Pith Number

pith:PUNX2OKQ

pith:2012:PUNX2OKQZPH67ZESHK35RCTU4J

not attested not anchored not stored refs pending

How good are MatLab, Octave and Scilab for Computational Modelling?

Alejandro C. Frery, Antonio C. Medeiros, Eliana S. de Almeida

arxiv:1207.1916 v1 · 2012-07-08 · cs.MS · stat.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PUNX2OKQZPH67ZESHK35RCTU4J}

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	2026-05-18T03:51:26.630517Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7d1b7d3950cbcfefe4923ab7d88a74e2499cd4b11da0c99ab9dec06a552d9034

Aliases

arxiv: 1207.1916 · arxiv_version: 1207.1916v1 · doi: 10.48550/arxiv.1207.1916 · pith_short_12: PUNX2OKQZPH6 · pith_short_16: PUNX2OKQZPH67ZES · pith_short_8: PUNX2OKQ

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/PUNX2OKQZPH67ZESHK35RCTU4J \
  | 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: 7d1b7d3950cbcfefe4923ab7d88a74e2499cd4b11da0c99ab9dec06a552d9034

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "12c0657b9ac006c03959c5c29015da8e3b2739c13db89d52144337c3d23996bd",
    "cross_cats_sorted": [
      "stat.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.MS",
    "submitted_at": "2012-07-08T21:52:03Z",
    "title_canon_sha256": "90847ad923e61e00cd3a09609f3532878764aab2519e0aaf65513bb04209486e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.1916",
    "kind": "arxiv",
    "version": 1
  }
}