Pith Number

pith:LJ5CNM6X

pith:2026:LJ5CNM6XR66DPEWK6JA6ISKFXW

not attested not anchored not stored refs pending

PRPO: Perception-Reinforced Policy Optimization via Token-Level Dynamic Advantage Reshaping

Hangyu Li, Kaitao Jiang, Kangning Niu, Mu Xu, Qiming Li, Ruiyan Gong, Tianlun Li, Xiaolong Cheng

arxiv:2606.08708 v1 · 2026-06-07 · 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{LJ5CNM6XR66DPEWK6JA6ISKFXW}

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	2026-06-09T01:05:47.947029Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5a7a26b3d78fbc3792caf241e44945bd8a704e9678ee1c4f830b98e6e09e0877

Aliases

arxiv: 2606.08708 · arxiv_version: 2606.08708v1 · doi: 10.48550/arxiv.2606.08708 · pith_short_12: LJ5CNM6XR66D · pith_short_16: LJ5CNM6XR66DPEWK · pith_short_8: LJ5CNM6X

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/LJ5CNM6XR66DPEWK6JA6ISKFXW \
  | 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: 5a7a26b3d78fbc3792caf241e44945bd8a704e9678ee1c4f830b98e6e09e0877

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5d6f66b121cf943aebe8fa38a0002b8de2411d362734c46e9e52e8f184358b90",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2026-06-07T16:06:29Z",
    "title_canon_sha256": "b9e054fafb142e282f00abccbe4053245d3b0c103fe0481c603d000f67ea917f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.08708",
    "kind": "arxiv",
    "version": 1
  }
}