Pith Number

pith:UPSL3PU6

pith:2019:UPSL3PU6AE5GED4M2C7XIKIBZT

not attested not anchored not stored refs pending

Kleene Theorems for Free Choice Nets Labelled with Distributed Alphabets

Ramchandra Phawade

arxiv:1907.01168 v1 · 2019-07-02 · 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{UPSL3PU6AE5GED4M2C7XIKIBZT}

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	2026-05-17T23:41:41.104168Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a3e4bdbe9e013a620f8cd0bf742901ccda69a927fcbdf11108363a518385cedc

Aliases

arxiv: 1907.01168 · arxiv_version: 1907.01168v1 · doi: 10.48550/arxiv.1907.01168 · pith_short_12: UPSL3PU6AE5G · pith_short_16: UPSL3PU6AE5GED4M · pith_short_8: UPSL3PU6

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/UPSL3PU6AE5GED4M2C7XIKIBZT \
  | 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: a3e4bdbe9e013a620f8cd0bf742901ccda69a927fcbdf11108363a518385cedc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "de8a0c83f74cc2458989064f0854280378c3425cf886af2db934b79e0a365c99",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2019-07-02T05:04:00Z",
    "title_canon_sha256": "5f803f88688618333108f783ce56b13950cb3e5dc527bb519fd2ef0d9e8c56d5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.01168",
    "kind": "arxiv",
    "version": 1
  }
}