Pith Number

pith:TEPNRALP

pith:2018:TEPNRALPJ5ROSTIDJEHDUV2YHZ

not attested not anchored not stored refs pending

On the equality of the induced matching number and the uniquely restricted matching number for subcubic graphs

D. Rautenbach, M. F\"urst

arxiv:1807.08981 v1 · 2018-07-24 · 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{TEPNRALPJ5ROSTIDJEHDUV2YHZ}

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	2026-05-18T00:09:57.167641Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

991ed8816f4f62e94d03490e3a57583e7753e7c396d123552ad75277e4a04932

Aliases

arxiv: 1807.08981 · arxiv_version: 1807.08981v1 · doi: 10.48550/arxiv.1807.08981 · pith_short_12: TEPNRALPJ5RO · pith_short_16: TEPNRALPJ5ROSTID · pith_short_8: TEPNRALP

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/TEPNRALPJ5ROSTIDJEHDUV2YHZ \
  | 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: 991ed8816f4f62e94d03490e3a57583e7753e7c396d123552ad75277e4a04932

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cb6e4c1893f47562dd1510e52e4584494db7eb405093f75ed190811be0a2d002",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2018-07-24T09:17:05Z",
    "title_canon_sha256": "e9f44f8e5f2334cc9fb64d929f9f21e3b523f192f9cea97b8692840ba0e204c7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.08981",
    "kind": "arxiv",
    "version": 1
  }
}