Pith Number

pith:UF7E2TXA

pith:2026:UF7E2TXAMSV3UKVBKXVGF7AB4S

not attested not anchored not stored refs pending

Arithmetic Pedagogy for Language Models

Andhika Bernard Lumbantobing, Hokky Situngkir

arxiv:2606.05106 v1 · 2026-06-03 · cs.CL · cs.AI · cs.CY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UF7E2TXAMSV3UKVBKXVGF7AB4S}

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	2026-06-04T01:10:06.532955Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a17e4d4ee064abba2aa155ea62fc01e4a0ba358c901caedef5ba0c7919103007

Aliases

arxiv: 2606.05106 · arxiv_version: 2606.05106v1 · doi: 10.48550/arxiv.2606.05106 · pith_short_12: UF7E2TXAMSV3 · pith_short_16: UF7E2TXAMSV3UKVB · pith_short_8: UF7E2TXA

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/UF7E2TXAMSV3UKVBKXVGF7AB4S \
  | 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: a17e4d4ee064abba2aa155ea62fc01e4a0ba358c901caedef5ba0c7919103007

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f0e20a9cccfa4b17955bcf5025e623ebc92de31799db39eb166bb72874aab6e7",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-06-03T17:09:25Z",
    "title_canon_sha256": "9e35f4ef2d7d1128d0e356b952b1c124040e9fa87cab459b67dfc17826e6edb5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.05106",
    "kind": "arxiv",
    "version": 1
  }
}