Pith Number

pith:GD4CURUO

pith:2015:GD4CURUOETDATRTR6RGFAWTRO3

not attested not anchored not stored refs pending

Democratizing Children's Computation: Learning Computational Science as Aesthetic Experience

Amy Farris, Pratim Sengupta

arxiv:1512.08619 v1 · 2015-12-29 · physics.ed-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GD4CURUOETDATRTR6RGFAWTRO3}

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	2026-05-18T01:23:37.151927Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

30f82a468e24c609c671f44c505a7176cd91b04a7d488201046edfdc2bbd5471

Aliases

arxiv: 1512.08619 · arxiv_version: 1512.08619v1 · doi: 10.48550/arxiv.1512.08619 · pith_short_12: GD4CURUOETDA · pith_short_16: GD4CURUOETDATRTR · pith_short_8: GD4CURUO

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/GD4CURUOETDATRTR6RGFAWTRO3 \
  | 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: 30f82a468e24c609c671f44c505a7176cd91b04a7d488201046edfdc2bbd5471

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0014551ecae2e4b0e8c4a1ba31df845b496f62ee6f7c7e82463de71de95a40cd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2015-12-29T08:41:50Z",
    "title_canon_sha256": "956035cbaba5a1b80d75ba508b29b3b9ef2fd31b24748b203be001ee6207fc91"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.08619",
    "kind": "arxiv",
    "version": 1
  }
}