{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:3HCXQYIVWF3DRVRTBWC4IUGIEQ","short_pith_number":"pith:3HCXQYIV","canonical_record":{"source":{"id":"2101.04686","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2021-01-12T19:00:01Z","cross_cats_sorted":[],"title_canon_sha256":"10a7e270a5e2909155e6c810dcbddfb12280551ce4b313cdbfe96f900e0ac2e7","abstract_canon_sha256":"751df94da62fd4c01cd0f01129ae402870648366ad11fe7840f41072b94b6260"},"schema_version":"1.0"},"canonical_sha256":"d9c5786115b17638d6330d85c450c82405a2b66543edc3a2393f06473b8f850b","source":{"kind":"arxiv","id":"2101.04686","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2101.04686","created_at":"2026-07-05T02:57:41Z"},{"alias_kind":"arxiv_version","alias_value":"2101.04686v2","created_at":"2026-07-05T02:57:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2101.04686","created_at":"2026-07-05T02:57:41Z"},{"alias_kind":"pith_short_12","alias_value":"3HCXQYIVWF3D","created_at":"2026-07-05T02:57:41Z"},{"alias_kind":"pith_short_16","alias_value":"3HCXQYIVWF3DRVRT","created_at":"2026-07-05T02:57:41Z"},{"alias_kind":"pith_short_8","alias_value":"3HCXQYIV","created_at":"2026-07-05T02:57:41Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:3HCXQYIVWF3DRVRTBWC4IUGIEQ","target":"record","payload":{"canonical_record":{"source":{"id":"2101.04686","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2021-01-12T19:00:01Z","cross_cats_sorted":[],"title_canon_sha256":"10a7e270a5e2909155e6c810dcbddfb12280551ce4b313cdbfe96f900e0ac2e7","abstract_canon_sha256":"751df94da62fd4c01cd0f01129ae402870648366ad11fe7840f41072b94b6260"},"schema_version":"1.0"},"canonical_sha256":"d9c5786115b17638d6330d85c450c82405a2b66543edc3a2393f06473b8f850b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:57:41.477491Z","signature_b64":"CXfjmlRmDGlataQzJ5t9yvlNZU6k6jseIJjT1ZKZ6XsgYOurebu3i6cIA/BBUYMnaOddDsD0VFKs3m9roas0CA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d9c5786115b17638d6330d85c450c82405a2b66543edc3a2393f06473b8f850b","last_reissued_at":"2026-07-05T02:57:41.477059Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:57:41.477059Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2101.04686","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":"2026-07-05T02:57:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Je2qwpJwA4IY8Wru+5fcdj60CgPkpu+1t5nBOPwPuQb1xJdjP3xgtKW0jSReCShK/L0RIorY01+ZeizE5X+lDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-02T14:51:58.596499Z"},"content_sha256":"c6453f9b23296bd3257635fc209e76f9e48ea71717ac5eaf247848e4dba6c8c1","schema_version":"1.0","event_id":"sha256:c6453f9b23296bd3257635fc209e76f9e48ea71717ac5eaf247848e4dba6c8c1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:3HCXQYIVWF3DRVRTBWC4IUGIEQ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Shape and connectivity of groups and clusters: Impact of dynamical state and accretion history","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"C. Gouin, N Aghanim, T. Bonnaire","submitted_at":"2021-01-12T19:00:01Z","abstract_excerpt":"Matter distribution around clusters is highly anisotropic from their being the nodes of the cosmic web. Clusters' shape and the number of filaments they are connected to, i.e., their connectivity, should reflect their level of anisotropic matter distribution and must be, in principle, related to their physical properties. We investigate the influence of the dynamical state and the formation history on both the morphology and local connectivity of about 2400 groups and clusters of galaxies from the large hydrodynamical simulation IllustrisTNG at z=0. We find that the mass of groups and clusters"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2101.04686","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2101.04686/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":"2026-07-05T02:57:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"orZDyerdVgEgIWOfHLTXttJM57WUO1wJva2UgqFgMWg5xLC/GBtymBQu/vrny7etMbrBWDVuCXYauPgOqlQeBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-02T14:51:58.597011Z"},"content_sha256":"b3a0f326c2aa95521a615f878792874621c051a93c93bef0986a6212bbb4181a","schema_version":"1.0","event_id":"sha256:b3a0f326c2aa95521a615f878792874621c051a93c93bef0986a6212bbb4181a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/3HCXQYIVWF3DRVRTBWC4IUGIEQ/bundle.json","state_url":"https://pith.science/pith/3HCXQYIVWF3DRVRTBWC4IUGIEQ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/3HCXQYIVWF3DRVRTBWC4IUGIEQ/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":"2026-08-02T14:51:58Z","links":{"resolver":"https://pith.science/pith/3HCXQYIVWF3DRVRTBWC4IUGIEQ","bundle":"https://pith.science/pith/3HCXQYIVWF3DRVRTBWC4IUGIEQ/bundle.json","state":"https://pith.science/pith/3HCXQYIVWF3DRVRTBWC4IUGIEQ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/3HCXQYIVWF3DRVRTBWC4IUGIEQ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:3HCXQYIVWF3DRVRTBWC4IUGIEQ","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":"751df94da62fd4c01cd0f01129ae402870648366ad11fe7840f41072b94b6260","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2021-01-12T19:00:01Z","title_canon_sha256":"10a7e270a5e2909155e6c810dcbddfb12280551ce4b313cdbfe96f900e0ac2e7"},"schema_version":"1.0","source":{"id":"2101.04686","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2101.04686","created_at":"2026-07-05T02:57:41Z"},{"alias_kind":"arxiv_version","alias_value":"2101.04686v2","created_at":"2026-07-05T02:57:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2101.04686","created_at":"2026-07-05T02:57:41Z"},{"alias_kind":"pith_short_12","alias_value":"3HCXQYIVWF3D","created_at":"2026-07-05T02:57:41Z"},{"alias_kind":"pith_short_16","alias_value":"3HCXQYIVWF3DRVRT","created_at":"2026-07-05T02:57:41Z"},{"alias_kind":"pith_short_8","alias_value":"3HCXQYIV","created_at":"2026-07-05T02:57:41Z"}],"graph_snapshots":[{"event_id":"sha256:b3a0f326c2aa95521a615f878792874621c051a93c93bef0986a6212bbb4181a","target":"graph","created_at":"2026-07-05T02:57:41Z","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/2101.04686/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Matter distribution around clusters is highly anisotropic from their being the nodes of the cosmic web. Clusters' shape and the number of filaments they are connected to, i.e., their connectivity, should reflect their level of anisotropic matter distribution and must be, in principle, related to their physical properties. We investigate the influence of the dynamical state and the formation history on both the morphology and local connectivity of about 2400 groups and clusters of galaxies from the large hydrodynamical simulation IllustrisTNG at z=0. We find that the mass of groups and clusters","authors_text":"C. Gouin, N Aghanim, T. Bonnaire","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2021-01-12T19:00:01Z","title":"Shape and connectivity of groups and clusters: Impact of dynamical state and accretion history"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2101.04686","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:c6453f9b23296bd3257635fc209e76f9e48ea71717ac5eaf247848e4dba6c8c1","target":"record","created_at":"2026-07-05T02:57:41Z","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":"751df94da62fd4c01cd0f01129ae402870648366ad11fe7840f41072b94b6260","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2021-01-12T19:00:01Z","title_canon_sha256":"10a7e270a5e2909155e6c810dcbddfb12280551ce4b313cdbfe96f900e0ac2e7"},"schema_version":"1.0","source":{"id":"2101.04686","kind":"arxiv","version":2}},"canonical_sha256":"d9c5786115b17638d6330d85c450c82405a2b66543edc3a2393f06473b8f850b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d9c5786115b17638d6330d85c450c82405a2b66543edc3a2393f06473b8f850b","first_computed_at":"2026-07-05T02:57:41.477059Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:57:41.477059Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"CXfjmlRmDGlataQzJ5t9yvlNZU6k6jseIJjT1ZKZ6XsgYOurebu3i6cIA/BBUYMnaOddDsD0VFKs3m9roas0CA==","signature_status":"signed_v1","signed_at":"2026-07-05T02:57:41.477491Z","signed_message":"canonical_sha256_bytes"},"source_id":"2101.04686","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c6453f9b23296bd3257635fc209e76f9e48ea71717ac5eaf247848e4dba6c8c1","sha256:b3a0f326c2aa95521a615f878792874621c051a93c93bef0986a6212bbb4181a"],"state_sha256":"f57fe7c92084db2190c31edaa138ee556a3cfa884de9d10796045c8d931d1742"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"og2hy2h8cI0gPKIM+ku+CpmohDlAIxexozvZxjf9lHk4eST5lJZqb8SasCP1LW7mLP9UKn+P+tU58FfYUkTXCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-02T14:51:58.600307Z","bundle_sha256":"698f9ef7dfcf056f013f39e412819462db98d40a208062ed90bdd8015c59c6ec"}}