{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2009:HRTMCAFIEEQST6WUJA6IKJAVAK","short_pith_number":"pith:HRTMCAFI","canonical_record":{"source":{"id":"0910.3212","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2009-10-19T09:41:54Z","cross_cats_sorted":[],"title_canon_sha256":"39592e5f0ee881e7ab1d9ff744c13460f040a4b97573be5de283de9ec2e9e938","abstract_canon_sha256":"e42eea254ed7755aecdf5461ab7815e128a4129fa478abab1d1bb2d9ca81f2ba"},"schema_version":"1.0"},"canonical_sha256":"3c66c100a8212129fad4483c85241502bf3982dc86049414f9bb8f45217c0f48","source":{"kind":"arxiv","id":"0910.3212","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0910.3212","created_at":"2026-05-18T02:11:14Z"},{"alias_kind":"arxiv_version","alias_value":"0910.3212v1","created_at":"2026-05-18T02:11:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0910.3212","created_at":"2026-05-18T02:11:14Z"},{"alias_kind":"pith_short_12","alias_value":"HRTMCAFIEEQS","created_at":"2026-05-18T12:25:59Z"},{"alias_kind":"pith_short_16","alias_value":"HRTMCAFIEEQST6WU","created_at":"2026-05-18T12:25:59Z"},{"alias_kind":"pith_short_8","alias_value":"HRTMCAFI","created_at":"2026-05-18T12:25:59Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2009:HRTMCAFIEEQST6WUJA6IKJAVAK","target":"record","payload":{"canonical_record":{"source":{"id":"0910.3212","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2009-10-19T09:41:54Z","cross_cats_sorted":[],"title_canon_sha256":"39592e5f0ee881e7ab1d9ff744c13460f040a4b97573be5de283de9ec2e9e938","abstract_canon_sha256":"e42eea254ed7755aecdf5461ab7815e128a4129fa478abab1d1bb2d9ca81f2ba"},"schema_version":"1.0"},"canonical_sha256":"3c66c100a8212129fad4483c85241502bf3982dc86049414f9bb8f45217c0f48","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:11:14.904732Z","signature_b64":"qIKJg9yjO5bEA5+o5bYeuDjVCzOJI3N1khin2LpvITnk24+uZIdj9lnyGyt78gdxQtjLPnS48SK6kUk6uZO4Bw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3c66c100a8212129fad4483c85241502bf3982dc86049414f9bb8f45217c0f48","last_reissued_at":"2026-05-18T02:11:14.904058Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:11:14.904058Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0910.3212","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":"2026-05-18T02:11:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bMzSoOOp6yR9LNTMSRONQBhvkoboYVDqBwdDkny1b6iO2MxaY5lOvsKonNe+/wxjol/AlUVU9V/LsEs214zSCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T19:59:06.976389Z"},"content_sha256":"2171c1a25a7011c2bf9a342510375561ee322adcf7baecf63e47ca6482b95ed6","schema_version":"1.0","event_id":"sha256:2171c1a25a7011c2bf9a342510375561ee322adcf7baecf63e47ca6482b95ed6"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2009:HRTMCAFIEEQST6WUJA6IKJAVAK","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"X-ray modelling of galaxy cluster gas and mass profiles","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Alastair J. R. Sanderson, Trevor J. Ponman (University of Birmingham, UK)","submitted_at":"2009-10-19T09:41:54Z","abstract_excerpt":"We present a parametric analysis of the intracluster medium and gravitating mass distribution of a statistical sample of 20 galaxy clusters using the phenomenological cluster model of Ascasibar and Diego. We describe an effective scheme for the estimation of errors on model parameters and derived quantities using bootstrap resampling. We find that the model provides a good description of the data in all cases and we quantify the mean fractional intrinsic scatter about the best-fit density and temperature profiles, finding this to have median values across the sample of 2 and 5 per cent, respec"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0910.3212","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":"2026-05-18T02:11:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CotrwAn7582tZiMfQQHlU4/spgZgz8d2v7MagxneTnOs4B4BWss3/FXrIkEIttVX+EjwDdS1uNcbbSS9gcpiBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T19:59:06.976748Z"},"content_sha256":"25fae43f2ffcf23f6e210cf3b8e9e8c50c0ace281de50dbb1380cdff6aba84ed","schema_version":"1.0","event_id":"sha256:25fae43f2ffcf23f6e210cf3b8e9e8c50c0ace281de50dbb1380cdff6aba84ed"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HRTMCAFIEEQST6WUJA6IKJAVAK/bundle.json","state_url":"https://pith.science