Pith Number

pith:3WK2F57Y

pith:2012:3WK2F57YYGSTO5EUCHYFLYOKQW

not attested not anchored not stored refs pending

Standing on the Shoulders of Their Peers: Success Factors for Massive Cooperation Among Children Creating Open Source Animations and Games on Their Smartphones

Tobias Gritschacher, Wolfgang Slany

arxiv:1204.6408 v1 · 2012-04-28 · cs.CY · cs.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3WK2F57YYGSTO5EUCHYFLYOKQW}

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	2026-05-18T03:56:45.635123Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dd95a2f7f8c1a537749411f055e1ca85bb22e826c804243c58e61e36e54bb21d

Aliases

arxiv: 1204.6408 · arxiv_version: 1204.6408v1 · doi: 10.48550/arxiv.1204.6408 · pith_short_12: 3WK2F57YYGST · pith_short_16: 3WK2F57YYGSTO5EU · pith_short_8: 3WK2F57Y

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/3WK2F57YYGSTO5EUCHYFLYOKQW \
  | 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: dd95a2f7f8c1a537749411f055e1ca85bb22e826c804243c58e61e36e54bb21d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ef928ce3fa248403830c0902a082dc909ab9c4e04e50e09ae9a4a39762a3eef7",
    "cross_cats_sorted": [
      "cs.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2012-04-28T14:10:30Z",
    "title_canon_sha256": "83e87d35be34c55def156347cef78dd896d7a306409e82972f38ba0ffcbbffa2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.6408",
    "kind": "arxiv",
    "version": 1
  }
}