{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:XBQG7W2JDZFSYKIIDBYGKHW746","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":"4c6373e80ec24745cdd65fdcd735b0e45e05fc79e791a8e5c0020eefafc7c8df","cross_cats_sorted":["math-ph","math.MP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-02-06T09:10:25Z","title_canon_sha256":"5255404d7446d967fa2b67ea050150b983144051ba6db858e4b65f43d0b9114d"},"schema_version":"1.0","source":{"id":"1802.01849","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1802.01849","created_at":"2026-05-18T00:24:21Z"},{"alias_kind":"arxiv_version","alias_value":"1802.01849v1","created_at":"2026-05-18T00:24:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1802.01849","created_at":"2026-05-18T00:24:21Z"},{"alias_kind":"pith_short_12","alias_value":"XBQG7W2JDZFS","created_at":"2026-05-18T12:33:01Z"},{"alias_kind":"pith_short_16","alias_value":"XBQG7W2JDZFSYKII","created_at":"2026-05-18T12:33:01Z"},{"alias_kind":"pith_short_8","alias_value":"XBQG7W2J","created_at":"2026-05-18T12:33:01Z"}],"graph_snapshots":[{"event_id":"sha256:091849f405e0dd0909f018299f412226cb4cc988ec55ef73583a89da0987e80c","target":"graph","created_at":"2026-05-18T00:24:21Z","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":"There is a belief that the Ehrenfest theorem holds true universally. We demonstrate that for a classically nonrelativistic particle constrained on an $N-1$ ($N\\geq 2$) curved hypersurface embedded in $N$ flat space, the theorem breaks down.","authors_text":"Q. H. Liu, Q. Li, X. Wang, Z. Li","cross_cats":["math-ph","math.MP"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-02-06T09:10:25Z","title":"Breakdown of Ehrenfest theorem for free particle constrained on a hypersurface"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1802.01849","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:c5db5864b8aae91a95bb38a79a0a5b1d736fcd6ad1d6704bd728803b29a2edac","target":"record","created_at":"2026-05-18T00:24:21Z","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":"4c6373e80ec24745cdd65fdcd735b0e45e05fc79e791a8e5c0020eefafc7c8df","cross_cats_sorted":["math-ph","math.MP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-02-06T09:10:25Z","title_canon_sha256":"5255404d7446d967fa2b67ea050150b983144051ba6db858e4b65f43d0b9114d"},"schema_version":"1.0","source":{"id":"1802.01849","kind":"arxiv","version":1}},"canonical_sha256":"b8606fdb491e4b2c29081870651edfe7ad04ef7a0dedde921a30b240153e071a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b8606fdb491e4b2c29081870651edfe7ad04ef7a0dedde921a30b240153e071a","first_computed_at":"2026-05-18T00:24:21.112935Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:24:21.112935Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"jcA+yLgW6DSfqhojpJoNWNKTarb3CLnzgUqOSQunL+5iALXdRve8uJQtowqZr6Un1yOk2EogkeID+xXkZoOUDg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:24:21.113378Z","signed_message":"canonical_sha256_bytes"},"source_id":"1802.01849","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c5db5864b8aae91a95bb38a79a0a5b1d736fcd6ad1d6704bd728803b29a2edac","sha256:091849f405e0dd0909f018299f412226cb4cc988ec55ef73583a89da0987e80c"],"state_sha256":"328b270ef2b48f175a3ad0ca0dabfbdb0a5b6e8557b47d28cca766389c6b7885"}