{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:I3IJU74UAHNJ42OOCZJSMRZGEC","short_pith_number":"pith:I3IJU74U","canonical_record":{"source":{"id":"1410.2896","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2014-10-10T20:00:08Z","cross_cats_sorted":["hep-ex","hep-ph","hep-th"],"title_canon_sha256":"51bfbc43af9b3231f59fa7321529049db747531978a5d5607428f1bdb15817d7","abstract_canon_sha256":"69a710c67f292b3377551181b6811759bd0ed9981ef7516f893ff683aef5d9e1"},"schema_version":"1.0"},"canonical_sha256":"46d09a7f9401da9e69ce165326472620ae48c10061dd2f68e0a248c5261f9f01","source":{"kind":"arxiv","id":"1410.2896","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1410.2896","created_at":"2026-05-18T02:03:55Z"},{"alias_kind":"arxiv_version","alias_value":"1410.2896v2","created_at":"2026-05-18T02:03:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1410.2896","created_at":"2026-05-18T02:03:55Z"},{"alias_kind":"pith_short_12","alias_value":"I3IJU74UAHNJ","created_at":"2026-05-18T12:28:33Z"},{"alias_kind":"pith_short_16","alias_value":"I3IJU74UAHNJ42OO","created_at":"2026-05-18T12:28:33Z"},{"alias_kind":"pith_short_8","alias_value":"I3IJU74U","created_at":"2026-05-18T12:28:33Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:I3IJU74UAHNJ42OOCZJSMRZGEC","target":"record","payload":{"canonical_record":{"source":{"id":"1410.2896","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2014-10-10T20:00:08Z","cross_cats_sorted":["hep-ex","hep-ph","hep-th"],"title_canon_sha256":"51bfbc43af9b3231f59fa7321529049db747531978a5d5607428f1bdb15817d7","abstract_canon_sha256":"69a710c67f292b3377551181b6811759bd0ed9981ef7516f893ff683aef5d9e1"},"schema_version":"1.0"},"canonical_sha256":"46d09a7f9401da9e69ce165326472620ae48c10061dd2f68e0a248c5261f9f01","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:03:55.233308Z","signature_b64":"C7+9QOV59RQql2blF2ES2eV6BlP/d9EdfMaA7rDp1xKsKWB7NbDzHnyqbj8+vhjYImCL8v9Tn16d4+XCWvFZAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"46d09a7f9401da9e69ce165326472620ae48c10061dd2f68e0a248c5261f9f01","last_reissued_at":"2026-05-18T02:03:55.232638Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:03:55.232638Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1410.2896","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":"2026-05-18T02:03:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8tOfhUO2YfNA5oMXKtmSKRxD+zrUO0z448Ny7+UtEKArO14WbN1uHcNW7XgMZPrCWS1lKzlS8n2Arz47m4g1Bg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T11:29:06.596821Z"},"content_sha256":"10c1c4e95fea3e0cb7a70321659695041c1a098223595afd60f48643fcd0c9c7","schema_version":"1.0","event_id":"sha256:10c1c4e95fea3e0cb7a70321659695041c1a098223595afd60f48643fcd0c9c7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:I3IJU74UAHNJ42OOCZJSMRZGEC","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A search for ultra-light axions using precision cosmological data","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex","hep-ph","hep-th"],"primary_cat":"astro-ph.CO","authors_text":"Daniel Grin, David J.E. Marsh, Pedro G. Ferreira, Ren\\'ee Hlozek","submitted_at":"2014-10-10T20:00:08Z","abstract_excerpt":"Ultra-light axions (ULAs) with masses in the range 10^{-33} eV <m <10^{-20} eV are motivated by string theory and might contribute to either the dark-matter or dark-energy density of the Universe. ULAs could suppress the growth of structure on small scales, or lead to an enhanced integrated Sachs-Wolfe effect on large-scale cosmic microwave-background (CMB) anisotropies. In this work, cosmological observables over the full ULA mass range are computed, and then used to search for evidence of ULAs using CMB data from the Wilkinson Microwave Anisotropy Probe (WMAP), Planck satellite, Atacama Cosm"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1410.2896","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":"2026-05-18T02:03:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"C0/yE3KFwgLLwmaC2JlxhZu1dbtS2a0RrZjN+4uEm4hqS9UB6eggxeLPkMfa9I8I78sVRIbJS0GeUDCPdBykBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T11:29:06.597169Z"},"content_sha256":"75cc91712d48c70ecce7ce70a72849bf5108102c62e80656d23c1625674de1d6","schema_version":"1.0","event_id":"sha256:75cc91712d48c70ecce7ce70a72849bf5108102c62e80656d23c1625674de1d6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/I3IJU74UAHNJ42OOCZJSMRZGEC/bundle.json","state_url":"https://pith.science/pith/I3