{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:Q3QIFJSUL6NFOEUX7USHDH5BRL","short_pith_number":"pith:Q3QIFJSU","canonical_record":{"source":{"id":"1212.1613","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-12-07T14:12:11Z","cross_cats_sorted":[],"title_canon_sha256":"baab1be520e95ab6fbcedbe6c759579843ca77999a7f9088b787ff0c48e88c07","abstract_canon_sha256":"c8cc903ef874ced085b6dd2807794a817bd3f088991d78ea219b6c52bd2ccc72"},"schema_version":"1.0"},"canonical_sha256":"86e082a6545f9a571297fd24719fa18ac2255995afbe31588213e762461143b5","source":{"kind":"arxiv","id":"1212.1613","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1212.1613","created_at":"2026-05-18T01:52:46Z"},{"alias_kind":"arxiv_version","alias_value":"1212.1613v1","created_at":"2026-05-18T01:52:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1212.1613","created_at":"2026-05-18T01:52:46Z"},{"alias_kind":"pith_short_12","alias_value":"Q3QIFJSUL6NF","created_at":"2026-05-18T12:27:18Z"},{"alias_kind":"pith_short_16","alias_value":"Q3QIFJSUL6NFOEUX","created_at":"2026-05-18T12:27:18Z"},{"alias_kind":"pith_short_8","alias_value":"Q3QIFJSU","created_at":"2026-05-18T12:27:18Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:Q3QIFJSUL6NFOEUX7USHDH5BRL","target":"record","payload":{"canonical_record":{"source":{"id":"1212.1613","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-12-07T14:12:11Z","cross_cats_sorted":[],"title_canon_sha256":"baab1be520e95ab6fbcedbe6c759579843ca77999a7f9088b787ff0c48e88c07","abstract_canon_sha256":"c8cc903ef874ced085b6dd2807794a817bd3f088991d78ea219b6c52bd2ccc72"},"schema_version":"1.0"},"canonical_sha256":"86e082a6545f9a571297fd24719fa18ac2255995afbe31588213e762461143b5","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:52:46.500140Z","signature_b64":"7tgXC51mSQk6ayY6yFl1+k6BvST/qij9gi9EiRCMv2YT7OYkoSoWqAA5/3dt8WaDorrScBrZZne4Vrhz9HOGAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"86e082a6545f9a571297fd24719fa18ac2255995afbe31588213e762461143b5","last_reissued_at":"2026-05-18T01:52:46.499592Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:52:46.499592Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1212.1613","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":"2026-05-18T01:52:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PF6EmZt953/Fo7EcSi1/Hds43BElblYbVsqLMnyEMtTPVKOKvMENxmNhjKuzxyh8TerAGdyhRyhxv51CunHvCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T13:37:00.987949Z"},"content_sha256":"63f756eb26c211b5829e11daae9308418213dc082a25563a37720efad5c59d99","schema_version":"1.0","event_id":"sha256:63f756eb26c211b5829e11daae9308418213dc082a25563a37720efad5c59d99"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:Q3QIFJSUL6NFOEUX7USHDH5BRL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The baryon budget on the galaxy group/cluster boundary","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"2), (2) CfA, (3) U. Florida, (4) U. Arizona, 5) Ann I. Zabludoff (4) Dennis Zaritsky (4) ((1) U. Birmingham, (5) U.Toronto), Alastair J. R. Sanderson (1), Anthony H. Gonzalez (3), Ewan O'Sullivan (1, Suresh Sivanandam (4, Trevor J. Ponman (1)","submitted_at":"2012-12-07T14:12:11Z","abstract_excerpt":"We present a study of the hot gas and stellar content of 5 optically-selected poor galaxy clusters, including a full accounting of the contribution from intracluster light (ICL) and a combined hot gas and hydrostatic X-ray mass analysis with XMM observations. We find weighted mean stellar (including ICL), gas and total baryon mass fractions within r500 of 0.026+/-0.003, 0.070+/-0.005 and 0.096+/-0.006, respectively, at a corresponding weighted mean M500 of (1.08_{-0.18}^{+0.21}) x 10^14 Msun. Even when accounting for the intracluster stars, 4 out of 5 clusters show evidence for a substantial