{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:MIIWGF5MGFSKRE2WACGDHEI4KX","short_pith_number":"pith:MIIWGF5M","canonical_record":{"source":{"id":"2407.18012","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2024-07-25T13:05:55Z","cross_cats_sorted":["gr-qc","physics.flu-dyn","physics.plasm-ph"],"title_canon_sha256":"373cd897aed4f512b75e3e21b39f3a4829b65bf86adc353a0bb188ec1bbc28a2","abstract_canon_sha256":"cc9f700970e7ba402b210c78458be3612d2680f5d5df8ac1c07d0471551118b8"},"schema_version":"1.0"},"canonical_sha256":"62116317ac3164a89356008c33911c55c17d9f89a31b555137459dc443f7a1d9","source":{"kind":"arxiv","id":"2407.18012","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2407.18012","created_at":"2026-07-05T09:57:22Z"},{"alias_kind":"arxiv_version","alias_value":"2407.18012v2","created_at":"2026-07-05T09:57:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2407.18012","created_at":"2026-07-05T09:57:22Z"},{"alias_kind":"pith_short_12","alias_value":"MIIWGF5MGFSK","created_at":"2026-07-05T09:57:22Z"},{"alias_kind":"pith_short_16","alias_value":"MIIWGF5MGFSKRE2W","created_at":"2026-07-05T09:57:22Z"},{"alias_kind":"pith_short_8","alias_value":"MIIWGF5M","created_at":"2026-07-05T09:57:22Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:MIIWGF5MGFSKRE2WACGDHEI4KX","target":"record","payload":{"canonical_record":{"source":{"id":"2407.18012","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2024-07-25T13:05:55Z","cross_cats_sorted":["gr-qc","physics.flu-dyn","physics.plasm-ph"],"title_canon_sha256":"373cd897aed4f512b75e3e21b39f3a4829b65bf86adc353a0bb188ec1bbc28a2","abstract_canon_sha256":"cc9f700970e7ba402b210c78458be3612d2680f5d5df8ac1c07d0471551118b8"},"schema_version":"1.0"},"canonical_sha256":"62116317ac3164a89356008c33911c55c17d9f89a31b555137459dc443f7a1d9","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T09:57:22.422236Z","signature_b64":"ZLHfTQUrJuKyV9tfxdwhz0CAgznT0a6rtmuxaeta/2jVUb/zWSrkCogU0rGD0LiDobsSHtzRPSruWo/TBVVFCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"62116317ac3164a89356008c33911c55c17d9f89a31b555137459dc443f7a1d9","last_reissued_at":"2026-07-05T09:57:22.421771Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T09:57:22.421771Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2407.18012","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":"2026-07-05T09:57:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NJphX2bfLVxYwrVMSHAVj4mb+jnr1wbawkcaXSK9re7xgB9hwYm/SzhYkWLjgFuCglImEdVDmV6/ddCgWEZyBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T15:53:43.166921Z"},"content_sha256":"5c2ab1e2b6e9d219f6d34de8b4dd908ad0a0c2e786565c0c86a999cf49c46af3","schema_version":"1.0","event_id":"sha256:5c2ab1e2b6e9d219f6d34de8b4dd908ad0a0c2e786565c0c86a999cf49c46af3"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:MIIWGF5MGFSKRE2WACGDHEI4KX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Higher-level large-eddy filtering strategy for general relativistic fluid simulations","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["gr-qc","physics.flu-dyn","physics.plasm-ph"],"primary_cat":"astro-ph.HE","authors_text":"Greg L. Comer, Ian Hawke, Marcus J. Hatton, Nils Andersson, Thomas Celora","submitted_at":"2024-07-25T13:05:55Z","abstract_excerpt":"Nonlinear simulations of neutron star mergers are complicated by the need to represent turbulent dynamics. As we cannot (yet) perform simulations that resolve accurately both the gravitational-wave scale and the smallest scales at which magneto/hydrodynamic turbulence plays a role, we need to rely on approximations. Addressing this problem in the context of large-eddy models, we outline a coherent Lagrangian filtering framework that allows us to explore the many issues that arise, linking conceptual problems to practical implementations and the interpretation of the results. We develop underst"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2407.18012","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2407.18012/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":"2026-07-05T09:57:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"aYUllxWywhLDFc8wcr9EVJk4AsbkpsNADAgR4AQE4a8a4Ucc8gskemLwYuzez5WsFZT2fP+Nk15lPgAKglXkDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T15:53:43.167584Z"},"content_sha256":"1a847c2a49a146c6921b2d4783fc33ce26f8712e30a6169b49c0d8caf7be499c","schema_version":"1.0","event_id":"sha256:1a847c2a49a146c6921b2d4783fc33ce26f8712e30a6169b49c0d8caf7be499c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MIIWGF5MGFSKRE2WACGDHEI4KX/bundle.json","state_url":"https://pith.science/pith/