{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:N2OTLUUSCQ5CWIPFSJYKAFSE26","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":"0817d7d38aefda46eac1972f64c133fdce17ec2063d121b9fac75e110c397e01","cross_cats_sorted":["cs.LG"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2026-03-17T12:10:56Z","title_canon_sha256":"20e06b6c475d6d2599899dce12f7911fdfc7a11a37ab98d4df97dd5d0435154f"},"schema_version":"1.0","source":{"id":"2603.16432","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2603.16432","created_at":"2026-07-02T01:18:07Z"},{"alias_kind":"arxiv_version","alias_value":"2603.16432v3","created_at":"2026-07-02T01:18:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2603.16432","created_at":"2026-07-02T01:18:07Z"},{"alias_kind":"pith_short_12","alias_value":"N2OTLUUSCQ5C","created_at":"2026-07-02T01:18:07Z"},{"alias_kind":"pith_short_16","alias_value":"N2OTLUUSCQ5CWIPF","created_at":"2026-07-02T01:18:07Z"},{"alias_kind":"pith_short_8","alias_value":"N2OTLUUS","created_at":"2026-07-02T01:18:07Z"}],"graph_snapshots":[{"event_id":"sha256:cfb6db76be8a217e8d7bde2e595bae8e27eb7b267cb1c932c4f084e7025d200c","target":"graph","created_at":"2026-07-02T01:18:07Z","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/2603.16432/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Unsupervised physical parameter estimation from video lacks a common benchmark: existing methods evaluate on non-overlapping synthetic data, the sole real-world dataset is restricted to single-body systems, and no established protocol addresses governing-equation identification. This work introduces IRIS, a high-fidelity benchmark comprising 240 real-world videos captured at 4K resolution and 60fps, spanning both single- and multi-body dynamics with independently measured ground-truth parameters and uncertainty estimates. Each dynamical system is recorded under controlled laboratory conditions","authors_text":"Erchin Serpedin, Hasan Kurban, Mohamed Rayan Barhdadi, Rasul Khanbayov","cross_cats":["cs.LG"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2026-03-17T12:10:56Z","title":"IRIS: A Real-World Benchmark for Inverse Recovery and Identification of Physical Dynamic Systems from Monocular Video"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2603.16432","kind":"arxiv","version":3},"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":"sha256:79fbc25daa3fac48c07ea707f9ef6c84571a3f41532df4dc5af3c796c66d47de","target":"record","created_at":"2026-07-02T01:18:07Z","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":"0817d7d38aefda46eac1972f64c133fdce17ec2063d121b9fac75e110c397e01","cross_cats_sorted":["cs.LG"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2026-03-17T12:10:56Z","title_canon_sha256":"20e06b6c475d6d2599899dce12f7911fdfc7a11a37ab98d4df97dd5d0435154f"},"schema_version":"1.0","source":{"id":"2603.16432","kind":"arxiv","version":3}},"canonical_sha256":"6e9d35d292143a2b21e59270a01644d79b38137bbc53939ff4d8f0933d3cf444","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6e9d35d292143a2b21e59270a01644d79b38137bbc53939ff4d8f0933d3cf444","first_computed_at":"2026-07-02T01:18:07.383071Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-02T01:18:07.383071Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"+fm4RSEKj4GfUx0GMaAVM4Hap073s6ARUYqyUbsUb16vN1OEAlTCV+xIw1Gpf5HasDeq9sMbQKmOJXkc/h68Bg==","signature_status":"signed_v1","signed_at":"2026-07-02T01:18:07.383667Z","signed_message":"canonical_sha256_bytes"},"source_id":"2603.16432","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:79fbc25daa3fac48c07ea707f9ef6c84571a3f41532df4dc5af3c796c66d47de","sha256:cfb6db76be8a217e8d7bde2e595bae8e27eb7b267cb1c932c4f084e7025d200c"],"state_sha256":"980cab2919823121cbe6160380a866b8526a0d1368b622e60d07823d94d1d298"}