{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:GGIBSPM7V3YLQHURZ2WC43CWPI","short_pith_number":"pith:GGIBSPM7","canonical_record":{"source":{"id":"1811.03079","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2018-11-07T18:54:52Z","cross_cats_sorted":["astro-ph.CO","gr-qc","hep-ph"],"title_canon_sha256":"6fcf0ea1e8dfed104cdf4c15ab2c0cae9090ea77a183935ecd7affed54dcb3c1","abstract_canon_sha256":"69a132917c8fc031b77cdfb93559e1ee94ffa53290fcd1a01af7a782f1d4fe0f"},"schema_version":"1.0"},"canonical_sha256":"3190193d9faef0b81e91ceac2e6c567a2b50b27251b28e68641ae2c768f60e55","source":{"kind":"arxiv","id":"1811.03079","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1811.03079","created_at":"2026-05-18T00:01:19Z"},{"alias_kind":"arxiv_version","alias_value":"1811.03079v1","created_at":"2026-05-18T00:01:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1811.03079","created_at":"2026-05-18T00:01:19Z"},{"alias_kind":"pith_short_12","alias_value":"GGIBSPM7V3YL","created_at":"2026-05-18T12:32:25Z"},{"alias_kind":"pith_short_16","alias_value":"GGIBSPM7V3YLQHUR","created_at":"2026-05-18T12:32:25Z"},{"alias_kind":"pith_short_8","alias_value":"GGIBSPM7","created_at":"2026-05-18T12:32:25Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:GGIBSPM7V3YLQHURZ2WC43CWPI","target":"record","payload":{"canonical_record":{"source":{"id":"1811.03079","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2018-11-07T18:54:52Z","cross_cats_sorted":["astro-ph.CO","gr-qc","hep-ph"],"title_canon_sha256":"6fcf0ea1e8dfed104cdf4c15ab2c0cae9090ea77a183935ecd7affed54dcb3c1","abstract_canon_sha256":"69a132917c8fc031b77cdfb93559e1ee94ffa53290fcd1a01af7a782f1d4fe0f"},"schema_version":"1.0"},"canonical_sha256":"3190193d9faef0b81e91ceac2e6c567a2b50b27251b28e68641ae2c768f60e55","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:01:19.988117Z","signature_b64":"OKbq3wjUkalxGfbHr3KJDkTxQ1ZXRuZCqbyRrdc8ZQeA2GOApEO05RNQOuzxM1wn4Af47xSAzxHQ3sqIY7C0Bg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3190193d9faef0b81e91ceac2e6c567a2b50b27251b28e68641ae2c768f60e55","last_reissued_at":"2026-05-18T00:01:19.987701Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:01:19.987701Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1811.03079","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":"2026-05-18T00:01:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"aWky7FXpCsqTggJnEp6TV4kz1ObjAB7eiMG9dfiuxDFiQMnNLZxHUvrsnuHlr2RbjHX+dz0dxcYSmOtMYJKgCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T19:11:31.489674Z"},"content_sha256":"9acced7a75d19a36a4bc0e3513405ba415703a8052f709245878eeadfbf04423","schema_version":"1.0","event_id":"sha256:9acced7a75d19a36a4bc0e3513405ba415703a8052f709245878eeadfbf04423"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:GGIBSPM7V3YLQHURZ2WC43CWPI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A Proof of the Axion?","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO","gr-qc","hep-ph"],"primary_cat":"hep-th","authors_text":"Cesar Gomez, Gia Dvali, Sebastian Zell","submitted_at":"2018-11-07T18:54:52Z","abstract_excerpt":"We show that the de Sitter quantum breaking bound when applied to QCD exposes the necessity of the axion solution to the strong CP problem. The Peccei-Quinn mechanism emerges as a consistency requirement independent of the naturalness questions. The $\\theta$-angle must be unphysical rather than simply small. All other approaches including a fine-tuning of $\\theta$ lead to the existence of de Sitter vacua and are excluded by consistency."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1811.03079","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":"2026-05-18T00:01:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DZi4v4yJrR4VRppD5QncgMo+zO/tQ8H6PrwS3IhYXlNePFNauXlfMHfS4nHFxcFEwzixj/wnHpS5f4eeoiUADg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T19:11:31.490394Z"},"content_sha256":"44bdc464cffd3b59bc800ac645a5467bfa31f30c6b0bfe17647b89b057caba2b","schema_version":"1.0","event_id":"sha256:44bdc464cffd3b59bc800ac645a5467bfa31f30c6b0bfe17647b89b057caba2b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/GGIBSPM7V3YLQHURZ2WC43CWPI/bundle.json","state_url":"https://pith.science/pith/GGIBSPM7V3YLQHURZ2WC43CWPI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/GGIBSPM7V3YLQHURZ2WC43CWPI/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":"2026-05-25T19:11:31Z","links":{"resolver":"https://pith.science/pith/GGIBSPM7V3YLQHURZ2WC43CWPI","bundle":"https://pith.science/pith/GGIBSPM7V3YLQHURZ2WC43CWPI/bundle.json","state":"https://pith.science/pith/GGIBSPM7V3YLQHURZ2WC43CWPI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/GGIBSPM7V3YLQHURZ2WC43CWPI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:GGIBSPM7V3YLQHURZ2WC43CWPI","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":"69a132917c8fc031b77cdfb93559e1ee94ffa53290fcd1a01af7a782f1d4fe0f","cross_cats_sorted":["astro-ph.CO","gr-qc","hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2018-11-07T18:54:52Z","title_canon_sha256":"6fcf0ea1e8dfed104cdf4c15ab2c0cae9090ea77a183935ecd7affed54dcb3c1"},"schema_version":"1.0","source":{"id":"1811.03079","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1811.03079","created_at":"2026-05-18T00:01:19Z"},{"alias_kind":"arxiv_version","alias_value":"1811.03079v1","created_at":"2026-05-18T00:01:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1811.03079","created_at":"2026-05-18T00:01:19Z"},{"alias_kind":"pith_short_12","alias_value":"GGIBSPM7V3YL","created_at":"2026-05-18T12:32:25Z"},{"alias_kind":"pith_short_16","alias_value":"GGIBSPM7V3YLQHUR","created_at":"2026-05-18T12:32:25Z"},{"alias_kind":"pith_short_8","alias_value":"GGIBSPM7","created_at":"2026-05-18T12:32:25Z"}],"graph_snapshots":[{"event_id":"sha256:44bdc464cffd3b59bc800ac645a5467bfa31f30c6b0bfe17647b89b057caba2b","target":"graph","created_at":"2026-05-18T00:01:19Z","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 show that the de Sitter quantum breaking bound when applied to QCD exposes the necessity of the axion solution to the strong CP problem. The Peccei-Quinn mechanism emerges as a consistency requirement independent of the naturalness questions. The $\\theta$-angle must be unphysical rather than simply small. All other approaches including a fine-tuning of $\\theta$ lead to the existence of de Sitter vacua and are excluded by consistency.","authors_text":"Cesar Gomez, Gia Dvali, Sebastian Zell","cross_cats":["astro-ph.CO","gr-qc","hep-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2018-11-07T18:54:52Z","title":"A Proof of the Axion?"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1811.03079","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":"sha256:9acced7a75d19a36a4bc0e3513405ba415703a8052f709245878eeadfbf04423","target":"record","created_at":"2026-05-18T00:01:19Z","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":"69a132917c8fc031b77cdfb93559e1ee94ffa53290fcd1a01af7a782f1d4fe0f","cross_cats_sorted":["astro-ph.CO","gr-qc","hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2018-11-07T18:54:52Z","title_canon_sha256":"6fcf0ea1e8dfed104cdf4c15ab2c0cae9090ea77a183935ecd7affed54dcb3c1"},"schema_version":"1.0","source":{"id":"1811.03079","kind":"arxiv","version":1}},"canonical_sha256":"3190193d9faef0b81e91ceac2e6c567a2b50b27251b28e68641ae2c768f60e55","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3190193d9faef0b81e91ceac2e6c567a2b50b27251b28e68641ae2c768f60e55","first_computed_at":"2026-05-18T00:01:19.987701Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:01:19.987701Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"OKbq3wjUkalxGfbHr3KJDkTxQ1ZXRuZCqbyRrdc8ZQeA2GOApEO05RNQOuzxM1wn4Af47xSAzxHQ3sqIY7C0Bg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:01:19.988117Z","signed_message":"canonical_sha256_bytes"},"source_id":"1811.03079","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9acced7a75d19a36a4bc0e3513405ba415703a8052f709245878eeadfbf04423","sha256:44bdc464cffd3b59bc800ac645a5467bfa31f30c6b0bfe17647b89b057caba2b"],"state_sha256":"1d140eb3ce2ec775e1d62ce2b05b29eec543af75e27e884aecf30b9506f6fa95"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dgKMowJB11icil8RPpi2cyY+m+qx+HMjtRwcNlNduAoAg/kOyl2q9gxpGX55bj65Z/HNFw2MV4Gi07kI5lDcAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T19:11:31.493503Z","bundle_sha256":"5f9747736ef6666a77f30ad161a304de0cd3b7324b063dbcef46f84970a3955c"}}