/pith/HRTMCAFIEEQST6WUJA6IKJAVAK/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HRTMCAFIEEQST6WUJA6IKJAVAK/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":"2026-06-02T19:59:06Z","links":{"resolver":"https://pith.science/pith/HRTMCAFIEEQST6WUJA6IKJAVAK","bundle":"https://pith.science/pith/HRTMCAFIEEQST6WUJA6IKJAVAK/bundle.json","state":"https://pith.science/pith/HRTMCAFIEEQST6WUJA6IKJAVAK/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HRTMCAFIEEQST6WUJA6IKJAVAK/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:HRTMCAFIEEQST6WUJA6IKJAVAK","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":"e42eea254ed7755aecdf5461ab7815e128a4129fa478abab1d1bb2d9ca81f2ba","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2009-10-19T09:41:54Z","title_canon_sha256":"39592e5f0ee881e7ab1d9ff744c13460f040a4b97573be5de283de9ec2e9e938"},"schema_version":"1.0","source":{"id":"0910.3212","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0910.3212","created_at":"2026-05-18T02:11:14Z"},{"alias_kind":"arxiv_version","alias_value":"0910.3212v1","created_at":"2026-05-18T02:11:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0910.3212","created_at":"2026-05-18T02:11:14Z"},{"alias_kind":"pith_short_12","alias_value":"HRTMCAFIEEQS","created_at":"2026-05-18T12:25:59Z"},{"alias_kind":"pith_short_16","alias_value":"HRTMCAFIEEQST6WU","created_at":"2026-05-18T12:25:59Z"},{"alias_kind":"pith_short_8","alias_value":"HRTMCAFI","created_at":"2026-05-18T12:25:59Z"}],"graph_snapshots":[{"event_id":"sha256:25fae43f2ffcf23f6e210cf3b8e9e8c50c0ace281de50dbb1380cdff6aba84ed","target":"graph","created_at":"2026-05-18T02:11:14Z","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":"We present a parametric analysis of the intracluster medium and gravitating mass distribution of a statistical sample of 20 galaxy clusters using the phenomenological cluster model of Ascasibar and Diego. We describe an effective scheme for the estimation of errors on model parameters and derived quantities using bootstrap resampling. We find that the model provides a good description of the data in all cases and we quantify the mean fractional intrinsic scatter about the best-fit density and temperature profiles, finding this to have median values across the sample of 2 and 5 per cent, respec","authors_text":"Alastair J. R. Sanderson, Trevor J. Ponman (University of Birmingham, UK)","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2009-10-19T09:41:54Z","title":"X-ray modelling of galaxy cluster gas and mass profiles"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0910.3212","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":"sha256:2171c1a25a7011c2bf9a342510375561ee322adcf7baecf63e47ca6482b95ed6","target":"record","created_at":"2026-05-18T02:11:14Z","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":"e42eea254ed7755aecdf5461ab7815e128a4129fa478abab1d1bb2d9ca81f2ba","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2009-10-19T09:41:54Z","title_canon_sha256":"39592e5f0ee881e7ab1d9ff744c13460f040a4b97573be5de283de9ec2e9e938"},"schema_version":"1.0","source":{"id":"0910.3212","kind":"arxiv","version":1}},"canonical_sha256":"3c66c100a8212129fad4483c85241502bf3982dc86049414f9bb8f45217c0f48","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3c66c100a8212129fad4483c85241502bf3982dc86049414f9bb8f45217c0f48","first_computed_at":"2026-05-18T02:11:14.904058Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:11:14.904058Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"qIKJg9yjO5bEA5+o5bYeuDjVCzOJI3N1khin2LpvITnk24+uZIdj9lnyGyt78gdxQtjLPnS48SK6kUk6uZO4Bw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:11:14.904732Z","signed_message":"canonical_sha256_bytes"},"source_id":"0910.3212","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2171c1a25a7011c2bf9a342510375561ee322adcf7baecf63e47ca6482b95ed6","sha256:25fae43f2ffcf23f6e210cf3b8e9e8c50c0ace281de50dbb1380cdff6aba84ed"],"state_sha256":"86ba9cced017beefe9d3a5fe360d5852766ca564a2c3b9885e0f7c785081fe54"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"l9v1Gmam7e8VFPbg34w8Agf7BsnR/yp0xK3NqXFoWmPueMDW/O2pA4JCOVsygsuEO4nUOu4lhRMiMihR4WN+CQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T19:59:06.978750Z","bundle_sha256":"d56f2bdf2d7cfab519e3074732021f9ed56c5de6db159e89dfd02f7404ab4154"}}