Pith Number

pith:AFCNLWD4

pith:2016:AFCNLWD4LFY2F3MNRRI5VRSC6F

not attested not anchored not stored refs pending

The isomorphism problem for quantum affine spaces, homogenized quantized Weyl algebras, and quantum matrix algebras

Jason Gaddis

arxiv:1605.08711 v2 · 2016-05-27 · math.QA · math.RA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AFCNLWD4LFY2F3MNRRI5VRSC6F}

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	2026-05-18T00:15:59.529142Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0144d5d87c5971a2ed8d8c51dac642f145af746c684df2ffaa7d0a7648dc0035

Aliases

arxiv: 1605.08711 · arxiv_version: 1605.08711v2 · doi: 10.48550/arxiv.1605.08711 · pith_short_12: AFCNLWD4LFY2 · pith_short_16: AFCNLWD4LFY2F3MN · pith_short_8: AFCNLWD4

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/AFCNLWD4LFY2F3MNRRI5VRSC6F \
  | 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: 0144d5d87c5971a2ed8d8c51dac642f145af746c684df2ffaa7d0a7648dc0035

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "782d1dd82a6200cb8997dee2aa1659698f2036d177cb83bc8e6f630c23e6ca06",
    "cross_cats_sorted": [
      "math.RA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.QA",
    "submitted_at": "2016-05-27T16:43:57Z",
    "title_canon_sha256": "8465a43476d3353cbbda96ec5ea2be1352acb42d282e5e38362a0c40b470f9c5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.08711",
    "kind": "arxiv",
    "version": 2
  }
}