Pith Number

pith:XJQHGOW6

pith:2014:XJQHGOW6SH6VCPDWIKDDPPOCHG

not attested not anchored not stored refs pending

Fast Recoloring of Sparse Graphs

Guillem Perarnau, Nicolas Bousquet

arxiv:1411.6997 v1 · 2014-11-25 · math.CO · 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{XJQHGOW6SH6VCPDWIKDDPPOCHG}

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	2026-05-18T02:32:46.795859Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ba60733ade91fd513c76428637bdc239b6c0761d00f2ecbeb19145e5c8c074f3

Aliases

arxiv: 1411.6997 · arxiv_version: 1411.6997v1 · doi: 10.48550/arxiv.1411.6997 · pith_short_12: XJQHGOW6SH6V · pith_short_16: XJQHGOW6SH6VCPDW · pith_short_8: XJQHGOW6

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/XJQHGOW6SH6VCPDWIKDDPPOCHG \
  | 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: ba60733ade91fd513c76428637bdc239b6c0761d00f2ecbeb19145e5c8c074f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fb3c2c9f83fbc49f0d3de35fdae026d90c9681b7ecc5e95b33a2b74a216880de",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2014-11-25T20:09:23Z",
    "title_canon_sha256": "d5be6cfeda632fd13cc7d71a93fbd272c2b02b1d0fbbae1d20cf40185084d3ac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.6997",
    "kind": "arxiv",
    "version": 1
  }
}