{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:JA75Z4R36VQTOZWELMFIYSZXD5","short_pith_number":"pith:JA75Z4R3","canonical_record":{"source":{"id":"1812.05354","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2018-12-13T10:48:50Z","cross_cats_sorted":[],"title_canon_sha256":"a4c4484cc17f971b33e6000dae7a1960a1405e5ad91ef84d2492e3a7d609f9bd","abstract_canon_sha256":"f54e1c8f71aa75ddb7ea8bc76f19ad4d75208bef8aeb8ed3f0f8b234ae109bbc"},"schema_version":"1.0"},"canonical_sha256":"483fdcf23bf5613766c45b0a8c4b371f7c92258a8a4052bb5bb2ac4a031fa5ab","source":{"kind":"arxiv","id":"1812.05354","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1812.05354","created_at":"2026-05-17T23:58:23Z"},{"alias_kind":"arxiv_version","alias_value":"1812.05354v1","created_at":"2026-05-17T23:58:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1812.05354","created_at":"2026-05-17T23:58:23Z"},{"alias_kind":"pith_short_12","alias_value":"JA75Z4R36VQT","created_at":"2026-05-18T12:32:31Z"},{"alias_kind":"pith_short_16","alias_value":"JA75Z4R36VQTOZWE","created_at":"2026-05-18T12:32:31Z"},{"alias_kind":"pith_short_8","alias_value":"JA75Z4R3","created_at":"2026-05-18T12:32:31Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:JA75Z4R36VQTOZWELMFIYSZXD5","target":"record","payload":{"canonical_record":{"source":{"id":"1812.05354","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2018-12-13T10:48:50Z","cross_cats_sorted":[],"title_canon_sha256":"a4c4484cc17f971b33e6000dae7a1960a1405e5ad91ef84d2492e3a7d609f9bd","abstract_canon_sha256":"f54e1c8f71aa75ddb7ea8bc76f19ad4d75208bef8aeb8ed3f0f8b234ae109bbc"},"schema_version":"1.0"},"canonical_sha256":"483fdcf23bf5613766c45b0a8c4b371f7c92258a8a4052bb5bb2ac4a031fa5ab","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:58:23.629038Z","signature_b64":"1gIWoK3P3uuSpOwMYC8Tu3VJh8rmGI2CEy4IQCDcEGbqVMpEaGC31SeiqEmlIvpY6MjHtrIyHRuO0gF+85PnDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"483fdcf23bf5613766c45b0a8c4b371f7c92258a8a4052bb5bb2ac4a031fa5ab","last_reissued_at":"2026-05-17T23:58:23.628270Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:58:23.628270Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1812.05354","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":"2026-05-17T23:58:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"U6Ds64fo6mpxy95ibKlnno/7oThjU/H+KWOP76RaFDxD6vUYI+xvNuDPn1SlvCGpopppxoyNaDORyTHXNkh6Cg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T15:46:23.402425Z"},"content_sha256":"43ebb16c14d8514bf12aa363bc30e3fa200e617b72bf1044febb997d842b6972","schema_version":"1.0","event_id":"sha256:43ebb16c14d8514bf12aa363bc30e3fa200e617b72bf1044febb997d842b6972"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:JA75Z4R36VQTOZWELMFIYSZXD5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The role of the thermal $f_0(500)$ or sigma in chiral symmetry restoration","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"A. G\\'omez Nicola, A. Vioque-Rodr\\'iguez","submitted_at":"2018-12-13T10:48:50Z","abstract_excerpt":"We analyze the $f_0(500)$ state generated as a pole of $\\pi\\pi$ scattering within unitarized low-energy effective theories at finite temperature. First, we report on the $\\sigma$ self-energy in the LSM, which is used as a benchmark in order to test the hypotheses carried out. The relation of that thermal pole with the scalar susceptibility is studied within a scalar saturation approach, which yields results complying with lattice data. The robustness and predictability of this method are studied in terms of the low-energy constants involved and the unitarization method. Our analysis highlights"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1812.05354","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":""},"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":"2026-05-17T23:58:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5DC1btHTiQDZHhby7QCi7qnTzdDMi9EGbl/IbEhWn/aSivHtCHAH8cpup1NghDfRPTZ19AnQ3Nah1OawXPgvBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T15:46:23.403160Z"},"content_sha256":"b7c849108a46b1d9862eb186d844072518f262b798c4b9fb0c6415bbc191b9b4","schema_version":"1.0","event_id":"sha256:b7c849108a46b1d9862eb186d844072518f262b798c4b9fb0c6415bbc191b9b4"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JA75Z4R36VQTOZWELMFIYSZXD5/bundle.json","state_url