{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:JOZEAXYRDXSY7DYBGESOXREMPH","short_pith_number":"pith:JOZEAXYR","canonical_record":{"source":{"id":"1501.03080","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2015-01-13T17:06:39Z","cross_cats_sorted":[],"title_canon_sha256":"047ed026cf2aa8d56c99522180c0e761618e0c3a1dfd1e5b01fe8c60dbb99bc1","abstract_canon_sha256":"eea01c8f2eec2d22942cd8d248c7f1dd61af5ca1228f13a29adc3581bb5e5eff"},"schema_version":"1.0"},"canonical_sha256":"4bb2405f111de58f8f013124ebc48c79f1fd47c7e8a25afe559791109c688019","source":{"kind":"arxiv","id":"1501.03080","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1501.03080","created_at":"2026-05-18T02:27:31Z"},{"alias_kind":"arxiv_version","alias_value":"1501.03080v1","created_at":"2026-05-18T02:27:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1501.03080","created_at":"2026-05-18T02:27:31Z"},{"alias_kind":"pith_short_12","alias_value":"JOZEAXYRDXSY","created_at":"2026-05-18T12:29:27Z"},{"alias_kind":"pith_short_16","alias_value":"JOZEAXYRDXSY7DYB","created_at":"2026-05-18T12:29:27Z"},{"alias_kind":"pith_short_8","alias_value":"JOZEAXYR","created_at":"2026-05-18T12:29:27Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:JOZEAXYRDXSY7DYBGESOXREMPH","target":"record","payload":{"canonical_record":{"source":{"id":"1501.03080","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2015-01-13T17:06:39Z","cross_cats_sorted":[],"title_canon_sha256":"047ed026cf2aa8d56c99522180c0e761618e0c3a1dfd1e5b01fe8c60dbb99bc1","abstract_canon_sha256":"eea01c8f2eec2d22942cd8d248c7f1dd61af5ca1228f13a29adc3581bb5e5eff"},"schema_version":"1.0"},"canonical_sha256":"4bb2405f111de58f8f013124ebc48c79f1fd47c7e8a25afe559791109c688019","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:27:31.570790Z","signature_b64":"kN5cd1pn5XUgM/63Kbl7qGjEAC6gtjg06C1NeT1FwztBPGu7YKq3/yLudzQuwDjv/9rV3YhI7XdUuE6lP8jqCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4bb2405f111de58f8f013124ebc48c79f1fd47c7e8a25afe559791109c688019","last_reissued_at":"2026-05-18T02:27:31.570065Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:27:31.570065Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1501.03080","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":"2026-05-18T02:27:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FxX/5frnT02S7mzu0lCrN1B0+gyeq0Z0RjfUh4rruycjwLmu990KfwDBMUDuS4Acd2XvBJZvv8RI/Ad0qsTkBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T13:16:28.853869Z"},"content_sha256":"d4340cf84c0304e5e2e46f40c2a6a50b2b2119cfb01be6f8fd76c01a144c8bba","schema_version":"1.0","event_id":"sha256:d4340cf84c0304e5e2e46f40c2a6a50b2b2119cfb01be6f8fd76c01a144c8bba"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:JOZEAXYRDXSY7DYBGESOXREMPH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Reconstructing the projected gravitational potential of Abell 1689 from X-ray measurements","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Celine Tchernin, Charles L. Majer, Dominique Eckert, Eleonora Sarli, Matthias Bartelmann, Sven Meyer","submitted_at":"2015-01-13T17:06:39Z","abstract_excerpt":"Context. Galaxy clusters can be used as cosmological probes, but to this end, they need to be thoroughly understood. Combining all cluster observables in a consistent way will help us to understand their global properties and their internal structure. Aims. We provide proof of the concept that the projected gravitational potential of galaxy clusters can directly be reconstructed from X-ray observations. We also show that this joint analysis can be used to locally test the validity of the equilibrium assumptions in galaxy clusters. Methods. We used a newly developed reconstruction method, based"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1501.03080","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":"2026-05-18T02:27:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"D1hbbQXnLMC+53Z6kK2ZxXXDZEGGEbnfQxMGlX+/X2JkMTmDe4pYmcXJtui0HttqLyo8PXUHZIZGUNff3NenBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T13:16:28.854220Z"},"content_sha256":"8c204ffe28632932f7e4b35f59f73108061d84ff14f183aa0e3e0d40634629f9","schema_version":"1.0","event_id":"sha256:8c204ffe28632932f7e4b35f59f73108061d84ff14f183aa0e3e0d40634629f9"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JOZEAXYRDXSY7DYBGESOXREMPH/bundle.json","state_url":"https://pith.science