{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:7GRMG5VCMXQWMYFH4Y77EGU26E","short_pith_number":"pith:7GRMG5VC","canonical_record":{"source":{"id":"1804.08843","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-04-24T05:20:55Z","cross_cats_sorted":[],"title_canon_sha256":"349271dacd5592f9ce2962c188b7f291ce8867e2bea2d0e6f371552d635c0d98","abstract_canon_sha256":"ab602056f45036f4ba6c86f55660a3dcab199f37a61cd65f1d87acc928023ca8"},"schema_version":"1.0"},"canonical_sha256":"f9a2c376a265e16660a7e63ff21a9af13718ca471cc82d6d3bfd07d4d5708fcb","source":{"kind":"arxiv","id":"1804.08843","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1804.08843","created_at":"2026-05-18T00:12:08Z"},{"alias_kind":"arxiv_version","alias_value":"1804.08843v2","created_at":"2026-05-18T00:12:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.08843","created_at":"2026-05-18T00:12:08Z"},{"alias_kind":"pith_short_12","alias_value":"7GRMG5VCMXQW","created_at":"2026-05-18T12:32:11Z"},{"alias_kind":"pith_short_16","alias_value":"7GRMG5VCMXQWMYFH","created_at":"2026-05-18T12:32:11Z"},{"alias_kind":"pith_short_8","alias_value":"7GRMG5VC","created_at":"2026-05-18T12:32:11Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:7GRMG5VCMXQWMYFH4Y77EGU26E","target":"record","payload":{"canonical_record":{"source":{"id":"1804.08843","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-04-24T05:20:55Z","cross_cats_sorted":[],"title_canon_sha256":"349271dacd5592f9ce2962c188b7f291ce8867e2bea2d0e6f371552d635c0d98","abstract_canon_sha256":"ab602056f45036f4ba6c86f55660a3dcab199f37a61cd65f1d87acc928023ca8"},"schema_version":"1.0"},"canonical_sha256":"f9a2c376a265e16660a7e63ff21a9af13718ca471cc82d6d3bfd07d4d5708fcb","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:12:08.705257Z","signature_b64":"SAvL9koamxCaKLRB/CUfY33x5JDyrNjDuGwZpGwqIncyx31AaKXZMxfUKir828Lkzy+AwbZUqGg92EuelD9uBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f9a2c376a265e16660a7e63ff21a9af13718ca471cc82d6d3bfd07d4d5708fcb","last_reissued_at":"2026-05-18T00:12:08.704777Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:12:08.704777Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1804.08843","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":"2026-05-18T00:12:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dIrOnKbVi7qOO87NijetmzeAPZaU8T9wK4ry5u/M3ONRqueBxuJB22p4h7XkRBQobuzgFNrctja67kq26gwTDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T05:03:34.794489Z"},"content_sha256":"dc11b402f3727a8ab006ec59896c588adf7b134d57aaf7c295b94fd08737cc01","schema_version":"1.0","event_id":"sha256:dc11b402f3727a8ab006ec59896c588adf7b134d57aaf7c295b94fd08737cc01"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:7GRMG5VCMXQWMYFH4Y77EGU26E","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Projected alignment of non-sphericities of stellar, gas, and dark matter distributions in galaxy clusters: analysis of the Horizon-AGN simulation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Masamune Oguri, S\\'ebastien Peirani, Shin Sasaki, Taizo Okabe, Takahiro Nishimichi, Tetsu Kitayama, Yasushi Suto","submitted_at":"2018-04-24T05:20:55Z","abstract_excerpt":"While various observations measured ellipticities of galaxy clusters and alignments between orientations of the brightest cluster galaxies and their host clusters, there are only a handful of numerical simulations that implement realistic baryon physics to allow direct comparisons with those observations. Here we investigate ellipticities of galaxy clusters and alignments between various components of them and the central galaxies in the state-of-the-art cosmological hydrodynamical simulation Horizon-AGN, which contains dark matter, stellar, and gas components in a large simulation box of $(10"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.08843","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":"2026-05-18T00:12:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"elmcTb3sEAvm2rY40vd0GrMYa32wU9qQ+spfUZ+S1xUiNUHHFfCVdQOHsgEm0z2GFLV/rXZNZ6rDNe8FbqWaAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T05:03:34.794834Z"},"content_sha256":"d66c99f2dd0e663723c25dd0d9404bb12472e9017b8c4e95f7de5fd1ae2aa8ce","schema_version":"1.0","event_id":"sha256:d66c99f2dd0e663723c25dd0d9404bb12472e9017b8c4e95f7de5fd1ae2aa8ce"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7GRMG5VCMXQWMYFH4Y77EGU26E/bundle.json","state_url":"https://pith.science