{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:B4H564O3YDI564OCQKY2SYYD5Y","short_pith_number":"pith:B4H564O3","canonical_record":{"source":{"id":"1503.07887","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2015-03-26T20:33:06Z","cross_cats_sorted":["astro-ph.SR","physics.plasm-ph"],"title_canon_sha256":"f2768238e17265ee761f63e4a50c10729b54c42d9a69a5914bea9c3f607060cf","abstract_canon_sha256":"bd674bbc3b84f779a761e82e8e0ec8d4259fd1c04d5c202d3859adb83aced26b"},"schema_version":"1.0"},"canonical_sha256":"0f0fdf71dbc0d1df71c282b1a96303ee0464c918d944f475b693a78c94a92266","source":{"kind":"arxiv","id":"1503.07887","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1503.07887","created_at":"2026-05-18T00:48:55Z"},{"alias_kind":"arxiv_version","alias_value":"1503.07887v2","created_at":"2026-05-18T00:48:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1503.07887","created_at":"2026-05-18T00:48:55Z"},{"alias_kind":"pith_short_12","alias_value":"B4H564O3YDI5","created_at":"2026-05-18T12:29:14Z"},{"alias_kind":"pith_short_16","alias_value":"B4H564O3YDI564OC","created_at":"2026-05-18T12:29:14Z"},{"alias_kind":"pith_short_8","alias_value":"B4H564O3","created_at":"2026-05-18T12:29:14Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:B4H564O3YDI564OCQKY2SYYD5Y","target":"record","payload":{"canonical_record":{"source":{"id":"1503.07887","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2015-03-26T20:33:06Z","cross_cats_sorted":["astro-ph.SR","physics.plasm-ph"],"title_canon_sha256":"f2768238e17265ee761f63e4a50c10729b54c42d9a69a5914bea9c3f607060cf","abstract_canon_sha256":"bd674bbc3b84f779a761e82e8e0ec8d4259fd1c04d5c202d3859adb83aced26b"},"schema_version":"1.0"},"canonical_sha256":"0f0fdf71dbc0d1df71c282b1a96303ee0464c918d944f475b693a78c94a92266","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:48:55.087855Z","signature_b64":"dqbebJ/ajU0yBQpzXHPF5fwM/wLMpMtlPbq0pjexRr5lHQDB1tWSxtRCgIDHGLEfsvYcdbzuq088zXchWP5QAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0f0fdf71dbc0d1df71c282b1a96303ee0464c918d944f475b693a78c94a92266","last_reissued_at":"2026-05-18T00:48:55.087180Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:48:55.087180Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1503.07887","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":"2026-05-18T00:48:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EyVM+m5+OjwNhk/MCNldtSttLDPtTdht+pE3fn9l9ZcQsN32xVWYTnDP5W2CyopQdnIH1Cn7BOITLgLHyHENAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T09:24:38.970844Z"},"content_sha256":"c76d9e689e7f1da1abfb54324e00d1c38a76fb2c0514cb0408bed13247f722a1","schema_version":"1.0","event_id":"sha256:c76d9e689e7f1da1abfb54324e00d1c38a76fb2c0514cb0408bed13247f722a1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:B4H564O3YDI564OCQKY2SYYD5Y","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Elementary model of internal electromagnetic pinch-type instability","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR","physics.plasm-ph"],"primary_cat":"physics.flu-dyn","authors_text":"J\\=anis Priede","submitted_at":"2015-03-26T20:33:06Z","abstract_excerpt":"We analyse numerically a pinch-type instability in a semi-infinite planar layer of inviscid conducting liquid bounded by solid walls and carrying a uniform electric current. Our model is as simple as possible but still captures the salient features of the instability which otherwise may be obscured by the technical details of more comprehensive numerical models and laboratory experiments. Firstly, we show the instability in liquid metals, which are relatively poor conductors, differs significantly from the astrophysically-relevant Tayler instability. In liquid metals, the instability develops "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1503.07887","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":"2026-05-18T00:48:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lJXFe2GVin6GaPMxemho5JTUKk35hXI3ad5y22LwY+HaNOIcoGzXKY+HYq2uJ9I4MUxJyB/unb6j8eHe56VDDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T09:24:38.971456Z"},"content_sha256":"cf9f949509786d25aa35d32b1b8a5adbea6cbec2d6770ab5ae3f2bb20c63f7bb","schema_version":"1.0","event_id":"sha256:cf9f949509786d25aa35d32b1b8a5adbea6cbec2d6770ab5ae3f2bb20c63f7bb"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/B4H564O3YDI564OCQKY2SYYD5Y/bundle.json","state_url":"https://pith.science/pith/