Pith Number

pith:JJ3C7BF6

pith:2017:JJ3C7BF6NLLUB7H2JL3MMGPKUH

not attested not anchored not stored refs pending

Cyclic pseudo-{L}oupekine snarks

D\'eborah Oliveros, Gordon I. Williams, Leah Wrenn Berman

arxiv:1707.05294 v2 · 2017-07-17 · 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{JJ3C7BF6NLLUB7H2JL3MMGPKUH}

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	2026-05-17T23:48:53.124381Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4a762f84be6ad740fcfa4af6c619eaa1c6e242c6076e7a749fa10848d268543a

Aliases

arxiv: 1707.05294 · arxiv_version: 1707.05294v2 · doi: 10.48550/arxiv.1707.05294 · pith_short_12: JJ3C7BF6NLLU · pith_short_16: JJ3C7BF6NLLUB7H2 · pith_short_8: JJ3C7BF6

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/JJ3C7BF6NLLUB7H2JL3MMGPKUH \
  | 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: 4a762f84be6ad740fcfa4af6c619eaa1c6e242c6076e7a749fa10848d268543a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "06583c59391d8404c1c712b5d6aaf574319ccab9dc0cd94dae71b7a953e95160",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2017-07-17T17:43:27Z",
    "title_canon_sha256": "48fee7d22420e94831a03aa87b868980a448e1f05942b9cc6b753138c6325297"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.05294",
    "kind": "arxiv",
    "version": 2
  }
}