Pith Number

pith:5WWTOCVV

pith:2018:5WWTOCVV5TYNKVIQDLUC37XA3E

not attested not anchored not stored refs pending

A Formal Model of the Safety-Critical Java Level 2 Paradigm

Ana Cavalcanti, Andy Wellings, Matt Luckcuck

arxiv:1805.10711 v1 · 2018-05-27 · 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{5WWTOCVV5TYNKVIQDLUC37XA3E}

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	2026-05-18T00:14:51.610821Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

edad370ab5ecf0d555101ae82dfee0d90d01dec91ba364155c3744beebb48e97

Aliases

arxiv: 1805.10711 · arxiv_version: 1805.10711v1 · doi: 10.48550/arxiv.1805.10711 · pith_short_12: 5WWTOCVV5TYN · pith_short_16: 5WWTOCVV5TYNKVIQ · pith_short_8: 5WWTOCVV

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/5WWTOCVV5TYNKVIQDLUC37XA3E \
  | 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: edad370ab5ecf0d555101ae82dfee0d90d01dec91ba364155c3744beebb48e97

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f501b0be4984c70b9a187f7d03d4824aa44d30cdafa5bfcda38b3a97d100ff3c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2018-05-27T23:23:17Z",
    "title_canon_sha256": "913ba4547427c3e23bce0666f37962c05d59d9af75f8691b7b2447ae8b79319a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.10711",
    "kind": "arxiv",
    "version": 1
  }
}