Pith Number

pith:ISWRHZPL

pith:2026:ISWRHZPLPRXDDS6IY2DUSL3RTQ

not attested not anchored not stored refs pending

ASA: Backbone-Training-Free Representation Engineering for Tool-Calling Agents

Jiani Liang, Liangming Pan, Min Huang, Rong Fu, Run Zhou, Shuaishuai Cao, Tao Fang, Yingjie Ma, Youjin Wang

arxiv:2602.04935 v3 · 2026-02-04 · cs.SE · 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{ISWRHZPLPRXDDS6IY2DUSL3RTQ}

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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

4 papers in Pith

Model-Adaptive Tool Necessity Reveals the Knowing-Doing Gap in LLM Tool Use

Decodable but Not Corrected by Fixed Residual-Stream Linear Steering: Evidence from Medical LLM Failure Regimes

Tool Calling is Linearly Readable and Steerable in Language Models

Receipt and verification

First computed	2026-06-10T01:09:54.841228Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

44ad13e5eb7c6e31cbc8c687492f719c1a1ddbc0a8fb85c99465c19532f362b0

Aliases

arxiv: 2602.04935 · arxiv_version: 2602.04935v3 · doi: 10.48550/arxiv.2602.04935 · pith_short_12: ISWRHZPLPRXD · pith_short_16: ISWRHZPLPRXDDS6I · pith_short_8: ISWRHZPL

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/ISWRHZPLPRXDDS6IY2DUSL3RTQ \
  | 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: 44ad13e5eb7c6e31cbc8c687492f719c1a1ddbc0a8fb85c99465c19532f362b0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d052dc96b4ccc8d8f0d3a48effb6262ec60eb34a48f8797d381d89021b85ffc4",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2026-02-04T14:20:02Z",
    "title_canon_sha256": "3cbc54ebf8e24b1a95da9353c9eff45730e93cbc6bb3c989886bfb336eb6118a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2602.04935",
    "kind": "arxiv",
    "version": 3
  }
}