{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:G6EZVRLO6FXJFKXFU65NXH3UGY","short_pith_number":"pith:G6EZVRLO","canonical_record":{"source":{"id":"1810.07186","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2018-10-16T18:00:00Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"fa5527b1e51889be33f815e3e358e727da2c003ff2935b55c8fe1e137e56dc53","abstract_canon_sha256":"82750970fdca7c80f101a79fd45104da68e699e0162a4b254ae551691eeafaec"},"schema_version":"1.0"},"canonical_sha256":"37899ac56ef16e92aae5a7badb9f743601b8c50477112d900e04e24625ee1272","source":{"kind":"arxiv","id":"1810.07186","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1810.07186","created_at":"2026-05-17T23:47:29Z"},{"alias_kind":"arxiv_version","alias_value":"1810.07186v2","created_at":"2026-05-17T23:47:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.07186","created_at":"2026-05-17T23:47:29Z"},{"alias_kind":"pith_short_12","alias_value":"G6EZVRLO6FXJ","created_at":"2026-05-18T12:32:25Z"},{"alias_kind":"pith_short_16","alias_value":"G6EZVRLO6FXJFKXF","created_at":"2026-05-18T12:32:25Z"},{"alias_kind":"pith_short_8","alias_value":"G6EZVRLO","created_at":"2026-05-18T12:32:25Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:G6EZVRLO6FXJFKXFU65NXH3UGY","target":"record","payload":{"canonical_record":{"source":{"id":"1810.07186","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2018-10-16T18:00:00Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"fa5527b1e51889be33f815e3e358e727da2c003ff2935b55c8fe1e137e56dc53","abstract_canon_sha256":"82750970fdca7c80f101a79fd45104da68e699e0162a4b254ae551691eeafaec"},"schema_version":"1.0"},"canonical_sha256":"37899ac56ef16e92aae5a7badb9f743601b8c50477112d900e04e24625ee1272","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:47:29.974390Z","signature_b64":"kK7lvaD+7yJ2p3nATu7NA1wbRJaVoKIUb7xVK1muOc3ZG0z4yQYOWVkiOxi2u8T0ddGUqCSLpMSrvL+KLpJBDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"37899ac56ef16e92aae5a7badb9f743601b8c50477112d900e04e24625ee1272","last_reissued_at":"2026-05-17T23:47:29.973914Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:47:29.973914Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1810.07186","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":"2026-05-17T23:47:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CuEL15itvtX4DH2trLWGgjjhAiDfQRSXH6Tu7Pr2FI3Rf6eeoMH0V4kvJgmUmSS2PbTyHlHTPD1WaGLRKVN1CA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T13:03:11.824044Z"},"content_sha256":"9ff0049ff9fcc34ed4f5a81f2792418f39ccbcd86bb913b0bb863b2579ec3c5e","schema_version":"1.0","event_id":"sha256:9ff0049ff9fcc34ed4f5a81f2792418f39ccbcd86bb913b0bb863b2579ec3c5e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:G6EZVRLO6FXJFKXFU65NXH3UGY","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Infrared Structure of Exceptional Scalar Theories","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ph"],"primary_cat":"hep-th","authors_text":"Zhewei Yin","submitted_at":"2018-10-16T18:00:00Z","abstract_excerpt":"Exceptional theories are a group of one-parameter scalar field theories with (enhanced) vanishing soft limits in the S-matrix elements. They include the nonlinear sigma model (NLSM), Dirac-Born-Infeld scalars and the special Galileon theory. The soft behavior results from the shift symmetry underlying these theories, which leads to Ward identities generating subleading single soft theorems as well as novel Berends-Giele recursion relations. Such an approach was first applied to NLSM in 1709.08639 and 1804.08629, and here we use it to systematically study other exceptional scalar field theories"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.07186","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":"2026-05-17T23:47:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8lXrwcv3D0WUXkIdK1inUs5mwKzd8lpzC5El1gWZ8HPLd8NqZnIaBq2fMdpAIlzRGY6bhVi42JFHqfQFzxyHBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T13:03:11.824419Z"},"content_sha256":"309394457fe807eedaffe712431085304485784a5926c4da08a4a4837c6e4c27","schema_version":"1.0","event_id":"sha256:309394457fe807eedaffe712431085304485784a5926c4da08a4a4837c6e4c27"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/G6EZVRLO6FXJFKXFU65NXH3UGY/bundle.json","state_url":"https://pith.science/pith/G6EZVRLO6FXJFKXFU65NXH3UGY/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/G6EZVRLO6FXJFKXFU65NXH3UGY/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":"2026-05-30T13:03:11Z","links":{"resolver":"https://pith.science/pith/G6EZVRLO6FXJFKXFU65NXH3UGY","bundle":"https://pith.science/pith/G6EZVRLO6FXJFKXFU65NXH3UGY/bundle.json","state":"https://pith.science/pith/G6EZVRLO6FXJFKXFU65NXH3UGY/state.json","well_known_bundle":"https://pith.science/.well-known/pith/G6EZVRLO6FXJFKXFU65NXH3UGY/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:G6EZVRLO6FXJFKXFU65NXH3UGY","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":"82750970fdca7c80f101a79fd45104da68e699e0162a4b254ae551691eeafaec","cross_cats_sorted":["hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2018-10-16T18:00:00Z","title_canon_sha256":"fa5527b1e51889be33f815e3e358e727da2c003ff2935b55c8fe1e137e56dc53"},"schema_version":"1.0","source":{"id":"1810.07186","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1810.07186","created_at":"2026-05-17T23:47:29Z"},{"alias_kind":"arxiv_version","alias_value":"1810.07186v2","created_at":"2026-05-17T23:47:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.07186","created_at":"2026-05-17T23:47:29Z"},{"alias_kind":"pith_short_12","alias_value":"G6EZVRLO6FXJ","created_at":"2026-05-18T12:32:25Z"},{"alias_kind":"pith_short_16","alias_value":"G6EZVRLO6FXJFKXF","created_at":"2026-05-18T12:32:25Z"},{"alias_kind":"pith_short_8","alias_value":"G6EZVRLO","created_at":"2026-05-18T12:32:25Z"}],"graph_snapshots":[{"event_id":"sha256:309394457fe807eedaffe712431085304485784a5926c4da08a4a4837c6e4c27","target":"graph","created_at":"2026-05-17T23:47:29Z","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":"Exceptional theories are a group of one-parameter scalar field theories with (enhanced) vanishing soft limits in the S-matrix elements. They include the nonlinear sigma model (NLSM), Dirac-Born-Infeld scalars and the special Galileon theory. The soft behavior results from the shift symmetry underlying these theories, which leads to Ward identities generating subleading single soft theorems as well as novel Berends-Giele recursion relations. Such an approach was first applied to NLSM in 1709.08639 and 1804.08629, and here we use it to systematically study other exceptional scalar field theories","authors_text":"Zhewei Yin","cross_cats":["hep-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2018-10-16T18:00:00Z","title":"The Infrared Structure of Exceptional Scalar Theories"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.07186","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":"sha256:9ff0049ff9fcc34ed4f5a81f2792418f39ccbcd86bb913b0bb863b2579ec3c5e","target":"record","created_at":"2026-05-17T23:47:29Z","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":"82750970fdca7c80f101a79fd45104da68e699e0162a4b254ae551691eeafaec","cross_cats_sorted":["hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2018-10-16T18:00:00Z","title_canon_sha256":"fa5527b1e51889be33f815e3e358e727da2c003ff2935b55c8fe1e137e56dc53"},"schema_version":"1.0","source":{"id":"1810.07186","kind":"arxiv","version":2}},"canonical_sha256":"37899ac56ef16e92aae5a7badb9f743601b8c50477112d900e04e24625ee1272","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"37899ac56ef16e92aae5a7badb9f743601b8c50477112d900e04e24625ee1272","first_computed_at":"2026-05-17T23:47:29.973914Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:47:29.973914Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"kK7lvaD+7yJ2p3nATu7NA1wbRJaVoKIUb7xVK1muOc3ZG0z4yQYOWVkiOxi2u8T0ddGUqCSLpMSrvL+KLpJBDQ==","signature_status":"signed_v1","signed_at":"2026-05-17T23:47:29.974390Z","signed_message":"canonical_sha256_bytes"},"source_id":"1810.07186","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9ff0049ff9fcc34ed4f5a81f2792418f39ccbcd86bb913b0bb863b2579ec3c5e","sha256:309394457fe807eedaffe712431085304485784a5926c4da08a4a4837c6e4c27"],"state_sha256":"99bc385129c35f3c05f5555f86fbedca9bf3e3d3b006e082c2316ae002e30dff"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6W46jcob5WsB7L19kjGFFz7rfGA3DE28nQG4j9FYkL6jpNDCALLmh+FEvs9RME+m2XNHVSlL9Pnv+jETh9taBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T13:03:11.826408Z","bundle_sha256":"aee9a71c34e3158eb04ba078eddbf1be6ab607a0b417379bdd9fe9b4a38713bd"}}