Pith Number

pith:6Z6SGOOZ

pith:2026:6Z6SGOOZBIBMZHMB5M3QWTPNA2

not attested not anchored not stored refs pending

VIMPO: Value-Implicit Policy Optimization for LLMs

Aosong Feng, Dawn Song, Sergey Levine, Xuandong Zhao, Zhewei Kang

arxiv:2606.20008 v1 · 2026-06-18 · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6Z6SGOOZBIBMZHMB5M3QWTPNA2}

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	2026-06-19T16:13:00.500424Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f67d2339d90a02cc9d81eb370b4ded069ebb1131243f75b4dbd88b0150171590

Aliases

arxiv: 2606.20008 · arxiv_version: 2606.20008v1 · doi: 10.48550/arxiv.2606.20008 · pith_short_12: 6Z6SGOOZBIBM · pith_short_16: 6Z6SGOOZBIBMZHMB · pith_short_8: 6Z6SGOOZ

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/6Z6SGOOZBIBMZHMB5M3QWTPNA2 \
  | 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: f67d2339d90a02cc9d81eb370b4ded069ebb1131243f75b4dbd88b0150171590

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "76b87c27153b95e3a0e89147aa1f92e16e1a4018b1e8c40f199c55f833538cb2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-06-18T09:44:12Z",
    "title_canon_sha256": "b2a44c01ec7db09138c2c61daf2e316cb91e6441afb0e01ac61ab9663faa5bae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.20008",
    "kind": "arxiv",
    "version": 1
  }
}