{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:JQZCEGJDYP54X7VAG55MXZ2ZNW","short_pith_number":"pith:JQZCEGJD","canonical_record":{"source":{"id":"1706.06107","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-06-19T18:00:05Z","cross_cats_sorted":[],"title_canon_sha256":"e927573c9afe66108e7a6d8c9bdc12b39e2e896ac12cd83c4f1abf58e9eb21ec","abstract_canon_sha256":"975fc8cf4cd7a7d55b0ae137243c2a8c7d6861fa54b3a8047ba67827c341464e"},"schema_version":"1.0"},"canonical_sha256":"4c32221923c3fbcbfea0377acbe7596da4474dacbcbfd87b82b151e909870a6c","source":{"kind":"arxiv","id":"1706.06107","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1706.06107","created_at":"2026-05-18T00:38:50Z"},{"alias_kind":"arxiv_version","alias_value":"1706.06107v1","created_at":"2026-05-18T00:38:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1706.06107","created_at":"2026-05-18T00:38:50Z"},{"alias_kind":"pith_short_12","alias_value":"JQZCEGJDYP54","created_at":"2026-05-18T12:31:24Z"},{"alias_kind":"pith_short_16","alias_value":"JQZCEGJDYP54X7VA","created_at":"2026-05-18T12:31:24Z"},{"alias_kind":"pith_short_8","alias_value":"JQZCEGJD","created_at":"2026-05-18T12:31:24Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:JQZCEGJDYP54X7VAG55MXZ2ZNW","target":"record","payload":{"canonical_record":{"source":{"id":"1706.06107","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-06-19T18:00:05Z","cross_cats_sorted":[],"title_canon_sha256":"e927573c9afe66108e7a6d8c9bdc12b39e2e896ac12cd83c4f1abf58e9eb21ec","abstract_canon_sha256":"975fc8cf4cd7a7d55b0ae137243c2a8c7d6861fa54b3a8047ba67827c341464e"},"schema_version":"1.0"},"canonical_sha256":"4c32221923c3fbcbfea0377acbe7596da4474dacbcbfd87b82b151e909870a6c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:38:50.767399Z","signature_b64":"csnGGN4BxQYQ7nL7GrhdvyvEuLUo7ecGEIXMxKu/ViWr1qE1oRYAjKrIZzWKJAGLV7BDfzjcCY+pPZrFh0ZgDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4c32221923c3fbcbfea0377acbe7596da4474dacbcbfd87b82b151e909870a6c","last_reissued_at":"2026-05-18T00:38:50.766868Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:38:50.766868Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1706.06107","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":"2026-05-18T00:38:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8zO6mUXDNG2x6UGjh1Kb0gknoH6c1EjfMaGG0xPmwwpHAICtqd8HZvJtM8HU28NzBY7hosgXjAUlH3Y4s9z+BA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T12:32:55.115616Z"},"content_sha256":"48e98f87e6f190430f5cbe9bcc3f4d5122a8c8a8cc649a6044c4daa1b4f5c799","schema_version":"1.0","event_id":"sha256:48e98f87e6f190430f5cbe9bcc3f4d5122a8c8a8cc649a6044c4daa1b4f5c799"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:JQZCEGJDYP54X7VAG55MXZ2ZNW","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Pixel Color-Magnitude Diagram Analysis of the Brightest Cluster Galaxies in Dynamically Young and Old Clusters, Abell 1139 and Abell 2589","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Byeong-Gon Park, Hyunjin Jeong, Jaemann Kyeong, Joon Hyeop Lee, Sree Oh, Sukyoung K. Yi","submitted_at":"2017-06-19T18:00:05Z","abstract_excerpt":"As a case study to understand the coevolution of Brightest Cluster Galaxies (BCGs) and their host clusters, we investigate the BCGs in dynamically young and old clusters, Abell 1139 (A1139) and Abell 2589 (A2589). We analyze the pixel color-magnitude diagrams (pCMDs) using deep g- and r-band images, obtained from the Canada-France-Hawaii Telescope observations. After masking foreground/background objects and smoothing pixels in consideration of the observational seeing size, detailed pCMD features are compared between the two BCGs. (1) While the overall shapes of the pCMDs are similar to those"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1706.06107","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":"2026-05-18T00:38:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Zm3K7qpkfE4YiZOdD1FwRyKH8YTY7CEX7Dtde2PXZegI87VFhf5Q/fdXiy2pCWDJpFQnkDnQqCv3FcLMLDmFDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T12:32:55.115955Z"},"content_sha256":"4a3e1ed63800fbd0dc9b202393a109de6730a67b450918ceb4e499abcd17344a","schema_version":"1.0","event_id":"sha256:4a3e1ed63800fbd0dc9b202393a109de6730a67b450918ceb4e499abcd17344a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JQZCEGJDYP54X7VAG55MXZ2ZNW/bundle.json","state_url":"https://pith.science