{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:JFG4RZRVK4BIU2XIGVIONHGYQB","short_pith_number":"pith:JFG4RZRV","canonical_record":{"source":{"id":"1812.08797","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2018-12-20T19:00:03Z","cross_cats_sorted":[],"title_canon_sha256":"19c7cca2146690ae36f977ea0742253a083c5c25ab7f25ed5377a80e8b95af06","abstract_canon_sha256":"d214eb97d92f2187ac50855a9c98ed605a587fc40454f1ad0c6411b1f25df658"},"schema_version":"1.0"},"canonical_sha256":"494dc8e63557028a6ae83550e69cd8804d5f694aaca91a304732b70779ae332d","source":{"kind":"arxiv","id":"1812.08797","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1812.08797","created_at":"2026-05-17T23:49:02Z"},{"alias_kind":"arxiv_version","alias_value":"1812.08797v2","created_at":"2026-05-17T23:49:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1812.08797","created_at":"2026-05-17T23:49:02Z"},{"alias_kind":"pith_short_12","alias_value":"JFG4RZRVK4BI","created_at":"2026-05-18T12:32:31Z"},{"alias_kind":"pith_short_16","alias_value":"JFG4RZRVK4BIU2XI","created_at":"2026-05-18T12:32:31Z"},{"alias_kind":"pith_short_8","alias_value":"JFG4RZRV","created_at":"2026-05-18T12:32:31Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:JFG4RZRVK4BIU2XIGVIONHGYQB","target":"record","payload":{"canonical_record":{"source":{"id":"1812.08797","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2018-12-20T19:00:03Z","cross_cats_sorted":[],"title_canon_sha256":"19c7cca2146690ae36f977ea0742253a083c5c25ab7f25ed5377a80e8b95af06","abstract_canon_sha256":"d214eb97d92f2187ac50855a9c98ed605a587fc40454f1ad0c6411b1f25df658"},"schema_version":"1.0"},"canonical_sha256":"494dc8e63557028a6ae83550e69cd8804d5f694aaca91a304732b70779ae332d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:49:02.449062Z","signature_b64":"nm3nk081eXXLIVm0eOFUiB8cMYxwyoaJlD2VcZh0ldpQQct9OMJT6jxsn6+ztWPURiP2AZKK8Z2rPNdi3M/VAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"494dc8e63557028a6ae83550e69cd8804d5f694aaca91a304732b70779ae332d","last_reissued_at":"2026-05-17T23:49:02.448556Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:49:02.448556Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1812.08797","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":"2026-05-17T23:49:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QCLRJqo15Mcn65ErusvpABAhcagFlauEDfs/f2VqHjWx748tK9BJan1y35ttgAPI4Nr9L2lUQs4C/16KCC7FDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T03:12:35.258400Z"},"content_sha256":"32672b50f0802ce139c4ac7415f03522722543bd1a005490a327cc3c1e6cb0d9","schema_version":"1.0","event_id":"sha256:32672b50f0802ce139c4ac7415f03522722543bd1a005490a327cc3c1e6cb0d9"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:JFG4RZRVK4BIU2XIGVIONHGYQB","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Multi-wavelength Analysis of the Merging Galaxy Cluster A115","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"David M. Wittman, Kyle Finner, Mincheol Kim, M. James Jee, Nathan Golovich, R. J. van Weeren, W. A. Dawson","submitted_at":"2018-12-20T19:00:03Z","abstract_excerpt":"A115 is a merging galaxy cluster at $z\\sim0.2$ with a number of remarkable features including a giant ($\\sim2.5$ Mpc) radio relic, two asymmetric X-ray peaks with trailing tails, and a peculiar line-of-sight velocity structure. We present a multi-wavelength study of A115 using optical imaging data from Subaru, X-ray data from $Chandra$, and spectroscopic data from the Keck/DEIMOS and MMT/Hectospec instruments. Our weak-lensing analysis shows that the cluster is comprised of two subclusters whose mass centroids are in excellent agreement with the two BCG positions ($\\lesssim10$\"). By modeling A"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1812.08797","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":"2026-05-17T23:49:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Okn4pElw0h1AdoY+iqMTfzKP/CGNVfUj6NMeRrgyZDlxgNaSnuRyMs7KBEhbiRuFST8mte+ieplJWp/aK6B/DA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T03:12:35.258744Z"},"content_sha256":"63f2e73908dacda250fa570df0c69f718cd6e95ed2c2a1da167a3726dfe0713a","schema_version":"1.0","event_id":"sha256:63f2e73908dacda250fa570df0c69f718cd6e95ed2c2a1da167a3726dfe0713a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JFG4RZRVK4BIU2XIGVIONHGYQB/bundle.json","state_url":"https://pith.science/pith/