Pith Number

pith:6UJW53LF

pith:2018:6UJW53LFB7R5A4FQP5QSJADW6P

not attested not anchored not stored refs pending

Some bounds on the uniquely restricted matching number

D. Rautenbach, M. F\"urst

arxiv:1803.11032 v2 · 2018-03-29 · 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{6UJW53LFB7R5A4FQP5QSJADW6P}

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	2026-05-18T00:17:23.652216Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f5136eed650fe3d070b07f61248076f3d44f552a67c4762b0c6828fc18fff542

Aliases

arxiv: 1803.11032 · arxiv_version: 1803.11032v2 · doi: 10.48550/arxiv.1803.11032 · pith_short_12: 6UJW53LFB7R5 · pith_short_16: 6UJW53LFB7R5A4FQ · pith_short_8: 6UJW53LF

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/6UJW53LFB7R5A4FQP5QSJADW6P \
  | 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: f5136eed650fe3d070b07f61248076f3d44f552a67c4762b0c6828fc18fff542

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a4a073718a857a989a9bf6e623f4fec5db4976469a4c9a219a8f42935f0ce590",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2018-03-29T12:36:28Z",
    "title_canon_sha256": "c8db12f0487b58774709cb97e674019daf8803f0626581d0e721af5f51d4d45a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.11032",
    "kind": "arxiv",
    "version": 2
  }
}