/pith/JQZCEGJDYP54X7VAG55MXZ2ZNW/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JQZCEGJDYP54X7VAG55MXZ2ZNW/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":"2026-05-28T12:32:55Z","links":{"resolver":"https://pith.science/pith/JQZCEGJDYP54X7VAG55MXZ2ZNW","bundle":"https://pith.science/pith/JQZCEGJDYP54X7VAG55MXZ2ZNW/bundle.json","state":"https://pith.science/pith/JQZCEGJDYP54X7VAG55MXZ2ZNW/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JQZCEGJDYP54X7VAG55MXZ2ZNW/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:JQZCEGJDYP54X7VAG55MXZ2ZNW","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":"975fc8cf4cd7a7d55b0ae137243c2a8c7d6861fa54b3a8047ba67827c341464e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-06-19T18:00:05Z","title_canon_sha256":"e927573c9afe66108e7a6d8c9bdc12b39e2e896ac12cd83c4f1abf58e9eb21ec"},"schema_version":"1.0","source":{"id":"1706.06107","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1706.06107","created_at":"2026-05-18T00:38:50Z"},{"alias_kind":"arxiv_version","alias_value":"1706.06107v1","created_at":"2026-05-18T00:38:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1706.06107","created_at":"2026-05-18T00:38:50Z"},{"alias_kind":"pith_short_12","alias_value":"JQZCEGJDYP54","created_at":"2026-05-18T12:31:24Z"},{"alias_kind":"pith_short_16","alias_value":"JQZCEGJDYP54X7VA","created_at":"2026-05-18T12:31:24Z"},{"alias_kind":"pith_short_8","alias_value":"JQZCEGJD","created_at":"2026-05-18T12:31:24Z"}],"graph_snapshots":[{"event_id":"sha256:4a3e1ed63800fbd0dc9b202393a109de6730a67b450918ceb4e499abcd17344a","target":"graph","created_at":"2026-05-18T00:38:50Z","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":"As a case study to understand the coevolution of Brightest Cluster Galaxies (BCGs) and their host clusters, we investigate the BCGs in dynamically young and old clusters, Abell 1139 (A1139) and Abell 2589 (A2589). We analyze the pixel color-magnitude diagrams (pCMDs) using deep g- and r-band images, obtained from the Canada-France-Hawaii Telescope observations. After masking foreground/background objects and smoothing pixels in consideration of the observational seeing size, detailed pCMD features are compared between the two BCGs. (1) While the overall shapes of the pCMDs are similar to those","authors_text":"Byeong-Gon Park, Hyunjin Jeong, Jaemann Kyeong, Joon Hyeop Lee, Sree Oh, Sukyoung K. Yi","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-06-19T18:00:05Z","title":"Pixel Color-Magnitude Diagram Analysis of the Brightest Cluster Galaxies in Dynamically Young and Old Clusters, Abell 1139 and Abell 2589"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1706.06107","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":"sha256:48e98f87e6f190430f5cbe9bcc3f4d5122a8c8a8cc649a6044c4daa1b4f5c799","target":"record","created_at":"2026-05-18T00:38:50Z","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":"975fc8cf4cd7a7d55b0ae137243c2a8c7d6861fa54b3a8047ba67827c341464e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-06-19T18:00:05Z","title_canon_sha256":"e927573c9afe66108e7a6d8c9bdc12b39e2e896ac12cd83c4f1abf58e9eb21ec"},"schema_version":"1.0","source":{"id":"1706.06107","kind":"arxiv","version":1}},"canonical_sha256":"4c32221923c3fbcbfea0377acbe7596da4474dacbcbfd87b82b151e909870a6c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4c32221923c3fbcbfea0377acbe7596da4474dacbcbfd87b82b151e909870a6c","first_computed_at":"2026-05-18T00:38:50.766868Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:38:50.766868Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"csnGGN4BxQYQ7nL7GrhdvyvEuLUo7ecGEIXMxKu/ViWr1qE1oRYAjKrIZzWKJAGLV7BDfzjcCY+pPZrFh0ZgDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:38:50.767399Z","signed_message":"canonical_sha256_bytes"},"source_id":"1706.06107","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:48e98f87e6f190430f5cbe9bcc3f4d5122a8c8a8cc649a6044c4daa1b4f5c799","sha256:4a3e1ed63800fbd0dc9b202393a109de6730a67b450918ceb4e499abcd17344a"],"state_sha256":"b72389b6da965a23472c05046e83d684c09da9399f0ed17a297f9eaaad12d8b2"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8LBxGre4e1gexlZWSc5M2neA17SXmehVetfTd7IVEzvQ6q3Nl4QNnOK9UUiWNjBBB1uw42dAl8IVIiDMolyNAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T12:32:55.117936Z","bundle_sha256":"7754c9bef4d66bf3650115d0a0dacc19b03f4f257e503c74ccfc06f53bfc2aa4"}}