Pith Number

pith:MKVWW7WT

pith:2017:MKVWW7WTODH7P7IOEBZMCR2OMN

not attested not anchored not stored refs pending

Degenerate Matchings and Edge Colorings

Dieter Rautenbach, Julien Baste

arxiv:1702.02358 v1 · 2017-02-08 · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MKVWW7WTODH7P7IOEBZMCR2OMN}

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	2026-05-18T00:51:06.158478Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

62ab6b7ed370cff7fd0e2072c1474e635ec1ecd1a807f70c8058b8558ea76e44

Aliases

arxiv: 1702.02358 · arxiv_version: 1702.02358v1 · doi: 10.48550/arxiv.1702.02358 · pith_short_12: MKVWW7WTODH7 · pith_short_16: MKVWW7WTODH7P7IO · pith_short_8: MKVWW7WT

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/MKVWW7WTODH7P7IOEBZMCR2OMN \
  | 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: 62ab6b7ed370cff7fd0e2072c1474e635ec1ecd1a807f70c8058b8558ea76e44

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "188c21916e1f640f7f6e95a9f400c05d0b4cf378ad2427682bb08fbda5aef98e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2017-02-08T10:24:50Z",
    "title_canon_sha256": "819f1e79e5f3c2a356eca5ce0f0c9b6b380da262b8cd8c963a00431523f3e8b3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.02358",
    "kind": "arxiv",
    "version": 1
  }
}