Pith Number

pith:SKPFELQ6

pith:2005:SKPFELQ6DGA5GPTZZSIC435SEO

not attested not anchored not stored refs pending

Parametric Verification of a Group Membership Algorithm

Agathe Merceron, Ahmed Bouajjani

arxiv:cs/0505033 v1 · 2005-05-12 · 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{SKPFELQ6DGA5GPTZZSIC435SEO}

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	2026-05-18T01:06:49.109608Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

929e522e1e1981d33e79cc902e6fb223a7d5fd9f2a75619edcaa44c5422ba7a1

Aliases

arxiv: cs/0505033 · arxiv_version: cs/0505033v1 · doi: 10.48550/arxiv.cs/0505033 · pith_short_12: SKPFELQ6DGA5 · pith_short_16: SKPFELQ6DGA5GPTZ · pith_short_8: SKPFELQ6

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/SKPFELQ6DGA5GPTZZSIC435SEO \
  | 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: 929e522e1e1981d33e79cc902e6fb223a7d5fd9f2a75619edcaa44c5422ba7a1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "56f11db9d41441c51147c5614a7d7677b1ef82709521b8e756aaa86c765472bb",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "cs.LO",
    "submitted_at": "2005-05-12T07:52:36Z",
    "title_canon_sha256": "e6c5769fe01db65d43b58a27da07cc03ec61f743b0074cdf3e876b447bdae5af"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cs/0505033",
    "kind": "arxiv",
    "version": 1
  }
}