{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:LH2CK7LA54Y3XGB4OZXCXCOJTC","short_pith_number":"pith:LH2CK7LA","canonical_record":{"source":{"id":"1810.09783","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2018-10-23T11:26:22Z","cross_cats_sorted":[],"title_canon_sha256":"fc56db4aec4a4c740245cb340d3d4a94ed130669d0ee1157e60c636a2ac79f58","abstract_canon_sha256":"4f51b9440e1106f9db08568bc0573b125dfff5512524a654fd7f29fa404c3f58"},"schema_version":"1.0"},"canonical_sha256":"59f4257d60ef31bb983c766e2b89c9989a2ae953aa05983db2001dc114067a44","source":{"kind":"arxiv","id":"1810.09783","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1810.09783","created_at":"2026-05-17T23:59:48Z"},{"alias_kind":"arxiv_version","alias_value":"1810.09783v1","created_at":"2026-05-17T23:59:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.09783","created_at":"2026-05-17T23:59:48Z"},{"alias_kind":"pith_short_12","alias_value":"LH2CK7LA54Y3","created_at":"2026-05-18T12:32:37Z"},{"alias_kind":"pith_short_16","alias_value":"LH2CK7LA54Y3XGB4","created_at":"2026-05-18T12:32:37Z"},{"alias_kind":"pith_short_8","alias_value":"LH2CK7LA","created_at":"2026-05-18T12:32:37Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:LH2CK7LA54Y3XGB4OZXCXCOJTC","target":"record","payload":{"canonical_record":{"source":{"id":"1810.09783","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2018-10-23T11:26:22Z","cross_cats_sorted":[],"title_canon_sha256":"fc56db4aec4a4c740245cb340d3d4a94ed130669d0ee1157e60c636a2ac79f58","abstract_canon_sha256":"4f51b9440e1106f9db08568bc0573b125dfff5512524a654fd7f29fa404c3f58"},"schema_version":"1.0"},"canonical_sha256":"59f4257d60ef31bb983c766e2b89c9989a2ae953aa05983db2001dc114067a44","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:59:48.922626Z","signature_b64":"B/CYNrz0TJNDBtXi6Y63tLzISjLzJB8WQHHF8iU/c49NgXzDB3+Gp+dlOg7jPaccju9S0tVE69sTtRQzJchPDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"59f4257d60ef31bb983c766e2b89c9989a2ae953aa05983db2001dc114067a44","last_reissued_at":"2026-05-17T23:59:48.922216Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:59:48.922216Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1810.09783","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":"2026-05-17T23:59:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qGN4tPxXvvfiNQwGSqVOR70quAR0jMVprkhwkmgmAtm1DX3uV0reJHeVstLxEDn05kNrRTCtltZ/4bPjQlKGDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T06:38:03.733578Z"},"content_sha256":"bd035494ade2e6a83fa79509d393b2388ebc6479fe4f1a12f063ea4dc7ac111e","schema_version":"1.0","event_id":"sha256:bd035494ade2e6a83fa79509d393b2388ebc6479fe4f1a12f063ea4dc7ac111e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:LH2CK7LA54Y3XGB4OZXCXCOJTC","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Magnetic Field Amplification in Galaxy Clusters and its Simulation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"(2) Universita di Bologna, (3) Hamburg Observatory, (4) Smithsonian Astrophysical Observatory), F. Vazza (2), J. Donnert (1), J. ZuHone (4) ((1) INAF-IRA, M. Br\\\"uggen (3)","submitted_at":"2018-10-23T11:26:22Z","abstract_excerpt":"We review the present theoretical and numerical understanding of magnetic field amplification in cosmic large-scale structure, on length scales of galaxy clusters and beyond. Structure formation drives compression and turbulence, which amplify tiny magnetic seed fields to the microGauss values that are observed in the intracluster medium. This process is intimately connected to the properties of turbulence and the microphysics of the intra-cluster medium. Additional roles are played by merger induced shocks that sweep through the intra-cluster medium and motions induced by sloshing cool cores."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.09783","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":""},"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":"2026-05-17T23:59:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"aLF6X9LJmmKfMsBWfwULrpxNnTtJgx+fdPjAx7YjTi9RDX3udv+av7XMNZLAiS7tAfhhF3ACiWXMHcYDJCINDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T06:38:03.733925Z"},"content_sha256":"3081686430b4cb6e8ad374cd8fe1715ac9a31360e7f0eae4fa5bbdfb7077d0e8","schema_version":"1.0","event_id":"sha256:3081686430b4cb6e8ad374cd8fe1715ac9a31360e7f0eae4fa5bbdfb7077d0e8"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LH2CK7LA54Y3XGB4OZXCXCOJTC/bundle.json","state