Pith Number

pith:7I77OWML

pith:2024:7I77OWMLUHD7JTJPXH4YJDRAGE

not attested not anchored not stored refs pending

MindScratch: A Visual Programming Support Tool for Classroom Learning Based on Multimodal Generative AI

Lingyun Sun, Liuqing Chen, Shuhong Xiao, Yaxuan Song, Yunnong Chen, Zejian Li

arxiv:2412.09001 v1 · 2024-12-12 · cs.HC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7I77OWMLUHD7JTJPXH4YJDRAGE}

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	2026-07-05T09:48:05.168804Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fa3ff7598ba1c7f4cd2fb9f9848e2031241b7d451b5a2698692d80560a05bf65

Aliases

arxiv: 2412.09001 · arxiv_version: 2412.09001v1 · doi: 10.48550/arxiv.2412.09001 · pith_short_12: 7I77OWMLUHD7 · pith_short_16: 7I77OWMLUHD7JTJP · pith_short_8: 7I77OWML

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/7I77OWMLUHD7JTJPXH4YJDRAGE \
  | 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: fa3ff7598ba1c7f4cd2fb9f9848e2031241b7d451b5a2698692d80560a05bf65

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e6e93f92b46036cf46b6eb16dad81e10c9cb9e75e4f77077382ea77d9a03cfce",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.HC",
    "submitted_at": "2024-12-12T07:07:56Z",
    "title_canon_sha256": "3e4fa13c4f0a9991548a2c21e465d551702cb902fc2cd291472a49fad54f29d6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2412.09001",
    "kind": "arxiv",
    "version": 1
  }
}