{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:NXHAAY6X6ZJ6KLH6YGZVPVFHMU","short_pith_number":"pith:NXHAAY6X","canonical_record":{"source":{"id":"1405.3412","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-05-14T08:48:43Z","cross_cats_sorted":[],"title_canon_sha256":"a6c142669c4832cf310c5d7f014ad6ca7c9d09c54a58db50fe507b0688fee7dd","abstract_canon_sha256":"0d9f6d9edd970ad362a7b1cacfd6f2fb0eb8cc88f3322fdb85f213b70d905a45"},"schema_version":"1.0"},"canonical_sha256":"6dce0063d7f653e52cfec1b357d4a7652a1b8ee96d40a3e4c3f05c5c1bd650a6","source":{"kind":"arxiv","id":"1405.3412","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1405.3412","created_at":"2026-05-18T02:48:56Z"},{"alias_kind":"arxiv_version","alias_value":"1405.3412v1","created_at":"2026-05-18T02:48:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1405.3412","created_at":"2026-05-18T02:48:56Z"},{"alias_kind":"pith_short_12","alias_value":"NXHAAY6X6ZJ6","created_at":"2026-05-18T12:28:41Z"},{"alias_kind":"pith_short_16","alias_value":"NXHAAY6X6ZJ6KLH6","created_at":"2026-05-18T12:28:41Z"},{"alias_kind":"pith_short_8","alias_value":"NXHAAY6X","created_at":"2026-05-18T12:28:41Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:NXHAAY6X6ZJ6KLH6YGZVPVFHMU","target":"record","payload":{"canonical_record":{"source":{"id":"1405.3412","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-05-14T08:48:43Z","cross_cats_sorted":[],"title_canon_sha256":"a6c142669c4832cf310c5d7f014ad6ca7c9d09c54a58db50fe507b0688fee7dd","abstract_canon_sha256":"0d9f6d9edd970ad362a7b1cacfd6f2fb0eb8cc88f3322fdb85f213b70d905a45"},"schema_version":"1.0"},"canonical_sha256":"6dce0063d7f653e52cfec1b357d4a7652a1b8ee96d40a3e4c3f05c5c1bd650a6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:48:56.204515Z","signature_b64":"9BtGYWnoZiSy/rwc8GESWuxpeUvI0sEE7oSOFBxlhvqssit5w3jmF8Qu+YlRleo4MIXUwNs4r4Aer7Yh4pq7Aw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6dce0063d7f653e52cfec1b357d4a7652a1b8ee96d40a3e4c3f05c5c1bd650a6","last_reissued_at":"2026-05-18T02:48:56.203981Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:48:56.203981Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1405.3412","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":"2026-05-18T02:48:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yz1hiLHcQVzRfffkegNmHoRcYiJ/76WHKT6LjlMMBiMi/O7rRXnc3V9r8Bj3NVpId74UUR/vVLva/h66kNw8Bw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T08:31:32.780508Z"},"content_sha256":"e54cf5f2ebca8607ee80a4189d88373868d6d2d60084e5b3b58b6f3561b2d334","schema_version":"1.0","event_id":"sha256:e54cf5f2ebca8607ee80a4189d88373868d6d2d60084e5b3b58b6f3561b2d334"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:NXHAAY6X6ZJ6KLH6YGZVPVFHMU","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Mining the gap: evolution of the magnitude gap in X-ray galaxy groups from the 3 square degree XMM coverage of CFHTLS","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"A. Finoguenov, D. M. Z. Jassur, E. Egami, F. Brimioulle, G. Erfanianfar, G. Gozaliasl, H. G. Khosroshahi, H. J. McCracken, J. P. Kneib, M. J. Pereira, M. Lerchster, M. Mirkazemi, M. Salvato, M. Tanaka, P. Popesso, S. Seitz, T. Erben, Y. Mellier","submitted_at":"2014-05-14T08:48:43Z","abstract_excerpt":"We present a catalog of 129 X-ray galaxy groups, covering a redshift range 0.04<z<1.23, selected in the ~3 square degree part of the CFHTLS W1 field overlapping XMM observations performed under the XMM-LSS project. We carry out a statistical study of the redshift evolution out to redshift one of the magnitude gap between the first and the second brightest cluster galaxies of a well defined mass-selected group sample. We find that the slope of the relation between the fraction of groups and the magnitude gap steepens with redshift, indicating a larger fraction of fossil groups at lower