Pith Number

pith:UYER6ON5

pith:2018:UYER6ON5ICNJMOOHD7VFD2IXEY

not attested not anchored not stored refs pending

Optimal Data Reduction for Graph Coloring Using Low-Degree Polynomials

Astrid Pieterse, Bart M. P. Jansen

arxiv:1802.02050 v1 · 2018-02-06 · cs.CC · 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{UYER6ON5ICNJMOOHD7VFD2IXEY}

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	2026-05-18T00:24:11.050196Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a6091f39bd409a9639c71fea51e91726228ffab491606e10ee4bf4130a3c5250

Aliases

arxiv: 1802.02050 · arxiv_version: 1802.02050v1 · doi: 10.48550/arxiv.1802.02050 · pith_short_12: UYER6ON5ICNJ · pith_short_16: UYER6ON5ICNJMOOH · pith_short_8: UYER6ON5

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/UYER6ON5ICNJMOOHD7VFD2IXEY \
  | 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: a6091f39bd409a9639c71fea51e91726228ffab491606e10ee4bf4130a3c5250

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e4169a22db433f3142e81387b3633aaeda2eb3d4d9262d7f422972b3b81f5088",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2018-02-06T16:34:30Z",
    "title_canon_sha256": "c3f2740c1bca131f1b15cb23b7ba2cf09b56c3193b4b7e17ad7e976248d4c025"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.02050",
    "kind": "arxiv",
    "version": 1
  }
}