Pith Number

pith:UVLWMUVM

pith:2011:UVLWMUVMW7BNQWH2G5FSWG2S5A

not attested not anchored not stored refs pending

Code Attestation with Compressed Instruction Code

Benjamin Vetter, Dirk Westhoff

arxiv:1102.5322 v1 · 2011-02-25 · cs.CR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UVLWMUVMW7BNQWH2G5FSWG2S5A}

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	2026-05-18T04:27:55.743702Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a5576652acb7c2d858fa374b2b1b52e8186907479e4a3ff77bda9097ba15df6d

Aliases

arxiv: 1102.5322 · arxiv_version: 1102.5322v1 · doi: 10.48550/arxiv.1102.5322 · pith_short_12: UVLWMUVMW7BN · pith_short_16: UVLWMUVMW7BNQWH2 · pith_short_8: UVLWMUVM

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/UVLWMUVMW7BNQWH2G5FSWG2S5A \
  | 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: a5576652acb7c2d858fa374b2b1b52e8186907479e4a3ff77bda9097ba15df6d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c6c98805a9767490a3b56feaaf7fbcaa11e06434bd74d1e7845b5a28933fdf0a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2011-02-25T20:07:22Z",
    "title_canon_sha256": "5602a4153ad2a88c3649285bbde5ae91dc0d8604e506c0542dda688d8565552c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.5322",
    "kind": "arxiv",
    "version": 1
  }
}