{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:3F44K7HXYZL7LK6UUV4HK3DH46","short_pith_number":"pith:3F44K7HX","canonical_record":{"source":{"id":"2103.03850","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2021-03-05T18:06:20Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"58c54643176fca3df36255d24e080d451b7075661033aec9d57368cac00fdea4","abstract_canon_sha256":"eaabfba116e1a280602f5b0780d2d246b63dc5c194b1f0f38268468b3ea1a6c4"},"schema_version":"1.0"},"canonical_sha256":"d979c57cf7c657f5abd4a578756c67e7be271660b32b821d1c4f7507a6e9b9c2","source":{"kind":"arxiv","id":"2103.03850","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2103.03850","created_at":"2026-07-05T02:57:16Z"},{"alias_kind":"arxiv_version","alias_value":"2103.03850v1","created_at":"2026-07-05T02:57:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2103.03850","created_at":"2026-07-05T02:57:16Z"},{"alias_kind":"pith_short_12","alias_value":"3F44K7HXYZL7","created_at":"2026-07-05T02:57:16Z"},{"alias_kind":"pith_short_16","alias_value":"3F44K7HXYZL7LK6U","created_at":"2026-07-05T02:57:16Z"},{"alias_kind":"pith_short_8","alias_value":"3F44K7HX","created_at":"2026-07-05T02:57:16Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:3F44K7HXYZL7LK6UUV4HK3DH46","target":"record","payload":{"canonical_record":{"source":{"id":"2103.03850","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2021-03-05T18:06:20Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"58c54643176fca3df36255d24e080d451b7075661033aec9d57368cac00fdea4","abstract_canon_sha256":"eaabfba116e1a280602f5b0780d2d246b63dc5c194b1f0f38268468b3ea1a6c4"},"schema_version":"1.0"},"canonical_sha256":"d979c57cf7c657f5abd4a578756c67e7be271660b32b821d1c4f7507a6e9b9c2","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:57:16.912404Z","signature_b64":"u44n8wtNLfWu+O3vcfJKUieihUAu+XQ6ammFwitnJYCUOn9D45jMekw+TBWSeOMDW4bFdqFFQDGuyoHRSevRCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d979c57cf7c657f5abd4a578756c67e7be271660b32b821d1c4f7507a6e9b9c2","last_reissued_at":"2026-07-05T02:57:16.911881Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:57:16.911881Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2103.03850","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":"2026-07-05T02:57:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Xc1vUtHuUZKSrdEVck3NtISyidAndBETEygmdV4IFmmLq0TUdOfVWsKzu1n1dh1f3Ke2Sj7rE930gzVOpAF4BQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T10:09:58.043662Z"},"content_sha256":"50188792016acdc66d5237c0aa848eda09d196246452fca67a33a8749e58f779","schema_version":"1.0","event_id":"sha256:50188792016acdc66d5237c0aa848eda09d196246452fca67a33a8749e58f779"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:3F44K7HXYZL7LK6UUV4HK3DH46","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Evolution of Splashback Boundaries and Gaseous Outskirts: Insights from Mergers of Self-similar Galaxy Clusters","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.CO","authors_text":"Andrey Kravtsov, Congyao Zhang, Eugene Churazov, Irina Zhuravleva","submitted_at":"2021-03-05T18:06:20Z","abstract_excerpt":"A self-similar spherical collapse model predicts a dark matter (DM) splashback and accretion shock in the outskirts of galaxy clusters while misses a key ingredient of structure formation - processes associated with mergers. To fill this gap, we perform simulations of merging self-similar clusters and investigate their DM and gas evolution in an idealized cosmological context. Our simulations show that the cluster rapidly contracts during the major merger and the splashback radius $r_{\\rm sp}$ decreases, approaching the virial radius $r_{\\rm vir}$. While $r_{\\rm sp}$ correlates with a smooth m"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2103.03850","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2103.03850/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T02:57:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6/x6RVrC1geJc8RHSpnwbriLYLU7wqmNvZlT+C+Q9Qsl4kOiP2pSbE4AIvFkZZZpOv/TJoJDq+/yx5/Pd2kGBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T10:09:58.044178Z"},"content_sha256":"21aba28656a067c6fce68bc80d078c43c251c4b3b19d619d6afc6f3314f032d3","schema_version":"1.0","event_id":"sha256:21aba28656a067c6fce68bc80d078c43c251c4b3b19d619d6afc6f3314f032d3"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/3F44K7HXYZL7LK6UUV4HK3DH46/bundle.json","state_url":"https://pith.science/pith/3F44K7HXYZL7LK6UUV4HK3DH46/