{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:YPYICZVJAN6ZXOYBW7B6HUO6H3","short_pith_number":"pith:YPYICZVJ","canonical_record":{"source":{"id":"1708.06148","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2017-08-21T11:02:06Z","cross_cats_sorted":["astro-ph.EP","astro-ph.SR","physics.plasm-ph"],"title_canon_sha256":"bac795d81a23418f1ae9f8c1cfe4aa3ed149e425961933490487f2ab2814a349","abstract_canon_sha256":"421cc9db4261784cde4200608792ace58dc8af0e37cf008deb5c3b3a89da8c20"},"schema_version":"1.0"},"canonical_sha256":"c3f08166a9037d9bbb01b7c3e3d1de3ec8b9d6c7bdb8a35f19307005c040ccba","source":{"kind":"arxiv","id":"1708.06148","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1708.06148","created_at":"2026-05-18T00:29:36Z"},{"alias_kind":"arxiv_version","alias_value":"1708.06148v2","created_at":"2026-05-18T00:29:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1708.06148","created_at":"2026-05-18T00:29:36Z"},{"alias_kind":"pith_short_12","alias_value":"YPYICZVJAN6Z","created_at":"2026-05-18T12:31:56Z"},{"alias_kind":"pith_short_16","alias_value":"YPYICZVJAN6ZXOYB","created_at":"2026-05-18T12:31:56Z"},{"alias_kind":"pith_short_8","alias_value":"YPYICZVJ","created_at":"2026-05-18T12:31:56Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:YPYICZVJAN6ZXOYBW7B6HUO6H3","target":"record","payload":{"canonical_record":{"source":{"id":"1708.06148","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2017-08-21T11:02:06Z","cross_cats_sorted":["astro-ph.EP","astro-ph.SR","physics.plasm-ph"],"title_canon_sha256":"bac795d81a23418f1ae9f8c1cfe4aa3ed149e425961933490487f2ab2814a349","abstract_canon_sha256":"421cc9db4261784cde4200608792ace58dc8af0e37cf008deb5c3b3a89da8c20"},"schema_version":"1.0"},"canonical_sha256":"c3f08166a9037d9bbb01b7c3e3d1de3ec8b9d6c7bdb8a35f19307005c040ccba","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:29:36.873129Z","signature_b64":"FWUGLiIv+ohRCi3GS+RVEyZyDam/sBESG0ldhH+zTDpyHmclApNAqvq3dgWSRmSSOm7h4whZfjYLo25N8wrFCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c3f08166a9037d9bbb01b7c3e3d1de3ec8b9d6c7bdb8a35f19307005c040ccba","last_reissued_at":"2026-05-18T00:29:36.872622Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:29:36.872622Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1708.06148","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":"2026-05-18T00:29:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MNL9xcVup4+3giTOiS4XM07k7lvQUyVu7kUPYFN3nXFxsYVZ4uGyzwAPvk4TSJhj1qGoUt+3OQi643FpdzEpDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T19:10:51.138581Z"},"content_sha256":"b83ac892d857460986c8d1c4f582d2e9c938a939c3abbfdec1ad4e2a2fe6b2c1","schema_version":"1.0","event_id":"sha256:b83ac892d857460986c8d1c4f582d2e9c938a939c3abbfdec1ad4e2a2fe6b2c1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:YPYICZVJAN6ZXOYBW7B6HUO6H3","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Quasi-two-dimensional nonlinear evolution of helical magnetorotational instability in a magnetized Taylor-Couette flow","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.EP","astro-ph.SR","physics.plasm-ph"],"primary_cat":"physics.flu-dyn","authors_text":"A. Guseva, F. Stefani, G. Mamatsashvili, M. Avila","submitted_at":"2017-08-21T11:02:06Z","abstract_excerpt":"Magnetorotational instability (MRI) is one of the fundamental processes in astrophysics, driving angular momentum transport and mass accretion in a wide variety of cosmic objects. Despite much theoretical/numerical and experimental efforts over the last decades, its saturation mechanism and amplitude, which sets the angular momentum transport rate, remains not well understood, especially in the limit of high resistivity, or small magnetic Prandtl numbers typical to interiors (dead zones) of protoplanetary disks, liquid cores of planets and liquid metals in laboratory. Using direct numerical