{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:FA56L5S7Y4EK3H76EO6HXEWY2B","short_pith_number":"pith:FA56L5S7","canonical_record":{"source":{"id":"1709.04134","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2017-09-13T04:49:46Z","cross_cats_sorted":["gr-qc","hep-ph"],"title_canon_sha256":"6d5cc7bf31aa4bf5b817113e02f4bce4442df6160116225274af9e4f9e649e5b","abstract_canon_sha256":"4514a317280fa13cfd2f5c98e451e7bf6e6bc6e83bfc5d76fe0b0c9a592ec882"},"schema_version":"1.0"},"canonical_sha256":"283be5f65fc708ad9ffe23bc7b92d8d045a21d6bfb3bc101aed203a901930b74","source":{"kind":"arxiv","id":"1709.04134","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1709.04134","created_at":"2026-05-18T00:35:15Z"},{"alias_kind":"arxiv_version","alias_value":"1709.04134v1","created_at":"2026-05-18T00:35:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1709.04134","created_at":"2026-05-18T00:35:15Z"},{"alias_kind":"pith_short_12","alias_value":"FA56L5S7Y4EK","created_at":"2026-05-18T12:31:15Z"},{"alias_kind":"pith_short_16","alias_value":"FA56L5S7Y4EK3H76","created_at":"2026-05-18T12:31:15Z"},{"alias_kind":"pith_short_8","alias_value":"FA56L5S7","created_at":"2026-05-18T12:31:15Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:FA56L5S7Y4EK3H76EO6HXEWY2B","target":"record","payload":{"canonical_record":{"source":{"id":"1709.04134","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2017-09-13T04:49:46Z","cross_cats_sorted":["gr-qc","hep-ph"],"title_canon_sha256":"6d5cc7bf31aa4bf5b817113e02f4bce4442df6160116225274af9e4f9e649e5b","abstract_canon_sha256":"4514a317280fa13cfd2f5c98e451e7bf6e6bc6e83bfc5d76fe0b0c9a592ec882"},"schema_version":"1.0"},"canonical_sha256":"283be5f65fc708ad9ffe23bc7b92d8d045a21d6bfb3bc101aed203a901930b74","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:35:15.386296Z","signature_b64":"KqDARHB3RjMYWlzJCkxjHfafIHHC3orpqOj+tchIPLr3dKL5QdAVQiMH+ceygZ74qBtEAW7i4FuHTVPtux+pAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"283be5f65fc708ad9ffe23bc7b92d8d045a21d6bfb3bc101aed203a901930b74","last_reissued_at":"2026-05-18T00:35:15.385562Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:35:15.385562Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1709.04134","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":"2026-05-18T00:35:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sl6gIwvKcIpUzbRRT1Z/cX1zZBo/0kyg+SRXRjM92AD/ONMEbbtoG2K4igtdyCuSwAc/OWH/UxE0bxAh+uvWDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T01:49:31.906661Z"},"content_sha256":"d3645912ebcc51ff4b06f42dce8c0c95ae23706c8130532b3b06fb6226284b13","schema_version":"1.0","event_id":"sha256:d3645912ebcc51ff4b06f42dce8c0c95ae23706c8130532b3b06fb6226284b13"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:FA56L5S7Y4EK3H76EO6HXEWY2B","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Exploring the expansion dynamics of the universe from galaxy cluster surveys","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc","hep-ph"],"primary_cat":"astro-ph.CO","authors_text":"Deng Wang, Xin-he Meng","submitted_at":"2017-09-13T04:49:46Z","abstract_excerpt":"To understand the expansion dynamics of the universe from galaxy cluster scales, using the angular diameter distance (ADD) data from two different galaxy cluster surveys, we constrain four cosmological models to explore the underlying value of $H_0$ and employ the model-independent Gaussian Processes to investigate the evolution of the equation of state of dark energy. The ADD data in the X-ray bands consists of two samples covering the redshift ranges [0.023, 0.784] and [0.14, 0.89], respectively. We find that: (i) For these two samples, the obtained values of $H_0$ are more consistent with t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1709.04134","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":"2026-05-18T00:35:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4az7BUzKgSwj1LsDmVwnwzkBnpCYAGvnSSI6h5wplmLWktEunTuYT30v7XnFrtQmCH54BY1P9HRyKpTTAERJAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T01:49:31.907207Z"},"content_sha256":"ab478e389a9aa14c8788d7ed6bb2653bc47282829aceefd51f48ea8c741e06e1","schema_version":"1.0","event_id":"sha256:ab478e389a9aa14c8788d7ed6bb2653bc47282829aceefd51f48ea8c741e06e1"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/FA56L5S7Y4EK3H76EO6HXEWY2B/bundle.json","state_url":"https://pith.science/pith