/pith/7GRMG5VCMXQWMYFH4Y77EGU26E/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7GRMG5VCMXQWMYFH4Y77EGU26E/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":"2026-05-30T05:03:34Z","links":{"resolver":"https://pith.science/pith/7GRMG5VCMXQWMYFH4Y77EGU26E","bundle":"https://pith.science/pith/7GRMG5VCMXQWMYFH4Y77EGU26E/bundle.json","state":"https://pith.science/pith/7GRMG5VCMXQWMYFH4Y77EGU26E/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7GRMG5VCMXQWMYFH4Y77EGU26E/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:7GRMG5VCMXQWMYFH4Y77EGU26E","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":"ab602056f45036f4ba6c86f55660a3dcab199f37a61cd65f1d87acc928023ca8","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-04-24T05:20:55Z","title_canon_sha256":"349271dacd5592f9ce2962c188b7f291ce8867e2bea2d0e6f371552d635c0d98"},"schema_version":"1.0","source":{"id":"1804.08843","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1804.08843","created_at":"2026-05-18T00:12:08Z"},{"alias_kind":"arxiv_version","alias_value":"1804.08843v2","created_at":"2026-05-18T00:12:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.08843","created_at":"2026-05-18T00:12:08Z"},{"alias_kind":"pith_short_12","alias_value":"7GRMG5VCMXQW","created_at":"2026-05-18T12:32:11Z"},{"alias_kind":"pith_short_16","alias_value":"7GRMG5VCMXQWMYFH","created_at":"2026-05-18T12:32:11Z"},{"alias_kind":"pith_short_8","alias_value":"7GRMG5VC","created_at":"2026-05-18T12:32:11Z"}],"graph_snapshots":[{"event_id":"sha256:d66c99f2dd0e663723c25dd0d9404bb12472e9017b8c4e95f7de5fd1ae2aa8ce","target":"graph","created_at":"2026-05-18T00:12:08Z","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":"While various observations measured ellipticities of galaxy clusters and alignments between orientations of the brightest cluster galaxies and their host clusters, there are only a handful of numerical simulations that implement realistic baryon physics to allow direct comparisons with those observations. Here we investigate ellipticities of galaxy clusters and alignments between various components of them and the central galaxies in the state-of-the-art cosmological hydrodynamical simulation Horizon-AGN, which contains dark matter, stellar, and gas components in a large simulation box of $(10","authors_text":"Masamune Oguri, S\\'ebastien Peirani, Shin Sasaki, Taizo Okabe, Takahiro Nishimichi, Tetsu Kitayama, Yasushi Suto","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-04-24T05:20:55Z","title":"Projected alignment of non-sphericities of stellar, gas, and dark matter distributions in galaxy clusters: analysis of the Horizon-AGN simulation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.08843","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:dc11b402f3727a8ab006ec59896c588adf7b134d57aaf7c295b94fd08737cc01","target":"record","created_at":"2026-05-18T00:12:08Z","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":"ab602056f45036f4ba6c86f55660a3dcab199f37a61cd65f1d87acc928023ca8","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-04-24T05:20:55Z","title_canon_sha256":"349271dacd5592f9ce2962c188b7f291ce8867e2bea2d0e6f371552d635c0d98"},"schema_version":"1.0","source":{"id":"1804.08843","kind":"arxiv","version":2}},"canonical_sha256":"f9a2c376a265e16660a7e63ff21a9af13718ca471cc82d6d3bfd07d4d5708fcb","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f9a2c376a265e16660a7e63ff21a9af13718ca471cc82d6d3bfd07d4d5708fcb","first_computed_at":"2026-05-18T00:12:08.704777Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:12:08.704777Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"SAvL9koamxCaKLRB/CUfY33x5JDyrNjDuGwZpGwqIncyx31AaKXZMxfUKir828Lkzy+AwbZUqGg92EuelD9uBw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:12:08.705257Z","signed_message":"canonical_sha256_bytes"},"source_id":"1804.08843","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:dc11b402f3727a8ab006ec59896c588adf7b134d57aaf7c295b94fd08737cc01","sha256:d66c99f2dd0e663723c25dd0d9404bb12472e9017b8c4e95f7de5fd1ae2aa8ce"],"state_sha256":"7a88ab5b2dfaad5b5eb21a203824f747f149b78e02e0e1d411e1eedda6d3b4d4"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MpxubGSa8cMCq72DQSnbnPfBQ3GdtJgUZ26OkTjNQRYDWQ0v+rXMJP2SnqXMRxCujkgSAl4o/ryqlI1AW9XPAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T05:03:34.796919Z","bundle_sha256":"1a93fb8b3a362161a275835a0532c4d26aa1fd44be75af39304d315c14da12a9"}}