Pith Number

pith:ISG5SHZL

pith:2012:ISG5SHZLQ3OWIWYCPTXGCITEKW

not attested not anchored not stored refs pending

On the Parameterized Complexity and Kernelization of the Workflow Satisfiability Problem

Anders Yeo, Gregory Gutin, Jason Crampton

arxiv:1205.0852 v3 · 2012-05-04 · cs.CR · cs.CC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ISG5SHZLQ3OWIWYCPTXGCITEKW}

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	2026-05-18T03:36:56.626276Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

448dd91f2b86dd645b027cee61226455add2bb427e1559d3b807732974e66b70

Aliases

arxiv: 1205.0852 · arxiv_version: 1205.0852v3 · doi: 10.48550/arxiv.1205.0852 · pith_short_12: ISG5SHZLQ3OW · pith_short_16: ISG5SHZLQ3OWIWYC · pith_short_8: ISG5SHZL

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/ISG5SHZLQ3OWIWYCPTXGCITEKW \
  | 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: 448dd91f2b86dd645b027cee61226455add2bb427e1559d3b807732974e66b70

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f0057997db02acc10e9b93397c60ad9d951345f6da32a2938d2e8d3279b9147d",
    "cross_cats_sorted": [
      "cs.CC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2012-05-04T03:47:46Z",
    "title_canon_sha256": "d67921e0d4a680366f15f035c7ed9b0046c21c06c4e54fae4f8f06c977812851"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.0852",
    "kind": "arxiv",
    "version": 3
  }
}