Pith Number

pith:4WKTLT4W

pith:2014:4WKTLT4WPBRXGXDQ3QPRMSQL4Y

not attested not anchored not stored refs pending

Modular Description of a Comprehensive Semantics Model for the UML (Version 2.0)

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

arxiv:1409.6637 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{4WKTLT4WPBRXGXDQ3QPRMSQL4Y}

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	2026-05-18T02:42:06.595125Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e59535cf967863735c70dc1f164a0be62059b1647ebc30e9d655aea020e51f16

Aliases

arxiv: 1409.6637 · arxiv_version: 1409.6637v1 · doi: 10.48550/arxiv.1409.6637 · pith_short_12: 4WKTLT4WPBRX · pith_short_16: 4WKTLT4WPBRXGXDQ · pith_short_8: 4WKTLT4W

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/4WKTLT4WPBRXGXDQ3QPRMSQL4Y \
  | 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: e59535cf967863735c70dc1f164a0be62059b1647ebc30e9d655aea020e51f16

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4274b2d098a18c59364aa85989dd2f6cff8e3edbd142893ac63463c9913959dc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2014-09-22T12:25:38Z",
    "title_canon_sha256": "39a3f93e3bcd8107720d224d7d1eb890f3ef349eb785d8880ccd532b7f55933a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.6637",
    "kind": "arxiv",
    "version": 1
  }
}