Pith Number

pith:UQ5RNZN4

pith:2011:UQ5RNZN4KKCMKDAKZKF7AF2IS3

not attested not anchored not stored refs pending

Designing a CPU model: from a pseudo-formal document to fast code

Claude Helmstetter (LIAMA), Fr\'ed\'eric Blanqui (LIAMA), Jean-Fran\c{c}ois Monin (LIAMA, UJF), Vania Joloboff (LIAMA), Xiaomu Shi (LIAMA)

arxiv:1109.4351 v1 · 2011-09-20 · cs.SE · cs.AR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UQ5RNZN4KKCMKDAKZKF7AF2IS3}

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	2026-05-18T04:12:43.483077Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a43b16e5bc5284c50c0aca8bf0174896d4b5aca818460914ec0aa431b715d424

Aliases

arxiv: 1109.4351 · arxiv_version: 1109.4351v1 · doi: 10.48550/arxiv.1109.4351 · pith_short_12: UQ5RNZN4KKCM · pith_short_16: UQ5RNZN4KKCMKDAK · pith_short_8: UQ5RNZN4

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/UQ5RNZN4KKCMKDAKZKF7AF2IS3 \
  | 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: a43b16e5bc5284c50c0aca8bf0174896d4b5aca818460914ec0aa431b715d424

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0e3171753a2bee2662e5caf3e1c94f9e076192a34c40266213a131c9fa999315",
    "cross_cats_sorted": [
      "cs.AR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2011-09-20T16:55:50Z",
    "title_canon_sha256": "0f7cf1a04911561082e65ff7205bc9b925075b3ac155d724cd11c9028c144f28"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.4351",
    "kind": "arxiv",
    "version": 1
  }
}