Pith Number

pith:WHJSIMGI

pith:2016:WHJSIMGIYKO56MMONMV3T6355D

not attested not anchored not stored refs pending

Binary Constraint Satisfaction Problems Defined by Excluded Topological Minors

David A. Cohen, Martin C. Cooper, Peter G. Jeavons, Stanislav Zivny

arxiv:1608.05358 v2 · 2016-08-18 · 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{WHJSIMGIYKO56MMONMV3T6355D}

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	2026-05-17T23:42:09.108932Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b1d32430c8c29ddf318e6b2bb9fb7de8ca602e3f0f102983a94e42915922f289

Aliases

arxiv: 1608.05358 · arxiv_version: 1608.05358v2 · doi: 10.48550/arxiv.1608.05358 · pith_short_12: WHJSIMGIYKO5 · pith_short_16: WHJSIMGIYKO56MMO · pith_short_8: WHJSIMGI

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/WHJSIMGIYKO56MMONMV3T6355D \
  | 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: b1d32430c8c29ddf318e6b2bb9fb7de8ca602e3f0f102983a94e42915922f289

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a1777c14b08e35fc1e9a6e1c962c228cc0b91a0f6998a77cbf2fd8d900e08520",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2016-08-18T18:17:38Z",
    "title_canon_sha256": "e26dc10da6e97760b8c50a1cea0b866585efd21838da001238babb11122cb889"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.05358",
    "kind": "arxiv",
    "version": 2
  }
}