Pith Number

pith:46T64IKO

pith:2013:46T64IKONOJSX62PIHFZU5BP6Q

not attested not anchored not stored refs pending

Madeup: A Mobile Development Environment for Programming 3-D Models

Chris Johnson

arxiv:1309.7391 v1 · 2013-09-27 · cs.CY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{46T64IKONOJSX62PIHFZU5BP6Q}

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	2026-05-18T03:11:58.858701Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e7a7ee214e6b932bfb4f41cb9a742ff4046abad3f661b8136705b0aa318dcf06

Aliases

arxiv: 1309.7391 · arxiv_version: 1309.7391v1 · doi: 10.48550/arxiv.1309.7391 · pith_short_12: 46T64IKONOJS · pith_short_16: 46T64IKONOJSX62P · pith_short_8: 46T64IKO

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/46T64IKONOJSX62PIHFZU5BP6Q \
  | 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: e7a7ee214e6b932bfb4f41cb9a742ff4046abad3f661b8136705b0aa318dcf06

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "58a5be34081ca26bfdd1a1b09eb06ba50960b8c66060187a2868f76ba6d5a7d7",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/3.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2013-09-27T23:50:57Z",
    "title_canon_sha256": "f5e232ba4a727d0bdd51baa66d6ff8031dc797e94a409d18bab790a333fed3ae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.7391",
    "kind": "arxiv",
    "version": 1
  }
}