Pith Number

pith:3M7ONVCI

pith:2002:3M7ONVCIDGIVRF5O5YUJSRSIWT

not attested not anchored not stored refs pending

Classification of Finite Alexander Quandles

Sam Nelson

arxiv:math/0202281 v2 · 2002-02-26 · math.GT · math.AT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3M7ONVCIDGIVRF5O5YUJSRSIWT}

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	2026-07-04T14:48:05.345165Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

db3ee6d44819915897aeee28994648b4d026fc9af62eafa6ab3da9dda9ce238f

Aliases

arxiv: math/0202281 · arxiv_version: math/0202281v2 · doi: 10.48550/arxiv.math/0202281 · pith_short_12: 3M7ONVCIDGIV · pith_short_16: 3M7ONVCIDGIVRF5O · pith_short_8: 3M7ONVCI

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/3M7ONVCIDGIVRF5O5YUJSRSIWT \
  | 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: db3ee6d44819915897aeee28994648b4d026fc9af62eafa6ab3da9dda9ce238f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bed4f1744dcb9f586640ca3fe9cad54423b823a11d5d61948912731ebe040900",
    "cross_cats_sorted": [
      "math.AT"
    ],
    "license": "",
    "primary_cat": "math.GT",
    "submitted_at": "2002-02-26T20:04:27Z",
    "title_canon_sha256": "6a2e1bacee3c1b61ee5420ecc4779b1b0db04ea6d84bb203cf504666d17e2781"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0202281",
    "kind": "arxiv",
    "version": 2
  }
}