Pith Number

pith:GI5UUCQK

pith:2017:GI5UUCQKM3O4FBN5CKVREFAF4C

not attested not anchored not stored refs pending

Rainbow matchings in properly-coloured multigraphs

Liana Yepremyan, Peter Keevash

arxiv:1710.03041 v1 · 2017-10-09 · 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{GI5UUCQKM3O4FBN5CKVREFAF4C}

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	2026-05-18T00:33:27.219844Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

323b4a0a0a66ddc285bd12ab121405e0bb81b87e473d447df9683b2f983858ce

Aliases

arxiv: 1710.03041 · arxiv_version: 1710.03041v1 · doi: 10.48550/arxiv.1710.03041 · pith_short_12: GI5UUCQKM3O4 · pith_short_16: GI5UUCQKM3O4FBN5 · pith_short_8: GI5UUCQK

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/GI5UUCQKM3O4FBN5CKVREFAF4C \
  | 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: 323b4a0a0a66ddc285bd12ab121405e0bb81b87e473d447df9683b2f983858ce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0c81e08af6a662479364e1731529e6152e81192a764b2f1450ffff796043bcca",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2017-10-09T11:43:15Z",
    "title_canon_sha256": "e0880d40bb7b777344f13c42daf52bdc451b5a8e84c64856266ae4baf5698ccb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.03041",
    "kind": "arxiv",
    "version": 1
  }
}