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/3F44K7HXYZL7LK6UUV4HK3DH46/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":"2026-08-06T10:09:58Z","links":{"resolver":"https://pith.science/pith/3F44K7HXYZL7LK6UUV4HK3DH46","bundle":"https://pith.science/pith/3F44K7HXYZL7LK6UUV4HK3DH46/bundle.json","state":"https://pith.science/pith/3F44K7HXYZL7LK6UUV4HK3DH46/state.json","well_known_bundle":"https://pith.science/.well-known/pith/3F44K7HXYZL7LK6UUV4HK3DH46/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:3F44K7HXYZL7LK6UUV4HK3DH46","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":"eaabfba116e1a280602f5b0780d2d246b63dc5c194b1f0f38268468b3ea1a6c4","cross_cats_sorted":["astro-ph.GA"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2021-03-05T18:06:20Z","title_canon_sha256":"58c54643176fca3df36255d24e080d451b7075661033aec9d57368cac00fdea4"},"schema_version":"1.0","source":{"id":"2103.03850","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2103.03850","created_at":"2026-07-05T02:57:16Z"},{"alias_kind":"arxiv_version","alias_value":"2103.03850v1","created_at":"2026-07-05T02:57:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2103.03850","created_at":"2026-07-05T02:57:16Z"},{"alias_kind":"pith_short_12","alias_value":"3F44K7HXYZL7","created_at":"2026-07-05T02:57:16Z"},{"alias_kind":"pith_short_16","alias_value":"3F44K7HXYZL7LK6U","created_at":"2026-07-05T02:57:16Z"},{"alias_kind":"pith_short_8","alias_value":"3F44K7HX","created_at":"2026-07-05T02:57:16Z"}],"graph_snapshots":[{"event_id":"sha256:21aba28656a067c6fce68bc80d078c43c251c4b3b19d619d6afc6f3314f032d3","target":"graph","created_at":"2026-07-05T02:57:16Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2103.03850/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"A self-similar spherical collapse model predicts a dark matter (DM) splashback and accretion shock in the outskirts of galaxy clusters while misses a key ingredient of structure formation - processes associated with mergers. To fill this gap, we perform simulations of merging self-similar clusters and investigate their DM and gas evolution in an idealized cosmological context. Our simulations show that the cluster rapidly contracts during the major merger and the splashback radius $r_{\\rm sp}$ decreases, approaching the virial radius $r_{\\rm vir}$. While $r_{\\rm sp}$ correlates with a smooth m","authors_text":"Andrey Kravtsov, Congyao Zhang, Eugene Churazov, Irina Zhuravleva","cross_cats":["astro-ph.GA"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2021-03-05T18:06:20Z","title":"Evolution of Splashback Boundaries and Gaseous Outskirts: Insights from Mergers of Self-similar Galaxy Clusters"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2103.03850","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":"sha256:50188792016acdc66d5237c0aa848eda09d196246452fca67a33a8749e58f779","target":"record","created_at":"2026-07-05T02:57:16Z","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":"eaabfba116e1a280602f5b0780d2d246b63dc5c194b1f0f38268468b3ea1a6c4","cross_cats_sorted":["astro-ph.GA"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2021-03-05T18:06:20Z","title_canon_sha256":"58c54643176fca3df36255d24e080d451b7075661033aec9d57368cac00fdea4"},"schema_version":"1.0","source":{"id":"2103.03850","kind":"arxiv","version":1}},"canonical_sha256":"d979c57cf7c657f5abd4a578756c67e7be271660b32b821d1c4f7507a6e9b9c2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d979c57cf7c657f5abd4a578756c67e7be271660b32b821d1c4f7507a6e9b9c2","first_computed_at":"2026-07-05T02:57:16.911881Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:57:16.911881Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"u44n8wtNLfWu+O3vcfJKUieihUAu+XQ6ammFwitnJYCUOn9D45jMekw+TBWSeOMDW4bFdqFFQDGuyoHRSevRCQ==","signature_status":"signed_v1","signed_at":"2026-07-05T02:57:16.912404Z","signed_message":"canonical_sha256_bytes"},"source_id":"2103.03850","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:50188792016acdc66d5237c0aa848eda09d196246452fca67a33a8749e58f779","sha256:21aba28656a067c6fce68bc80d078c43c251c4b3b19d619d6afc6f3314f032d3"],"state_sha256":"e057a2d7dff0d6168cfcdb717fa832493e05666597d5fcbe3afab83324d495d4"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NcfxIPu9P9KdUj+QNlmYzqTf1GAVscdUn6WACZWcLsW9LANuKMbDb5+WayD+9D1oRDV9U9niWO/uHxVxXcLWAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-06T10:09:58.047932Z","bundle_sha256":"c898411e5e2f8a34701f74b487b976163c95d64c447a6cde4006910747907fd8"}}