Pith Number

pith:NJAOIZOA

pith:2014:NJAOIZOAG2W7H37C77ATAPHOHA

not attested not anchored not stored refs pending

An infinite family of prime knots with a certain property for the clasp number

Kengo Kawamura, Teruhisa Kadokami

arxiv:1405.0143 v3 · 2014-05-01 · 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{NJAOIZOAG2W7H37C77ATAPHOHA}

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	2026-05-18T02:40:03.221087Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a40e465c036adf3efe2ffc1303cee381f4431bad0ee94f61373e8ea730bed0f

Aliases

arxiv: 1405.0143 · arxiv_version: 1405.0143v3 · doi: 10.48550/arxiv.1405.0143 · pith_short_12: NJAOIZOAG2W7 · pith_short_16: NJAOIZOAG2W7H37C · pith_short_8: NJAOIZOA

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/NJAOIZOAG2W7H37C77ATAPHOHA \
  | 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: 6a40e465c036adf3efe2ffc1303cee381f4431bad0ee94f61373e8ea730bed0f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d7d8df1c790cdf15e455f7bb670105075eb6b43d9a08d9fd8dbb5906c8c6f2f0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2014-05-01T12:25:10Z",
    "title_canon_sha256": "d515ceeeaacdf4a4cdc565e75055f68bb53662f8fa9e70aefd4803202293d099"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.0143",
    "kind": "arxiv",
    "version": 3
  }
}