{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:XIGY4BZBFTVYLCSJPNYKMWI4FU","short_pith_number":"pith:XIGY4BZB","canonical_record":{"source":{"id":"1509.07961","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2015-09-26T11:20:19Z","cross_cats_sorted":["astro-ph.SR","physics.plasm-ph","physics.space-ph"],"title_canon_sha256":"aed75c32c5b5ca0e1814d79e5eae8ac25376fe6d8643895e46f326248f197556","abstract_canon_sha256":"b2d96cdbfa4d95c341afaefb48d77b20352e2ed41fb317269ee3074df6295d70"},"schema_version":"1.0"},"canonical_sha256":"ba0d8e07212ceb858a497b70a6591c2d151237cad10aba1912197aafc9ccb490","source":{"kind":"arxiv","id":"1509.07961","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1509.07961","created_at":"2026-05-18T01:31:55Z"},{"alias_kind":"arxiv_version","alias_value":"1509.07961v1","created_at":"2026-05-18T01:31:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1509.07961","created_at":"2026-05-18T01:31:55Z"},{"alias_kind":"pith_short_12","alias_value":"XIGY4BZBFTVY","created_at":"2026-05-18T12:29:50Z"},{"alias_kind":"pith_short_16","alias_value":"XIGY4BZBFTVYLCSJ","created_at":"2026-05-18T12:29:50Z"},{"alias_kind":"pith_short_8","alias_value":"XIGY4BZB","created_at":"2026-05-18T12:29:50Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:XIGY4BZBFTVYLCSJPNYKMWI4FU","target":"record","payload":{"canonical_record":{"source":{"id":"1509.07961","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2015-09-26T11:20:19Z","cross_cats_sorted":["astro-ph.SR","physics.plasm-ph","physics.space-ph"],"title_canon_sha256":"aed75c32c5b5ca0e1814d79e5eae8ac25376fe6d8643895e46f326248f197556","abstract_canon_sha256":"b2d96cdbfa4d95c341afaefb48d77b20352e2ed41fb317269ee3074df6295d70"},"schema_version":"1.0"},"canonical_sha256":"ba0d8e07212ceb858a497b70a6591c2d151237cad10aba1912197aafc9ccb490","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:31:55.042103Z","signature_b64":"kvcRdihIyqyq1G6kzuXpkpMhOMB4RbXZUwjL6ayymeF9+VIQvCHtOxoOh0K0CpM8J+GVPrM/AiV98gLcYdV5AA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ba0d8e07212ceb858a497b70a6591c2d151237cad10aba1912197aafc9ccb490","last_reissued_at":"2026-05-18T01:31:55.041730Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:31:55.041730Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1509.07961","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":"2026-05-18T01:31:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mCusK348nmgJDvfq8BYgvU2wH7lBYmmbA1MbJW2D0cH1MjqAWJTOY+rkaPAHRNjJoTkNy1swNl4I/OPeULIQDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T11:15:22.654061Z"},"content_sha256":"11adfb38a006607d1d59b56e0b6ac958da1f1fbc6b0afa6842658e0dd18fdd5b","schema_version":"1.0","event_id":"sha256:11adfb38a006607d1d59b56e0b6ac958da1f1fbc6b0afa6842658e0dd18fdd5b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:XIGY4BZBFTVYLCSJPNYKMWI4FU","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Energy dissipation in magnetic null points at kinetic scales","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR","physics.plasm-ph","physics.space-ph"],"primary_cat":"astro-ph.EP","authors_text":"Andrey Divin, Elin Eriksson, Giovanni Lapenta, Stefano Markidis, Vyacheslav Olshevsky","submitted_at":"2015-09-26T11:20:19Z","abstract_excerpt":"We use kinetic particle-in-cell and magnetohydrodynamic simulations supported by an observational dataset to investigate magnetic reconnection in clusters of null points in space plasma. The magnetic configuration under investigation is driven by fast adiabatic flux rope compression that dissipates almost half of the initial magnetic field energy. In this phase powerful currents are excited producing secondary instabilities, and the system is brought into a state of `intermittent turbulence' within a few ion gyro-periods. Reconnection events are distributed all over the simulation domain and e"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1509.07961","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":"2026-05-18T01:31:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"43uOP40mCzD9CiGjWPGjriQU+ZCFZdaIr/1SG70ja5pXfVSrtEKuU7gumFWVheVWEpHh2DgRaJiQnbCSiGSpDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T11:15:22.654824Z"},"content_sha256":"aaff010735360cf43526bb1c01e0395ecd3b9eaa3d8731695957f8bc0e5b942e","schema_version":"1.0","event_id":"sha256:aaff010735360cf43526bb1c01e0395ecd3b9eaa3d8731695957f8bc0e5b942e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/XIGY4BZBFTVYLCSJPNYKMWI4FU/bundle.json","state_url":"https://pith.science/pith/XIGY4BZBFTVYLCSJPNYKMWI4FU/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/XIGY4BZBFTVYLCSJPNYKMWI4FU/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":"2026-06-06T11:15:22Z","links":{"resolver":"https://pith.science/pith/XIGY4BZBFTVYLCSJPNYKMWI4FU","bundle":"https://pith.science/pith/XIGY4BZBFTVYLCSJPNYKMWI4FU/bundle.json","state":"https://pith.science/pith/XIGY4BZBFTVYLCSJPNYKMWI4FU/state.json","well_known_bundle":"https://pith.science/.well-known/pith/XIGY4BZBFTVYLCSJPNYKMWI4FU/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:XIGY4BZBFTVYLCSJPNYKMWI4FU","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":"b2d96cdbfa4d95c341afaefb48d77b20352e2ed41fb317269ee3074df6295d70","cross_cats_sorted":["astro-ph.SR","physics.plasm-ph","physics.space-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2015-09-26T11:20:19Z","title_canon_sha256":"aed75c32c5b5ca0e1814d79e5eae8ac25376fe6d8643895e46f326248f197556"},"schema_version":"1.0","source":{"id":"1509.07961","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1509.07961","created_at":"2026-05-18T01:31:55Z"},{"alias_kind":"arxiv_version","alias_value":"1509.07961v1","created_at":"2026-05-18T01:31:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1509.07961","created_at":"2026-05-18T01:31:55Z"},{"alias_kind":"pith_short_12","alias_value":"XIGY4BZBFTVY","created_at":"2026-05-18T12:29:50Z"},{"alias_kind":"pith_short_16","alias_value":"XIGY4BZBFTVYLCSJ","created_at":"2026-05-18T12:29:50Z"},{"alias_kind":"pith_short_8","alias_value":"XIGY4BZB","created_at":"2026-05-18T12:29:50Z"}],"graph_snapshots":[{"event_id":"sha256:aaff010735360cf43526bb1c01e0395ecd3b9eaa3d8731695957f8bc0e5b942e","target":"graph","created_at":"2026-05-18T01:31:55Z","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 use kinetic particle-in-cell and magnetohydrodynamic simulations supported by an observational dataset to investigate magnetic reconnection in clusters of null points in space plasma. The magnetic configuration under investigation is driven by fast adiabatic flux rope compression that dissipates almost half of the initial magnetic field energy. In this phase powerful currents are excited producing secondary instabilities, and the system is brought into a state of `intermittent turbulence' within a few ion gyro-periods. Reconnection events are distributed all over the simulation domain and e","authors_text":"Andrey Divin, Elin Eriksson, Giovanni Lapenta, Stefano Markidis, Vyacheslav Olshevsky","cross_cats":["astro-ph.SR","physics.plasm-ph","physics.space-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2015-09-26T11:20:19Z","title":"Energy dissipation in magnetic null points at kinetic scales"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1509.07961","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":"sha256:11adfb38a006607d1d59b56e0b6ac958da1f1fbc6b0afa6842658e0dd18fdd5b","target":"record","created_at":"2026-05-18T01:31:55Z","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":"b2d96cdbfa4d95c341afaefb48d77b20352e2ed41fb317269ee3074df6295d70","cross_cats_sorted":["astro-ph.SR","physics.plasm-ph","physics.space-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2015-09-26T11:20:19Z","title_canon_sha256":"aed75c32c5b5ca0e1814d79e5eae8ac25376fe6d8643895e46f326248f197556"},"schema_version":"1.0","source":{"id":"1509.07961","kind":"arxiv","version":1}},"canonical_sha256":"ba0d8e07212ceb858a497b70a6591c2d151237cad10aba1912197aafc9ccb490","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ba0d8e07212ceb858a497b70a6591c2d151237cad10aba1912197aafc9ccb490","first_computed_at":"2026-05-18T01:31:55.041730Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:31:55.041730Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"kvcRdihIyqyq1G6kzuXpkpMhOMB4RbXZUwjL6ayymeF9+VIQvCHtOxoOh0K0CpM8J+GVPrM/AiV98gLcYdV5AA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:31:55.042103Z","signed_message":"canonical_sha256_bytes"},"source_id":"1509.07961","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:11adfb38a006607d1d59b56e0b6ac958da1f1fbc6b0afa6842658e0dd18fdd5b","sha256:aaff010735360cf43526bb1c01e0395ecd3b9eaa3d8731695957f8bc0e5b942e"],"state_sha256":"cb51d34ed3fe9995174a2b4cbff641dbcb682ed66409f887517998dcd77873b5"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IpgAMsX538Yshpa4k/A9kb1lw7JCEVOVp5Z06Wkwqt0tD+oCErO8X73LSFdFsQCBOgZroX+qx8yl4mgNjLqrDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-06T11:15:22.659407Z","bundle_sha256":"9b57136992a0592f33fee28b84da31448bd3cef2c3f690d61905e9662fda24ff"}}