Pith Number

pith:R6VW7S6W

pith:2016:R6VW7S6WQ24T4AK4BL3M4I4AQB

not attested not anchored not stored refs pending

Uniquely restricted matchings and edge colorings

Dieter Rautenbach, Ignasi Sau, Julien Baste

arxiv:1611.06815 v1 · 2016-11-21 · math.CO · cs.DM · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{R6VW7S6WQ24T4AK4BL3M4I4AQB}

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	2026-05-18T00:57:32.796786Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8fab6fcbd686b93e015c0af6ce23808065852d8de46b6dd1d8b2b9f4abe4933b

Aliases

arxiv: 1611.06815 · arxiv_version: 1611.06815v1 · doi: 10.48550/arxiv.1611.06815 · pith_short_12: R6VW7S6WQ24T · pith_short_16: R6VW7S6WQ24T4AK4 · pith_short_8: R6VW7S6W

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/R6VW7S6WQ24T4AK4BL3M4I4AQB \
  | 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: 8fab6fcbd686b93e015c0af6ce23808065852d8de46b6dd1d8b2b9f4abe4933b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "048e3e86a9726f7abb96ad370bd58d7f64dfad5d425a7ee7fd343091d509cc61",
    "cross_cats_sorted": [
      "cs.DM",
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2016-11-21T14:50:57Z",
    "title_canon_sha256": "ed310e26423539108689f207af4a8f70cc288be82b343147b221beb498f24281"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.06815",
    "kind": "arxiv",
    "version": 1
  }
}