Pith Number

pith:6X6HDWTW

pith:2025:6X6HDWTW7WHYMXJ63OLHXZG2Z3

not attested not anchored not stored refs pending

Pensieve Grader: An AI-Powered, Ready-to-Use Platform for Effortless Handwritten STEM Grading

Keren Shao, Marlon Rondinelli, Minjune Kim, Yoonseok Yang

arxiv:2507.01431 v2 · 2025-07-02 · cs.AI · cs.CL · cs.HC · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6X6HDWTW7WHYMXJ63OLHXZG2Z3}

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

2 papers in Pith

Creating and Evaluating K-12 GenAI Assessment Graders Through Context Engineering

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

Receipt and verification

First computed	2026-07-05T11:32:33.265918Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f5fc71da76fd8f865d3edb967be4daceea7cc805ae077f908426247170e72a02

Aliases

arxiv: 2507.01431 · arxiv_version: 2507.01431v2 · doi: 10.48550/arxiv.2507.01431 · pith_short_12: 6X6HDWTW7WHY · pith_short_16: 6X6HDWTW7WHYMXJ6 · pith_short_8: 6X6HDWTW

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/6X6HDWTW7WHYMXJ63OLHXZG2Z3 \
  | 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: f5fc71da76fd8f865d3edb967be4daceea7cc805ae077f908426247170e72a02

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8bfccfc88db1c7a807de3ab9ab08aa9aec5dcfaec5ff94ea0654e1f606a81778",
    "cross_cats_sorted": [
      "cs.CL",
      "cs.HC",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2025-07-02T07:33:19Z",
    "title_canon_sha256": "3b87c0efa82b6f78b59cf688bd07259880a55477c0c8427489c5fedcf0448b33"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.01431",
    "kind": "arxiv",
    "version": 2
  }
}