Pith Number

pith:ZUZ7CP2A

pith:2022:ZUZ7CP2AMB7NP6HEZNOSB3YVAY

not attested not anchored not stored refs pending

From Legal Contracts to Legal Calculi: the code-driven normativity

Italy), Silvia Crafa (University of Padova

arxiv:2209.02353 v1 · 2022-09-06 · cs.PL · cs.CY · 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{ZUZ7CP2AMB7NP6HEZNOSB3YVAY}

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	2026-07-05T04:55:10.094690Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cd33f13f40607ed7f8e4cb5d20ef15060796cee7e3f83500709db4bbe65236a3

Aliases

arxiv: 2209.02353 · arxiv_version: 2209.02353v1 · doi: 10.48550/arxiv.2209.02353 · pith_short_12: ZUZ7CP2AMB7N · pith_short_16: ZUZ7CP2AMB7NP6HE · pith_short_8: ZUZ7CP2A

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/ZUZ7CP2AMB7NP6HEZNOSB3YVAY \
  | 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: cd33f13f40607ed7f8e4cb5d20ef15060796cee7e3f83500709db4bbe65236a3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "52962ed67f19ebbd215071f5dcdb67208ce914df4856f6ffd4908eb3c7b7532d",
    "cross_cats_sorted": [
      "cs.CY",
      "cs.LO"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2022-09-06T10:38:19Z",
    "title_canon_sha256": "796be5907747c240f7f0369ff714e19dfef3157ba31ba3e0e9e0aff8c2c618a7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2209.02353",
    "kind": "arxiv",
    "version": 1
  }
}