Pith Number

pith:CWFWK3KA

pith:2018:CWFWK3KAEF5YTQSMUQ3FHOLOEB

not attested not anchored not stored refs pending

Dual parameterization of Weighted Coloring

Ana Silva, Carlos Vin\'icius G. C. Lima, Ignasi Sau, J\'ulio Ara\'ujo, Victor A. Campos, Vin\'icius Fernandes dos Santos

arxiv:1805.06699 v1 · 2018-05-17 · cs.DS · 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{CWFWK3KAEF5YTQSMUQ3FHOLOEB}

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	2026-05-18T00:15:43.595465Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

158b656d40217b89c24ca43653b96e207bb52230db6c68ff16fc49b629cffad8

Aliases

arxiv: 1805.06699 · arxiv_version: 1805.06699v1 · doi: 10.48550/arxiv.1805.06699 · pith_short_12: CWFWK3KAEF5Y · pith_short_16: CWFWK3KAEF5YTQSM · pith_short_8: CWFWK3KA

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/CWFWK3KAEF5YTQSMUQ3FHOLOEB \
  | 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: 158b656d40217b89c24ca43653b96e207bb52230db6c68ff16fc49b629cffad8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a98b0f73df2b511c59da64f4ab92038317945e71fddc90450c8bc6744ac42a88",
    "cross_cats_sorted": [
      "cs.CC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2018-05-17T11:15:58Z",
    "title_canon_sha256": "1a622232c1bdf71f521c47a7d6cb902d76ddd359934cb02bcc1e69267a92cb2f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.06699",
    "kind": "arxiv",
    "version": 1
  }
}