Pith Number

pith:EEXNILUV

pith:2013:EEXNILUV55TLCXZTBD463KV5UC

not attested not anchored not stored refs pending

Weak Concurrent Kleene Algebra with Application to Algebraic Verification

Annabelle McIver, Georg Struth, Tahiry Rabehaja

arxiv:1301.7153 v1 · 2013-01-30 · cs.FL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EEXNILUV55TLCXZTBD463KV5UC}

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	2026-05-18T03:35:01.163128Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

212ed42e95ef66b15f3308f9edaabda0a5fa4d556edb0176ab0528ac05850ff5

Aliases

arxiv: 1301.7153 · arxiv_version: 1301.7153v1 · doi: 10.48550/arxiv.1301.7153 · pith_short_12: EEXNILUV55TL · pith_short_16: EEXNILUV55TLCXZT · pith_short_8: EEXNILUV

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/EEXNILUV55TLCXZTBD463KV5UC \
  | 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: 212ed42e95ef66b15f3308f9edaabda0a5fa4d556edb0176ab0528ac05850ff5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "839ae146db4254d55e24f5cf93e28f6c575155c1732177db7abe57c00a1894df",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2013-01-30T07:53:48Z",
    "title_canon_sha256": "e750afe11ff3ae7e227fd0705bf8e57099700aa2f23afc4b76cafe9377f3231a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.7153",
    "kind": "arxiv",
    "version": 1
  }
}