/FA56L5S7Y4EK3H76EO6HXEWY2B/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/FA56L5S7Y4EK3H76EO6HXEWY2B/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":"2026-05-27T01:49:31Z","links":{"resolver":"https://pith.science/pith/FA56L5S7Y4EK3H76EO6HXEWY2B","bundle":"https://pith.science/pith/FA56L5S7Y4EK3H76EO6HXEWY2B/bundle.json","state":"https://pith.science/pith/FA56L5S7Y4EK3H76EO6HXEWY2B/state.json","well_known_bundle":"https://pith.science/.well-known/pith/FA56L5S7Y4EK3H76EO6HXEWY2B/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:FA56L5S7Y4EK3H76EO6HXEWY2B","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":"4514a317280fa13cfd2f5c98e451e7bf6e6bc6e83bfc5d76fe0b0c9a592ec882","cross_cats_sorted":["gr-qc","hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2017-09-13T04:49:46Z","title_canon_sha256":"6d5cc7bf31aa4bf5b817113e02f4bce4442df6160116225274af9e4f9e649e5b"},"schema_version":"1.0","source":{"id":"1709.04134","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1709.04134","created_at":"2026-05-18T00:35:15Z"},{"alias_kind":"arxiv_version","alias_value":"1709.04134v1","created_at":"2026-05-18T00:35:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1709.04134","created_at":"2026-05-18T00:35:15Z"},{"alias_kind":"pith_short_12","alias_value":"FA56L5S7Y4EK","created_at":"2026-05-18T12:31:15Z"},{"alias_kind":"pith_short_16","alias_value":"FA56L5S7Y4EK3H76","created_at":"2026-05-18T12:31:15Z"},{"alias_kind":"pith_short_8","alias_value":"FA56L5S7","created_at":"2026-05-18T12:31:15Z"}],"graph_snapshots":[{"event_id":"sha256:ab478e389a9aa14c8788d7ed6bb2653bc47282829aceefd51f48ea8c741e06e1","target":"graph","created_at":"2026-05-18T00:35:15Z","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":"To understand the expansion dynamics of the universe from galaxy cluster scales, using the angular diameter distance (ADD) data from two different galaxy cluster surveys, we constrain four cosmological models to explore the underlying value of $H_0$ and employ the model-independent Gaussian Processes to investigate the evolution of the equation of state of dark energy. The ADD data in the X-ray bands consists of two samples covering the redshift ranges [0.023, 0.784] and [0.14, 0.89], respectively. We find that: (i) For these two samples, the obtained values of $H_0$ are more consistent with t","authors_text":"Deng Wang, Xin-he Meng","cross_cats":["gr-qc","hep-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2017-09-13T04:49:46Z","title":"Exploring the expansion dynamics of the universe from galaxy cluster surveys"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1709.04134","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:d3645912ebcc51ff4b06f42dce8c0c95ae23706c8130532b3b06fb6226284b13","target":"record","created_at":"2026-05-18T00:35:15Z","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":"4514a317280fa13cfd2f5c98e451e7bf6e6bc6e83bfc5d76fe0b0c9a592ec882","cross_cats_sorted":["gr-qc","hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2017-09-13T04:49:46Z","title_canon_sha256":"6d5cc7bf31aa4bf5b817113e02f4bce4442df6160116225274af9e4f9e649e5b"},"schema_version":"1.0","source":{"id":"1709.04134","kind":"arxiv","version":1}},"canonical_sha256":"283be5f65fc708ad9ffe23bc7b92d8d045a21d6bfb3bc101aed203a901930b74","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"283be5f65fc708ad9ffe23bc7b92d8d045a21d6bfb3bc101aed203a901930b74","first_computed_at":"2026-05-18T00:35:15.385562Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:35:15.385562Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"KqDARHB3RjMYWlzJCkxjHfafIHHC3orpqOj+tchIPLr3dKL5QdAVQiMH+ceygZ74qBtEAW7i4FuHTVPtux+pAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:35:15.386296Z","signed_message":"canonical_sha256_bytes"},"source_id":"1709.04134","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d3645912ebcc51ff4b06f42dce8c0c95ae23706c8130532b3b06fb6226284b13","sha256:ab478e389a9aa14c8788d7ed6bb2653bc47282829aceefd51f48ea8c741e06e1"],"state_sha256":"1a414dce4e48edcae6a9e1811315a4aa62647aa9479ece09938acf49c2670a05"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"A+LstjFhXLo/GI6x1On041VhHuEB1VvIcr4Hz9GD2G8TYddK7TH2Oby8jhioYYS4WQr4k7xIQ0TmUrrp++fkBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T01:49:31.910111Z","bundle_sha256":"5fe409eb91323b96b664fcd022a954e1ff2ce95f3c556cfd97baae90e2148191"}}