Pith Number

pith:IBOLQAH5

pith:2026:IBOLQAH562KEYHOTALC3BKXLAH

not attested not anchored not stored refs pending

Towards Pedagogically Aligned LLM Tutors for Math Mistake Remediation

Ekaterina Kochmar, Kseniia Petukhova, Tien Dat Nguyen

arxiv:2606.21502 v1 · 2026-06-19 · 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{IBOLQAH562KEYHOTALC3BKXLAH}

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	2026-06-23T01:13:12.691790Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

405cb800fdf6944c1dd302c5b0aaeb01d96bbd0ffa985da55426b685ef0eb8c5

Aliases

arxiv: 2606.21502 · arxiv_version: 2606.21502v1 · doi: 10.48550/arxiv.2606.21502 · pith_short_12: IBOLQAH562KE · pith_short_16: IBOLQAH562KEYHOT · pith_short_8: IBOLQAH5

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/IBOLQAH562KEYHOTALC3BKXLAH \
  | 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: 405cb800fdf6944c1dd302c5b0aaeb01d96bbd0ffa985da55426b685ef0eb8c5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "deb02efff96d7239cd4296730ca064a52c00da004de2a20ebc2745dfd0058594",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-06-19T14:53:55Z",
    "title_canon_sha256": "8cc119e539d837bb894c16b62d340b6bf49c61d76865761fda684f0084869556"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.21502",
    "kind": "arxiv",
    "version": 1
  }
}