Pith Number

pith:J4E37L5F

pith:2025:J4E37L5FHQ5HSCIA42EIXORTMY

not attested not anchored not stored refs pending

CP-Router: An Uncertainty-Aware Router Between LLM and LRM

Fulin Lin, Han Zheng, Hongwei Wang, Jiayuan Su, Lu Cheng, Teng Wang, XinLong Zhao, Zhaopeng Feng, Zhenyu Xiao, Zuozhu Liu

arxiv:2505.19970 v1 · 2025-05-26 · 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{J4E37L5FHQ5HSCIA42EIXORTMY}

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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

1 paper in Pith

The Routing Plateau: Understanding and Breaking the Accuracy Limits of LLM Routers

Receipt and verification

First computed	2026-07-05T11:09:50.689979Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4f09bfafa53c3a790900e6888bba336617acfee3c84df5084eed8824e47cc09e

Aliases

arxiv: 2505.19970 · arxiv_version: 2505.19970v1 · doi: 10.48550/arxiv.2505.19970 · pith_short_12: J4E37L5FHQ5H · pith_short_16: J4E37L5FHQ5HSCIA · pith_short_8: J4E37L5F

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/J4E37L5FHQ5HSCIA42EIXORTMY \
  | 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: 4f09bfafa53c3a790900e6888bba336617acfee3c84df5084eed8824e47cc09e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "15818027c18c3e1191d5063dc1d59ff3d2d7cd13900552717f2cc2c4ccdbf3a9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2025-05-26T13:33:31Z",
    "title_canon_sha256": "b7d04497b58697c8c16811ff0cc994a29827ba7cb656eee7399cce8712789877"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.19970",
    "kind": "arxiv",
    "version": 1
  }
}