Pith Number

pith:3JFBQPWD

pith:2017:3JFBQPWDCMGTO2IUZ2VZAFJEKA

not attested not anchored not stored refs pending

On diregular digraphs with degree two and excess two

James Tuite

arxiv:1705.00075 v2 · 2017-04-28 · 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{3JFBQPWDCMGTO2IUZ2VZAFJEKA}

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	2026-05-18T00:33:59.156242Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

da4a183ec3130d376914ceab901524500bf0c7dd7a4b7ef3ae8f5b2a19c1ec81

Aliases

arxiv: 1705.00075 · arxiv_version: 1705.00075v2 · doi: 10.48550/arxiv.1705.00075 · pith_short_12: 3JFBQPWDCMGT · pith_short_16: 3JFBQPWDCMGTO2IU · pith_short_8: 3JFBQPWD

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/3JFBQPWDCMGTO2IUZ2VZAFJEKA \
  | 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: da4a183ec3130d376914ceab901524500bf0c7dd7a4b7ef3ae8f5b2a19c1ec81

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8f171ddabd64cff753ea5b6301184170b4a87091aa72cb7f31bcc0bbfe6b1458",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2017-04-28T21:05:11Z",
    "title_canon_sha256": "e3d416c9a43d983b5dc1003399eddb3ab6de3fc5bccef2451c2e51e3ad6bea5a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.00075",
    "kind": "arxiv",
    "version": 2
  }
}