MIIWGF5MGFSKRE2WACGDHEI4KX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MIIWGF5MGFSKRE2WACGDHEI4KX/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":"2026-07-05T15:53:43Z","links":{"resolver":"https://pith.science/pith/MIIWGF5MGFSKRE2WACGDHEI4KX","bundle":"https://pith.science/pith/MIIWGF5MGFSKRE2WACGDHEI4KX/bundle.json","state":"https://pith.science/pith/MIIWGF5MGFSKRE2WACGDHEI4KX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MIIWGF5MGFSKRE2WACGDHEI4KX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:MIIWGF5MGFSKRE2WACGDHEI4KX","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":"cc9f700970e7ba402b210c78458be3612d2680f5d5df8ac1c07d0471551118b8","cross_cats_sorted":["gr-qc","physics.flu-dyn","physics.plasm-ph"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2024-07-25T13:05:55Z","title_canon_sha256":"373cd897aed4f512b75e3e21b39f3a4829b65bf86adc353a0bb188ec1bbc28a2"},"schema_version":"1.0","source":{"id":"2407.18012","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2407.18012","created_at":"2026-07-05T09:57:22Z"},{"alias_kind":"arxiv_version","alias_value":"2407.18012v2","created_at":"2026-07-05T09:57:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2407.18012","created_at":"2026-07-05T09:57:22Z"},{"alias_kind":"pith_short_12","alias_value":"MIIWGF5MGFSK","created_at":"2026-07-05T09:57:22Z"},{"alias_kind":"pith_short_16","alias_value":"MIIWGF5MGFSKRE2W","created_at":"2026-07-05T09:57:22Z"},{"alias_kind":"pith_short_8","alias_value":"MIIWGF5M","created_at":"2026-07-05T09:57:22Z"}],"graph_snapshots":[{"event_id":"sha256:1a847c2a49a146c6921b2d4783fc33ce26f8712e30a6169b49c0d8caf7be499c","target":"graph","created_at":"2026-07-05T09:57:22Z","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/2407.18012/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Nonlinear simulations of neutron star mergers are complicated by the need to represent turbulent dynamics. As we cannot (yet) perform simulations that resolve accurately both the gravitational-wave scale and the smallest scales at which magneto/hydrodynamic turbulence plays a role, we need to rely on approximations. Addressing this problem in the context of large-eddy models, we outline a coherent Lagrangian filtering framework that allows us to explore the many issues that arise, linking conceptual problems to practical implementations and the interpretation of the results. We develop underst","authors_text":"Greg L. Comer, Ian Hawke, Marcus J. Hatton, Nils Andersson, Thomas Celora","cross_cats":["gr-qc","physics.flu-dyn","physics.plasm-ph"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2024-07-25T13:05:55Z","title":"Higher-level large-eddy filtering strategy for general relativistic fluid simulations"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2407.18012","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":"sha256:5c2ab1e2b6e9d219f6d34de8b4dd908ad0a0c2e786565c0c86a999cf49c46af3","target":"record","created_at":"2026-07-05T09:57:22Z","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":"cc9f700970e7ba402b210c78458be3612d2680f5d5df8ac1c07d0471551118b8","cross_cats_sorted":["gr-qc","physics.flu-dyn","physics.plasm-ph"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2024-07-25T13:05:55Z","title_canon_sha256":"373cd897aed4f512b75e3e21b39f3a4829b65bf86adc353a0bb188ec1bbc28a2"},"schema_version":"1.0","source":{"id":"2407.18012","kind":"arxiv","version":2}},"canonical_sha256":"62116317ac3164a89356008c33911c55c17d9f89a31b555137459dc443f7a1d9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"62116317ac3164a89356008c33911c55c17d9f89a31b555137459dc443f7a1d9","first_computed_at":"2026-07-05T09:57:22.421771Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T09:57:22.421771Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ZLHfTQUrJuKyV9tfxdwhz0CAgznT0a6rtmuxaeta/2jVUb/zWSrkCogU0rGD0LiDobsSHtzRPSruWo/TBVVFCA==","signature_status":"signed_v1","signed_at":"2026-07-05T09:57:22.422236Z","signed_message":"canonical_sha256_bytes"},"source_id":"2407.18012","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5c2ab1e2b6e9d219f6d34de8b4dd908ad0a0c2e786565c0c86a999cf49c46af3","sha256:1a847c2a49a146c6921b2d4783fc33ce26f8712e30a6169b49c0d8caf7be499c"],"state_sha256":"e7a2f9b055cb8b2cb002f632ad88d9b0dce1c3afbbdd71eec75aef99ea14cbab"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1oc3VJSQAn3i9LpbIEGrPQlYIUsn6V1BnSx6ZVv7q+xKI/DxV7exvnUd6Gg8jx+1P4/u225tx02dLiEk+w8ABQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-05T15:53:43.171240Z","bundle_sha256":"d4ff0a30b8c5e8b44df1e887e5a56a28951644e85d25e6b5030f241562c2124f"}}