Pith Number

pith:CLB35PHC

pith:2018:CLB35PHCVVHOOV4TDYL6ED37LG

not attested not anchored not stored refs pending

Pocket Code: a mobile app for game jams to facilitate classroom learning through game creation

Anja Petri, Bernadette Spieler, Christian Schindler, Eugenio Gaeta, Helen Boulton, Jonathan Smith, Maria Betran, Wolfgang Slany

arxiv:1805.04461 v2 · 2018-05-11 · cs.CY · 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{CLB35PHCVVHOOV4TDYL6ED37LG}

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	2026-05-18T00:06:46.039654Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

12c3bebce2ad4ee757931e17e20f7f59a60352b067dceae491834510a24e71d0

Aliases

arxiv: 1805.04461 · arxiv_version: 1805.04461v2 · doi: 10.48550/arxiv.1805.04461 · pith_short_12: CLB35PHCVVHO · pith_short_16: CLB35PHCVVHOOV4T · pith_short_8: CLB35PHC

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/CLB35PHCVVHOOV4TDYL6ED37LG \
  | 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: 12c3bebce2ad4ee757931e17e20f7f59a60352b067dceae491834510a24e71d0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fc23ac4acf447ae1a5cb3f103b2b289af66ef0277c41eabee6f6c60bc794ada8",
    "cross_cats_sorted": [
      "cs.HC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2018-05-11T16:02:20Z",
    "title_canon_sha256": "604b97cdce352a42e9683c6b60c6915cf50451ed2ee6042fb7441d61956145ed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.04461",
    "kind": "arxiv",
    "version": 2
  }
}