Pith Number

pith:BPRDMFXN

pith:2014:BPRDMFXNB4OIOYCBW4EGJVGDHU

not attested not anchored not stored refs pending

Acyclic Edge Coloring through the Lov\'asz Local Lemma

Dimitrios M. Thilikos, Ioannis Giotis, Kostas I. Psaromiligkos, Lefteris Kirousis

arxiv:1407.5374 v9 · 2014-07-21 · cs.DM · cs.DS · math.CO · math.PR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BPRDMFXNB4OIOYCBW4EGJVGDHU}

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	2026-05-18T00:26:40.352769Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0be23616ed0f1c876041b70864d4c33d1d35208222c1bb81dd11b6c7139e9c62

Aliases

arxiv: 1407.5374 · arxiv_version: 1407.5374v9 · doi: 10.48550/arxiv.1407.5374 · pith_short_12: BPRDMFXNB4OI · pith_short_16: BPRDMFXNB4OIOYCB · pith_short_8: BPRDMFXN

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/BPRDMFXNB4OIOYCBW4EGJVGDHU \
  | 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: 0be23616ed0f1c876041b70864d4c33d1d35208222c1bb81dd11b6c7139e9c62

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9e78307155db2dc8b418655dc406ac9fa073a430d4a7732b738008f246a5ed0e",
    "cross_cats_sorted": [
      "cs.DS",
      "math.CO",
      "math.PR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2014-07-21T05:01:25Z",
    "title_canon_sha256": "9cae3b7e0bad1b494038743728c96a0981e7cb2a6ef26d695f9862da0e78fd38"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.5374",
    "kind": "arxiv",
    "version": 9
  }
}