si"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1708.06148","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":"2026-05-18T00:29:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"c48ZaV+SjAvseYQS36jXQbL5J0psGPvA0bPOeTZo7+OGfzeBjATOcHGTy9XvXk/T1htHdqyo9LqTuZb8gSImAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T19:10:51.139236Z"},"content_sha256":"f5366d01ce4c2797e334e8eac986eadb28cece117c08f11e3f1296d688b0a65d","schema_version":"1.0","event_id":"sha256:f5366d01ce4c2797e334e8eac986eadb28cece117c08f11e3f1296d688b0a65d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YPYICZVJAN6ZXOYBW7B6HUO6H3/bundle.json","state_url":"https://pith.science/pith/YPYICZVJAN6ZXOYBW7B6HUO6H3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YPYICZVJAN6ZXOYBW7B6HUO6H3/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":"2026-06-05T19:10:51Z","links":{"resolver":"https://pith.science/pith/YPYICZVJAN6ZXOYBW7B6HUO6H3","bundle":"https://pith.science/pith/YPYICZVJAN6ZXOYBW7B6HUO6H3/bundle.json","state":"https://pith.science/pith/YPYICZVJAN6ZXOYBW7B6HUO6H3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YPYICZVJAN6ZXOYBW7B6HUO6H3/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:YPYICZVJAN6ZXOYBW7B6HUO6H3","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":"421cc9db4261784cde4200608792ace58dc8af0e37cf008deb5c3b3a89da8c20","cross_cats_sorted":["astro-ph.EP","astro-ph.SR","physics.plasm-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2017-08-21T11:02:06Z","title_canon_sha256":"bac795d81a23418f1ae9f8c1cfe4aa3ed149e425961933490487f2ab2814a349"},"schema_version":"1.0","source":{"id":"1708.06148","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1708.06148","created_at":"2026-05-18T00:29:36Z"},{"alias_kind":"arxiv_version","alias_value":"1708.06148v2","created_at":"2026-05-18T00:29:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1708.06148","created_at":"2026-05-18T00:29:36Z"},{"alias_kind":"pith_short_12","alias_value":"YPYICZVJAN6Z","created_at":"2026-05-18T12:31:56Z"},{"alias_kind":"pith_short_16","alias_value":"YPYICZVJAN6ZXOYB","created_at":"2026-05-18T12:31:56Z"},{"alias_kind":"pith_short_8","alias_value":"YPYICZVJ","created_at":"2026-05-18T12:31:56Z"}],"graph_snapshots":[{"event_id":"sha256:f5366d01ce4c2797e334e8eac986eadb28cece117c08f11e3f1296d688b0a65d","target":"graph","created_at":"2026-05-18T00:29:36Z","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":"Magnetorotational instability (MRI) is one of the fundamental processes in astrophysics, driving angular momentum transport and mass accretion in a wide variety of cosmic objects. Despite much theoretical/numerical and experimental efforts over the last decades, its saturation mechanism and amplitude, which sets the angular momentum transport rate, remains not well understood, especially in the limit of high resistivity, or small magnetic Prandtl numbers typical to interiors (dead zones) of protoplanetary disks, liquid cores of planets and liquid metals in laboratory. Using direct numerical si","authors_text":"A. Guseva, F. Stefani, G. Mamatsashvili, M. Avila","cross_cats":["astro-ph.EP","astro-ph.SR","physics.plasm-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2017-08-21T11:02:06Z","title":"Quasi-two-dimensional nonlinear evolution of helical magnetorotational instability in a magnetized Taylor-Couette flow"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1708.06148","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:b83ac892d857460986c8d1c4f582d2e9c938a939c3abbfdec1ad4e2a2fe6b2c1","target":"record","created_at":"2026-05-18T00:29:36Z","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":"421cc9db4261784cde4200608792ace58dc8af0e37cf008deb5c3b3a89da8c20","cross_cats_sorted":["astro-ph.EP","astro-ph.SR","physics.plasm-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2017-08-21T11:02:06Z","title_canon_sha256":"bac795d81a23418f1ae9f8c1cfe4aa3ed149e425961933490487f2ab2814a349"},"schema_version":"1.0","source":{"id":"1708.06148","kind":"arxiv","version":2}},"canonical_sha256":"c3f08166a9037d9bbb01b7c3e3d1de3ec8b9d6c7bdb8a35f19307005c040ccba","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c3f08166a9037d9bbb01b7c3e3d1de3ec8b9d6c7bdb8a35f19307005c040ccba","first_computed_at":"2026-05-18T00:29:36.872622Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:29:36.872622Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"FWUGLiIv+ohRCi3GS+RVEyZyDam/sBESG0ldhH+zTDpyHmclApNAqvq3dgWSRmSSOm7h4whZfjYLo25N8wrFCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:29:36.873129Z","signed_message":"canonical_sha256_bytes"},"source_id":"1708.06148","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b83ac892d857460986c8d1c4f582d2e9c938a939c3abbfdec1ad4e2a2fe6b2c1","sha256:f5366d01ce4c2797e334e8eac986eadb28cece117c08f11e3f1296d688b0a65d"],"state_sha256":"3062d22ebb93c5644920346dbd322ac2fc5a2c798de72b11a664b3abe8a824ca"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CMoWQCeUW3U0Q1WUfTjXU5L+YKXkzi3NawZXdKyENCMBndtlun91Y0khcDOobFhXwhTxV06aeE+0iToFDL89Cg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-05T19:10:51.142802Z","bundle_sha256":"d3007cfc718caa4bc9303d9fa0b6615033720ba9b437f99159494f9c1f32af53"}}