Pith Number

pith:FM7HXUME

pith:2025:FM7HXUMEEIJLXJDR3YCJPDYRNA

not attested not anchored not stored refs pending

Interactive Sketchpad: A Multimodal Tutoring System for Collaborative, Visual Problem-Solving

Jimin Lee, Paul Pu Liang, Steven-Shine Chen

arxiv:2503.16434 v2 · 2025-02-12 · cs.HC · 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{FM7HXUMEEIJLXJDR3YCJPDYRNA}

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

1 paper in Pith

PuzzleWorld: A Benchmark for Multimodal, Open-Ended Reasoning in Puzzlehunts

Receipt and verification

First computed	2026-07-05T10:43:06.192652Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2b3e7bd1842212bba471de04978f11682520f1486384733a91a7c2af4aecc109

Aliases

arxiv: 2503.16434 · arxiv_version: 2503.16434v2 · doi: 10.48550/arxiv.2503.16434 · pith_short_12: FM7HXUMEEIJL · pith_short_16: FM7HXUMEEIJLXJDR · pith_short_8: FM7HXUME

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/FM7HXUMEEIJLXJDR3YCJPDYRNA \
  | 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: 2b3e7bd1842212bba471de04978f11682520f1486384733a91a7c2af4aecc109

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eaa6291990c8d56d26ddf0bcb1fb7c3efef6abd6476250344909076ed18a1b80",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.HC",
    "submitted_at": "2025-02-12T00:59:25Z",
    "title_canon_sha256": "f253521c8776794baac7b1b8e88200ddb80cbc5cb50b93ac9866287aa1e69268"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2503.16434",
    "kind": "arxiv",
    "version": 2
  }
}