Pith Number

pith:RGJSUULC

pith:2025:RGJSUULCIEBJQ7LCAXFRTI5QXC

not attested not anchored not stored refs pending

The Lookahead Limitation: Why Multi-Operand Addition is Hard for LLMs

Josef van Genabith, Simon Ostermann, Tanja Baeumel

arxiv:2502.19981 v1 · 2025-02-27 · 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{RGJSUULCIEBJQ7LCAXFRTI5QXC}

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

4 papers in Pith

The Shape of Addition: Geometric Structures of Arithmetic in Large Language Models

Efficient numeracy in language models through single-token number embeddings

Towards Reasoning Era: A Survey of Long Chain-of-Thought for Reasoning Large Language Models

Hypothesis generation and updating in large language models

Receipt and verification

First computed	2026-07-05T10:20:56.298111Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

89932a51624102987d6205cb19a3b0b8bbe9546143df81d7b139c59b26f2553e

Aliases

arxiv: 2502.19981 · arxiv_version: 2502.19981v1 · doi: 10.48550/arxiv.2502.19981 · pith_short_12: RGJSUULCIEBJ · pith_short_16: RGJSUULCIEBJQ7LC · pith_short_8: RGJSUULC

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/RGJSUULCIEBJQ7LCAXFRTI5QXC \
  | 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: 89932a51624102987d6205cb19a3b0b8bbe9546143df81d7b139c59b26f2553e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3cbd8b175010f63ee8c81d9413aaeed696ef1a92ad149f757c30dd7accf45c04",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2025-02-27T11:03:27Z",
    "title_canon_sha256": "b7daeafb9ed32a9fb009e3873469df1bf125aeb10612514fd444b374971e9ab3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.19981",
    "kind": "arxiv",
    "version": 1
  }
}