Pith Number

pith:NT63HHW3

pith:2014:NT63HHW3OXNV6V2AN3JZFQDTKU

not attested not anchored not stored refs pending

Semisimple Hopf actions on Weyl algebras

Chelsea Walton, Juan Cuadra, Pavel Etingof

arxiv:1409.1644 v2 · 2014-09-05 · math.RA · 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{NT63HHW3OXNV6V2AN3JZFQDTKU}

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	2026-05-18T01:40:59.854814Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6cfdb39edb75db5f57406ed392c073552287c5116a13f9ef3a4b35defcc56436

Aliases

arxiv: 1409.1644 · arxiv_version: 1409.1644v2 · doi: 10.48550/arxiv.1409.1644 · pith_short_12: NT63HHW3OXNV · pith_short_16: NT63HHW3OXNV6V2A · pith_short_8: NT63HHW3

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/NT63HHW3OXNV6V2AN3JZFQDTKU \
  | 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: 6cfdb39edb75db5f57406ed392c073552287c5116a13f9ef3a4b35defcc56436

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0fc19900071fa68c61501a6396cddefbb92a6adcf9def8858c173185e8000d18",
    "cross_cats_sorted": [
      "math.QA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2014-09-05T02:15:37Z",
    "title_canon_sha256": "7fd022c866ba536fa2386f414168e7fc39ec40a1a8458fd6eadea865d0610830"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.1644",
    "kind": "arxiv",
    "version": 2
  }
}