Pith Number

pith:FN2I4DW2

pith:2026:FN2I4DW2LJUQ3Q54DDVOOYSHXN

not attested not anchored not stored refs pending

Natural-Language Agent Harnesses

Hai-Tao Zheng, Jingchen Ni, Lexiao Zou, Linyue Pan, Shuo Guo

arxiv:2603.25723 v2 · 2026-03-26 · cs.CL · 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{FN2I4DW2LJUQ3Q54DDVOOYSHXN}

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

14 papers in Pith

Harnesses for Inference-Time Alignment over Execution Trajectories

Code as Agent Harness

AI4BayesCode: From Natural Language Descriptions to Validated Modular Stateful Bayesian Samplers

Intermediate Artifacts as First-Class Citizens: A Data Model for Durable Intermediate Artifacts in Agentic Systems

Harness Engineering as Categorical Architecture

Receipt and verification

First computed	2026-05-20T00:04:30.137087Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2b748e0eda5a690dc3bc18eae76247bb60563ac2e6c799e68822ce5b53afc23b

Aliases

arxiv: 2603.25723 · arxiv_version: 2603.25723v2 · doi: 10.48550/arxiv.2603.25723 · pith_short_12: FN2I4DW2LJUQ · pith_short_16: FN2I4DW2LJUQ3Q54 · pith_short_8: FN2I4DW2

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/FN2I4DW2LJUQ3Q54DDVOOYSHXN \
  | 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: 2b748e0eda5a690dc3bc18eae76247bb60563ac2e6c799e68822ce5b53afc23b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "23d9308d6798c53a544896376038d4d5ff86231ae2552e074633b9aa048ea8db",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-03-26T17:58:15Z",
    "title_canon_sha256": "58d8793125635f8a5c0732598c78344354468b6c38199f9f4893b3bd26ecba89"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2603.25723",
    "kind": "arxiv",
    "version": 2
  }
}