Pith Number

pith:EHHBBI3Q

pith:2018:EHHBBI3QLAENF7IF6RXGOEVHBP

not attested not anchored not stored refs pending

A Parametric Framework for Reversible $\pi$-Calculi

Claudio Antares Mezzina, Doriana Medic, Iain Phillips, Nobuko Yoshida

arxiv:1807.11800 v1 · 2018-07-31 · 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{EHHBBI3QLAENF7IF6RXGOEVHBP}

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	2026-05-18T00:09:21.051695Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

21ce10a3705808d2fd05f46e6712a70bc0121173e4627f1de41082915b0dbb3a

Aliases

arxiv: 1807.11800 · arxiv_version: 1807.11800v1 · doi: 10.48550/arxiv.1807.11800 · pith_short_12: EHHBBI3QLAEN · pith_short_16: EHHBBI3QLAENF7IF · pith_short_8: EHHBBI3Q

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/EHHBBI3QLAENF7IF6RXGOEVHBP \
  | 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: 21ce10a3705808d2fd05f46e6712a70bc0121173e4627f1de41082915b0dbb3a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ac327a3b9c0a75f18658ef57d8e6cdcd0abf72c0b3bce3e9a1918f2e8664009b",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2018-07-31T13:10:44Z",
    "title_canon_sha256": "30731dea87a941a2b3cf76206ad97428fd5d330f3dba5879b4ffcd083ebd5c4f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.11800",
    "kind": "arxiv",
    "version": 1
  }
}