Pith Number

pith:CSB7Z7SH

pith:2013:CSB7Z7SHUTGNZ7LFDEPKRBLXU6

not attested not anchored not stored refs pending

Testing Java implementations of algebraic specifications

Filipe Lu\'is (University of Lisbon, Isabel Nunes (University of Lisbon, Lisboa, Portugal)

arxiv:1303.1008 v1 · 2013-03-05 · cs.SE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CSB7Z7SHUTGNZ7LFDEPKRBLXU6}

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	2026-05-18T03:31:53.172428Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1483fcfe47a4ccdcfd65191ea88577a7b7b3be87e3bfe61520bd0401184c8891

Aliases

arxiv: 1303.1008 · arxiv_version: 1303.1008v1 · doi: 10.48550/arxiv.1303.1008 · pith_short_12: CSB7Z7SHUTGN · pith_short_16: CSB7Z7SHUTGNZ7LF · pith_short_8: CSB7Z7SH

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/CSB7Z7SHUTGNZ7LFDEPKRBLXU6 \
  | 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: 1483fcfe47a4ccdcfd65191ea88577a7b7b3be87e3bfe61520bd0401184c8891

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c9a81d2683f095d7300d8d8c929fb53b1bdbbd9a707143a51d70b010e59abac7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2013-03-05T12:18:23Z",
    "title_canon_sha256": "c698bd723d2f2618d42999366ce9ec198171a27afaa5fc1affa3b6e654183da4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.1008",
    "kind": "arxiv",
    "version": 1
  }
}