{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:1996:6E7E5ANEL3J5E6JQ7PP4LUQZXO","short_pith_number":"pith:6E7E5ANE","canonical_record":{"source":{"id":"hep-ph/9601316","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-ph","submitted_at":"1996-01-23T17:36:10Z","cross_cats_sorted":[],"title_canon_sha256":"dea3d8e32f522c24127bc63d8f16831cd2f3a6e8509af156c351ea3788ff9628","abstract_canon_sha256":"df52cf744719f87c3f81477c25b2e550ef1c707bb6487a36a076fcaaf136e9a2"},"schema_version":"1.0"},"canonical_sha256":"f13e4e81a45ed3d27930fbdfc5d219bb85fe2d5146c393937fb9ac45405bf6fa","source":{"kind":"arxiv","id":"hep-ph/9601316","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-ph/9601316","created_at":"2026-05-18T02:37:12Z"},{"alias_kind":"arxiv_version","alias_value":"hep-ph/9601316v1","created_at":"2026-05-18T02:37:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ph/9601316","created_at":"2026-05-18T02:37:12Z"},{"alias_kind":"pith_short_12","alias_value":"6E7E5ANEL3J5","created_at":"2026-05-18T12:25:47Z"},{"alias_kind":"pith_short_16","alias_value":"6E7E5ANEL3J5E6JQ","created_at":"2026-05-18T12:25:47Z"},{"alias_kind":"pith_short_8","alias_value":"6E7E5ANE","created_at":"2026-05-18T12:25:47Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:1996:6E7E5ANEL3J5E6JQ7PP4LUQZXO","target":"record","payload":{"canonical_record":{"source":{"id":"hep-ph/9601316","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-ph","submitted_at":"1996-01-23T17:36:10Z","cross_cats_sorted":[],"title_canon_sha256":"dea3d8e32f522c24127bc63d8f16831cd2f3a6e8509af156c351ea3788ff9628","abstract_canon_sha256":"df52cf744719f87c3f81477c25b2e550ef1c707bb6487a36a076fcaaf136e9a2"},"schema_version":"1.0"},"canonical_sha256":"f13e4e81a45ed3d27930fbdfc5d219bb85fe2d5146c393937fb9ac45405bf6fa","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:37:12.098988Z","signature_b64":"QtjSwV23G47ClhuQ6F6fpyVF+8XpJ+elVAS9j4COZFkhEox7ewy48k2xvP7Zx32THDsAKmhbKFJ2bvTbfkk6CA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f13e4e81a45ed3d27930fbdfc5d219bb85fe2d5146c393937fb9ac45405bf6fa","last_reissued_at":"2026-05-18T02:37:12.098447Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:37:12.098447Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"hep-ph/9601316","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":"2026-05-18T02:37:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xoK/bI7zpAJyX+CDO9BIm6AG+XFBCO14N8RrvRZBh+Y7aCUq3r/Doz0h+3qkbr7Gl6uQXCn9LDDYO/bYOFzvCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T17:29:08.689802Z"},"content_sha256":"5ffc2e2006fd3065cc5050ee4a0253c57199f01cc1ff5fae8da05347833fa677","schema_version":"1.0","event_id":"sha256:5ffc2e2006fd3065cc5050ee4a0253c57199f01cc1ff5fae8da05347833fa677"},{"event_type":"graph_snapshot","subject_pith_number":"pith:1996:6E7E5ANEL3J5E6JQ7PP4LUQZXO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Anomalous mesonic interactions near a chiral phase transition","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Robert D. Pisarski","submitted_at":"1996-01-23T17:36:10Z","abstract_excerpt":"Using constituent quarks coupled to a linear sigma model at nonzero temperature, I show that many anomalous mesonic amplitudes, such as $\\pi^0 \\rightarrow \\gamma \\gamma$, vanish in a chirally symmetric phase. Processes which are allowed, such as $\\pi^0 \\sigma \\rightarrow \\gamma \\gamma$, are computed to leading order in a loop expansion."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/9601316","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":"2026-05-18T02:37:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yG8Q0PEuekiG61scJZmrnY5pMN3UNXvP8fCjNJzA/ixj0Lx6eWj1rldTGVX3QhFnSiFYKYTfTfC1DtNMl98oBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T17:29:08.690152Z"},"content_sha256":"d405771a28e2377e63e6a090d0623b34662c811ae478ef2e4b2237bcc4f4706c","schema_version":"1.0","event_id":"sha256:d405771a28e2377e63e6a090d0623b34662c811ae478ef2e4b2237bcc4f4706c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6E7E5ANEL3J5E6JQ7PP4LUQZXO/bundle.json","state_url":"https://pith.science/pith