Pith Number

pith:UHEFF4GI

pith:2014:UHEFF4GIIBYX5F34TWOD5QPP7O

not attested not anchored not stored refs pending

ADDiff: Semantic Differencing for Activity Diagrams

Bernhard Rumpe, Jan Oliver Ringert, Shahar Maoz

arxiv:1409.2352 v1 · 2014-09-08 · 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{UHEFF4GIIBYX5F34TWOD5QPP7O}

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	2026-05-18T02:43:17.340691Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a1c852f0c840717e977c9d9c3ec1effbbf52c5b9625800c7180e0dab28dc60e3

Aliases

arxiv: 1409.2352 · arxiv_version: 1409.2352v1 · doi: 10.48550/arxiv.1409.2352 · pith_short_12: UHEFF4GIIBYX · pith_short_16: UHEFF4GIIBYX5F34 · pith_short_8: UHEFF4GI

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/UHEFF4GIIBYX5F34TWOD5QPP7O \
  | 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: a1c852f0c840717e977c9d9c3ec1effbbf52c5b9625800c7180e0dab28dc60e3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "13cd4406c793b355bdb2680c94d68a508f871f4a5332fc33c8d598c99ce8ec2f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2014-09-08T14:14:56Z",
    "title_canon_sha256": "ffe3a55b6ca5c0b7bb13a31332941e9c92f7122a875dfd3f2fda91648709b91e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.2352",
    "kind": "arxiv",
    "version": 1
  }
}