Pith Number

pith:TW3SPXZX

pith:2017:TW3SPXZXI7K76W53CV3CQDTUEJ

not attested not anchored not stored refs pending

Is your software on dope? Formal analysis of surreptitiously "enhanced" programs

Bernd Finkbeiner, Gilles Barthe, Holger Hermanns, Pedro R. D'Argenio, Sebastian Biewer

arxiv:1702.04693 v1 · 2017-02-15 · 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{TW3SPXZXI7K76W53CV3CQDTUEJ}

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	2026-05-18T00:50:40.908662Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9db727df3747d5ff5bbb1576280e74227134948eb3144bd6c3370dd1fe940779

Aliases

arxiv: 1702.04693 · arxiv_version: 1702.04693v1 · doi: 10.48550/arxiv.1702.04693 · pith_short_12: TW3SPXZXI7K7 · pith_short_16: TW3SPXZXI7K76W53 · pith_short_8: TW3SPXZX

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/TW3SPXZXI7K76W53CV3CQDTUEJ \
  | 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: 9db727df3747d5ff5bbb1576280e74227134948eb3144bd6c3370dd1fe940779

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7b91bf5f85d001eb562d67920dc002d70d9034a1eff895e310cba6a1bdef36c2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2017-02-15T17:46:31Z",
    "title_canon_sha256": "1d2cc47b1413103e8d1a308bcde8a36aa01f4f16b6294163d86ea4441b3b2258"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.04693",
    "kind": "arxiv",
    "version": 1
  }
}