Pith Number

pith:36J26ILE

pith:2025:36J26ILEHPULEUIUWTSRTUYNX5

not attested not anchored not stored refs pending

TIEboard: A Digital Educational Tool for Kids Geometric Learning

Arooj Zaidi, Giulia Barbareschi, Junichi Yamaoka, Kai Kunze, Yun Suen Pai

arxiv:2505.21891 v1 · 2025-05-28 · 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{36J26ILEHPULEUIUWTSRTUYNX5}

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	2026-07-05T11:11:05.486326Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

df93af21643be8b25114b4e519d30dbf758e7d4f481a8d171127966da5e23e2f

Aliases

arxiv: 2505.21891 · arxiv_version: 2505.21891v1 · doi: 10.48550/arxiv.2505.21891 · pith_short_12: 36J26ILEHPUL · pith_short_16: 36J26ILEHPULEUIU · pith_short_8: 36J26ILE

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/36J26ILEHPULEUIUWTSRTUYNX5 \
  | 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: df93af21643be8b25114b4e519d30dbf758e7d4f481a8d171127966da5e23e2f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "021791ae5a6264067ed0d3de1b18b780b832e852332323dfdaeee4dbfd7625c1",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.HC",
    "submitted_at": "2025-05-28T02:10:03Z",
    "title_canon_sha256": "200b78adc124c91e6a15747be54e5a9d8eba5268f571d1fbedc63d124bddf468"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.21891",
    "kind": "arxiv",
    "version": 1
  }
}