Pith Number

pith:2NGN3BYN

pith:2014:2NGN3BYNWJXHSP6ISETCU6ABZ2

not attested not anchored not stored refs pending

An Operational Semantics for Activity Diagrams using SMV

Bernhard Rumpe, Jan Oliver Ringert, Shahar Maoz

arxiv:1409.2356 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{2NGN3BYNWJXHSP6ISETCU6ABZ2}

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	2026-05-18T02:43:17.321388Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d34cdd870db26e793fc891262a7801ceb5e30e4e8333f2ce1bbdae43c6b7e973

Aliases

arxiv: 1409.2356 · arxiv_version: 1409.2356v1 · doi: 10.48550/arxiv.1409.2356 · pith_short_12: 2NGN3BYNWJXH · pith_short_16: 2NGN3BYNWJXHSP6I · pith_short_8: 2NGN3BYN

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/2NGN3BYNWJXHSP6ISETCU6ABZ2 \
  | 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: d34cdd870db26e793fc891262a7801ceb5e30e4e8333f2ce1bbdae43c6b7e973

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "df78ce308294d498c10fa5ba585fa747829ce3bc5e9d547913ac257a01289e68",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2014-09-08T14:19:22Z",
    "title_canon_sha256": "685303bba1dcb034ddc36aca2971ef3f64bad7d7c87c37841bfb389069a8d08c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.2356",
    "kind": "arxiv",
    "version": 1
  }
}