Pith Number

pith:3ZJPB2IK

pith:2014:3ZJPB2IKWTYJVVGIOWOILYJ5FC

not attested not anchored not stored refs pending

System Model Semantics of Class Diagrams

Bernhard Rumpe, Hans Gr\"onninger, Maria Victoria Cengarle

arxiv:1409.6635 v1 · 2014-09-22 · 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{3ZJPB2IKWTYJVVGIOWOILYJ5FC}

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	2026-05-18T02:42:06.606721Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

de52f0e90ab4f09ad4c8759c85e13d2896f67202dcb4696002d1406d5eb85f11

Aliases

arxiv: 1409.6635 · arxiv_version: 1409.6635v1 · doi: 10.48550/arxiv.1409.6635 · pith_short_12: 3ZJPB2IKWTYJ · pith_short_16: 3ZJPB2IKWTYJVVGI · pith_short_8: 3ZJPB2IK

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/3ZJPB2IKWTYJVVGIOWOILYJ5FC \
  | 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: de52f0e90ab4f09ad4c8759c85e13d2896f67202dcb4696002d1406d5eb85f11

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eecbace553f6fd137b18dbb479d05a44f4f84019553a9b68dc6b526995bc8671",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2014-09-22T12:27:58Z",
    "title_canon_sha256": "2bab4d4bcfa356c01aabcafaabbccacea45683bab148ce45b9a138c0eb1b9f69"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.6635",
    "kind": "arxiv",
    "version": 1
  }
}