{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:FZ7BX4DHPKIP6SDXEXMUKCCKBY","short_pith_number":"pith:FZ7BX4DH","canonical_record":{"source":{"id":"2409.18849","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.space-ph","submitted_at":"2024-09-27T15:45:17Z","cross_cats_sorted":[],"title_canon_sha256":"92aa53153c55b7f0bec32465aeb0e9a02d024ecd87fc41a59b50b439033588f4","abstract_canon_sha256":"78904defa7da7ef29b197d6a74f1fec065dce1062f82299894331f9911ce2cb6"},"schema_version":"1.0"},"canonical_sha256":"2e7e1bf0677a90ff487725d945084a0e07bb831879e1862b23a42a5dcb88286d","source":{"kind":"arxiv","id":"2409.18849","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2409.18849","created_at":"2026-07-05T09:37:41Z"},{"alias_kind":"arxiv_version","alias_value":"2409.18849v1","created_at":"2026-07-05T09:37:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2409.18849","created_at":"2026-07-05T09:37:41Z"},{"alias_kind":"pith_short_12","alias_value":"FZ7BX4DHPKIP","created_at":"2026-07-05T09:37:41Z"},{"alias_kind":"pith_short_16","alias_value":"FZ7BX4DHPKIP6SDX","created_at":"2026-07-05T09:37:41Z"},{"alias_kind":"pith_short_8","alias_value":"FZ7BX4DH","created_at":"2026-07-05T09:37:41Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:FZ7BX4DHPKIP6SDXEXMUKCCKBY","target":"record","payload":{"canonical_record":{"source":{"id":"2409.18849","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.space-ph","submitted_at":"2024-09-27T15:45:17Z","cross_cats_sorted":[],"title_canon_sha256":"92aa53153c55b7f0bec32465aeb0e9a02d024ecd87fc41a59b50b439033588f4","abstract_canon_sha256":"78904defa7da7ef29b197d6a74f1fec065dce1062f82299894331f9911ce2cb6"},"schema_version":"1.0"},"canonical_sha256":"2e7e1bf0677a90ff487725d945084a0e07bb831879e1862b23a42a5dcb88286d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T09:37:41.384498Z","signature_b64":"Ri37cw/BN9+37Mmv1xuTiHu+m6tAUfcNCRxD6gofTrT2euqyVDBoN+Ph1tbUANz+4SORs1a2shC9ifambxSgBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2e7e1bf0677a90ff487725d945084a0e07bb831879e1862b23a42a5dcb88286d","last_reissued_at":"2026-07-05T09:37:41.383946Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T09:37:41.383946Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2409.18849","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":"2026-07-05T09:37:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+um2rhpV+BbtF4V4kTlg5NB+sZxJsEPsWo27Iu3sr/kWhm9nQm6CPvh86JoLpJOgX5VvLdZvmzqeyyqhj7tVBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T13:52:26.874134Z"},"content_sha256":"b9477bebcf9cb5840e0fba36a88c4bc3b66ea21d1adf5c2b3bb66de028eb3921","schema_version":"1.0","event_id":"sha256:b9477bebcf9cb5840e0fba36a88c4bc3b66ea21d1adf5c2b3bb66de028eb3921"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:FZ7BX4DHPKIP6SDXEXMUKCCKBY","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Temperature anisotropy instabilities driven by intermittent velocity shears in the solar wind","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"physics.space-ph","authors_text":"Christopher H. K. Chen, Christopher J. Owen, Daniel Verscharen, Lorenzo Matteini, Luca Franci, Luca Sorriso-Valvo, Philip A. Isenberg, Simon Opie","submitted_at":"2024-09-27T15:45:17Z","abstract_excerpt":"Where and under what conditions the transfer of energy between electromagnetic fields and particles takes place in the solar wind remains an open question. We investigate the conditions that promote the growth of kinetic instabilities predicted by linear theory, to infer how turbulence and temperature-anisotropy-driven instabilities are interrelated. Using a large dataset from Solar Orbiter, we introduce the radial rate of strain, a novel measure computed from single-spacecraft data, that we interpret as a proxy for the double-adiabatic strain rate. The solar wind exhibits high absolute values"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2409.18849","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2409.18849/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T09:37:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0NFVBHiwmrmlRDk85PiAnXMZZ6w5LWUh1oBMV3jEaLPvCmxbedq2JzRBI3FKjfzQw7+3b7YR6RDebh8uh0auCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T13:52:26.874543Z"},"content_sha256":"62de55afb8259323321489cfe2be6a42ef8f65f61754a5fa6990bcbbe408a987","schema_version":"1.0","event_id":"sha256:62de55afb8259323321489cfe2be6a42ef8f65f61754a5fa6990bcbbe408a987"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/FZ7BX4DHPKIP6SDXEXMUKCCKBY/bundle.json","state_url":"https://pith.science/pith/FZ7BX4DHPKIP6SDXEXMUKCCKBY/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/FZ7BX4DHPKIP6SDXEXMUKCCKBY/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":"2026-07-07T13:52:26Z","links":{"resolver":"https://pith.science/pith/FZ7BX4DHPKIP6SDXEXMUKCCKBY","bundle":"https://pith.science/pith/FZ7BX4DHPKIP6SDXEXMUKCCKBY/bundle.json","state":"https://pith.science/pith/FZ7BX4DHPKIP6SDXEXMUKCCKBY/state.json","well_known_bundle":"https://pith.science/.well-known/pith/FZ7BX4DHPKIP6SDXEXMUKCCKBY/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:FZ7BX4DHPKIP6SDXEXMUKCCKBY","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":"78904defa7da7ef29b197d6a74f1fec065dce1062f82299894331f9911ce2cb6","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.space-ph","submitted_at":"2024-09-27T15:45:17Z","title_canon_sha256":"92aa53153c55b7f0bec32465aeb0e9a02d024ecd87fc41a59b50b439033588f4"},"schema_version":"1.0","source":{"id":"2409.18849","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2409.18849","created_at":"2026-07-05T09:37:41Z"},{"alias_kind":"arxiv_version","alias_value":"2409.18849v1","created_at":"2026-07-05T09:37:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2409.18849","created_at":"2026-07-05T09:37:41Z"},{"alias_kind":"pith_short_12","alias_value":"FZ7BX4DHPKIP","created_at":"2026-07-05T09:37:41Z"},{"alias_kind":"pith_short_16","alias_value":"FZ7BX4DHPKIP6SDX","created_at":"2026-07-05T09:37:41Z"},{"alias_kind":"pith_short_8","alias_value":"FZ7BX4DH","created_at":"2026-07-05T09:37:41Z"}],"graph_snapshots":[{"event_id":"sha256:62de55afb8259323321489cfe2be6a42ef8f65f61754a5fa6990bcbbe408a987","target":"graph","created_at":"2026-07-05T09:37:41Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2409.18849/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Where and under what conditions the transfer of energy between electromagnetic fields and particles takes place in the solar wind remains an open question. We investigate the conditions that promote the growth of kinetic instabilities predicted by linear theory, to infer how turbulence and temperature-anisotropy-driven instabilities are interrelated. Using a large dataset from Solar Orbiter, we introduce the radial rate of strain, a novel measure computed from single-spacecraft data, that we interpret as a proxy for the double-adiabatic strain rate. The solar wind exhibits high absolute values","authors_text":"Christopher H. K. Chen, Christopher J. Owen, Daniel Verscharen, Lorenzo Matteini, Luca Franci, Luca Sorriso-Valvo, Philip A. Isenberg, Simon Opie","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.space-ph","submitted_at":"2024-09-27T15:45:17Z","title":"Temperature anisotropy instabilities driven by intermittent velocity shears in the solar wind"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2409.18849","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:b9477bebcf9cb5840e0fba36a88c4bc3b66ea21d1adf5c2b3bb66de028eb3921","target":"record","created_at":"2026-07-05T09:37:41Z","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":"78904defa7da7ef29b197d6a74f1fec065dce1062f82299894331f9911ce2cb6","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.space-ph","submitted_at":"2024-09-27T15:45:17Z","title_canon_sha256":"92aa53153c55b7f0bec32465aeb0e9a02d024ecd87fc41a59b50b439033588f4"},"schema_version":"1.0","source":{"id":"2409.18849","kind":"arxiv","version":1}},"canonical_sha256":"2e7e1bf0677a90ff487725d945084a0e07bb831879e1862b23a42a5dcb88286d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2e7e1bf0677a90ff487725d945084a0e07bb831879e1862b23a42a5dcb88286d","first_computed_at":"2026-07-05T09:37:41.383946Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T09:37:41.383946Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Ri37cw/BN9+37Mmv1xuTiHu+m6tAUfcNCRxD6gofTrT2euqyVDBoN+Ph1tbUANz+4SORs1a2shC9ifambxSgBQ==","signature_status":"signed_v1","signed_at":"2026-07-05T09:37:41.384498Z","signed_message":"canonical_sha256_bytes"},"source_id":"2409.18849","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b9477bebcf9cb5840e0fba36a88c4bc3b66ea21d1adf5c2b3bb66de028eb3921","sha256:62de55afb8259323321489cfe2be6a42ef8f65f61754a5fa6990bcbbe408a987"],"state_sha256":"824005be74f0948e90a63e71baef22066987ab77f3874afb3f70328ba5342984"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"U9i6MqBUzEbFSdCCybOTJBbT0kl8zPsXUb65xzBlTSpByNiaLfuZ3Fq55ZveqMrZr63QEUh0iLBFvGDUAyAzDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T13:52:26.876469Z","bundle_sha256":"e0bd49d704c3c03d5697e52372a508fa23eeb87077c7776b6ad9b2069272ed3e"}}