZ2O78bfv9eEvKyOp7RFqig6WhFF28xOjsrqU5jHuz/nvq9UstJDb/Hm7BF02Wr9hjEKNO/HZHfd0Cg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-11T14:49:01.778651Z"},"content_sha256":"a95ece8473e1d8dc1dccf2735ab0cdb2362c71c48246386af5ecc4608b7c6262","schema_version":"1.0","event_id":"sha256:a95ece8473e1d8dc1dccf2735ab0cdb2362c71c48246386af5ecc4608b7c6262"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:PPJ2IU7FCAIR2YPFFHYU5PH4AG","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"New insight in the 2-flavor Schwinger model based on lattice simulations","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":["hep-ph"],"primary_cat":"hep-lat","authors_text":"Ivan Hip, Jaime Fabi\\'an Nieto Castellanos, Wolfgang Bietenholz","submitted_at":"2022-01-20T05:41:09Z","abstract_excerpt":"We consider the Schwinger model with two degenerate, light fermion flavors by means of lattice simulations. At finite temperature, we probe the viability of a bosonization method by Hosotani et al. Next we explore an analogue to the pion decay constant, which agrees for independent formulations based on the Gell-Mann--Oakes--Renner relation, the 2-dimensional Witten--Veneziano formula and the $\\delta$-regime. Finally we confront several conjectures about the chiral condensate with lattice results."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2201.08008","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/2201.08008/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":"2026-07-05T04:03:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"l+FnOoiUmz147Yhvdz/nYOV985gvF1MCTsfNzWrukm8TsCfxIXXQrDPVkSz71qcJzTYFNKHQyJTgli1joWCYBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-11T14:49:01.779305Z"},"content_sha256":"dbac4ea7126464579c5e57351d533bd2f03a50dd75ebac7e9f6c430816c1b1fd","schema_version":"1.0","event_id":"sha256:dbac4ea7126464579c5e57351d533bd2f03a50dd75ebac7e9f6c430816c1b1fd"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/PPJ2IU7FCAIR2YPFFHYU5PH4AG/bundle.json","state_url":"https://pith.science/pith/PPJ2IU7FCAIR2YPFFHYU5PH4AG/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/PPJ2IU7FCAIR2YPFFHYU5PH4AG/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":"2026-08-11T14:49:01Z","links":{"resolver":"https://pith.science/pith/PPJ2IU7FCAIR2YPFFHYU5PH4AG","bundle":"https://pith.science/pith/PPJ2IU7FCAIR2YPFFHYU5PH4AG/bundle.json","state":"https://pith.science/pith/PPJ2IU7FCAIR2YPFFHYU5PH4AG/state.json","well_known_bundle":"https://pith.science/.well-known/pith/PPJ2IU7FCAIR2YPFFHYU5PH4AG/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:PPJ2IU7FCAIR2YPFFHYU5PH4AG","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":"ab2ecbc3d6e999187d0c94f44b809bee2b77fb5d01b03df99f5d82db4b1ca405","cross_cats_sorted":["hep-ph"],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"hep-lat","submitted_at":"2022-01-20T05:41:09Z","title_canon_sha256":"dfcd081af747c95f93e65f4db5593699c6bd7184e743bf427fbe5bf04c14b005"},"schema_version":"1.0","source":{"id":"2201.08008","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2201.08008","created_at":"2026-07-05T04:03:15Z"},{"alias_kind":"arxiv_version","alias_value":"2201.08008v2","created_at":"2026-07-05T04:03:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2201.08008","created_at":"2026-07-05T04:03:15Z"},{"alias_kind":"pith_short_12","alias_value":"PPJ2IU7FCAIR","created_at":"2026-07-05T04:03:15Z"},{"alias_kind":"pith_short_16","alias_value":"PPJ2IU7FCAIR2YPF","created_at":"2026-07-05T04:03:15Z"},{"alias_kind":"pith_short_8","alias_value":"PPJ2IU7F","created_at":"2026-07-05T04:03:15Z"}],"graph_snapshots":[{"event_id":"sha256:dbac4ea7126464579c5e57351d533bd2f03a50dd75ebac7e9f6c430816c1b1fd","target":"graph","created_at":"2026-07-05T04:03:15Z","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/2201.08008/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We consider the Schwinger model with two degenerate, light fermion flavors by means of lattice simulations. At finite temperature, we probe the viability of a bosonization method by Hosotani et al. Next we explore an analogue to the pion decay constant, which agrees for independent formulations based on the Gell-Mann--Oakes--Renner relation, the 2-dimensional Witten--Veneziano formula and the $\\delta$-regime. Finally we confront several conjectures about the chiral condensate with lattice results.","authors_text":"Ivan Hip, Jaime Fabi\\'an Nieto Castellanos, Wolfgang Bietenholz","cross_cats":["hep-ph"],"headline":"","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"hep-lat","submitted_at":"2022-01-20T05:41:09Z","title":"New insight in the 2-flavor Schwinger model based on lattice simulations"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2201.08008","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:a95ece8473e1d8dc1dccf2735ab0cdb2362c71c48246386af5ecc4608b7c6262","target":"record","created_at":"2026-07-05T04:03:15Z","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":"ab2ecbc3d6e999187d0c94f44b809bee2b77fb5d01b03df99f5d82db4b1ca405","cross_cats_sorted":["hep-ph"],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"hep-lat","submitted_at":"2022-01-20T05:41:09Z","title_canon_sha256":"dfcd081af747c95f93e65f4db5593699c6bd7184e743bf427fbe5bf04c14b005"},"schema_version":"1.0","source":{"id":"2201.08008","kind":"arxiv","version":2}},"canonical_sha256":"7bd3a453e510111d61e529f14ebcfc0180a46244f1f2dc2f921629a7c99fb60b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7bd3a453e510111d61e529f14ebcfc0180a46244f1f2dc2f921629a7c99fb60b","first_computed_at":"2026-07-05T04:03:15.420385Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:03:15.420385Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"DKp0K5Tx+pKIj6xDK1ewtDB8vuRVBNWa6oz6N4JS27srG0nHywJhpQUWWOoxJaXLpD+hmnGYsXr6cJzSVzJFBA==","signature_status":"signed_v1","signed_at":"2026-07-05T04:03:15.420867Z","signed_message":"canonical_sha256_bytes"},"source_id":"2201.08008","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a95ece8473e1d8dc1dccf2735ab0cdb2362c71c48246386af5ecc4608b7c6262","sha256:dbac4ea7126464579c5e57351d533bd2f03a50dd75ebac7e9f6c430816c1b1fd"],"state_sha256":"e398f7375580f29120487b490e9c4fa45aa85e067f42066c0a46343cae1437ce"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SU57y9dJq1MYqb11wYZ0ZFYVSKJBWAFb5RPsf+mlSXuCkK8+0pyfJbP3gRmwrwRJm/VmdrnfkRePZZD/6cQNCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-11T14:49:01.785651Z","bundle_sha256":"c7becb9684748ad34bb91e8f2c52a982c15a6aceb168676d558f1b1aafdd30bf"}}