{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:YARGNQIBLLINMDVXB4K4KAUISL","short_pith_number":"pith:YARGNQIB","canonical_record":{"source":{"id":"1703.08521","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2017-03-24T17:21:40Z","cross_cats_sorted":[],"title_canon_sha256":"9dcaa1dca481dd6544170d151fb842375eb9cde9ab534ce46df90aee4567d30b","abstract_canon_sha256":"8a7c658f3d545ee83124ffece3b2099c119b113bb45cc1694690607ce5ed79b2"},"schema_version":"1.0"},"canonical_sha256":"c02266c1015ad0d60eb70f15c5028892da32185f2c6f83321d52a1b728feadfd","source":{"kind":"arxiv","id":"1703.08521","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1703.08521","created_at":"2026-05-18T00:43:26Z"},{"alias_kind":"arxiv_version","alias_value":"1703.08521v1","created_at":"2026-05-18T00:43:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1703.08521","created_at":"2026-05-18T00:43:26Z"},{"alias_kind":"pith_short_12","alias_value":"YARGNQIBLLIN","created_at":"2026-05-18T12:31:56Z"},{"alias_kind":"pith_short_16","alias_value":"YARGNQIBLLINMDVX","created_at":"2026-05-18T12:31:56Z"},{"alias_kind":"pith_short_8","alias_value":"YARGNQIB","created_at":"2026-05-18T12:31:56Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:YARGNQIBLLINMDVXB4K4KAUISL","target":"record","payload":{"canonical_record":{"source":{"id":"1703.08521","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2017-03-24T17:21:40Z","cross_cats_sorted":[],"title_canon_sha256":"9dcaa1dca481dd6544170d151fb842375eb9cde9ab534ce46df90aee4567d30b","abstract_canon_sha256":"8a7c658f3d545ee83124ffece3b2099c119b113bb45cc1694690607ce5ed79b2"},"schema_version":"1.0"},"canonical_sha256":"c02266c1015ad0d60eb70f15c5028892da32185f2c6f83321d52a1b728feadfd","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:43:26.118224Z","signature_b64":"iRzhLhWAakWWk7h5Wi1VJo3PDFm3xLL9D9EgpX6zG+MNR1WImE4DVjMPDTFFTzit9X+PSvkDM6nw8qDfAnPtDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c02266c1015ad0d60eb70f15c5028892da32185f2c6f83321d52a1b728feadfd","last_reissued_at":"2026-05-18T00:43:26.117598Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:43:26.117598Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1703.08521","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":"2026-05-18T00:43:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pyHhLA2gEGKpMCnEcKu6MYFx9rSWExqSaxeSU8TOLjIqom2HYtahhSdSF9ceRkER81fhzoN95okJK7K2YtNVAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-11T19:50:15.217712Z"},"content_sha256":"75f2c33c6fb4d75cb115120e75f978af23229e133046696c720f883f9dee7692","schema_version":"1.0","event_id":"sha256:75f2c33c6fb4d75cb115120e75f978af23229e133046696c720f883f9dee7692"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:YARGNQIBLLINMDVXB4K4KAUISL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Testing cosmic acceleration for $w(z)$ parameterizations using $f_{gas}$ measurements in galaxy clusters","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"G. Foex, Juan Magana, Victor H. Cardenas, V. Motta","submitted_at":"2017-03-24T17:21:40Z","abstract_excerpt":"In this paper we study the cosmic acceleration for five dynamical dark energy models whose equation of state varies with redshift. The cosmological parameters of these models are constrained by performing a MCMC analysis using mainly gas mass fraction, $f_{gas}$, measurements in two samples of galaxy clusters: one reported by Allen et al. (2004), which consists of $42$ points spanning the redshift range $0.05<z<1.1$, and the other by Hasselfield et al. (2013) from the Atacama Cosmology Telescope survey, which consists of $91$ data points in the redshift range $0.118 < \\mathrm{z} < 1.36$. In ad"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1703.08521","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":"2026-05-18T00:43:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qaRYBLRoDfai3Q60wbdsqeaVJGqqHJezzpKBdP+VjzyevKYndZ5K5eOSF9hvbBIrjGYrVrXJ6EbA7f0qZLA4Bw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-11T19:50:15.218770Z"},"content_sha256":"4d46edeb2f71f0a0c43fae672079ad3d7920038c4033b2c997f599a65efc18f7","schema_version":"1.0","event_id":"sha256:4d46edeb2f71f0a0c43fae672079ad3d7920038c4033b2c997f599a65efc18f7"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YARGNQIBLLINMDVXB4K4KAUISL/bundle.json","state_url":"https://pith.science