{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:IVGAPVVSTWTYGPCSTLXV26VCQQ","short_pith_number":"pith:IVGAPVVS","canonical_record":{"source":{"id":"1712.01841","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2017-12-05T19:00:00Z","cross_cats_sorted":[],"title_canon_sha256":"2c5059cbab9f6172c10448edf3dfc8496ef37548c356598dea7a862a30eb0120","abstract_canon_sha256":"ac4cfe8751fdf95a0d239ef4a77b6adfb40bc149d5920b1cd672a2a93d9c3d7a"},"schema_version":"1.0"},"canonical_sha256":"454c07d6b29da7833c529aef5d7aa2840e98e154a88367bb1a01b62eade51e5f","source":{"kind":"arxiv","id":"1712.01841","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1712.01841","created_at":"2026-05-18T00:19:16Z"},{"alias_kind":"arxiv_version","alias_value":"1712.01841v2","created_at":"2026-05-18T00:19:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1712.01841","created_at":"2026-05-18T00:19:16Z"},{"alias_kind":"pith_short_12","alias_value":"IVGAPVVSTWTY","created_at":"2026-05-18T12:31:21Z"},{"alias_kind":"pith_short_16","alias_value":"IVGAPVVSTWTYGPCS","created_at":"2026-05-18T12:31:21Z"},{"alias_kind":"pith_short_8","alias_value":"IVGAPVVS","created_at":"2026-05-18T12:31:21Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:IVGAPVVSTWTYGPCSTLXV26VCQQ","target":"record","payload":{"canonical_record":{"source":{"id":"1712.01841","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2017-12-05T19:00:00Z","cross_cats_sorted":[],"title_canon_sha256":"2c5059cbab9f6172c10448edf3dfc8496ef37548c356598dea7a862a30eb0120","abstract_canon_sha256":"ac4cfe8751fdf95a0d239ef4a77b6adfb40bc149d5920b1cd672a2a93d9c3d7a"},"schema_version":"1.0"},"canonical_sha256":"454c07d6b29da7833c529aef5d7aa2840e98e154a88367bb1a01b62eade51e5f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:19:16.763328Z","signature_b64":"kE3lywtjRN22DcByrQV5MgauwFQg8D4pX9KwfCFnPJaPZ1sYgYD1dzGTDpaOxZ1xE11EEvn/dWrP+0utW3xVCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"454c07d6b29da7833c529aef5d7aa2840e98e154a88367bb1a01b62eade51e5f","last_reissued_at":"2026-05-18T00:19:16.762249Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:19:16.762249Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1712.01841","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":"2026-05-18T00:19:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Q6Czn9vk4XataShJ81llCWLJp8C0VHITS+Pu7BC8WFDQVcURlozWLM5Q6qu6gh9hclRbFio/z19u4j4QTKZWAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-20T08:37:06.309070Z"},"content_sha256":"c218fbd70516afae2cf9e8325a3bf6f29b8ef534fb4dbf396c472b8f6848977a","schema_version":"1.0","event_id":"sha256:c218fbd70516afae2cf9e8325a3bf6f29b8ef534fb4dbf396c472b8f6848977a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:IVGAPVVSTWTYGPCSTLXV26VCQQ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Protecting the Axion with Local Baryon Number","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"James Unwin, Kai Schmidt-Hoberg, Michael Duerr","submitted_at":"2017-12-05T19:00:00Z","abstract_excerpt":"The Peccei-Quinn (PQ) solution to the Strong CP Problem is expected to fail unless the global symmetry U(1)${}_{\\rm PQ}$ is protected from Planck-scale operators up to high mass dimension. Suitable protection can be achieved if the PQ symmetry is an automatic consequence of some gauge symmetry. We highlight that if baryon number is promoted to a gauge symmetry, the exotic fermions needed for anomaly cancellation can elegantly provide an implementation of the Kim-Shifman-Vainshtein-Zakharov 'hidden axion' mechanism with a PQ symmetry protected from Planck-scale physics."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1712.01841","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":"2026-05-18T00:19:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nNUDIiTtAzslfxG+eIk0hajFVDsDgNlDUP896qPnPWiXouWoSJ2QnOK2S5/hJ+NMjKdo+oogTEldUHh9Te3OAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-20T08:37:06.309864Z"},"content_sha256":"dc47c9756e7b27989218dca89bb31bde064e0007e9a5b65ca666d67c4ed6bf76","schema_version":"1.0","event_id":"sha256:dc47c9756e7b27989218dca89bb31bde064e0007e9a5b65ca666d67c4ed6bf76"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/IVGAPVVSTWTYGPCSTLXV26VCQQ/bundle.json","state_url":"https://pith.science