Pith Number

pith:GWC7BV2V

pith:2011:GWC7BV2V4KZDPY44CUJYWKPU3I

not attested not anchored not stored refs pending

A decompilation of the pi-calculus and its application to termination

Roberto Amadio (PPS)

arxiv:1102.2339 v1 · 2011-02-11 · cs.PL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GWC7BV2V4KZDPY44CUJYWKPU3I}

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	2026-05-18T04:28:56.191288Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3585f0d755e2b237e39c15138b29f4da2387ecb435ab241aca80e94e0c08c91d

Aliases

arxiv: 1102.2339 · arxiv_version: 1102.2339v1 · doi: 10.48550/arxiv.1102.2339 · pith_short_12: GWC7BV2V4KZD · pith_short_16: GWC7BV2V4KZDPY44 · pith_short_8: GWC7BV2V

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/GWC7BV2V4KZDPY44CUJYWKPU3I \
  | 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: 3585f0d755e2b237e39c15138b29f4da2387ecb435ab241aca80e94e0c08c91d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3f2569e0176058e0c6f52a7dabecf23495669a40b55c0e2112e1fb4599d6be3a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2011-02-11T12:53:14Z",
    "title_canon_sha256": "cd19ac723ccbd7433b6f4495375c5d802e14da315b9f8b78c900b09e486298fa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.2339",
    "kind": "arxiv",
    "version": 1
  }
}