/6E7E5ANEL3J5E6JQ7PP4LUQZXO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6E7E5ANEL3J5E6JQ7PP4LUQZXO/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":"2026-05-30T17:29:08Z","links":{"resolver":"https://pith.science/pith/6E7E5ANEL3J5E6JQ7PP4LUQZXO","bundle":"https://pith.science/pith/6E7E5ANEL3J5E6JQ7PP4LUQZXO/bundle.json","state":"https://pith.science/pith/6E7E5ANEL3J5E6JQ7PP4LUQZXO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6E7E5ANEL3J5E6JQ7PP4LUQZXO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1996:6E7E5ANEL3J5E6JQ7PP4LUQZXO","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":"df52cf744719f87c3f81477c25b2e550ef1c707bb6487a36a076fcaaf136e9a2","cross_cats_sorted":[],"license":"","primary_cat":"hep-ph","submitted_at":"1996-01-23T17:36:10Z","title_canon_sha256":"dea3d8e32f522c24127bc63d8f16831cd2f3a6e8509af156c351ea3788ff9628"},"schema_version":"1.0","source":{"id":"hep-ph/9601316","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-ph/9601316","created_at":"2026-05-18T02:37:12Z"},{"alias_kind":"arxiv_version","alias_value":"hep-ph/9601316v1","created_at":"2026-05-18T02:37:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ph/9601316","created_at":"2026-05-18T02:37:12Z"},{"alias_kind":"pith_short_12","alias_value":"6E7E5ANEL3J5","created_at":"2026-05-18T12:25:47Z"},{"alias_kind":"pith_short_16","alias_value":"6E7E5ANEL3J5E6JQ","created_at":"2026-05-18T12:25:47Z"},{"alias_kind":"pith_short_8","alias_value":"6E7E5ANE","created_at":"2026-05-18T12:25:47Z"}],"graph_snapshots":[{"event_id":"sha256:d405771a28e2377e63e6a090d0623b34662c811ae478ef2e4b2237bcc4f4706c","target":"graph","created_at":"2026-05-18T02:37:12Z","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":"Using constituent quarks coupled to a linear sigma model at nonzero temperature, I show that many anomalous mesonic amplitudes, such as $\\pi^0 \\rightarrow \\gamma \\gamma$, vanish in a chirally symmetric phase. Processes which are allowed, such as $\\pi^0 \\sigma \\rightarrow \\gamma \\gamma$, are computed to leading order in a loop expansion.","authors_text":"Robert D. Pisarski","cross_cats":[],"headline":"","license":"","primary_cat":"hep-ph","submitted_at":"1996-01-23T17:36:10Z","title":"Anomalous mesonic interactions near a chiral phase transition"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/9601316","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":"sha256:5ffc2e2006fd3065cc5050ee4a0253c57199f01cc1ff5fae8da05347833fa677","target":"record","created_at":"2026-05-18T02:37:12Z","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":"df52cf744719f87c3f81477c25b2e550ef1c707bb6487a36a076fcaaf136e9a2","cross_cats_sorted":[],"license":"","primary_cat":"hep-ph","submitted_at":"1996-01-23T17:36:10Z","title_canon_sha256":"dea3d8e32f522c24127bc63d8f16831cd2f3a6e8509af156c351ea3788ff9628"},"schema_version":"1.0","source":{"id":"hep-ph/9601316","kind":"arxiv","version":1}},"canonical_sha256":"f13e4e81a45ed3d27930fbdfc5d219bb85fe2d5146c393937fb9ac45405bf6fa","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f13e4e81a45ed3d27930fbdfc5d219bb85fe2d5146c393937fb9ac45405bf6fa","first_computed_at":"2026-05-18T02:37:12.098447Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:37:12.098447Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"QtjSwV23G47ClhuQ6F6fpyVF+8XpJ+elVAS9j4COZFkhEox7ewy48k2xvP7Zx32THDsAKmhbKFJ2bvTbfkk6CA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:37:12.098988Z","signed_message":"canonical_sha256_bytes"},"source_id":"hep-ph/9601316","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5ffc2e2006fd3065cc5050ee4a0253c57199f01cc1ff5fae8da05347833fa677","sha256:d405771a28e2377e63e6a090d0623b34662c811ae478ef2e4b2237bcc4f4706c"],"state_sha256":"1ac14b0f82870df279bc1f96325b710c3a35b2e8d1fc8a98f1409e08c88b25e7"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nb+ZuW0tkpQqgq1oU34NvAii1uANuBw7m+vw0HHCUpaTU7PET6uUnqJdx8WWFeOmg/ePkEhyj7EUEJcTNlA/Aw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T17:29:08.692230Z","bundle_sha256":"04e4e130e06a7ea7e569bf1e89fbc25ede7bf69d012362d5e3cfc134b48ce521"}}