Pith Number

pith:3X2GFYZF

pith:2026:3X2GFYZFIOCQFLRLEZOPTB63Z2

not attested not anchored not stored refs pending

Universal Pose Pretraining for Generalizable Vision-Language-Action Policies

Haitao Lin, Hanyang Yu, He Zhang, Jingshun Huang, Ping Tan, Xiangyang Xue, Yanwei Fu, Yonggen Ling

arxiv:2602.19710 v2 · 2026-02-23 · cs.CV · cs.LG · cs.RO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3X2GFYZFIOCQFLRLEZOPTB63Z2}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-20T00:03:06.384872Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ddf462e325438502ae2b265cf987dbce9da62cd435a94113889a64e00a328820

Aliases

arxiv: 2602.19710 · arxiv_version: 2602.19710v2 · doi: 10.48550/arxiv.2602.19710 · pith_short_12: 3X2GFYZFIOCQ · pith_short_16: 3X2GFYZFIOCQFLRL · pith_short_8: 3X2GFYZF

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/3X2GFYZFIOCQFLRLEZOPTB63Z2 \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: ddf462e325438502ae2b265cf987dbce9da62cd435a94113889a64e00a328820

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b05b69419d03c5502be8c65cac55b1b016b5266b0b899cc5ce50fe7708dd6296",
    "cross_cats_sorted": [
      "cs.LG",
      "cs.RO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2026-02-23T11:00:08Z",
    "title_canon_sha256": "d1887ac83aa98df5c4eaa00d1662463d763ef0961ec56be17418f321fccc996c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2602.19710",
    "kind": "arxiv",
    "version": 2
  }
}