{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:76SMCWXVPXX4LWPZFGOJHBZATX","short_pith_number":"pith:76SMCWXV","canonical_record":{"source":{"id":"1409.2640","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2014-09-09T08:49:04Z","cross_cats_sorted":[],"title_canon_sha256":"0077e05accedfafd502ee5a4dda504269e05ac2a7fe7476a7dfc88fe09903be2","abstract_canon_sha256":"b488e4d07ca5eaadb1454074a212c4b5277943818ed5b4743fc3ff6f003103c5"},"schema_version":"1.0"},"canonical_sha256":"ffa4c15af57defc5d9f9299c9387209dcc1d11b2bef251a766e80dda67747348","source":{"kind":"arxiv","id":"1409.2640","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1409.2640","created_at":"2026-05-18T01:42:06Z"},{"alias_kind":"arxiv_version","alias_value":"1409.2640v2","created_at":"2026-05-18T01:42:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1409.2640","created_at":"2026-05-18T01:42:06Z"},{"alias_kind":"pith_short_12","alias_value":"76SMCWXVPXX4","created_at":"2026-05-18T12:28:16Z"},{"alias_kind":"pith_short_16","alias_value":"76SMCWXVPXX4LWPZ","created_at":"2026-05-18T12:28:16Z"},{"alias_kind":"pith_short_8","alias_value":"76SMCWXV","created_at":"2026-05-18T12:28:16Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:76SMCWXVPXX4LWPZFGOJHBZATX","target":"record","payload":{"canonical_record":{"source":{"id":"1409.2640","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2014-09-09T08:49:04Z","cross_cats_sorted":[],"title_canon_sha256":"0077e05accedfafd502ee5a4dda504269e05ac2a7fe7476a7dfc88fe09903be2","abstract_canon_sha256":"b488e4d07ca5eaadb1454074a212c4b5277943818ed5b4743fc3ff6f003103c5"},"schema_version":"1.0"},"canonical_sha256":"ffa4c15af57defc5d9f9299c9387209dcc1d11b2bef251a766e80dda67747348","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:42:06.185895Z","signature_b64":"4+7g6/3KvrZnwkSWzvfCAsvYo6hfB36UIjj/8Us9B8e05mRtZhKvWWPUP2bGcwK9xoe63DuNJ1YSog+6GGZ5Bg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ffa4c15af57defc5d9f9299c9387209dcc1d11b2bef251a766e80dda67747348","last_reissued_at":"2026-05-18T01:42:06.185268Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:42:06.185268Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1409.2640","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":"2026-05-18T01:42:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sf/gF/wk8hAIbargFzEwNVRGF3bvlCXQQ/Yg6R0RFL3uQnUtbS/xcdhHjrC/K9Xw1AWbqcylEH+m/StvSTxXBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T23:40:53.353637Z"},"content_sha256":"4a85b5bb5f6824cb525f768a798e9efb2a52fe2d0bded4c224827084b506ad85","schema_version":"1.0","event_id":"sha256:4a85b5bb5f6824cb525f768a798e9efb2a52fe2d0bded4c224827084b506ad85"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:76SMCWXVPXX4LWPZFGOJHBZATX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"On the amplification of magnetic fields in cosmic filaments and galaxy clusters","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"C. Gheller, F. Vazza, M. Br\\\"uggen, P. Wang","submitted_at":"2014-09-09T08:49:04Z","abstract_excerpt":"The amplification of primordial magnetic fields via a small-scale turbulent dynamo during structure formation might be able to explain the observed magnetic fields in galaxy clusters. The magnetisation of more tenuous large-scale structures such as cosmic filaments is more uncertain, as it is challenging for numerical simulations to achieve the required dynamical range. In this work, we present magneto-hydrodynamical cosmological simulations on large uniform grids to study the amplification of primordial seed fields in the intracluster medium (ICM) and in the warm-hot-intergalactic medium (WHI"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1409.2640","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":"2026-05-18T01:42:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KrB466GtX97vUn/NNaP5c+1hxt7YU1RXm/R1I2XrTNKDlKGZsff9acCQ03rEZ3KOczAtv36w9cYC8YWJvkN3Bw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T23:40:53.354244Z"},"content_sha256":"1ccc06636c2219aa11a595702e5a1e56114fcfaebe828ef83215df789b61f375","schema_version":"1.0","event_id":"sha256:1ccc06636c2219aa11a595702e5a1e56114fcfaebe828ef83215df789b61f375"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/76SMCWXVPXX4LWPZFGOJHBZATX/bundle.json","state_url":"https://pith.science