Pith Number

pith:ZFLEX374

pith:2000:ZFLEX3746RUXRAO3CWFWGCNCVT

not attested not anchored not stored refs pending

A[Sl_q(2)] at roots of unity is a free module over A[Sl(2)]

Alessandro Zampa, Cesare Reina, Ludwik Dabrowski

arxiv:math/0004092 v5 · 2000-04-14 · math.QA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZFLEX3746RUXRAO3CWFWGCNCVT}

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	2026-05-18T03:57:37.598376Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c9564beffcf4697881db158b6309a2acffd9d87a35b9d54470834b6a3b4fca8e

Aliases

arxiv: math/0004092 · arxiv_version: math/0004092v5 · doi: 10.48550/arxiv.math/0004092 · pith_short_12: ZFLEX3746RUX · pith_short_16: ZFLEX3746RUXRAO3 · pith_short_8: ZFLEX374

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/ZFLEX3746RUXRAO3CWFWGCNCVT \
  | 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: c9564beffcf4697881db158b6309a2acffd9d87a35b9d54470834b6a3b4fca8e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8517f9ee03efa05d22aa2d548321b37cb79671da2c1e560859f9bfe8c990bf23",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.QA",
    "submitted_at": "2000-04-14T13:18:22Z",
    "title_canon_sha256": "74438c19acb3ab3bffca4ef0fac0be1d528fa576514c4fcf44d46bbb5f7b472f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0004092",
    "kind": "arxiv",
    "version": 5
  }
}