{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:2MQEFWWOIUI5GF7IAOHSQPJX4P","short_pith_number":"pith:2MQEFWWO","canonical_record":{"source":{"id":"1908.01772","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2019-08-05T18:00:00Z","cross_cats_sorted":["hep-ex","hep-th"],"title_canon_sha256":"180fb77007a3022e64e1e685e72962b2854d8bd65224db7cf614c5a98422d169","abstract_canon_sha256":"55d9086689bdc6d24e1cba568adfd92dc6bb48b33fdb1961ab910fb4e27d3224"},"schema_version":"1.0"},"canonical_sha256":"d32042dace4511d317e8038f283d37e3caabd5dec3d4afd8e3b96a67f6c2b56c","source":{"kind":"arxiv","id":"1908.01772","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1908.01772","created_at":"2026-07-05T00:20:43Z"},{"alias_kind":"arxiv_version","alias_value":"1908.01772v2","created_at":"2026-07-05T00:20:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1908.01772","created_at":"2026-07-05T00:20:43Z"},{"alias_kind":"pith_short_12","alias_value":"2MQEFWWOIUI5","created_at":"2026-07-05T00:20:43Z"},{"alias_kind":"pith_short_16","alias_value":"2MQEFWWOIUI5GF7I","created_at":"2026-07-05T00:20:43Z"},{"alias_kind":"pith_short_8","alias_value":"2MQEFWWO","created_at":"2026-07-05T00:20:43Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:2MQEFWWOIUI5GF7IAOHSQPJX4P","target":"record","payload":{"canonical_record":{"source":{"id":"1908.01772","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2019-08-05T18:00:00Z","cross_cats_sorted":["hep-ex","hep-th"],"title_canon_sha256":"180fb77007a3022e64e1e685e72962b2854d8bd65224db7cf614c5a98422d169","abstract_canon_sha256":"55d9086689bdc6d24e1cba568adfd92dc6bb48b33fdb1961ab910fb4e27d3224"},"schema_version":"1.0"},"canonical_sha256":"d32042dace4511d317e8038f283d37e3caabd5dec3d4afd8e3b96a67f6c2b56c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:20:43.776726Z","signature_b64":"QbFjRrvAUQV9Jltp7Zj+OK2XD6eGMFQEDGaX4Fki+l4WtiIxr1mAh07btPQdX5/Hiwm5nLqPf5V89UucwqslDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d32042dace4511d317e8038f283d37e3caabd5dec3d4afd8e3b96a67f6c2b56c","last_reissued_at":"2026-07-05T00:20:43.776264Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:20:43.776264Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1908.01772","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":"2026-07-05T00:20:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VTWD5Fafc1RoVBqcXel1ATVPjTs1qPyxl3e+ycwAwRkdmpLDSZng8FXVbpxC16vYLjSexNydPQNxQKPI0CToDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-12T15:10:20.629508Z"},"content_sha256":"b22d808894467a3a0d85a40a5688aca8005f93956ee9eff4dd06d08e9fdb9565","schema_version":"1.0","event_id":"sha256:b22d808894467a3a0d85a40a5688aca8005f93956ee9eff4dd06d08e9fdb9565"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:2MQEFWWOIUI5GF7IAOHSQPJX4P","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The QCD Axion and Unification","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["hep-ex","hep-th"],"primary_cat":"hep-ph","authors_text":"Alexis D. Plascencia, Clara Murgui, Pavel Fileviez Perez","submitted_at":"2019-08-05T18:00:00Z","abstract_excerpt":"The QCD axion is one of the most appealing candidates for the dark matter in the Universe. In this article, we discuss the possibility to predict the axion mass in the context of a simple renormalizable grand unified theory where the Peccei-Quinn scale is determined by the unification scale. In this framework, the axion mass is predicted to be in the range $m_a \\simeq (3 - 13) \\times 10^{-9} \\ \\rm{eV}$. We study the axion phenomenology and find that the ABRACADABRA and CASPEr-Electric experiments will be able to fully probe this mass window."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1908.01772","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/1908.01772/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T00:20:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yPh6GaYr0/VdVK3W7dzpeBKW0JlOMl+BhqJnWXJS2yzAM3prAG9bhwsxiexaO+9h+AYhhooWIPfokUl45s+3BA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-12T15:10:20.630049Z"},"content_sha256":"0dc5d1909379dcaf324e63701e75e183d4864086e95c1003d53a41d71e05eeb2","schema_version":"1.0","event_id":"sha256:0dc5d1909379dcaf324e63701e75e183d4864086e95c1003d53a41d71e05eeb2"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2MQEFWWOIUI5GF7IAOHSQPJX4P/bundle.json","state_url":"https://pith.science/pith/2