/pith/76SMCWXVPXX4LWPZFGOJHBZATX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/76SMCWXVPXX4LWPZFGOJHBZATX/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":"2026-05-28T23:40:53Z","links":{"resolver":"https://pith.science/pith/76SMCWXVPXX4LWPZFGOJHBZATX","bundle":"https://pith.science/pith/76SMCWXVPXX4LWPZFGOJHBZATX/bundle.json","state":"https://pith.science/pith/76SMCWXVPXX4LWPZFGOJHBZATX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/76SMCWXVPXX4LWPZFGOJHBZATX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:76SMCWXVPXX4LWPZFGOJHBZATX","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":"b488e4d07ca5eaadb1454074a212c4b5277943818ed5b4743fc3ff6f003103c5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2014-09-09T08:49:04Z","title_canon_sha256":"0077e05accedfafd502ee5a4dda504269e05ac2a7fe7476a7dfc88fe09903be2"},"schema_version":"1.0","source":{"id":"1409.2640","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1409.2640","created_at":"2026-05-18T01:42:06Z"},{"alias_kind":"arxiv_version","alias_value":"1409.2640v2","created_at":"2026-05-18T01:42:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1409.2640","created_at":"2026-05-18T01:42:06Z"},{"alias_kind":"pith_short_12","alias_value":"76SMCWXVPXX4","created_at":"2026-05-18T12:28:16Z"},{"alias_kind":"pith_short_16","alias_value":"76SMCWXVPXX4LWPZ","created_at":"2026-05-18T12:28:16Z"},{"alias_kind":"pith_short_8","alias_value":"76SMCWXV","created_at":"2026-05-18T12:28:16Z"}],"graph_snapshots":[{"event_id":"sha256:1ccc06636c2219aa11a595702e5a1e56114fcfaebe828ef83215df789b61f375","target":"graph","created_at":"2026-05-18T01:42:06Z","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":"The amplification of primordial magnetic fields via a small-scale turbulent dynamo during structure formation might be able to explain the observed magnetic fields in galaxy clusters. The magnetisation of more tenuous large-scale structures such as cosmic filaments is more uncertain, as it is challenging for numerical simulations to achieve the required dynamical range. In this work, we present magneto-hydrodynamical cosmological simulations on large uniform grids to study the amplification of primordial seed fields in the intracluster medium (ICM) and in the warm-hot-intergalactic medium (WHI","authors_text":"C. Gheller, F. Vazza, M. Br\\\"uggen, P. Wang","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2014-09-09T08:49:04Z","title":"On the amplification of magnetic fields in cosmic filaments and galaxy clusters"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1409.2640","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":"sha256:4a85b5bb5f6824cb525f768a798e9efb2a52fe2d0bded4c224827084b506ad85","target":"record","created_at":"2026-05-18T01:42:06Z","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":"b488e4d07ca5eaadb1454074a212c4b5277943818ed5b4743fc3ff6f003103c5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2014-09-09T08:49:04Z","title_canon_sha256":"0077e05accedfafd502ee5a4dda504269e05ac2a7fe7476a7dfc88fe09903be2"},"schema_version":"1.0","source":{"id":"1409.2640","kind":"arxiv","version":2}},"canonical_sha256":"ffa4c15af57defc5d9f9299c9387209dcc1d11b2bef251a766e80dda67747348","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ffa4c15af57defc5d9f9299c9387209dcc1d11b2bef251a766e80dda67747348","first_computed_at":"2026-05-18T01:42:06.185268Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:42:06.185268Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"4+7g6/3KvrZnwkSWzvfCAsvYo6hfB36UIjj/8Us9B8e05mRtZhKvWWPUP2bGcwK9xoe63DuNJ1YSog+6GGZ5Bg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:42:06.185895Z","signed_message":"canonical_sha256_bytes"},"source_id":"1409.2640","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4a85b5bb5f6824cb525f768a798e9efb2a52fe2d0bded4c224827084b506ad85","sha256:1ccc06636c2219aa11a595702e5a1e56114fcfaebe828ef83215df789b61f375"],"state_sha256":"45e48db224425c6b8dc541ac6f4048dba4a4e381ba9d541fcd047d26983c37ff"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xYt1Bi+XeFA3/yZzuheUwOpEPLKfBtsnoM5g/S6lfzMyWP/97Ren4G7+laeEWjjGx2LBJy5C9OoSrOCBujZ/CQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T23:40:53.357581Z","bundle_sha256":"8742691ca22af1b030508aeb4721859284ac8be55ee7c201831c9afb23d8bb8c"}}