Pith Number

pith:WZLMZ7OV

pith:2018:WZLMZ7OVGPL4SX3FQNN7FJSKDQ

not attested not anchored not stored refs pending

Shadow biquandles and local biquandles

Kanako Oshiro

arxiv:1812.00801 v1 · 2018-11-30 · 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{WZLMZ7OVGPL4SX3FQNN7FJSKDQ}

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	2026-05-17T23:59:18.969969Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b656ccfdd533d7c95f65835bf2a64a1c08fd1212ca50afd753f1d85ac4b31810

Aliases

arxiv: 1812.00801 · arxiv_version: 1812.00801v1 · doi: 10.48550/arxiv.1812.00801 · pith_short_12: WZLMZ7OVGPL4 · pith_short_16: WZLMZ7OVGPL4SX3F · pith_short_8: WZLMZ7OV

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/WZLMZ7OVGPL4SX3FQNN7FJSKDQ \
  | 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: b656ccfdd533d7c95f65835bf2a64a1c08fd1212ca50afd753f1d85ac4b31810

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dc702b39124cb2b0b90f593e314cb661d96a3821b1a88d37e9cf45ab64d49ce8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2018-11-30T07:52:12Z",
    "title_canon_sha256": "2a23cf032c46da4f1d6c0a9e3bbc3684017ef2743e0b673ae84c6c46ba9d5e82"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.00801",
    "kind": "arxiv",
    "version": 1
  }
}