Pith Number

pith:W3PLF7F5

pith:2013:W3PLF7F5QT2LZBANHQZFKQD64C

not attested not anchored not stored refs pending

Certifying Machine Code Safe from Hardware Aliasing: RISC is not necessarily risky

Jonathan P. Bowen, Peter T. Breuer

arxiv:1305.6431 v4 · 2013-05-28 · cs.LO · 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{W3PLF7F5QT2LZBANHQZFKQD64C}

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	2026-05-18T00:06:31.692998Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b6deb2fcbd84f4bc840d3c3255407ee090548cab8a4311bed25064582f04b8fa

Aliases

arxiv: 1305.6431 · arxiv_version: 1305.6431v4 · doi: 10.48550/arxiv.1305.6431 · pith_short_12: W3PLF7F5QT2L · pith_short_16: W3PLF7F5QT2LZBAN · pith_short_8: W3PLF7F5

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/W3PLF7F5QT2LZBANHQZFKQD64C \
  | 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: b6deb2fcbd84f4bc840d3c3255407ee090548cab8a4311bed25064582f04b8fa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3634c5b6fa01e2e30ab99027cd9deb6a5937c5a2f3205971637a8e37f57ec85c",
    "cross_cats_sorted": [
      "cs.SE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2013-05-28T09:43:03Z",
    "title_canon_sha256": "7b9c8ad296ee3f1427f5262a0c312856de623ae89501c0fc3ae40091912f2ac9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.6431",
    "kind": "arxiv",
    "version": 4
  }
}