{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:4CX3KLUVHLDP7X6BSB5F6I7QIM","short_pith_number":"pith:4CX3KLUV","canonical_record":{"source":{"id":"1901.06445","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2019-01-19T00:07:09Z","cross_cats_sorted":[],"title_canon_sha256":"3ed5da28693cb47e5ffe1bdba9c67c3a97844cf319ba07d6477806297590b07d","abstract_canon_sha256":"e67cc2afe98a8748b77495271fc71c16937cfb9c1cd88d6be0f690b0b1ccdfe1"},"schema_version":"1.0"},"canonical_sha256":"e0afb52e953ac6ffdfc1907a5f23f0432dce91db235c89ba0688e28c4df30f63","source":{"kind":"arxiv","id":"1901.06445","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1901.06445","created_at":"2026-05-17T23:55:50Z"},{"alias_kind":"arxiv_version","alias_value":"1901.06445v1","created_at":"2026-05-17T23:55:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1901.06445","created_at":"2026-05-17T23:55:50Z"},{"alias_kind":"pith_short_12","alias_value":"4CX3KLUVHLDP","created_at":"2026-05-18T12:33:10Z"},{"alias_kind":"pith_short_16","alias_value":"4CX3KLUVHLDP7X6B","created_at":"2026-05-18T12:33:10Z"},{"alias_kind":"pith_short_8","alias_value":"4CX3KLUV","created_at":"2026-05-18T12:33:10Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:4CX3KLUVHLDP7X6BSB5F6I7QIM","target":"record","payload":{"canonical_record":{"source":{"id":"1901.06445","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2019-01-19T00:07:09Z","cross_cats_sorted":[],"title_canon_sha256":"3ed5da28693cb47e5ffe1bdba9c67c3a97844cf319ba07d6477806297590b07d","abstract_canon_sha256":"e67cc2afe98a8748b77495271fc71c16937cfb9c1cd88d6be0f690b0b1ccdfe1"},"schema_version":"1.0"},"canonical_sha256":"e0afb52e953ac6ffdfc1907a5f23f0432dce91db235c89ba0688e28c4df30f63","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:55:50.280196Z","signature_b64":"i4Z/a6oP8hvvsHFDgJWEhB1ZnBP32smtnJ5zrkuWxGi44AHyUnANGqqs7Sfzw3ugBs3HfmKZiYW43xIxqr4lBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e0afb52e953ac6ffdfc1907a5f23f0432dce91db235c89ba0688e28c4df30f63","last_reissued_at":"2026-05-17T23:55:50.279572Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:55:50.279572Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1901.06445","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":"2026-05-17T23:55:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yqRXj5lE/X4QzxgoBDk+SYcdCmAnnWr7bvwIKvTlvriQLAg+kCGS3cz17toWGSI9yx3xzsz1HeYXun/vkn0XCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T03:39:26.301865Z"},"content_sha256":"4c0582ba4b252688a5b4f77e8e647311d7e85dc28d74ac7436b51a18eb0f0796","schema_version":"1.0","event_id":"sha256:4c0582ba4b252688a5b4f77e8e647311d7e85dc28d74ac7436b51a18eb0f0796"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:4CX3KLUVHLDP7X6BSB5F6I7QIM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Soft Pions and More","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Stephen L. Adler","submitted_at":"2019-01-19T00:07:09Z","abstract_excerpt":"I review the role that soft pion theorems, current algebras, sum rules, and anomalies played in the foundation of the standard model."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1901.06445","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":"2026-05-17T23:55:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5YXIQ2vxv1X3mZdCvqic8otFa3RoaKiPuQdJnlcuwhSB7kpOWj1yZEnxqbj7HcauzECO9eLjihHhTviPdLzQCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T03:39:26.302542Z"},"content_sha256":"c6fb8af243c08e1cb052aef958693f785d1a7a4539403b4690bc926c2ebf618c","schema_version":"1.0","event_id":"sha256:c6fb8af243c08e1cb052aef958693f785d1a7a4539403b4690bc926c2ebf618c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4CX3KLUVHLDP7X6BSB5F6I7QIM/bundle.json","state_url":"https://pith.science/pith