":"https://pith.science/pith/JA75Z4R36VQTOZWELMFIYSZXD5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JA75Z4R36VQTOZWELMFIYSZXD5/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":"2026-05-31T15:46:23Z","links":{"resolver":"https://pith.science/pith/JA75Z4R36VQTOZWELMFIYSZXD5","bundle":"https://pith.science/pith/JA75Z4R36VQTOZWELMFIYSZXD5/bundle.json","state":"https://pith.science/pith/JA75Z4R36VQTOZWELMFIYSZXD5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JA75Z4R36VQTOZWELMFIYSZXD5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:JA75Z4R36VQTOZWELMFIYSZXD5","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":"f54e1c8f71aa75ddb7ea8bc76f19ad4d75208bef8aeb8ed3f0f8b234ae109bbc","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2018-12-13T10:48:50Z","title_canon_sha256":"a4c4484cc17f971b33e6000dae7a1960a1405e5ad91ef84d2492e3a7d609f9bd"},"schema_version":"1.0","source":{"id":"1812.05354","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1812.05354","created_at":"2026-05-17T23:58:23Z"},{"alias_kind":"arxiv_version","alias_value":"1812.05354v1","created_at":"2026-05-17T23:58:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1812.05354","created_at":"2026-05-17T23:58:23Z"},{"alias_kind":"pith_short_12","alias_value":"JA75Z4R36VQT","created_at":"2026-05-18T12:32:31Z"},{"alias_kind":"pith_short_16","alias_value":"JA75Z4R36VQTOZWE","created_at":"2026-05-18T12:32:31Z"},{"alias_kind":"pith_short_8","alias_value":"JA75Z4R3","created_at":"2026-05-18T12:32:31Z"}],"graph_snapshots":[{"event_id":"sha256:b7c849108a46b1d9862eb186d844072518f262b798c4b9fb0c6415bbc191b9b4","target":"graph","created_at":"2026-05-17T23:58:23Z","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":"We analyze the $f_0(500)$ state generated as a pole of $\\pi\\pi$ scattering within unitarized low-energy effective theories at finite temperature. First, we report on the $\\sigma$ self-energy in the LSM, which is used as a benchmark in order to test the hypotheses carried out. The relation of that thermal pole with the scalar susceptibility is studied within a scalar saturation approach, which yields results complying with lattice data. The robustness and predictability of this method are studied in terms of the low-energy constants involved and the unitarization method. Our analysis highlights","authors_text":"A. G\\'omez Nicola, A. Vioque-Rodr\\'iguez","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2018-12-13T10:48:50Z","title":"The role of the thermal $f_0(500)$ or sigma in chiral symmetry restoration"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1812.05354","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":"sha256:43ebb16c14d8514bf12aa363bc30e3fa200e617b72bf1044febb997d842b6972","target":"record","created_at":"2026-05-17T23:58:23Z","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":"f54e1c8f71aa75ddb7ea8bc76f19ad4d75208bef8aeb8ed3f0f8b234ae109bbc","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2018-12-13T10:48:50Z","title_canon_sha256":"a4c4484cc17f971b33e6000dae7a1960a1405e5ad91ef84d2492e3a7d609f9bd"},"schema_version":"1.0","source":{"id":"1812.05354","kind":"arxiv","version":1}},"canonical_sha256":"483fdcf23bf5613766c45b0a8c4b371f7c92258a8a4052bb5bb2ac4a031fa5ab","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"483fdcf23bf5613766c45b0a8c4b371f7c92258a8a4052bb5bb2ac4a031fa5ab","first_computed_at":"2026-05-17T23:58:23.628270Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:58:23.628270Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"1gIWoK3P3uuSpOwMYC8Tu3VJh8rmGI2CEy4IQCDcEGbqVMpEaGC31SeiqEmlIvpY6MjHtrIyHRuO0gF+85PnDQ==","signature_status":"signed_v1","signed_at":"2026-05-17T23:58:23.629038Z","signed_message":"canonical_sha256_bytes"},"source_id":"1812.05354","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:43ebb16c14d8514bf12aa363bc30e3fa200e617b72bf1044febb997d842b6972","sha256:b7c849108a46b1d9862eb186d844072518f262b798c4b9fb0c6415bbc191b9b4"],"state_sha256":"83d7fbe221c3454630881c5243f63a1e3b29292f55b65067d264eb22f6f479c2"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6B01V8pmZEDxq6Ykvv+sh8HY96raVAguzo34HDUVyBkGWPVTPJy0uwIn5E2n12Shv55FsM6A3yIx8fGYC01kCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T15:46:23.406935Z","bundle_sha256":"dc534908d615e1752e8690a2988ab7e5e998c6720a2a2ac10562c55da278d026"}}