JFG4RZRVK4BIU2XIGVIONHGYQB/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JFG4RZRVK4BIU2XIGVIONHGYQB/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":"2026-06-02T03:12:35Z","links":{"resolver":"https://pith.science/pith/JFG4RZRVK4BIU2XIGVIONHGYQB","bundle":"https://pith.science/pith/JFG4RZRVK4BIU2XIGVIONHGYQB/bundle.json","state":"https://pith.science/pith/JFG4RZRVK4BIU2XIGVIONHGYQB/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JFG4RZRVK4BIU2XIGVIONHGYQB/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:JFG4RZRVK4BIU2XIGVIONHGYQB","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":"d214eb97d92f2187ac50855a9c98ed605a587fc40454f1ad0c6411b1f25df658","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2018-12-20T19:00:03Z","title_canon_sha256":"19c7cca2146690ae36f977ea0742253a083c5c25ab7f25ed5377a80e8b95af06"},"schema_version":"1.0","source":{"id":"1812.08797","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1812.08797","created_at":"2026-05-17T23:49:02Z"},{"alias_kind":"arxiv_version","alias_value":"1812.08797v2","created_at":"2026-05-17T23:49:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1812.08797","created_at":"2026-05-17T23:49:02Z"},{"alias_kind":"pith_short_12","alias_value":"JFG4RZRVK4BI","created_at":"2026-05-18T12:32:31Z"},{"alias_kind":"pith_short_16","alias_value":"JFG4RZRVK4BIU2XI","created_at":"2026-05-18T12:32:31Z"},{"alias_kind":"pith_short_8","alias_value":"JFG4RZRV","created_at":"2026-05-18T12:32:31Z"}],"graph_snapshots":[{"event_id":"sha256:63f2e73908dacda250fa570df0c69f718cd6e95ed2c2a1da167a3726dfe0713a","target":"graph","created_at":"2026-05-17T23:49:02Z","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":"A115 is a merging galaxy cluster at $z\\sim0.2$ with a number of remarkable features including a giant ($\\sim2.5$ Mpc) radio relic, two asymmetric X-ray peaks with trailing tails, and a peculiar line-of-sight velocity structure. We present a multi-wavelength study of A115 using optical imaging data from Subaru, X-ray data from $Chandra$, and spectroscopic data from the Keck/DEIMOS and MMT/Hectospec instruments. Our weak-lensing analysis shows that the cluster is comprised of two subclusters whose mass centroids are in excellent agreement with the two BCG positions ($\\lesssim10$\"). By modeling A","authors_text":"David M. Wittman, Kyle Finner, Mincheol Kim, M. James Jee, Nathan Golovich, R. J. van Weeren, W. A. Dawson","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2018-12-20T19:00:03Z","title":"Multi-wavelength Analysis of the Merging Galaxy Cluster A115"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1812.08797","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":"sha256:32672b50f0802ce139c4ac7415f03522722543bd1a005490a327cc3c1e6cb0d9","target":"record","created_at":"2026-05-17T23:49:02Z","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":"d214eb97d92f2187ac50855a9c98ed605a587fc40454f1ad0c6411b1f25df658","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2018-12-20T19:00:03Z","title_canon_sha256":"19c7cca2146690ae36f977ea0742253a083c5c25ab7f25ed5377a80e8b95af06"},"schema_version":"1.0","source":{"id":"1812.08797","kind":"arxiv","version":2}},"canonical_sha256":"494dc8e63557028a6ae83550e69cd8804d5f694aaca91a304732b70779ae332d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"494dc8e63557028a6ae83550e69cd8804d5f694aaca91a304732b70779ae332d","first_computed_at":"2026-05-17T23:49:02.448556Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:49:02.448556Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"nm3nk081eXXLIVm0eOFUiB8cMYxwyoaJlD2VcZh0ldpQQct9OMJT6jxsn6+ztWPURiP2AZKK8Z2rPNdi3M/VAA==","signature_status":"signed_v1","signed_at":"2026-05-17T23:49:02.449062Z","signed_message":"canonical_sha256_bytes"},"source_id":"1812.08797","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:32672b50f0802ce139c4ac7415f03522722543bd1a005490a327cc3c1e6cb0d9","sha256:63f2e73908dacda250fa570df0c69f718cd6e95ed2c2a1da167a3726dfe0713a"],"state_sha256":"a926db048cbdc84a334a4eacbd3939841187d566277a098f7e9db765c2614ed6"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YNgAHIDArzZ/w7gYt6S68FWqW9/5FUp4XdaA7HtSR1qA+VCycO+NI19/hMxUchzVgSzyQQ5UQVqEs+Nk96h5Cw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T03:12:35.260706Z","bundle_sha256":"9708a01268d1c15ffcf338aabce7aa5c4510381a506c23ce97393d1927c23565"}}