b"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1212.1613","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":"2026-05-18T01:52:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qJRkrSlM1BdpbHR4H+uQbThjYevur25msguLQtRI4vGRfGInbHeTMd2iuuYGw+9xfpzEf36hZAXG+TYZa11zAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T13:37:00.988297Z"},"content_sha256":"11f4dada68cd3b8c12821e0a9e8b7586ad71d63931cce827b79d5fd88c607ae5","schema_version":"1.0","event_id":"sha256:11f4dada68cd3b8c12821e0a9e8b7586ad71d63931cce827b79d5fd88c607ae5"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/Q3QIFJSUL6NFOEUX7USHDH5BRL/bundle.json","state_url":"https://pith.science/pith/Q3QIFJSUL6NFOEUX7USHDH5BRL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/Q3QIFJSUL6NFOEUX7USHDH5BRL/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":"2026-06-05T13:37:00Z","links":{"resolver":"https://pith.science/pith/Q3QIFJSUL6NFOEUX7USHDH5BRL","bundle":"https://pith.science/pith/Q3QIFJSUL6NFOEUX7USHDH5BRL/bundle.json","state":"https://pith.science/pith/Q3QIFJSUL6NFOEUX7USHDH5BRL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/Q3QIFJSUL6NFOEUX7USHDH5BRL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:Q3QIFJSUL6NFOEUX7USHDH5BRL","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":"c8cc903ef874ced085b6dd2807794a817bd3f088991d78ea219b6c52bd2ccc72","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-12-07T14:12:11Z","title_canon_sha256":"baab1be520e95ab6fbcedbe6c759579843ca77999a7f9088b787ff0c48e88c07"},"schema_version":"1.0","source":{"id":"1212.1613","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1212.1613","created_at":"2026-05-18T01:52:46Z"},{"alias_kind":"arxiv_version","alias_value":"1212.1613v1","created_at":"2026-05-18T01:52:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1212.1613","created_at":"2026-05-18T01:52:46Z"},{"alias_kind":"pith_short_12","alias_value":"Q3QIFJSUL6NF","created_at":"2026-05-18T12:27:18Z"},{"alias_kind":"pith_short_16","alias_value":"Q3QIFJSUL6NFOEUX","created_at":"2026-05-18T12:27:18Z"},{"alias_kind":"pith_short_8","alias_value":"Q3QIFJSU","created_at":"2026-05-18T12:27:18Z"}],"graph_snapshots":[{"event_id":"sha256:11f4dada68cd3b8c12821e0a9e8b7586ad71d63931cce827b79d5fd88c607ae5","target":"graph","created_at":"2026-05-18T01:52:46Z","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 study of the hot gas and stellar content of 5 optically-selected poor galaxy clusters, including a full accounting of the contribution from intracluster light (ICL) and a combined hot gas and hydrostatic X-ray mass analysis with XMM observations. We find weighted mean stellar (including ICL), gas and total baryon mass fractions within r500 of 0.026+/-0.003, 0.070+/-0.005 and 0.096+/-0.006, respectively, at a corresponding weighted mean M500 of (1.08_{-0.18}^{+0.21}) x 10^14 Msun. Even when accounting for the intracluster stars, 4 out of 5 clusters show evidence for a substantial b","authors_text":"2), (2) CfA, (3) U. Florida, (4) U. Arizona, 5) Ann I. Zabludoff (4) Dennis Zaritsky (4) ((1) U. Birmingham, (5) U.Toronto), Alastair J. R. Sanderson (1), Anthony H. Gonzalez (3), Ewan O'Sullivan (1, Suresh Sivanandam (4, Trevor J. Ponman (1)","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-12-07T14:12:11Z","title":"The baryon budget on the galaxy group/cluster boundary"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1212.1613","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":"sha256:63f756eb26c211b5829e11daae9308418213dc082a25563a37720efad5c59d99","target":"record","created_at":"2026-05-18T01:52:46Z","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":"c8cc903ef874ced085b6dd2807794a817bd3f088991d78ea219b6c52bd2ccc72","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-12-07T14:12:11Z","title_canon_sha256":"baab1be520e95ab6fbcedbe6c759579843ca77999a7f9088b787ff0c48e88c07"},"schema_version":"1.0","source":{"id":"1212.1613","kind":"arxiv","version":1}},"canonical_sha256":"86e082a6545f9a571297fd24719fa18ac2255995afbe31588213e762461143b5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"86e082a6545f9a571297fd24719fa18ac2255995afbe31588213e762461143b5","first_computed_at":"2026-05-18T01:52:46.499592Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:52:46.499592Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"7tgXC51mSQk6ayY6yFl1+k6BvST/qij9gi9EiRCMv2YT7OYkoSoWqAA5/3dt8WaDorrScBrZZne4Vrhz9HOGAA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:52:46.500140Z","signed_message":"canonical_sha256_bytes"},"source_id":"1212.1613","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:63f756eb26c211b5829e11daae9308418213dc082a25563a37720efad5c59d99","sha256:11f4dada68cd3b8c12821e0a9e8b7586ad71d63931cce827b79d5fd88c607ae5"],"state_sha256":"4cc9fe58c81eeae663b41981191288f1db879d7a1e8079433ec8d2761ec9e819"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2mLg6c8zAPRuOvG9VKIUeeHb16tFN7oiFgj0arHUhSBG848DN3IMLfdBQIywJ20mB66MLYm4D8SvAzxcLnvnAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-05T13:37:00.990346Z","bundle_sha256":"86503676dd320f0e330005702bf1aa81fb6e3234b8e2318625464fc796eb02ee"}}