Pith Number

pith:TO5QE7IE

pith:2019:TO5QE7IEABFIGT353NUGLJ4SSZ

not attested not anchored not stored refs pending

A Graph-Based Tool to Embed the {\pi}-Calculus into a Computational DPO Framework

Daniel Merkle, Jakob Lykke Andersen, Marc Hellmuth, Marco Peressotti, Nikolai N{\o}jgaard

arxiv:1911.00407 v1 · 2019-10-29 · cs.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TO5QE7IEABFIGT353NUGLJ4SSZ}

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	2026-07-05T00:16:27.340536Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9bbb027d04004a834f7ddb6865a7929660ab19c9d3121896322aeaf04bd0163b

Aliases

arxiv: 1911.00407 · arxiv_version: 1911.00407v1 · doi: 10.48550/arxiv.1911.00407 · pith_short_12: TO5QE7IEABFI · pith_short_16: TO5QE7IEABFIGT35 · pith_short_8: TO5QE7IE

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/TO5QE7IEABFIGT353NUGLJ4SSZ \
  | 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: 9bbb027d04004a834f7ddb6865a7929660ab19c9d3121896322aeaf04bd0163b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cb2fc2402ce8f3069069afcd72c3568c83226263fd00723d30717107fa77e3f9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2019-10-29T10:23:01Z",
    "title_canon_sha256": "a52375dd7d7f3dcc5b2366c802f639650e5d42cd0be3c5c837d29c24359a0572"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1911.00407",
    "kind": "arxiv",
    "version": 1
  }
}