Pith Number

pith:ZZM6NJSM

pith:2019:ZZM6NJSMYUP3DLZ2NPW7WQPI4C

not attested not anchored not stored refs pending

Variable elimination in binary CSPs

Achref El Mouelhi, Cyril Terrioux, Martin C. Cooper

arxiv:1905.04209 v1 · 2019-05-10 · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZZM6NJSMYUP3DLZ2NPW7WQPI4C}

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	2026-05-17T23:46:31.732484Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ce59e6a64cc51fb1af3a6bedfb41e8e09993f4e2da52e62323b03c1082fe6804

Aliases

arxiv: 1905.04209 · arxiv_version: 1905.04209v1 · doi: 10.48550/arxiv.1905.04209 · pith_short_12: ZZM6NJSMYUP3 · pith_short_16: ZZM6NJSMYUP3DLZ2 · pith_short_8: ZZM6NJSM

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/ZZM6NJSMYUP3DLZ2NPW7WQPI4C \
  | 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: ce59e6a64cc51fb1af3a6bedfb41e8e09993f4e2da52e62323b03c1082fe6804

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f693a526219f69a8c297803e8d2698f0a10fd91fa092454d6dbb568f48523604",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2019-05-10T15:12:42Z",
    "title_canon_sha256": "d2e2468d5fa81ddff94fd5e914ddde9701c947ad103c66d7f7a3593b01accc3e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.04209",
    "kind": "arxiv",
    "version": 1
  }
}