/4CX3KLUVHLDP7X6BSB5F6I7QIM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4CX3KLUVHLDP7X6BSB5F6I7QIM/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":"2026-05-31T03:39:26Z","links":{"resolver":"https://pith.science/pith/4CX3KLUVHLDP7X6BSB5F6I7QIM","bundle":"https://pith.science/pith/4CX3KLUVHLDP7X6BSB5F6I7QIM/bundle.json","state":"https://pith.science/pith/4CX3KLUVHLDP7X6BSB5F6I7QIM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4CX3KLUVHLDP7X6BSB5F6I7QIM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:4CX3KLUVHLDP7X6BSB5F6I7QIM","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":"e67cc2afe98a8748b77495271fc71c16937cfb9c1cd88d6be0f690b0b1ccdfe1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2019-01-19T00:07:09Z","title_canon_sha256":"3ed5da28693cb47e5ffe1bdba9c67c3a97844cf319ba07d6477806297590b07d"},"schema_version":"1.0","source":{"id":"1901.06445","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1901.06445","created_at":"2026-05-17T23:55:50Z"},{"alias_kind":"arxiv_version","alias_value":"1901.06445v1","created_at":"2026-05-17T23:55:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1901.06445","created_at":"2026-05-17T23:55:50Z"},{"alias_kind":"pith_short_12","alias_value":"4CX3KLUVHLDP","created_at":"2026-05-18T12:33:10Z"},{"alias_kind":"pith_short_16","alias_value":"4CX3KLUVHLDP7X6B","created_at":"2026-05-18T12:33:10Z"},{"alias_kind":"pith_short_8","alias_value":"4CX3KLUV","created_at":"2026-05-18T12:33:10Z"}],"graph_snapshots":[{"event_id":"sha256:c6fb8af243c08e1cb052aef958693f785d1a7a4539403b4690bc926c2ebf618c","target":"graph","created_at":"2026-05-17T23:55:50Z","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":"I review the role that soft pion theorems, current algebras, sum rules, and anomalies played in the foundation of the standard model.","authors_text":"Stephen L. Adler","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2019-01-19T00:07:09Z","title":"Soft Pions and More"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1901.06445","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":"sha256:4c0582ba4b252688a5b4f77e8e647311d7e85dc28d74ac7436b51a18eb0f0796","target":"record","created_at":"2026-05-17T23:55:50Z","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":"e67cc2afe98a8748b77495271fc71c16937cfb9c1cd88d6be0f690b0b1ccdfe1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2019-01-19T00:07:09Z","title_canon_sha256":"3ed5da28693cb47e5ffe1bdba9c67c3a97844cf319ba07d6477806297590b07d"},"schema_version":"1.0","source":{"id":"1901.06445","kind":"arxiv","version":1}},"canonical_sha256":"e0afb52e953ac6ffdfc1907a5f23f0432dce91db235c89ba0688e28c4df30f63","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e0afb52e953ac6ffdfc1907a5f23f0432dce91db235c89ba0688e28c4df30f63","first_computed_at":"2026-05-17T23:55:50.279572Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:55:50.279572Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"i4Z/a6oP8hvvsHFDgJWEhB1ZnBP32smtnJ5zrkuWxGi44AHyUnANGqqs7Sfzw3ugBs3HfmKZiYW43xIxqr4lBw==","signature_status":"signed_v1","signed_at":"2026-05-17T23:55:50.280196Z","signed_message":"canonical_sha256_bytes"},"source_id":"1901.06445","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4c0582ba4b252688a5b4f77e8e647311d7e85dc28d74ac7436b51a18eb0f0796","sha256:c6fb8af243c08e1cb052aef958693f785d1a7a4539403b4690bc926c2ebf618c"],"state_sha256":"f7d2200686d383ddb023fe1e0c55b47a7b63e0c42764cb4a8c361758231812b2"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"exbHFQ8wQtKwMxf2WDta4zVlApmbwoexAGlJFCQvZMu6TFTnDZEKqaBxpPn4RLdyaTFfOEMZsi08wXivtCDnAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T03:39:26.306112Z","bundle_sha256":"ac5bed14d64327547060df997ae1296bb5c7cb4b07b989a1332ccc3af90ef544"}}