redshift"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1405.3412","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":"2026-05-18T02:48:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qlHHq5/4h3n9hNWh9NbdLR+CuKUTE6KjJ5bju75T/R7l1DVvTe6HFTQHh+x16DvhJun4FdUpS5Q+ss62MdkADA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T08:31:32.780849Z"},"content_sha256":"e94e0e64e404f4ea9423cbc0f2e4c1438bc35f9bf81d996fab24790a3f112691","schema_version":"1.0","event_id":"sha256:e94e0e64e404f4ea9423cbc0f2e4c1438bc35f9bf81d996fab24790a3f112691"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/NXHAAY6X6ZJ6KLH6YGZVPVFHMU/bundle.json","state_url":"https://pith.science/pith/NXHAAY6X6ZJ6KLH6YGZVPVFHMU/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/NXHAAY6X6ZJ6KLH6YGZVPVFHMU/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":"2026-06-06T08:31:32Z","links":{"resolver":"https://pith.science/pith/NXHAAY6X6ZJ6KLH6YGZVPVFHMU","bundle":"https://pith.science/pith/NXHAAY6X6ZJ6KLH6YGZVPVFHMU/bundle.json","state":"https://pith.science/pith/NXHAAY6X6ZJ6KLH6YGZVPVFHMU/state.json","well_known_bundle":"https://pith.science/.well-known/pith/NXHAAY6X6ZJ6KLH6YGZVPVFHMU/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:NXHAAY6X6ZJ6KLH6YGZVPVFHMU","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":"0d9f6d9edd970ad362a7b1cacfd6f2fb0eb8cc88f3322fdb85f213b70d905a45","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-05-14T08:48:43Z","title_canon_sha256":"a6c142669c4832cf310c5d7f014ad6ca7c9d09c54a58db50fe507b0688fee7dd"},"schema_version":"1.0","source":{"id":"1405.3412","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1405.3412","created_at":"2026-05-18T02:48:56Z"},{"alias_kind":"arxiv_version","alias_value":"1405.3412v1","created_at":"2026-05-18T02:48:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1405.3412","created_at":"2026-05-18T02:48:56Z"},{"alias_kind":"pith_short_12","alias_value":"NXHAAY6X6ZJ6","created_at":"2026-05-18T12:28:41Z"},{"alias_kind":"pith_short_16","alias_value":"NXHAAY6X6ZJ6KLH6","created_at":"2026-05-18T12:28:41Z"},{"alias_kind":"pith_short_8","alias_value":"NXHAAY6X","created_at":"2026-05-18T12:28:41Z"}],"graph_snapshots":[{"event_id":"sha256:e94e0e64e404f4ea9423cbc0f2e4c1438bc35f9bf81d996fab24790a3f112691","target":"graph","created_at":"2026-05-18T02:48:56Z","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 catalog of 129 X-ray galaxy groups, covering a redshift range 0.04<z<1.23, selected in the ~3 square degree part of the CFHTLS W1 field overlapping XMM observations performed under the XMM-LSS project. We carry out a statistical study of the redshift evolution out to redshift one of the magnitude gap between the first and the second brightest cluster galaxies of a well defined mass-selected group sample. We find that the slope of the relation between the fraction of groups and the magnitude gap steepens with redshift, indicating a larger fraction of fossil groups at lower redshift","authors_text":"A. Finoguenov, D. M. Z. Jassur, E. Egami, F. Brimioulle, G. Erfanianfar, G. Gozaliasl, H. G. Khosroshahi, H. J. McCracken, J. P. Kneib, M. J. Pereira, M. Lerchster, M. Mirkazemi, M. Salvato, M. Tanaka, P. Popesso, S. Seitz, T. Erben, Y. Mellier","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-05-14T08:48:43Z","title":"Mining the gap: evolution of the magnitude gap in X-ray galaxy groups from the 3 square degree XMM coverage of CFHTLS"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1405.3412","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:e54cf5f2ebca8607ee80a4189d88373868d6d2d60084e5b3b58b6f3561b2d334","target":"record","created_at":"2026-05-18T02:48:56Z","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":"0d9f6d9edd970ad362a7b1cacfd6f2fb0eb8cc88f3322fdb85f213b70d905a45","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-05-14T08:48:43Z","title_canon_sha256":"a6c142669c4832cf310c5d7f014ad6ca7c9d09c54a58db50fe507b0688fee7dd"},"schema_version":"1.0","source":{"id":"1405.3412","kind":"arxiv","version":1}},"canonical_sha256":"6dce0063d7f653e52cfec1b357d4a7652a1b8ee96d40a3e4c3f05c5c1bd650a6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6dce0063d7f653e52cfec1b357d4a7652a1b8ee96d40a3e4c3f05c5c1bd650a6","first_computed_at":"2026-05-18T02:48:56.203981Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:48:56.203981Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"9BtGYWnoZiSy/rwc8GESWuxpeUvI0sEE7oSOFBxlhvqssit5w3jmF8Qu+YlRleo4MIXUwNs4r4Aer7Yh4pq7Aw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:48:56.204515Z","signed_message":"canonical_sha256_bytes"},"source_id":"1405.3412","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e54cf5f2ebca8607ee80a4189d88373868d6d2d60084e5b3b58b6f3561b2d334","sha256:e94e0e64e404f4ea9423cbc0f2e4c1438bc35f9bf81d996fab24790a3f112691"],"state_sha256":"6d989c6d3eae232e14a4bcb45d9856c53435e0549f7fec142242b0e7e0ca31ff"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5snzJU97BeAI81LoJ0KZ/c1eXZM1puuCicD7imSMr3tJF4J2UDPyP/yUY1E1VRY+Ad9sh7p6UCBMs7NOaCGWBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-06T08:31:32.782970Z","bundle_sha256":"fa864b2c2116119161e264bb2b24ef29fddc4e8c2a720ff1977b2442c718d89d"}}