Pith Number

pith:BSS73C5B

pith:2017:BSS73C5BRRTZWKBWGZF6MVVGFR

not attested not anchored not stored refs pending

Digraphs with degree two and excess two are diregular

James Tuite

arxiv:1703.08739 v3 · 2017-03-25 · 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{BSS73C5BRRTZWKBWGZF6MVVGFR}

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	2026-05-17T23:55:01.270241Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0ca5fd8ba18c679b2836364be656a62c7b7166a32e0b8b07803fea04b2f20c9d

Aliases

arxiv: 1703.08739 · arxiv_version: 1703.08739v3 · doi: 10.48550/arxiv.1703.08739 · pith_short_12: BSS73C5BRRTZ · pith_short_16: BSS73C5BRRTZWKBW · pith_short_8: BSS73C5B

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/BSS73C5BRRTZWKBWGZF6MVVGFR \
  | 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: 0ca5fd8ba18c679b2836364be656a62c7b7166a32e0b8b07803fea04b2f20c9d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9d5ed6fe627d35cdfcdf4b8eadf9ad90b39748c4c33e6d2765e65d73c0a30ce3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2017-03-25T20:52:52Z",
    "title_canon_sha256": "2598652aea1c3a4e299975a30f83c38753de9d60ddbfefc2f6d04d85805e352e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.08739",
    "kind": "arxiv",
    "version": 3
  }
}