IJU74UAHNJ42OOCZJSMRZGEC/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/I3IJU74UAHNJ42OOCZJSMRZGEC/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":"2026-06-01T11:29:06Z","links":{"resolver":"https://pith.science/pith/I3IJU74UAHNJ42OOCZJSMRZGEC","bundle":"https://pith.science/pith/I3IJU74UAHNJ42OOCZJSMRZGEC/bundle.json","state":"https://pith.science/pith/I3IJU74UAHNJ42OOCZJSMRZGEC/state.json","well_known_bundle":"https://pith.science/.well-known/pith/I3IJU74UAHNJ42OOCZJSMRZGEC/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:I3IJU74UAHNJ42OOCZJSMRZGEC","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":"69a710c67f292b3377551181b6811759bd0ed9981ef7516f893ff683aef5d9e1","cross_cats_sorted":["hep-ex","hep-ph","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2014-10-10T20:00:08Z","title_canon_sha256":"51bfbc43af9b3231f59fa7321529049db747531978a5d5607428f1bdb15817d7"},"schema_version":"1.0","source":{"id":"1410.2896","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1410.2896","created_at":"2026-05-18T02:03:55Z"},{"alias_kind":"arxiv_version","alias_value":"1410.2896v2","created_at":"2026-05-18T02:03:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1410.2896","created_at":"2026-05-18T02:03:55Z"},{"alias_kind":"pith_short_12","alias_value":"I3IJU74UAHNJ","created_at":"2026-05-18T12:28:33Z"},{"alias_kind":"pith_short_16","alias_value":"I3IJU74UAHNJ42OO","created_at":"2026-05-18T12:28:33Z"},{"alias_kind":"pith_short_8","alias_value":"I3IJU74U","created_at":"2026-05-18T12:28:33Z"}],"graph_snapshots":[{"event_id":"sha256:75cc91712d48c70ecce7ce70a72849bf5108102c62e80656d23c1625674de1d6","target":"graph","created_at":"2026-05-18T02:03:55Z","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":"Ultra-light axions (ULAs) with masses in the range 10^{-33} eV <m <10^{-20} eV are motivated by string theory and might contribute to either the dark-matter or dark-energy density of the Universe. ULAs could suppress the growth of structure on small scales, or lead to an enhanced integrated Sachs-Wolfe effect on large-scale cosmic microwave-background (CMB) anisotropies. In this work, cosmological observables over the full ULA mass range are computed, and then used to search for evidence of ULAs using CMB data from the Wilkinson Microwave Anisotropy Probe (WMAP), Planck satellite, Atacama Cosm","authors_text":"Daniel Grin, David J.E. Marsh, Pedro G. Ferreira, Ren\\'ee Hlozek","cross_cats":["hep-ex","hep-ph","hep-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2014-10-10T20:00:08Z","title":"A search for ultra-light axions using precision cosmological data"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1410.2896","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":"sha256:10c1c4e95fea3e0cb7a70321659695041c1a098223595afd60f48643fcd0c9c7","target":"record","created_at":"2026-05-18T02:03:55Z","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":"69a710c67f292b3377551181b6811759bd0ed9981ef7516f893ff683aef5d9e1","cross_cats_sorted":["hep-ex","hep-ph","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2014-10-10T20:00:08Z","title_canon_sha256":"51bfbc43af9b3231f59fa7321529049db747531978a5d5607428f1bdb15817d7"},"schema_version":"1.0","source":{"id":"1410.2896","kind":"arxiv","version":2}},"canonical_sha256":"46d09a7f9401da9e69ce165326472620ae48c10061dd2f68e0a248c5261f9f01","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"46d09a7f9401da9e69ce165326472620ae48c10061dd2f68e0a248c5261f9f01","first_computed_at":"2026-05-18T02:03:55.232638Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:03:55.232638Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"C7+9QOV59RQql2blF2ES2eV6BlP/d9EdfMaA7rDp1xKsKWB7NbDzHnyqbj8+vhjYImCL8v9Tn16d4+XCWvFZAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:03:55.233308Z","signed_message":"canonical_sha256_bytes"},"source_id":"1410.2896","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:10c1c4e95fea3e0cb7a70321659695041c1a098223595afd60f48643fcd0c9c7","sha256:75cc91712d48c70ecce7ce70a72849bf5108102c62e80656d23c1625674de1d6"],"state_sha256":"97d7c31cd536847fec0f1e4b86de35baa154c9be479876b9be1c296dc4e52eb3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"j9dFcXoG5UxnKrWlMh/BLIq0du6Mx6QWi1hlh2pBBMhdNUGkl/Pd05XFy5RLcaJ0hCC1QJ4zh1qvexjfA71gDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T11:29:06.599207Z","bundle_sha256":"2dca8ec6782272873e6e78ef1d5f63cfcaf62cc5b09997262ce12a9765b5ce04"}}