Pith Number

pith:4CIBTDQV

pith:2025:4CIBTDQVCA2XIG5HSBR4X4J2CH

not attested not anchored not stored refs pending

Error-Driven Prompt Optimization for Arithmetic Reasoning

Andr\'as Hajdu, \'Arp\'ad P\'andy, R\'obert Lakatos

arxiv:2512.13323 v1 · 2025-12-15 · cs.AI · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4CIBTDQVCA2XIG5HSBR4X4J2CH}

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.

Receipt and verification

First computed	2026-05-26T02:03:06.730785Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e090198e151035741ba79063cbf13a11ecaaf95f80e11f6da2ddf48e7a5eef57

Aliases

arxiv: 2512.13323 · arxiv_version: 2512.13323v1 · doi: 10.48550/arxiv.2512.13323 · pith_short_12: 4CIBTDQVCA2X · pith_short_16: 4CIBTDQVCA2XIG5H · pith_short_8: 4CIBTDQV

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/4CIBTDQVCA2XIG5HSBR4X4J2CH \
  | 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: e090198e151035741ba79063cbf13a11ecaaf95f80e11f6da2ddf48e7a5eef57

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e7d7d02c6ed50586690f2e41c043e597acfb2dbd4b641dbc43525e26d7a321d6",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2025-12-15T13:39:14Z",
    "title_canon_sha256": "bb3cde169ee31fce65fba38bcfe9a00894428de0146ab548c452de5cac8710bd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2512.13323",
    "kind": "arxiv",
    "version": 1
  }
}