{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:TRDVCUPCG4ULYXBYPJJAFFV7XD","short_pith_number":"pith:TRDVCUPC","canonical_record":{"source":{"id":"1502.03269","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2015-02-11T11:50:16Z","cross_cats_sorted":[],"title_canon_sha256":"6949660d3b819c4cb68b0b190c5162169bdede586b82fc907d1a61574e596400","abstract_canon_sha256":"93d94f5bd75553ee94a1f02aa8e1bb57bbb4372a97bb5db9dc9410ab436fc7ac"},"schema_version":"1.0"},"canonical_sha256":"9c475151e23728bc5c387a520296bfb8f5df454e45a9d2e63f35f7a6db770215","source":{"kind":"arxiv","id":"1502.03269","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1502.03269","created_at":"2026-05-18T01:41:03Z"},{"alias_kind":"arxiv_version","alias_value":"1502.03269v2","created_at":"2026-05-18T01:41:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1502.03269","created_at":"2026-05-18T01:41:03Z"},{"alias_kind":"pith_short_12","alias_value":"TRDVCUPCG4UL","created_at":"2026-05-18T12:29:42Z"},{"alias_kind":"pith_short_16","alias_value":"TRDVCUPCG4ULYXBY","created_at":"2026-05-18T12:29:42Z"},{"alias_kind":"pith_short_8","alias_value":"TRDVCUPC","created_at":"2026-05-18T12:29:42Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:TRDVCUPCG4ULYXBYPJJAFFV7XD","target":"record","payload":{"canonical_record":{"source":{"id":"1502.03269","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2015-02-11T11:50:16Z","cross_cats_sorted":[],"title_canon_sha256":"6949660d3b819c4cb68b0b190c5162169bdede586b82fc907d1a61574e596400","abstract_canon_sha256":"93d94f5bd75553ee94a1f02aa8e1bb57bbb4372a97bb5db9dc9410ab436fc7ac"},"schema_version":"1.0"},"canonical_sha256":"9c475151e23728bc5c387a520296bfb8f5df454e45a9d2e63f35f7a6db770215","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:41:03.806828Z","signature_b64":"RMEynt6i0BAE4d6RI1WupwffJVo59YM7T8kO9/ui8ome0DN68B8K5unUaYS6nIW6QbdsP4eNeLQeFOtYB76PDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9c475151e23728bc5c387a520296bfb8f5df454e45a9d2e63f35f7a6db770215","last_reissued_at":"2026-05-18T01:41:03.806086Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:41:03.806086Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1502.03269","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":"2026-05-18T01:41:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lPqOmXt2FBoizA4p+q0uXS4uKpMfApwld3js9Bkja6nmWZnHzP9DGhEvXtH+WxVbCohJ7iFXQ/q193rpyMEhAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-20T21:13:41.325039Z"},"content_sha256":"692d7b1eeb9d136ca30c3d004be58164ec84ef0df8bf5a9e49d9819ade3b05d0","schema_version":"1.0","event_id":"sha256:692d7b1eeb9d136ca30c3d004be58164ec84ef0df8bf5a9e49d9819ade3b05d0"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:TRDVCUPCG4ULYXBYPJJAFFV7XD","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"(No) dimming of X-ray clusters beyond z~1 at fixed mass: crude redhshifts and masses from raw X-ray and SZ data","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"A. Vikhlinin, E. Churazov, R. Sunyaev","submitted_at":"2015-02-11T11:50:16Z","abstract_excerpt":"Scaling relations in the LCDM Cosmology predict that for a given mass the clusters formed at larger redshift are hotter, denser and therefore more luminous in X-rays than their local z~0 counterparts. This effect overturns the decrease in the observable X-ray flux so that it does not decrease at z > 1, similar to the SZ signal. Provided that scaling relations remain valid at larger redshifts, X-ray surveys will not miss massive clusters at any redshift, no matter how far they are. At the same time, the difference in scaling with mass and distance of the observable SZ and X-ray signals from gal"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1502.03269","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":"2026-05-18T01:41:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QYDGSSE2pbrsp7VlwbDIhEtH+tb9mvFmFsiYduyPQoXWCAN2Lfv//3Db8bzXLEbbLR9bs+jY8BQxP2y/1ogMCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-20T21:13:41.325550Z"},"content_sha256":"0db342b53c1cc093a99e7a4e884cdc45e157ee6d8ae2becf4e48180d715e3bc2","schema_version":"1.0","event_id":"sha256:0db342b53c1cc093a99e7a4e884cdc45e157ee6d8ae2becf4e48180d715e3bc2"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/TRDVCUPCG4ULYXBYPJJAFFV7XD/bundle.json","state_url":"https://pith.science/pith/TRDVCUPCG4ULYXBYPJJAFFV7XD/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/TRDVCUPCG4ULYXBYPJJAFFV7XD/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":"2026-05-20T21:13:41Z","links":{"resolver":"https://pith.science/pith/TRDVCUPCG4ULYXBYPJJAFFV7XD","bundle":"https://pith.science/pith/TRDVCUPCG4ULYXBYPJJAFFV7XD/bundle.json","state":"https://pith.science/pith/TRDVCUPCG4ULYXBYPJJAFFV7XD/state.json","well_known_bundle":"https://pith.science/.well-known/pith/TRDVCUPCG4ULYXBYPJJAFFV7XD/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:TRDVCUPCG4ULYXBYPJJAFFV7XD","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":"93d94f5bd75553ee94a1f02aa8e1bb57bbb4372a97bb5db9dc9410ab436fc7ac","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2015-02-11T11:50:16Z","title_canon_sha256":"6949660d3b819c4cb68b0b190c5162169bdede586b82fc907d1a61574e596400"},"schema_version":"1.0","source":{"id":"1502.03269","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1502.03269","created_at":"2026-05-18T01:41:03Z"},{"alias_kind":"arxiv_version","alias_value":"1502.03269v2","created_at":"2026-05-18T01:41:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1502.03269","created_at":"2026-05-18T01:41:03Z"},{"alias_kind":"pith_short_12","alias_value":"TRDVCUPCG4UL","created_at":"2026-05-18T12:29:42Z"},{"alias_kind":"pith_short_16","alias_value":"TRDVCUPCG4ULYXBY","created_at":"2026-05-18T12:29:42Z"},{"alias_kind":"pith_short_8","alias_value":"TRDVCUPC","created_at":"2026-05-18T12:29:42Z"}],"graph_snapshots":[{"event_id":"sha256:0db342b53c1cc093a99e7a4e884cdc45e157ee6d8ae2becf4e48180d715e3bc2","target":"graph","created_at":"2026-05-18T01:41:03Z","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":"Scaling relations in the LCDM Cosmology predict that for a given mass the clusters formed at larger redshift are hotter, denser and therefore more luminous in X-rays than their local z~0 counterparts. This effect overturns the decrease in the observable X-ray flux so that it does not decrease at z > 1, similar to the SZ signal. Provided that scaling relations remain valid at larger redshifts, X-ray surveys will not miss massive clusters at any redshift, no matter how far they are. At the same time, the difference in scaling with mass and distance of the observable SZ and X-ray signals from gal","authors_text":"A. Vikhlinin, E. Churazov, R. Sunyaev","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2015-02-11T11:50:16Z","title":"(No) dimming of X-ray clusters beyond z~1 at fixed mass: crude redhshifts and masses from raw X-ray and SZ data"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1502.03269","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":"sha256:692d7b1eeb9d136ca30c3d004be58164ec84ef0df8bf5a9e49d9819ade3b05d0","target":"record","created_at":"2026-05-18T01:41:03Z","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":"93d94f5bd75553ee94a1f02aa8e1bb57bbb4372a97bb5db9dc9410ab436fc7ac","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2015-02-11T11:50:16Z","title_canon_sha256":"6949660d3b819c4cb68b0b190c5162169bdede586b82fc907d1a61574e596400"},"schema_version":"1.0","source":{"id":"1502.03269","kind":"arxiv","version":2}},"canonical_sha256":"9c475151e23728bc5c387a520296bfb8f5df454e45a9d2e63f35f7a6db770215","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9c475151e23728bc5c387a520296bfb8f5df454e45a9d2e63f35f7a6db770215","first_computed_at":"2026-05-18T01:41:03.806086Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:41:03.806086Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"RMEynt6i0BAE4d6RI1WupwffJVo59YM7T8kO9/ui8ome0DN68B8K5unUaYS6nIW6QbdsP4eNeLQeFOtYB76PDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:41:03.806828Z","signed_message":"canonical_sha256_bytes"},"source_id":"1502.03269","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:692d7b1eeb9d136ca30c3d004be58164ec84ef0df8bf5a9e49d9819ade3b05d0","sha256:0db342b53c1cc093a99e7a4e884cdc45e157ee6d8ae2becf4e48180d715e3bc2"],"state_sha256":"e37d2a65ce7e719876d142ae0130d7cc0fe2ef4b951e850e124c7ef2af178cf4"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QjBAh3Bxo47ykMFj1tnMB8u5Jjrpm3vTmPxWeUsFVit8ZwGN/FTl2TOfzsEHd0S/Wbp3OzhajWvPZ6QAo79pBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-20T21:13:41.327529Z","bundle_sha256":"90628775d7e7f30d7cf7bab190b0577235295802efaccf7eddfc19260d8fcdcf"}}