Pith Number

pith:A467SIL4

pith:2025:A467SIL4VKHWPC5U7UGHE27DJH

not attested not anchored not stored refs pending

MMTutorBench: The First Multimodal Benchmark for AI Math Tutoring

Jiaming Su, Meng Jiang, Mengzhao Jia, Sichen Guo, Tengchao Yang, Yuanyang Liu, Zhihan Zhang

arxiv:2510.23477 v2 · 2025-10-27 · 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{A467SIL4VKHWPC5U7UGHE27DJH}

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	2026-05-17T23:39:17.227412Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

073df9217caa8f678bb4fd0c726be349ffb8b5a86da83f98f91f1657ebdcdb78

Aliases

arxiv: 2510.23477 · arxiv_version: 2510.23477v2 · doi: 10.48550/arxiv.2510.23477 · pith_short_12: A467SIL4VKHW · pith_short_16: A467SIL4VKHWPC5U · pith_short_8: A467SIL4

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/A467SIL4VKHWPC5U7UGHE27DJH \
  | 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: 073df9217caa8f678bb4fd0c726be349ffb8b5a86da83f98f91f1657ebdcdb78

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a225fde4faad4c80eaabe2db8e2d500ab840144eff6afbfd6ec6333d2da66d9c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2025-10-27T16:11:49Z",
    "title_canon_sha256": "b9073df2efdfcebc790a3cd9a7cb67e30455392ad6419ad72adcde7898367809"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2510.23477",
    "kind": "arxiv",
    "version": 2
  }
}