{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2026:PFIGR4ZHVBHKHAMJ5RWXSI7YIP","short_pith_number":"pith:PFIGR4ZH","schema_version":"1.0","canonical_sha256":"795068f327a84ea38189ec6d7923f843dbf4efc399fdbbb62aafe4d524e2ef8c","source":{"kind":"arxiv","id":"2606.03986","version":1},"attestation_state":"computed","paper":{"title":"NewtPhys: Do Foundation Models Understand Newtonian Physics?","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Andrei Bursuc, Raoul de Charette, Sebastian Cavada, Soumava Paul, Tuan-Hung Vu","submitted_at":"2026-06-02T17:59:12Z","abstract_excerpt":"Previous work has evaluated physics reasoning in foundation models using synthetic or semi-synthetic scenes and visual question-answering tasks. However, these benchmarks emphasize high-level events and lack the visual fidelity required to assess true low-level Newtonian understanding. We introduce NewtPhys, a 4D physically annotated dataset built from multiview images of real-world scenes with physics-grounded simulations. The dataset provides dense, fine-grained annotations across timesteps -- including 3D forces and amodal per-pixel quantities covering physics, tracking, semantics and geome"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"2606.03986","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2026-06-02T17:59:12Z","cross_cats_sorted":[],"title_canon_sha256":"fb06acb5a72b3ab1281332120754ec5a084478c715435b843085d6637ca65b3f","abstract_canon_sha256":"8bc3aad9f128fda130f65e31e9826cb2d2cb57e4f5b26e9d55b212212ff1e63c"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-03T02:06:08.781706Z","signature_b64":"up274x7z5ay+nGwJ5RW/P5UygPfwAaaxcQ9t0aOjOmGOVbGlct609tnwNzlK4zXLKFAkjFCJGph1fbP09Zi1Bw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"795068f327a84ea38189ec6d7923f843dbf4efc399fdbbb62aafe4d524e2ef8c","last_reissued_at":"2026-06-03T02:06:08.781292Z","signature_status":"signed_v1","first_computed_at":"2026-06-03T02:06:08.781292Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"NewtPhys: Do Foundation Models Understand Newtonian Physics?","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Andrei Bursuc, Raoul de Charette, Sebastian Cavada, Soumava Paul, Tuan-Hung Vu","submitted_at":"2026-06-02T17:59:12Z","abstract_excerpt":"Previous work has evaluated physics reasoning in foundation models using synthetic or semi-synthetic scenes and visual question-answering tasks. However, these benchmarks emphasize high-level events and lack the visual fidelity required to assess true low-level Newtonian understanding. We introduce NewtPhys, a 4D physically annotated dataset built from multiview images of real-world scenes with physics-grounded simulations. The dataset provides dense, fine-grained annotations across timesteps -- including 3D forces and amodal per-pixel quantities covering physics, tracking, semantics and geome"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.03986","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/2606.03986/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"},"aliases":[{"alias_kind":"arxiv","alias_value":"2606.03986","created_at":"2026-06-03T02:06:08.781366+00:00"},{"alias_kind":"arxiv_version","alias_value":"2606.03986v1","created_at":"2026-06-03T02:06:08.781366+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.03986","created_at":"2026-06-03T02:06:08.781366+00:00"},{"alias_kind":"pith_short_12","alias_value":"PFIGR4ZHVBHK","created_at":"2026-06-03T02:06:08.781366+00:00"},{"alias_kind":"pith_short_16","alias_value":"PFIGR4ZHVBHKHAMJ","created_at":"2026-06-03T02:06:08.781366+00:00"},{"alias_kind":"pith_short_8","alias_value":"PFIGR4ZH","created_at":"2026-06-03T02:06:08.781366+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/PFIGR4ZHVBHKHAMJ5RWXSI7YIP","json":"https://pith.science/pith/PFIGR4ZHVBHKHAMJ5RWXSI7YIP.json","graph_json":"https://pith.science/api/pith-number/PFIGR4ZHVBHKHAMJ5RWXSI7YIP/graph.json","events_json":"https://pith.science/api/pith-number/PFIGR4ZHVBHKHAMJ5RWXSI7YIP/events.json","paper":"https://pith.science/paper/PFIGR4ZH"},"agent_actions":{"view_html":"https://pith.science/pith/PFIGR4ZHVBHKHAMJ5RWXSI7YIP","download_json":"https://pith.science/pith/PFIGR4ZHVBHKHAMJ5RWXSI7YIP.json","view_paper":"https://pith.science/paper/PFIGR4ZH","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2606.03986&json=true","fetch_graph":"https://pith.science/api/pith-number/PFIGR4ZHVBHKHAMJ5RWXSI7YIP/graph.json","fetch_events":"https://pith.science/api/pith-number/PFIGR4ZHVBHKHAMJ5RWXSI7YIP/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/PFIGR4ZHVBHKHAMJ5RWXSI7YIP/action/timestamp_anchor","attest_storage":"https://pith.science/pith/PFIGR4ZHVBHKHAMJ5RWXSI7YIP/action/storage_attestation","attest_author":"https://pith.science/pith/PFIGR4ZHVBHKHAMJ5RWXSI7YIP/action/author_attestation","sign_citation":"https://pith.science/pith/PFIGR4ZHVBHKHAMJ5RWXSI7YIP/action/citation_signature","submit_replication":"https://pith.science/pith/PFIGR4ZHVBHKHAMJ5RWXSI7YIP/action/replication_record"}},"created_at":"2026-06-03T02:06:08.781366+00:00","updated_at":"2026-06-03T02:06:08.781366+00:00"}