Pith Number

pith:LZL3G27M

pith:2016:LZL3G27MOKOUMTE4SFNKMG67PZ

not attested not anchored not stored refs pending

Splitting numbers and signatures

Anthony Conway, David Cimasoni, Kleopatra Zacharova

arxiv:1601.07871 v4 · 2016-01-28 · math.GT

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LZL3G27MOKOUMTE4SFNKMG67PZ}

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	2026-05-18T01:01:15.894462Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5e57b36bec729d464c9c915aa61bdf7e681bb8f3df0d027649423d01e8c5e43b

Aliases

arxiv: 1601.07871 · arxiv_version: 1601.07871v4 · doi: 10.48550/arxiv.1601.07871 · pith_short_12: LZL3G27MOKOU · pith_short_16: LZL3G27MOKOUMTE4 · pith_short_8: LZL3G27M

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/LZL3G27MOKOUMTE4SFNKMG67PZ \
  | 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: 5e57b36bec729d464c9c915aa61bdf7e681bb8f3df0d027649423d01e8c5e43b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "33b5a52f7da4a3a1828f81a000d84f02db093cf79bfae3e690b253040e8172e7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2016-01-28T19:27:10Z",
    "title_canon_sha256": "d293d8b27427c0602ed7b091d4efb996e19b605f4381ee9bde1bda592096b349"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.07871",
    "kind": "arxiv",
    "version": 4
  }
}