Pith Number

pith:U55VRNHN

pith:2026:U55VRNHNZ2A3X3M5GYL6JIAUEX

not attested not anchored not stored refs pending

Learning to Learn-at-Test-Time: Language Agents with Learnable Adaptation Policies

Bryan Hooi, Hui Chen, Qian Wang, Yibo Li, Zhanzhi Lou

arxiv:2604.00830 v3 · 2026-04-01 · cs.LG · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{U55VRNHNZ2A3X3M5GYL6JIAUEX}

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.

Cited by

1 paper in Pith

Environment-Grounded Automated Prompt Optimization for LLM Game Agents

Receipt and verification

First computed	2026-07-16T01:22:39.241612Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a77b58b4edce81bbed9d3617e4a01425d2a9ddcacd1beef1da2db965e768aba6

Aliases

arxiv: 2604.00830 · arxiv_version: 2604.00830v3 · doi: 10.48550/arxiv.2604.00830 · pith_short_12: U55VRNHNZ2A3 · pith_short_16: U55VRNHNZ2A3X3M5 · pith_short_8: U55VRNHN

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/U55VRNHNZ2A3X3M5GYL6JIAUEX \
  | 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: a77b58b4edce81bbed9d3617e4a01425d2a9ddcacd1beef1da2db965e768aba6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9ef0953ba291c14cee32a1b5769374b919482a59d1c5f9b7385fb57e9cfef86a",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-04-01T12:41:01Z",
    "title_canon_sha256": "ec55d33803e67dd8ab7a32c70983f0e043951054d3af161b87484ef82731fc24"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2604.00830",
    "kind": "arxiv",
    "version": 3
  }
}