Pith Number

pith:BPNGBGZW

pith:2015:BPNGBGZW3MGEJOKGI5K7SOG75F

not attested not anchored not stored refs pending

Rainbow matchings in bipartite multigraphs

Andr\'as Gy\'arf\'as, G\'abor N. S\'ark\"ozy, J\'anos Bar\'at

arxiv:1505.01779 v3 · 2015-05-07 · 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{BPNGBGZW3MGEJOKGI5K7SOG75F}

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	2026-05-18T01:20:19.114642Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0bda609b36db0c44b9464755f938dfe960917af2cd49776eaba5300469f26cef

Aliases

arxiv: 1505.01779 · arxiv_version: 1505.01779v3 · doi: 10.48550/arxiv.1505.01779 · pith_short_12: BPNGBGZW3MGE · pith_short_16: BPNGBGZW3MGEJOKG · pith_short_8: BPNGBGZW

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/BPNGBGZW3MGEJOKGI5K7SOG75F \
  | 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: 0bda609b36db0c44b9464755f938dfe960917af2cd49776eaba5300469f26cef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "74feca44fa99550a8f748aa5a288d4d0e8682707890f59d397a7892376ab7735",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2015-05-07T17:09:15Z",
    "title_canon_sha256": "c2dae8fb5c4417b60a7b012d6767c9d20fea110bfc18ba6cda31f94ca99827fa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.01779",
    "kind": "arxiv",
    "version": 3
  }
}