Pith Number

pith:HRC6PMS5

pith:2018:HRC6PMS56FAOHLCYPP6NLM7XPV

not attested not anchored not stored refs pending

On 1-factors with prescribed lengths in tournaments

Dong Yeap Kang, Jaehoon Kim

arxiv:1802.09049 v2 · 2018-02-25 · 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{HRC6PMS56FAOHLCYPP6NLM7XPV}

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	2026-05-17T23:43:51.404664Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3c45e7b25df140e3ac587bfcd5b3f77d695df3b268553bd1228c61ed6063875f

Aliases

arxiv: 1802.09049 · arxiv_version: 1802.09049v2 · doi: 10.48550/arxiv.1802.09049 · pith_short_12: HRC6PMS56FAO · pith_short_16: HRC6PMS56FAOHLCY · pith_short_8: HRC6PMS5

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/HRC6PMS56FAOHLCYPP6NLM7XPV \
  | 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: 3c45e7b25df140e3ac587bfcd5b3f77d695df3b268553bd1228c61ed6063875f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "612ca8fea4f8398552cead96467fc7fd64338681e41589b429dabcc66c623c94",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2018-02-25T17:51:14Z",
    "title_canon_sha256": "c65180ba696e0f193821faa560cad50a9d668ade3db696c16169691cd68cd018"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.09049",
    "kind": "arxiv",
    "version": 2
  }
}