Pith Number

pith:ZHFFTIOF

pith:2017:ZHFFTIOFLOKV6EUTAA2NNXPTJ6

not attested not anchored not stored refs pending

A dichotomy theorem for nonuniform CSPs

Andrei A. Bulatov

arxiv:1703.03021 v2 · 2017-03-08 · 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{ZHFFTIOFLOKV6EUTAA2NNXPTJ6}

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.

Cited by

2 papers in Pith

Toward a Uniform Algorithm and Uniform Reduction for Constraint Problems

SMB algebras II: On the Constraint Satisfaction Problem over Semilattices of Mal'cev Blocks

Receipt and verification

First computed	2026-05-18T00:46:55.109855Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c9ca59a1c55b955f12930034d6ddf34fbbd3deb93a08861fa0f2c590a58f0638

Aliases

arxiv: 1703.03021 · arxiv_version: 1703.03021v2 · doi: 10.48550/arxiv.1703.03021 · pith_short_12: ZHFFTIOFLOKV · pith_short_16: ZHFFTIOFLOKV6EUT · pith_short_8: ZHFFTIOF

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/ZHFFTIOFLOKV6EUTAA2NNXPTJ6 \
  | 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: c9ca59a1c55b955f12930034d6ddf34fbbd3deb93a08861fa0f2c590a58f0638

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ddf3e0fc0c88d736ead089338c53e39c99fc5533bf631d5e7c8b2bdfb03abdc9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2017-03-08T20:14:27Z",
    "title_canon_sha256": "eecd63f630287a11b7077cfae6f3f28a548161a36805638cd858d01e370d85aa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.03021",
    "kind": "arxiv",
    "version": 2
  }
}