B4H564O3YDI564OCQKY2SYYD5Y/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/B4H564O3YDI564OCQKY2SYYD5Y/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":"2026-05-28T09:24:38Z","links":{"resolver":"https://pith.science/pith/B4H564O3YDI564OCQKY2SYYD5Y","bundle":"https://pith.science/pith/B4H564O3YDI564OCQKY2SYYD5Y/bundle.json","state":"https://pith.science/pith/B4H564O3YDI564OCQKY2SYYD5Y/state.json","well_known_bundle":"https://pith.science/.well-known/pith/B4H564O3YDI564OCQKY2SYYD5Y/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:B4H564O3YDI564OCQKY2SYYD5Y","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":"bd674bbc3b84f779a761e82e8e0ec8d4259fd1c04d5c202d3859adb83aced26b","cross_cats_sorted":["astro-ph.SR","physics.plasm-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2015-03-26T20:33:06Z","title_canon_sha256":"f2768238e17265ee761f63e4a50c10729b54c42d9a69a5914bea9c3f607060cf"},"schema_version":"1.0","source":{"id":"1503.07887","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1503.07887","created_at":"2026-05-18T00:48:55Z"},{"alias_kind":"arxiv_version","alias_value":"1503.07887v2","created_at":"2026-05-18T00:48:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1503.07887","created_at":"2026-05-18T00:48:55Z"},{"alias_kind":"pith_short_12","alias_value":"B4H564O3YDI5","created_at":"2026-05-18T12:29:14Z"},{"alias_kind":"pith_short_16","alias_value":"B4H564O3YDI564OC","created_at":"2026-05-18T12:29:14Z"},{"alias_kind":"pith_short_8","alias_value":"B4H564O3","created_at":"2026-05-18T12:29:14Z"}],"graph_snapshots":[{"event_id":"sha256:cf9f949509786d25aa35d32b1b8a5adbea6cbec2d6770ab5ae3f2bb20c63f7bb","target":"graph","created_at":"2026-05-18T00:48:55Z","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 analyse numerically a pinch-type instability in a semi-infinite planar layer of inviscid conducting liquid bounded by solid walls and carrying a uniform electric current. Our model is as simple as possible but still captures the salient features of the instability which otherwise may be obscured by the technical details of more comprehensive numerical models and laboratory experiments. Firstly, we show the instability in liquid metals, which are relatively poor conductors, differs significantly from the astrophysically-relevant Tayler instability. In liquid metals, the instability develops ","authors_text":"J\\=anis Priede","cross_cats":["astro-ph.SR","physics.plasm-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2015-03-26T20:33:06Z","title":"Elementary model of internal electromagnetic pinch-type instability"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1503.07887","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:c76d9e689e7f1da1abfb54324e00d1c38a76fb2c0514cb0408bed13247f722a1","target":"record","created_at":"2026-05-18T00:48:55Z","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":"bd674bbc3b84f779a761e82e8e0ec8d4259fd1c04d5c202d3859adb83aced26b","cross_cats_sorted":["astro-ph.SR","physics.plasm-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2015-03-26T20:33:06Z","title_canon_sha256":"f2768238e17265ee761f63e4a50c10729b54c42d9a69a5914bea9c3f607060cf"},"schema_version":"1.0","source":{"id":"1503.07887","kind":"arxiv","version":2}},"canonical_sha256":"0f0fdf71dbc0d1df71c282b1a96303ee0464c918d944f475b693a78c94a92266","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0f0fdf71dbc0d1df71c282b1a96303ee0464c918d944f475b693a78c94a92266","first_computed_at":"2026-05-18T00:48:55.087180Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:48:55.087180Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"dqbebJ/ajU0yBQpzXHPF5fwM/wLMpMtlPbq0pjexRr5lHQDB1tWSxtRCgIDHGLEfsvYcdbzuq088zXchWP5QAg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:48:55.087855Z","signed_message":"canonical_sha256_bytes"},"source_id":"1503.07887","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c76d9e689e7f1da1abfb54324e00d1c38a76fb2c0514cb0408bed13247f722a1","sha256:cf9f949509786d25aa35d32b1b8a5adbea6cbec2d6770ab5ae3f2bb20c63f7bb"],"state_sha256":"6574f2cd8d436dab34d69b095ad009e9749b3ab7201824aa30e25cfaa94dc853"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dpATQUPQiVJ5KEDIX5RGf+GuiF4zPdNujoByViXvRexFiK4qoCVQmbZT+TbQLCWQzSGfV4MySCqPqqyN8aNkAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T09:24:38.974436Z","bundle_sha256":"4ff091995dbb298010fe2aec4ba0ad037c003edb7f95f068f870106a0e25a68f"}}