{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:4EKM64E26RSFNIZPNTYM3422JX","short_pith_number":"pith:4EKM64E2","canonical_record":{"source":{"id":"1605.02773","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-05-09T20:40:35Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"e88ad57a330a670aa2d54eb6ef3039b9e262860e0f8c4a6d52faeede7ff31983","abstract_canon_sha256":"53da5c9c67ccae224f302e5595a443ab1410ae2dcee53476761a1535b835b247"},"schema_version":"1.0"},"canonical_sha256":"e114cf709af46456a32f6cf0cdf35a4dfce23037a77e6fd2a04718274974548c","source":{"kind":"arxiv","id":"1605.02773","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1605.02773","created_at":"2026-05-18T01:10:04Z"},{"alias_kind":"arxiv_version","alias_value":"1605.02773v2","created_at":"2026-05-18T01:10:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1605.02773","created_at":"2026-05-18T01:10:04Z"},{"alias_kind":"pith_short_12","alias_value":"4EKM64E26RSF","created_at":"2026-05-18T12:29:58Z"},{"alias_kind":"pith_short_16","alias_value":"4EKM64E26RSFNIZP","created_at":"2026-05-18T12:29:58Z"},{"alias_kind":"pith_short_8","alias_value":"4EKM64E2","created_at":"2026-05-18T12:29:58Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:4EKM64E26RSFNIZPNTYM3422JX","target":"record","payload":{"canonical_record":{"source":{"id":"1605.02773","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-05-09T20:40:35Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"e88ad57a330a670aa2d54eb6ef3039b9e262860e0f8c4a6d52faeede7ff31983","abstract_canon_sha256":"53da5c9c67ccae224f302e5595a443ab1410ae2dcee53476761a1535b835b247"},"schema_version":"1.0"},"canonical_sha256":"e114cf709af46456a32f6cf0cdf35a4dfce23037a77e6fd2a04718274974548c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:10:04.887946Z","signature_b64":"q3rq2N66BFJ/fW2IVYMzao8XowkNreS8xA1xWaq0iUv2TrKOn41n9IrPb2toIXKX2Sk6RO/DSIzG+w4IXpkVDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e114cf709af46456a32f6cf0cdf35a4dfce23037a77e6fd2a04718274974548c","last_reissued_at":"2026-05-18T01:10:04.887355Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:10:04.887355Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1605.02773","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":"2026-05-18T01:10:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"N+Y7iiF6alxC1iKEcUU8KkToSQ0cByHNFXEZN6PILXzCEJpJAacBaW2YbbUNGMEyZDXe2dccVvdWEx96s5o0AA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T19:13:05.449986Z"},"content_sha256":"084b2abd311852e76c2d7118b63968f591d716825952094a07bc222878bfc3b0","schema_version":"1.0","event_id":"sha256:084b2abd311852e76c2d7118b63968f591d716825952094a07bc222878bfc3b0"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:4EKM64E26RSFNIZPNTYM3422JX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Entire Virial Radius of the Fossil Cluster RXJ1159+5531: II. Dark Matter and Baryon Fraction","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"astro-ph.GA","authors_text":"David A. Buote (UC Irvine), Fabio Gastaldello (INAF-IASF Milan), Fabrizio Brighenti (Bologna), Yuanyuan Su (Harvard/CfA)","submitted_at":"2016-05-09T20:40:35Z","abstract_excerpt":"In this second paper on the entire virial region of the relaxed fossil cluster RXJ1159+5531, we present a hydrostatic analysis of the hot intracluster medium (ICM). For a model consisting of ICM, stellar mass from the central galaxy (BCG), and an NFW dark matter (DM) halo, we obtain good descriptions of the projected radial profiles of ICM emissivity and temperature. The BCG stellar mass is clearly detected with M_star/L_K = 0.61 +/- 0.11 solar, consistent with stellar population synthesis models for a Milky-Way IMF. We obtain a halo concentration, c_200 =8.4 +/- 1.0, and virial mass, M_200 = "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1605.02773","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":"2026-05-18T01:10:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BMWrLdVyb8dPfX35xr15IK42x+s/NOTEvQ6jGxL5g3B9AHdSbOqq7e2Gjjq4AQPone/sKBoiMFIUqPoF8EyyBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T19:13:05.450406Z"},"content_sha256":"f70c771c09339656322d9f2b2e9df1d50ed8348bcce8f1bfc78fccae48484420","schema_version":"1.0","event_id":"sha256:f70c771c09339656322d9f2b2e9df1d50ed8348bcce8f1bfc78fccae48484420"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4EKM64E26RSFNIZPNTYM3422JX/bundle.json","state_url":"https://pith.science/pith/4EKM64E26RSFNIZPNTYM3422JX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4EKM64E26RSFNIZPNTYM3422JX/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":"2026-06-07T19:13:05Z","links":{"resolver":"https://pith.science/pith/4EKM64E26RSFNIZPNTYM3422JX","bundle":"https://pith.science/pith/4EKM64E26RSFNIZPNTYM3422JX/bundle.json","state":"https://pith.science/pith/4EKM64E26RSFNIZPNTYM3422JX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4EKM64E26RSFNIZPNTYM3422JX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:4EKM64E26RSFNIZPNTYM3422JX","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":"53da5c9c67ccae224f302e5595a443ab1410ae2dcee53476761a1535b835b247","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-05-09T20:40:35Z","title_canon_sha256":"e88ad57a330a670aa2d54eb6ef3039b9e262860e0f8c4a6d52faeede7ff31983"},"schema_version":"1.0","source":{"id":"1605.02773","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1605.02773","created_at":"2026-05-18T01:10:04Z"},{"alias_kind":"arxiv_version","alias_value":"1605.02773v2","created_at":"2026-05-18T01:10:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1605.02773","created_at":"2026-05-18T01:10:04Z"},{"alias_kind":"pith_short_12","alias_value":"4EKM64E26RSF","created_at":"2026-05-18T12:29:58Z"},{"alias_kind":"pith_short_16","alias_value":"4EKM64E26RSFNIZP","created_at":"2026-05-18T12:29:58Z"},{"alias_kind":"pith_short_8","alias_value":"4EKM64E2","created_at":"2026-05-18T12:29:58Z"}],"graph_snapshots":[{"event_id":"sha256:f70c771c09339656322d9f2b2e9df1d50ed8348bcce8f1bfc78fccae48484420","target":"graph","created_at":"2026-05-18T01:10:04Z","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 second paper on the entire virial region of the relaxed fossil cluster RXJ1159+5531, we present a hydrostatic analysis of the hot intracluster medium (ICM). For a model consisting of ICM, stellar mass from the central galaxy (BCG), and an NFW dark matter (DM) halo, we obtain good descriptions of the projected radial profiles of ICM emissivity and temperature. The BCG stellar mass is clearly detected with M_star/L_K = 0.61 +/- 0.11 solar, consistent with stellar population synthesis models for a Milky-Way IMF. We obtain a halo concentration, c_200 =8.4 +/- 1.0, and virial mass, M_200 = ","authors_text":"David A. Buote (UC Irvine), Fabio Gastaldello (INAF-IASF Milan), Fabrizio Brighenti (Bologna), Yuanyuan Su (Harvard/CfA)","cross_cats":["astro-ph.CO"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-05-09T20:40:35Z","title":"The Entire Virial Radius of the Fossil Cluster RXJ1159+5531: II. Dark Matter and Baryon Fraction"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1605.02773","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":"sha256:084b2abd311852e76c2d7118b63968f591d716825952094a07bc222878bfc3b0","target":"record","created_at":"2026-05-18T01:10:04Z","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":"53da5c9c67ccae224f302e5595a443ab1410ae2dcee53476761a1535b835b247","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-05-09T20:40:35Z","title_canon_sha256":"e88ad57a330a670aa2d54eb6ef3039b9e262860e0f8c4a6d52faeede7ff31983"},"schema_version":"1.0","source":{"id":"1605.02773","kind":"arxiv","version":2}},"canonical_sha256":"e114cf709af46456a32f6cf0cdf35a4dfce23037a77e6fd2a04718274974548c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e114cf709af46456a32f6cf0cdf35a4dfce23037a77e6fd2a04718274974548c","first_computed_at":"2026-05-18T01:10:04.887355Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:10:04.887355Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"q3rq2N66BFJ/fW2IVYMzao8XowkNreS8xA1xWaq0iUv2TrKOn41n9IrPb2toIXKX2Sk6RO/DSIzG+w4IXpkVDg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:10:04.887946Z","signed_message":"canonical_sha256_bytes"},"source_id":"1605.02773","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:084b2abd311852e76c2d7118b63968f591d716825952094a07bc222878bfc3b0","sha256:f70c771c09339656322d9f2b2e9df1d50ed8348bcce8f1bfc78fccae48484420"],"state_sha256":"46a6a97f21c327ecd3e0abeabe85e195c53bfbaea1e37c73e3877889fc9d7b36"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1Vbi37Ie1eZ5AEXqgZMuRhHuAKmpGCuyasIkwpqZ5qsNQ05xJvRNdMwPlU0bF0yqP53jzthSZWdd5GuaufDGDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-07T19:13:05.452796Z","bundle_sha256":"aaa59c4eaec6e954a771e200a8fd7b691bb7324049621febfe9654c25a68ddd0"}}