{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2008:KRPAIMPFZADI6XFGTBK3ZISIFW","short_pith_number":"pith:KRPAIMPF","canonical_record":{"source":{"id":"0807.3131","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.space-ph","submitted_at":"2008-07-20T02:46:34Z","cross_cats_sorted":["physics.plasm-ph"],"title_canon_sha256":"8ae00b49a40835c388517db272cf95ab41acd1c1de774e7636f098ef8068de6c","abstract_canon_sha256":"5c2c7cf3b207e5a17debf44eb98852a03c84b6ea18ea174a455cd9974876449d"},"schema_version":"1.0"},"canonical_sha256":"545e0431e5c8068f5ca69855bca2482db321676352cbd023681afeba0696a6fb","source":{"kind":"arxiv","id":"0807.3131","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0807.3131","created_at":"2026-05-18T02:15:44Z"},{"alias_kind":"arxiv_version","alias_value":"0807.3131v1","created_at":"2026-05-18T02:15:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0807.3131","created_at":"2026-05-18T02:15:44Z"},{"alias_kind":"pith_short_12","alias_value":"KRPAIMPFZADI","created_at":"2026-05-18T12:25:57Z"},{"alias_kind":"pith_short_16","alias_value":"KRPAIMPFZADI6XFG","created_at":"2026-05-18T12:25:57Z"},{"alias_kind":"pith_short_8","alias_value":"KRPAIMPF","created_at":"2026-05-18T12:25:57Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2008:KRPAIMPFZADI6XFGTBK3ZISIFW","target":"record","payload":{"canonical_record":{"source":{"id":"0807.3131","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.space-ph","submitted_at":"2008-07-20T02:46:34Z","cross_cats_sorted":["physics.plasm-ph"],"title_canon_sha256":"8ae00b49a40835c388517db272cf95ab41acd1c1de774e7636f098ef8068de6c","abstract_canon_sha256":"5c2c7cf3b207e5a17debf44eb98852a03c84b6ea18ea174a455cd9974876449d"},"schema_version":"1.0"},"canonical_sha256":"545e0431e5c8068f5ca69855bca2482db321676352cbd023681afeba0696a6fb","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:15:44.828912Z","signature_b64":"W4JVb8t0zEv4us7EDCmnN93wsjKAYyfWc6TEbWMjrFCz25zimrMK8kRSs43hUVpuxp1qHnVN7V6DLhxDUY3hCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"545e0431e5c8068f5ca69855bca2482db321676352cbd023681afeba0696a6fb","last_reissued_at":"2026-05-18T02:15:44.828226Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:15:44.828226Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0807.3131","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":"2026-05-18T02:15:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3ivaUfEDDNtGCjFZtAy55KgXOEQ2ESyFHAitrAP5G2l3yAsKnIlO0rFQnDeg5X00tM+bU+AWka0N3qZAkmRGAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-21T12:34:31.938461Z"},"content_sha256":"647d08e067763ea659f293807e83362b511d508919fd06b5b08b18f1cc275db6","schema_version":"1.0","event_id":"sha256:647d08e067763ea659f293807e83362b511d508919fd06b5b08b18f1cc275db6"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2008:KRPAIMPFZADI6XFGTBK3ZISIFW","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Energy Cascades in Astrophysical Plasma","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.plasm-ph"],"primary_cat":"physics.space-ph","authors_text":"Dastgeer Shaikh, Gary P. Zank","submitted_at":"2008-07-20T02:46:34Z","abstract_excerpt":"A local turbulence model is developed to study energy cascades in the interstellar medium (ISM) based on self-consistent two-dimensional fluid simulations. The model describes a partially ionized magnetofluid interstellar medium (ISM) that couples a neutral hydrogen fluid with a plasma primarily through charge exchange interactions. Charge exchange interactions are ubiquitous in warm ISM plasma and the strength of the interaction depends largely on the relative speed between the plasma and the neutral fluid. Unlike small length-scale linear collisional dissipation in a single fluid, charge exc"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0807.3131","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":"2026-05-18T02:15:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RPit5vUJP1co5dH64DYT9bw0F+BMTqICCdKNdibXMbm6OSR/tE+0l2wFTKDX8qCWEXysWrNxwMFGrISxmUB9CA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-21T12:34:31.938807Z"},"content_sha256":"7d5c6a0a65d258bd4df73218beaa0bb48cbd52cfc43a082f1ccdc0ea43e75ea7","schema_version":"1.0","event_id":"sha256:7d5c6a0a65d258bd4df73218beaa0bb48cbd52cfc43a082f1ccdc0ea43e75ea7"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KRPAIMPFZADI6XFGTBK3ZISIFW/bundle.json","state_url":"https://pith.science/pith/KRPAIMPFZADI6XFGTBK3ZISIFW/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KRPAIMPFZADI6XFGTBK3ZISIFW/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":"2026-06-21T12:34:31Z","links":{"resolver":"https://pith.science/pith/KRPAIMPFZADI6XFGTBK3ZISIFW","bundle":"https://pith.science/pith/KRPAIMPFZADI6XFGTBK3ZISIFW/bundle.json","state":"https://pith.science/pith/KRPAIMPFZADI6XFGTBK3ZISIFW/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KRPAIMPFZADI6XFGTBK3ZISIFW/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2008:KRPAIMPFZADI6XFGTBK3ZISIFW","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":"5c2c7cf3b207e5a17debf44eb98852a03c84b6ea18ea174a455cd9974876449d","cross_cats_sorted":["physics.plasm-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.space-ph","submitted_at":"2008-07-20T02:46:34Z","title_canon_sha256":"8ae00b49a40835c388517db272cf95ab41acd1c1de774e7636f098ef8068de6c"},"schema_version":"1.0","source":{"id":"0807.3131","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0807.3131","created_at":"2026-05-18T02:15:44Z"},{"alias_kind":"arxiv_version","alias_value":"0807.3131v1","created_at":"2026-05-18T02:15:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0807.3131","created_at":"2026-05-18T02:15:44Z"},{"alias_kind":"pith_short_12","alias_value":"KRPAIMPFZADI","created_at":"2026-05-18T12:25:57Z"},{"alias_kind":"pith_short_16","alias_value":"KRPAIMPFZADI6XFG","created_at":"2026-05-18T12:25:57Z"},{"alias_kind":"pith_short_8","alias_value":"KRPAIMPF","created_at":"2026-05-18T12:25:57Z"}],"graph_snapshots":[{"event_id":"sha256:7d5c6a0a65d258bd4df73218beaa0bb48cbd52cfc43a082f1ccdc0ea43e75ea7","target":"graph","created_at":"2026-05-18T02:15:44Z","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":"A local turbulence model is developed to study energy cascades in the interstellar medium (ISM) based on self-consistent two-dimensional fluid simulations. The model describes a partially ionized magnetofluid interstellar medium (ISM) that couples a neutral hydrogen fluid with a plasma primarily through charge exchange interactions. Charge exchange interactions are ubiquitous in warm ISM plasma and the strength of the interaction depends largely on the relative speed between the plasma and the neutral fluid. Unlike small length-scale linear collisional dissipation in a single fluid, charge exc","authors_text":"Dastgeer Shaikh, Gary P. Zank","cross_cats":["physics.plasm-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.space-ph","submitted_at":"2008-07-20T02:46:34Z","title":"Energy Cascades in Astrophysical Plasma"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0807.3131","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":"sha256:647d08e067763ea659f293807e83362b511d508919fd06b5b08b18f1cc275db6","target":"record","created_at":"2026-05-18T02:15:44Z","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":"5c2c7cf3b207e5a17debf44eb98852a03c84b6ea18ea174a455cd9974876449d","cross_cats_sorted":["physics.plasm-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.space-ph","submitted_at":"2008-07-20T02:46:34Z","title_canon_sha256":"8ae00b49a40835c388517db272cf95ab41acd1c1de774e7636f098ef8068de6c"},"schema_version":"1.0","source":{"id":"0807.3131","kind":"arxiv","version":1}},"canonical_sha256":"545e0431e5c8068f5ca69855bca2482db321676352cbd023681afeba0696a6fb","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"545e0431e5c8068f5ca69855bca2482db321676352cbd023681afeba0696a6fb","first_computed_at":"2026-05-18T02:15:44.828226Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:15:44.828226Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"W4JVb8t0zEv4us7EDCmnN93wsjKAYyfWc6TEbWMjrFCz25zimrMK8kRSs43hUVpuxp1qHnVN7V6DLhxDUY3hCg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:15:44.828912Z","signed_message":"canonical_sha256_bytes"},"source_id":"0807.3131","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:647d08e067763ea659f293807e83362b511d508919fd06b5b08b18f1cc275db6","sha256:7d5c6a0a65d258bd4df73218beaa0bb48cbd52cfc43a082f1ccdc0ea43e75ea7"],"state_sha256":"c537d424a502c4f846fcb81c09c3b290bd2cd73162a13fdbfe7a41114e9b25ef"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IrX9mGItoET2/EI2M12OkZ8uEcsUIvYQcNBKFJxL0kp34iK501ADCCVsPXdUcFJq4VbRVTGpDjieSGqzLuQBBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-21T12:34:31.940724Z","bundle_sha256":"2f353e97141573034ffd39c99eadcceae086dee3593369b368e3947fbbc81daf"}}