Pith Number

pith:BQXD3GCT

pith:2019:BQXD3GCTZKVC2DYXHHINCEWRN2

not attested not anchored not stored refs pending

Deterministic coloring algorithms in the LOCAL model

Dariusz R. Kowalski, Piotr Krysta

arxiv:1907.12857 v2 · 2019-07-30 · cs.DS · cs.DC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BQXD3GCTZKVC2DYXHHINCEWRN2}

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	2026-07-04T23:50:46.502165Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0c2e3d9853caaa2d0f1739d0d112d16eab609189c0c8e5ccfc5bd594604f6bd4

Aliases

arxiv: 1907.12857 · arxiv_version: 1907.12857v2 · doi: 10.48550/arxiv.1907.12857 · pith_short_12: BQXD3GCTZKVC · pith_short_16: BQXD3GCTZKVC2DYX · pith_short_8: BQXD3GCT

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/BQXD3GCTZKVC2DYXHHINCEWRN2 \
  | 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: 0c2e3d9853caaa2d0f1739d0d112d16eab609189c0c8e5ccfc5bd594604f6bd4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ea3abc8e4077efa3b1f3095551e12811f5052ca7a12aa0a70a5b4a9474354405",
    "cross_cats_sorted": [
      "cs.DC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2019-07-30T12:28:52Z",
    "title_canon_sha256": "41d6101760f5c00be70d6c104078f98f90b456c7f99b65bea07673dbd8046d53"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.12857",
    "kind": "arxiv",
    "version": 2
  }
}