Pith Number

pith:TZ4HEZCZ

pith:2026:TZ4HEZCZKD2CM7RLXMBB2UUYKP

not attested not anchored not stored refs pending

Towards Fully Automated Exam Grading: Fairness-Aware Recognition of Handwritten Answers with Foundation Models

Hartwig Grabowski

arxiv:2606.11477 v1 · 2026-06-09 · cs.CV · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TZ4HEZCZKD2CM7RLXMBB2UUYKP}

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	2026-06-11T01:09:51.161327Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9e7872645950f4267e2bbb021d529853d66f5bf5efc31680ffe03f5f7055818f

Aliases

arxiv: 2606.11477 · arxiv_version: 2606.11477v1 · doi: 10.48550/arxiv.2606.11477 · pith_short_12: TZ4HEZCZKD2C · pith_short_16: TZ4HEZCZKD2CM7RL · pith_short_8: TZ4HEZCZ

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/TZ4HEZCZKD2CM7RLXMBB2UUYKP \
  | 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: 9e7872645950f4267e2bbb021d529853d66f5bf5efc31680ffe03f5f7055818f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bbbe0319270c7168e358b23e4cf5691e7026ebccaced3ce5fcbe1ffd8abfc8e6",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2026-06-09T22:12:43Z",
    "title_canon_sha256": "4fe963d9db908f848d4bb479c55048cbb5781a03a78f9ed84fb3bfd375785448"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.11477",
    "kind": "arxiv",
    "version": 1
  }
}