/pith/YARGNQIBLLINMDVXB4K4KAUISL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YARGNQIBLLINMDVXB4K4KAUISL/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":"2026-08-11T19:50:15Z","links":{"resolver":"https://pith.science/pith/YARGNQIBLLINMDVXB4K4KAUISL","bundle":"https://pith.science/pith/YARGNQIBLLINMDVXB4K4KAUISL/bundle.json","state":"https://pith.science/pith/YARGNQIBLLINMDVXB4K4KAUISL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YARGNQIBLLINMDVXB4K4KAUISL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:YARGNQIBLLINMDVXB4K4KAUISL","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":"8a7c658f3d545ee83124ffece3b2099c119b113bb45cc1694690607ce5ed79b2","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2017-03-24T17:21:40Z","title_canon_sha256":"9dcaa1dca481dd6544170d151fb842375eb9cde9ab534ce46df90aee4567d30b"},"schema_version":"1.0","source":{"id":"1703.08521","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1703.08521","created_at":"2026-05-18T00:43:26Z"},{"alias_kind":"arxiv_version","alias_value":"1703.08521v1","created_at":"2026-05-18T00:43:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1703.08521","created_at":"2026-05-18T00:43:26Z"},{"alias_kind":"pith_short_12","alias_value":"YARGNQIBLLIN","created_at":"2026-05-18T12:31:56Z"},{"alias_kind":"pith_short_16","alias_value":"YARGNQIBLLINMDVX","created_at":"2026-05-18T12:31:56Z"},{"alias_kind":"pith_short_8","alias_value":"YARGNQIB","created_at":"2026-05-18T12:31:56Z"}],"graph_snapshots":[{"event_id":"sha256:4d46edeb2f71f0a0c43fae672079ad3d7920038c4033b2c997f599a65efc18f7","target":"graph","created_at":"2026-05-18T00:43:26Z","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":"In this paper we study the cosmic acceleration for five dynamical dark energy models whose equation of state varies with redshift. The cosmological parameters of these models are constrained by performing a MCMC analysis using mainly gas mass fraction, $f_{gas}$, measurements in two samples of galaxy clusters: one reported by Allen et al. (2004), which consists of $42$ points spanning the redshift range $0.05<z<1.1$, and the other by Hasselfield et al. (2013) from the Atacama Cosmology Telescope survey, which consists of $91$ data points in the redshift range $0.118 < \\mathrm{z} < 1.36$. In ad","authors_text":"G. Foex, Juan Magana, Victor H. Cardenas, V. Motta","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2017-03-24T17:21:40Z","title":"Testing cosmic acceleration for $w(z)$ parameterizations using $f_{gas}$ measurements in galaxy clusters"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1703.08521","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":"sha256:75f2c33c6fb4d75cb115120e75f978af23229e133046696c720f883f9dee7692","target":"record","created_at":"2026-05-18T00:43:26Z","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":"8a7c658f3d545ee83124ffece3b2099c119b113bb45cc1694690607ce5ed79b2","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2017-03-24T17:21:40Z","title_canon_sha256":"9dcaa1dca481dd6544170d151fb842375eb9cde9ab534ce46df90aee4567d30b"},"schema_version":"1.0","source":{"id":"1703.08521","kind":"arxiv","version":1}},"canonical_sha256":"c02266c1015ad0d60eb70f15c5028892da32185f2c6f83321d52a1b728feadfd","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c02266c1015ad0d60eb70f15c5028892da32185f2c6f83321d52a1b728feadfd","first_computed_at":"2026-05-18T00:43:26.117598Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:43:26.117598Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"iRzhLhWAakWWk7h5Wi1VJo3PDFm3xLL9D9EgpX6zG+MNR1WImE4DVjMPDTFFTzit9X+PSvkDM6nw8qDfAnPtDw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:43:26.118224Z","signed_message":"canonical_sha256_bytes"},"source_id":"1703.08521","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:75f2c33c6fb4d75cb115120e75f978af23229e133046696c720f883f9dee7692","sha256:4d46edeb2f71f0a0c43fae672079ad3d7920038c4033b2c997f599a65efc18f7"],"state_sha256":"2c2b23cb115ec4642a7d71966a965ec12c2b0d910aa50b3150caf440790eb0bf"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vBr5a15Jsex8T86Ut+movw+zvAR8kMdJfSkFnTDP8mgm/4ltgnkuYd1+cYBvDoxz97B1s3FPKYYyDnUEHkG1DA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-11T19:50:15.224100Z","bundle_sha256":"3986bae4726137b7ff059fb6aaa206d1060a1be4d2440669e2be9468999a118a"}}