Pith Number

pith:MMSOG2ZA

pith:2018:MMSOG2ZAAJHY677RQDDJZ3XZ6F

not attested not anchored not stored refs pending

A Dynamically Turbo-Charged Greedy Heuristic for Graph Coloring

Bachir M. Chahine, Faisal N. Abu-Khzam

arxiv:1812.11254 v2 · 2018-12-29 · cs.DS · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MMSOG2ZAAJHY677RQDDJZ3XZ6F}

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	2026-05-17T23:52:51.145685Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6324e36b20024f8f7ff180c69ceef9f165bc086263ac958ed125d3ab51cd04c4

Aliases

arxiv: 1812.11254 · arxiv_version: 1812.11254v2 · doi: 10.48550/arxiv.1812.11254 · pith_short_12: MMSOG2ZAAJHY · pith_short_16: MMSOG2ZAAJHY677R · pith_short_8: MMSOG2ZA

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/MMSOG2ZAAJHY677RQDDJZ3XZ6F \
  | 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: 6324e36b20024f8f7ff180c69ceef9f165bc086263ac958ed125d3ab51cd04c4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dba87e786d4aa3844d598652b84e4268955847349828a6252e024390d6856289",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2018-12-29T00:47:50Z",
    "title_canon_sha256": "1bee487966c06f50c618fdb5c80539754ac1f810cc7b3c471ef1c9027332498c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.11254",
    "kind": "arxiv",
    "version": 2
  }
}