Pith Number

pith:43O42EWP

pith:2017:43O42EWPDZWR6ZBFJJKTWNWATO

not attested not anchored not stored refs pending

Towards Methods for Model-Based Software Development

Luiz Fernando Batista Loja, Valdemar Vicente Graciano Neto

arxiv:1712.02448 v2 · 2017-12-06 · 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{43O42EWPDZWR6ZBFJJKTWNWATO}

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	2026-05-18T00:28:21.977818Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e6ddcd12cf1e6d1f64254a553b36c09ba9ca0635d8390b950d330b35345cbb7c

Aliases

arxiv: 1712.02448 · arxiv_version: 1712.02448v2 · doi: 10.48550/arxiv.1712.02448 · pith_short_12: 43O42EWPDZWR · pith_short_16: 43O42EWPDZWR6ZBF · pith_short_8: 43O42EWP

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/43O42EWPDZWR6ZBFJJKTWNWATO \
  | 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: e6ddcd12cf1e6d1f64254a553b36c09ba9ca0635d8390b950d330b35345cbb7c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a127d39d0c39c47b6687d32a8091ed2a1b13bea63902abc1d120d1c352855e19",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2017-12-06T23:52:10Z",
    "title_canon_sha256": "7726a1649141f0e8b43c168ff7c8c9e6e75b2862df3b10feb485512e54bf29c9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.02448",
    "kind": "arxiv",
    "version": 2
  }
}