Pith Number

pith:YPUJMJSI

pith:2026:YPUJMJSIJ4HV72ZWWOZZU3QVWR

not attested not anchored not stored refs pending

PolicyTrim: Boosting Intrinsic Policy Efficiency of Vision-Language-Action Models

Changsheng Li, Feng Chen, Hua Yan, Wenbo Zhang, Xianghui Wang, Yinjie Lei, Zixuan Wang

arxiv:2606.22540 v1 · 2026-06-21 · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YPUJMJSIJ4HV72ZWWOZZU3QVWR}

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	2026-06-23T02:13:41.095053Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c3e89626484f0f5feb36b3b39a6e15b47587442d4949e610c606764df300ff08

Aliases

arxiv: 2606.22540 · arxiv_version: 2606.22540v1 · doi: 10.48550/arxiv.2606.22540 · pith_short_12: YPUJMJSIJ4HV · pith_short_16: YPUJMJSIJ4HV72ZW · pith_short_8: YPUJMJSI

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/YPUJMJSIJ4HV72ZWWOZZU3QVWR \
  | 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: c3e89626484f0f5feb36b3b39a6e15b47587442d4949e610c606764df300ff08

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c6cac5080f40e473972d1d60e8fddc53f42629e148ea64559760b70f76ddd0c2",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2026-06-21T14:54:07Z",
    "title_canon_sha256": "3c8919acadacac1ead4d2afd9d090414e05d717c8ed7069c557274f465cbab78"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.22540",
    "kind": "arxiv",
    "version": 1
  }
}