Pith Number

pith:N2BGA27P

pith:2017:N2BGA27PLQZYES3IXJZ555UT2N

not attested not anchored not stored refs pending

Kernelization of Constraint Satisfaction Problems: A Study through Universal Algebra

Magnus Wahlstr\"om, Victor Lagerkvist

arxiv:1706.05941 v1 · 2017-06-19 · cs.CC

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Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

Receipt and verification

First computed	2026-05-18T00:42:08.455648Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6e82606bef5c33824b68ba73def693d3779de8d3a264e540b329abd1fa8eed83

Aliases

arxiv: 1706.05941 · arxiv_version: 1706.05941v1 · doi: 10.48550/arxiv.1706.05941 · pith_short_12: N2BGA27PLQZY · pith_short_16: N2BGA27PLQZYES3I · pith_short_8: N2BGA27P

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/N2BGA27PLQZYES3IXJZ555UT2N \
  | 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: 6e82606bef5c33824b68ba73def693d3779de8d3a264e540b329abd1fa8eed83

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b51886f03acd1c2054e023dc46edd6a59096a02ea062d2bf2b4821bb192f5f1c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2017-06-19T13:46:54Z",
    "title_canon_sha256": "75bed589030a314a96776977babd0ec61e8873ba902f74eed46672659b61a3b5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.05941",
    "kind": "arxiv",
    "version": 1
  }
}