Pith Number

pith:GA4STADY

pith:2026:GA4STADYULWBGXASQQUZ7QDTJV

not attested not anchored not stored refs pending

ExToken: Structured Exploration for Efficient Vision-Language-Action Reinforcement Fine-tuning

Dacheng Tao, Guozheng Ma, Haoyu Wang, Li Shen, Yilun Kong, Yunpeng Qing, Zhi Hou

arxiv:2607.12931 v1 · 2026-07-14 · 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{GA4STADYULWBGXASQQUZ7QDTJV}

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	2026-07-15T01:22:25.908146Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3039298078a2ec135c1284299fc0734d613c992961e1f704c494b1d62df2ff1b

Aliases

arxiv: 2607.12931 · arxiv_version: 2607.12931v1 · doi: 10.48550/arxiv.2607.12931 · pith_short_12: GA4STADYULWB · pith_short_16: GA4STADYULWBGXAS · pith_short_8: GA4STADY

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/GA4STADYULWBGXASQQUZ7QDTJV \
  | 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: 3039298078a2ec135c1284299fc0734d613c992961e1f704c494b1d62df2ff1b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "917608c0161dbc9b87db07fa80fc9a95b6e4f9ae7767ec1fabbaeda7c9284adf",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2026-07-14T16:04:41Z",
    "title_canon_sha256": "d99a5a48c6437be5936197d01485c4f5c85bda383605d5421bf62183af753929"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.12931",
    "kind": "arxiv",
    "version": 1
  }
}