Pith Number

pith:RFEGH4Q4

pith:2024:RFEGH4Q4VKIXYGHTTP2GEE5HXO

not attested not anchored not stored refs pending

AI-assisted Automated Short Answer Grading of Handwritten University Level Mathematics Exams

Gerd Kortemeyer, Julia Chatain, Laura Kobel-Keller, Mrinmaya Sachan, Thomas Willwacher, Tianyi Liu

arxiv:2408.11728 v1 · 2024-08-21 · math.HO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RFEGH4Q4VKIXYGHTTP2GEE5HXO}

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

3 papers in Pith

Testing the Validity of Embedding-Based Similarity and Clustering for Handwritten Physics Solutions

Automated Grading of Handwritten Mathematics Using Vision-Capable LLMs

EDU-CIRCUIT-HW: Evaluating Multimodal Large Language Models on Real-World University-Level STEM Student Handwritten Solutions

Receipt and verification

First computed	2026-07-05T08:57:48.203253Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

894863f21caa917c18f39bf46213a7bba099ee59d2e01a3ed142681dc36d04af

Aliases

arxiv: 2408.11728 · arxiv_version: 2408.11728v1 · doi: 10.48550/arxiv.2408.11728 · pith_short_12: RFEGH4Q4VKIX · pith_short_16: RFEGH4Q4VKIXYGHT · pith_short_8: RFEGH4Q4

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/RFEGH4Q4VKIXYGHTTP2GEE5HXO \
  | 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: 894863f21caa917c18f39bf46213a7bba099ee59d2e01a3ed142681dc36d04af

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7d0a4f2b1ceb68da853efc1447d7ed46015318e33d1b619e29fa6f17940628dc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.HO",
    "submitted_at": "2024-08-21T15:54:06Z",
    "title_canon_sha256": "fbaf94e1dbc1103744f9394da26db6804823a5ae38cf5c475b92fe233ec9365f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2408.11728",
    "kind": "arxiv",
    "version": 1
  }
}