_url":"https://pith.science/pith/LH2CK7LA54Y3XGB4OZXCXCOJTC/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LH2CK7LA54Y3XGB4OZXCXCOJTC/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":"2026-06-01T06:38:03Z","links":{"resolver":"https://pith.science/pith/LH2CK7LA54Y3XGB4OZXCXCOJTC","bundle":"https://pith.science/pith/LH2CK7LA54Y3XGB4OZXCXCOJTC/bundle.json","state":"https://pith.science/pith/LH2CK7LA54Y3XGB4OZXCXCOJTC/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LH2CK7LA54Y3XGB4OZXCXCOJTC/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:LH2CK7LA54Y3XGB4OZXCXCOJTC","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":"4f51b9440e1106f9db08568bc0573b125dfff5512524a654fd7f29fa404c3f58","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2018-10-23T11:26:22Z","title_canon_sha256":"fc56db4aec4a4c740245cb340d3d4a94ed130669d0ee1157e60c636a2ac79f58"},"schema_version":"1.0","source":{"id":"1810.09783","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1810.09783","created_at":"2026-05-17T23:59:48Z"},{"alias_kind":"arxiv_version","alias_value":"1810.09783v1","created_at":"2026-05-17T23:59:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.09783","created_at":"2026-05-17T23:59:48Z"},{"alias_kind":"pith_short_12","alias_value":"LH2CK7LA54Y3","created_at":"2026-05-18T12:32:37Z"},{"alias_kind":"pith_short_16","alias_value":"LH2CK7LA54Y3XGB4","created_at":"2026-05-18T12:32:37Z"},{"alias_kind":"pith_short_8","alias_value":"LH2CK7LA","created_at":"2026-05-18T12:32:37Z"}],"graph_snapshots":[{"event_id":"sha256:3081686430b4cb6e8ad374cd8fe1715ac9a31360e7f0eae4fa5bbdfb7077d0e8","target":"graph","created_at":"2026-05-17T23:59:48Z","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":"We review the present theoretical and numerical understanding of magnetic field amplification in cosmic large-scale structure, on length scales of galaxy clusters and beyond. Structure formation drives compression and turbulence, which amplify tiny magnetic seed fields to the microGauss values that are observed in the intracluster medium. This process is intimately connected to the properties of turbulence and the microphysics of the intra-cluster medium. Additional roles are played by merger induced shocks that sweep through the intra-cluster medium and motions induced by sloshing cool cores.","authors_text":"(2) Universita di Bologna, (3) Hamburg Observatory, (4) Smithsonian Astrophysical Observatory), F. Vazza (2), J. Donnert (1), J. ZuHone (4) ((1) INAF-IRA, M. Br\\\"uggen (3)","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2018-10-23T11:26:22Z","title":"Magnetic Field Amplification in Galaxy Clusters and its Simulation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.09783","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:bd035494ade2e6a83fa79509d393b2388ebc6479fe4f1a12f063ea4dc7ac111e","target":"record","created_at":"2026-05-17T23:59:48Z","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":"4f51b9440e1106f9db08568bc0573b125dfff5512524a654fd7f29fa404c3f58","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2018-10-23T11:26:22Z","title_canon_sha256":"fc56db4aec4a4c740245cb340d3d4a94ed130669d0ee1157e60c636a2ac79f58"},"schema_version":"1.0","source":{"id":"1810.09783","kind":"arxiv","version":1}},"canonical_sha256":"59f4257d60ef31bb983c766e2b89c9989a2ae953aa05983db2001dc114067a44","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"59f4257d60ef31bb983c766e2b89c9989a2ae953aa05983db2001dc114067a44","first_computed_at":"2026-05-17T23:59:48.922216Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:59:48.922216Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"B/CYNrz0TJNDBtXi6Y63tLzISjLzJB8WQHHF8iU/c49NgXzDB3+Gp+dlOg7jPaccju9S0tVE69sTtRQzJchPDg==","signature_status":"signed_v1","signed_at":"2026-05-17T23:59:48.922626Z","signed_message":"canonical_sha256_bytes"},"source_id":"1810.09783","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:bd035494ade2e6a83fa79509d393b2388ebc6479fe4f1a12f063ea4dc7ac111e","sha256:3081686430b4cb6e8ad374cd8fe1715ac9a31360e7f0eae4fa5bbdfb7077d0e8"],"state_sha256":"8104c3694ddaa4aa8a0fd14aa80d130046ad83e1eec4ae8f80b53b5cb79161ad"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sxBhkgDoOD4Ft8TZ5wivnUdXAntZw1YnA9UqnVdjXyFl12uQkzVr9Dy6VUVPAY4uPwek40AfCr5jCcr3iUs/Bg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T06:38:03.736168Z","bundle_sha256":"9b4037ec14e7f2ae9d8ace40922ae88598b9e878e638d8c28c49395f5da4cc6f"}}