MQEFWWOIUI5GF7IAOHSQPJX4P/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2MQEFWWOIUI5GF7IAOHSQPJX4P/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":"2026-08-12T15:10:20Z","links":{"resolver":"https://pith.science/pith/2MQEFWWOIUI5GF7IAOHSQPJX4P","bundle":"https://pith.science/pith/2MQEFWWOIUI5GF7IAOHSQPJX4P/bundle.json","state":"https://pith.science/pith/2MQEFWWOIUI5GF7IAOHSQPJX4P/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2MQEFWWOIUI5GF7IAOHSQPJX4P/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:2MQEFWWOIUI5GF7IAOHSQPJX4P","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":"55d9086689bdc6d24e1cba568adfd92dc6bb48b33fdb1961ab910fb4e27d3224","cross_cats_sorted":["hep-ex","hep-th"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2019-08-05T18:00:00Z","title_canon_sha256":"180fb77007a3022e64e1e685e72962b2854d8bd65224db7cf614c5a98422d169"},"schema_version":"1.0","source":{"id":"1908.01772","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1908.01772","created_at":"2026-07-05T00:20:43Z"},{"alias_kind":"arxiv_version","alias_value":"1908.01772v2","created_at":"2026-07-05T00:20:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1908.01772","created_at":"2026-07-05T00:20:43Z"},{"alias_kind":"pith_short_12","alias_value":"2MQEFWWOIUI5","created_at":"2026-07-05T00:20:43Z"},{"alias_kind":"pith_short_16","alias_value":"2MQEFWWOIUI5GF7I","created_at":"2026-07-05T00:20:43Z"},{"alias_kind":"pith_short_8","alias_value":"2MQEFWWO","created_at":"2026-07-05T00:20:43Z"}],"graph_snapshots":[{"event_id":"sha256:0dc5d1909379dcaf324e63701e75e183d4864086e95c1003d53a41d71e05eeb2","target":"graph","created_at":"2026-07-05T00:20:43Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/1908.01772/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The QCD axion is one of the most appealing candidates for the dark matter in the Universe. In this article, we discuss the possibility to predict the axion mass in the context of a simple renormalizable grand unified theory where the Peccei-Quinn scale is determined by the unification scale. In this framework, the axion mass is predicted to be in the range $m_a \\simeq (3 - 13) \\times 10^{-9} \\ \\rm{eV}$. We study the axion phenomenology and find that the ABRACADABRA and CASPEr-Electric experiments will be able to fully probe this mass window.","authors_text":"Alexis D. Plascencia, Clara Murgui, Pavel Fileviez Perez","cross_cats":["hep-ex","hep-th"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2019-08-05T18:00:00Z","title":"The QCD Axion and Unification"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1908.01772","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:b22d808894467a3a0d85a40a5688aca8005f93956ee9eff4dd06d08e9fdb9565","target":"record","created_at":"2026-07-05T00:20:43Z","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":"55d9086689bdc6d24e1cba568adfd92dc6bb48b33fdb1961ab910fb4e27d3224","cross_cats_sorted":["hep-ex","hep-th"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2019-08-05T18:00:00Z","title_canon_sha256":"180fb77007a3022e64e1e685e72962b2854d8bd65224db7cf614c5a98422d169"},"schema_version":"1.0","source":{"id":"1908.01772","kind":"arxiv","version":2}},"canonical_sha256":"d32042dace4511d317e8038f283d37e3caabd5dec3d4afd8e3b96a67f6c2b56c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d32042dace4511d317e8038f283d37e3caabd5dec3d4afd8e3b96a67f6c2b56c","first_computed_at":"2026-07-05T00:20:43.776264Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:20:43.776264Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"QbFjRrvAUQV9Jltp7Zj+OK2XD6eGMFQEDGaX4Fki+l4WtiIxr1mAh07btPQdX5/Hiwm5nLqPf5V89UucwqslDQ==","signature_status":"signed_v1","signed_at":"2026-07-05T00:20:43.776726Z","signed_message":"canonical_sha256_bytes"},"source_id":"1908.01772","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b22d808894467a3a0d85a40a5688aca8005f93956ee9eff4dd06d08e9fdb9565","sha256:0dc5d1909379dcaf324e63701e75e183d4864086e95c1003d53a41d71e05eeb2"],"state_sha256":"9f1ee8cded93e04f7b947df40a346ad373f3d98e445c5e60747298dc6563fd2d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Z9HW3YTuuVjrvq7+heY0mg+hKXzdRdO8RjD1v2juWWVBuiS74xuKe8UskNg6izSChu5A6ThhMojAUHL8BZuUDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-12T15:10:20.634114Z","bundle_sha256":"30cc5b68c17239c1fa0123e01f2a5c1aad0d21478e77be9470bbcf4e70b53b98"}}