Pith Number

pith:XNZKFRXS

pith:2026:XNZKFRXSYVVT2ZHHGF7HSCTEAN

not attested not anchored not stored refs pending

Environment-Grounded Automated Prompt Optimization for LLM Game Agents

Lukas Fehring, Marius Lindauer, Matthias Feurer, Rean Clive Fernandes, Theresa Eimer

arxiv:2606.17838 v1 · 2026-06-16 · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XNZKFRXSYVVT2ZHHGF7HSCTEAN}

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	2026-06-19T16:10:41.025243Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bb72a2c6f2c56b3d64e7317e790a640342a2d632b5ef4ff9742c4546e0ca6907

Aliases

arxiv: 2606.17838 · arxiv_version: 2606.17838v1 · doi: 10.48550/arxiv.2606.17838 · pith_short_12: XNZKFRXSYVVT · pith_short_16: XNZKFRXSYVVT2ZHH · pith_short_8: XNZKFRXS

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/XNZKFRXSYVVT2ZHHGF7HSCTEAN \
  | 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: bb72a2c6f2c56b3d64e7317e790a640342a2d632b5ef4ff9742c4546e0ca6907

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d413e7f01c3241e94c182fa0cf916c2dfa0d69ce159daa2acc453eae2d865784",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-06-16T12:06:27Z",
    "title_canon_sha256": "a3e33bc970ce83bd6d308266fe08832ff89244801859c0f62717bab474ae719d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.17838",
    "kind": "arxiv",
    "version": 1
  }
}