Pith Number

pith:6XYPMDJU

pith:2014:6XYPMDJUB2ZT2Z632B7F6EPJPV

not attested not anchored not stored refs pending

The UML as a Formal Modeling Notation

Andy Evans, Bernhard Rumpe, Kevin Lano, Robert France

arxiv:1409.6919 v1 · 2014-09-24 · cs.SE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6XYPMDJUB2ZT2Z632B7F6EPJPV}

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	2026-05-18T02:42:00.215033Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f5f0f60d340eb33d67dbd07e5f11e97d47f56fcb523e08511adf9dc41dbb716e

Aliases

arxiv: 1409.6919 · arxiv_version: 1409.6919v1 · doi: 10.48550/arxiv.1409.6919 · pith_short_12: 6XYPMDJUB2ZT · pith_short_16: 6XYPMDJUB2ZT2Z63 · pith_short_8: 6XYPMDJU

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/6XYPMDJUB2ZT2Z632B7F6EPJPV \
  | 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: f5f0f60d340eb33d67dbd07e5f11e97d47f56fcb523e08511adf9dc41dbb716e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9ee7c0ab6410392d0f67b3686e22ecb2b161f628c6a14c0373c9ef0b4a9b6b15",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2014-09-24T12:06:19Z",
    "title_canon_sha256": "bdfb0a206f1c5e62b72554519d11c32dcb4a7d2307c218862d65832104a5bba4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.6919",
    "kind": "arxiv",
    "version": 1
  }
}