/pith/IVGAPVVSTWTYGPCSTLXV26VCQQ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/IVGAPVVSTWTYGPCSTLXV26VCQQ/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":"2026-05-20T08:37:06Z","links":{"resolver":"https://pith.science/pith/IVGAPVVSTWTYGPCSTLXV26VCQQ","bundle":"https://pith.science/pith/IVGAPVVSTWTYGPCSTLXV26VCQQ/bundle.json","state":"https://pith.science/pith/IVGAPVVSTWTYGPCSTLXV26VCQQ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/IVGAPVVSTWTYGPCSTLXV26VCQQ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:IVGAPVVSTWTYGPCSTLXV26VCQQ","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":"ac4cfe8751fdf95a0d239ef4a77b6adfb40bc149d5920b1cd672a2a93d9c3d7a","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2017-12-05T19:00:00Z","title_canon_sha256":"2c5059cbab9f6172c10448edf3dfc8496ef37548c356598dea7a862a30eb0120"},"schema_version":"1.0","source":{"id":"1712.01841","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1712.01841","created_at":"2026-05-18T00:19:16Z"},{"alias_kind":"arxiv_version","alias_value":"1712.01841v2","created_at":"2026-05-18T00:19:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1712.01841","created_at":"2026-05-18T00:19:16Z"},{"alias_kind":"pith_short_12","alias_value":"IVGAPVVSTWTY","created_at":"2026-05-18T12:31:21Z"},{"alias_kind":"pith_short_16","alias_value":"IVGAPVVSTWTYGPCS","created_at":"2026-05-18T12:31:21Z"},{"alias_kind":"pith_short_8","alias_value":"IVGAPVVS","created_at":"2026-05-18T12:31:21Z"}],"graph_snapshots":[{"event_id":"sha256:dc47c9756e7b27989218dca89bb31bde064e0007e9a5b65ca666d67c4ed6bf76","target":"graph","created_at":"2026-05-18T00:19:16Z","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":"The Peccei-Quinn (PQ) solution to the Strong CP Problem is expected to fail unless the global symmetry U(1)${}_{\\rm PQ}$ is protected from Planck-scale operators up to high mass dimension. Suitable protection can be achieved if the PQ symmetry is an automatic consequence of some gauge symmetry. We highlight that if baryon number is promoted to a gauge symmetry, the exotic fermions needed for anomaly cancellation can elegantly provide an implementation of the Kim-Shifman-Vainshtein-Zakharov 'hidden axion' mechanism with a PQ symmetry protected from Planck-scale physics.","authors_text":"James Unwin, Kai Schmidt-Hoberg, Michael Duerr","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2017-12-05T19:00:00Z","title":"Protecting the Axion with Local Baryon Number"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1712.01841","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:c218fbd70516afae2cf9e8325a3bf6f29b8ef534fb4dbf396c472b8f6848977a","target":"record","created_at":"2026-05-18T00:19:16Z","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":"ac4cfe8751fdf95a0d239ef4a77b6adfb40bc149d5920b1cd672a2a93d9c3d7a","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2017-12-05T19:00:00Z","title_canon_sha256":"2c5059cbab9f6172c10448edf3dfc8496ef37548c356598dea7a862a30eb0120"},"schema_version":"1.0","source":{"id":"1712.01841","kind":"arxiv","version":2}},"canonical_sha256":"454c07d6b29da7833c529aef5d7aa2840e98e154a88367bb1a01b62eade51e5f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"454c07d6b29da7833c529aef5d7aa2840e98e154a88367bb1a01b62eade51e5f","first_computed_at":"2026-05-18T00:19:16.762249Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:19:16.762249Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"kE3lywtjRN22DcByrQV5MgauwFQg8D4pX9KwfCFnPJaPZ1sYgYD1dzGTDpaOxZ1xE11EEvn/dWrP+0utW3xVCA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:19:16.763328Z","signed_message":"canonical_sha256_bytes"},"source_id":"1712.01841","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c218fbd70516afae2cf9e8325a3bf6f29b8ef534fb4dbf396c472b8f6848977a","sha256:dc47c9756e7b27989218dca89bb31bde064e0007e9a5b65ca666d67c4ed6bf76"],"state_sha256":"b5307a1e9bc5d24dad56ea6444a413c988f3d33ede10858f650f8ea83bb62a43"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZTBfF0s+zvxESwD+LoK/uJcM9DHm/mpuBX4SQFJclw45DyPl5F9EQBtM2VQ+qO6UjqzmvqXjH2dX1MamGND1Dg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-20T08:37:06.313023Z","bundle_sha256":"80878037b6e8b1b8ce59bbc9fab4f027e589f62aa4bcc007ebb883d4b6b77852"}}