Pith Number

pith:2SU3YYPH

pith:2025:2SU3YYPHPLWW5VFTGVRMZJIFRK

not attested not anchored not stored refs pending

A Structured Unplugged Approach for Foundational AI Literacy in Primary Education

Maria Cristina Carrisi, Mirko Marras, Sara Vergallo

arxiv:2505.21398 v1 · 2025-05-27 · cs.AI · cs.ET

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2SU3YYPHPLWW5VFTGVRMZJIFRK}

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	2026-07-05T11:10:41.399272Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d4a9bc61e77aed6ed4b33562cca5058ab69ab17ac4901e5f23e5859159401784

Aliases

arxiv: 2505.21398 · arxiv_version: 2505.21398v1 · doi: 10.48550/arxiv.2505.21398 · pith_short_12: 2SU3YYPHPLWW · pith_short_16: 2SU3YYPHPLWW5VFT · pith_short_8: 2SU3YYPH

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/2SU3YYPHPLWW5VFTGVRMZJIFRK \
  | 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: d4a9bc61e77aed6ed4b33562cca5058ab69ab17ac4901e5f23e5859159401784

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d1fcd2b438a039b2244e367f43d1d4622020f9f226c51d4c01f4cebb72bde151",
    "cross_cats_sorted": [
      "cs.ET"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2025-05-27T16:23:57Z",
    "title_canon_sha256": "bf4f7f79db2f293c4244b2b7d78ea180f49e937fdf977a036cb158276fe2d7c6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.21398",
    "kind": "arxiv",
    "version": 1
  }
}