/pith/JOZEAXYRDXSY7DYBGESOXREMPH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JOZEAXYRDXSY7DYBGESOXREMPH/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":"2026-05-28T13:16:28Z","links":{"resolver":"https://pith.science/pith/JOZEAXYRDXSY7DYBGESOXREMPH","bundle":"https://pith.science/pith/JOZEAXYRDXSY7DYBGESOXREMPH/bundle.json","state":"https://pith.science/pith/JOZEAXYRDXSY7DYBGESOXREMPH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JOZEAXYRDXSY7DYBGESOXREMPH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:JOZEAXYRDXSY7DYBGESOXREMPH","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":"eea01c8f2eec2d22942cd8d248c7f1dd61af5ca1228f13a29adc3581bb5e5eff","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2015-01-13T17:06:39Z","title_canon_sha256":"047ed026cf2aa8d56c99522180c0e761618e0c3a1dfd1e5b01fe8c60dbb99bc1"},"schema_version":"1.0","source":{"id":"1501.03080","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1501.03080","created_at":"2026-05-18T02:27:31Z"},{"alias_kind":"arxiv_version","alias_value":"1501.03080v1","created_at":"2026-05-18T02:27:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1501.03080","created_at":"2026-05-18T02:27:31Z"},{"alias_kind":"pith_short_12","alias_value":"JOZEAXYRDXSY","created_at":"2026-05-18T12:29:27Z"},{"alias_kind":"pith_short_16","alias_value":"JOZEAXYRDXSY7DYB","created_at":"2026-05-18T12:29:27Z"},{"alias_kind":"pith_short_8","alias_value":"JOZEAXYR","created_at":"2026-05-18T12:29:27Z"}],"graph_snapshots":[{"event_id":"sha256:8c204ffe28632932f7e4b35f59f73108061d84ff14f183aa0e3e0d40634629f9","target":"graph","created_at":"2026-05-18T02:27:31Z","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":"Context. Galaxy clusters can be used as cosmological probes, but to this end, they need to be thoroughly understood. Combining all cluster observables in a consistent way will help us to understand their global properties and their internal structure. Aims. We provide proof of the concept that the projected gravitational potential of galaxy clusters can directly be reconstructed from X-ray observations. We also show that this joint analysis can be used to locally test the validity of the equilibrium assumptions in galaxy clusters. Methods. We used a newly developed reconstruction method, based","authors_text":"Celine Tchernin, Charles L. Majer, Dominique Eckert, Eleonora Sarli, Matthias Bartelmann, Sven Meyer","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2015-01-13T17:06:39Z","title":"Reconstructing the projected gravitational potential of Abell 1689 from X-ray measurements"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1501.03080","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:d4340cf84c0304e5e2e46f40c2a6a50b2b2119cfb01be6f8fd76c01a144c8bba","target":"record","created_at":"2026-05-18T02:27:31Z","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":"eea01c8f2eec2d22942cd8d248c7f1dd61af5ca1228f13a29adc3581bb5e5eff","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2015-01-13T17:06:39Z","title_canon_sha256":"047ed026cf2aa8d56c99522180c0e761618e0c3a1dfd1e5b01fe8c60dbb99bc1"},"schema_version":"1.0","source":{"id":"1501.03080","kind":"arxiv","version":1}},"canonical_sha256":"4bb2405f111de58f8f013124ebc48c79f1fd47c7e8a25afe559791109c688019","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4bb2405f111de58f8f013124ebc48c79f1fd47c7e8a25afe559791109c688019","first_computed_at":"2026-05-18T02:27:31.570065Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:27:31.570065Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"kN5cd1pn5XUgM/63Kbl7qGjEAC6gtjg06C1NeT1FwztBPGu7YKq3/yLudzQuwDjv/9rV3YhI7XdUuE6lP8jqCw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:27:31.570790Z","signed_message":"canonical_sha256_bytes"},"source_id":"1501.03080","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d4340cf84c0304e5e2e46f40c2a6a50b2b2119cfb01be6f8fd76c01a144c8bba","sha256:8c204ffe28632932f7e4b35f59f73108061d84ff14f183aa0e3e0d40634629f9"],"state_sha256":"100b99c666b5d0d0d64fc7575ba6c88e366439fe0ad64970cdeeb1fd0d430ff3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JISlNMHux/XaP9Os8zVIkx+l72pUjqM5DxxwgEskqztKIdZ4dVKlp7SXXcY89HGmxNoO/VWUUOMe1L8ZaCG2Dw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T13:16:28.856389Z","bundle_sha256":"0f3f0a7ea81b0f54ae7b9d1d5b345deb6fc4502a5846566b6ccd193956f0c78f"}}