Pith Number

pith:QG3CGWPT

pith:2018:QG3CGWPTX5TC2NCLIXSGCM6XTR

not attested not anchored not stored refs pending

Adding 32-bit Mode to the ACL2 Model of the x86 ISA

Alessandro Coglio (Kestrel Technology LLC, Austin, CA (USA)), Inc., Palo Alto, Shilpi Goel (Centaur Technology, TX (USA))

arxiv:1810.04313 v1 · 2018-10-10 · cs.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QG3CGWPTX5TC2NCLIXSGCM6XTR}

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	2026-05-18T00:03:40.443932Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

81b62359f3bf662d344b45e46133d79c69492f979168b7b5acdd9204a9751492

Aliases

arxiv: 1810.04313 · arxiv_version: 1810.04313v1 · doi: 10.48550/arxiv.1810.04313 · pith_short_12: QG3CGWPTX5TC · pith_short_16: QG3CGWPTX5TC2NCL · pith_short_8: QG3CGWPT

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/QG3CGWPTX5TC2NCLIXSGCM6XTR \
  | 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: 81b62359f3bf662d344b45e46133d79c69492f979168b7b5acdd9204a9751492

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0b1a5448568b5c6b081b43208ad21caf6dc48ecc0ad5341624a139a9c68ca134",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2018-10-10T00:36:20Z",
    "title_canon_sha256": "46dacf37b1980af0669a20c3f17260dd9a3fc5a18ca20232a7aeec3e4ce4b738"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.04313",
    "kind": "arxiv",
    "version": 1
  }
}