Pith Number

pith:RUZZ5ZCK

pith:2009:RUZZ5ZCKPUU22MI6ZILOOAORDU

not attested not anchored not stored refs pending

From Projective Representations to Quasi-Quantum Groups

Hua-Lin Huang

arxiv:0903.1472 v1 · 2009-03-09 · math.QA · math.RT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RUZZ5ZCKPUU22MI6ZILOOAORDU}

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	2026-05-18T03:37:29.234154Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8d339ee44a7d29ad311eca16e701d11d14f6c0ebfbcb5a29e67c1e6cfe79e3a1

Aliases

arxiv: 0903.1472 · arxiv_version: 0903.1472v1 · doi: 10.48550/arxiv.0903.1472 · pith_short_12: RUZZ5ZCKPUU2 · pith_short_16: RUZZ5ZCKPUU22MI6 · pith_short_8: RUZZ5ZCK

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/RUZZ5ZCKPUU22MI6ZILOOAORDU \
  | 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: 8d339ee44a7d29ad311eca16e701d11d14f6c0ebfbcb5a29e67c1e6cfe79e3a1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f15e799c90d05b1d7264eb8841270920d950982ea4633f84777b18c266baa0a1",
    "cross_cats_sorted": [
      "math.RT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.QA",
    "submitted_at": "2009-03-09T02:10:02Z",
    "title_canon_sha256": "a0560b7b6bdbf3a2625fa955f2cd9f59fb34adaf72cf9779b3f4f7e3499210be"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.1472",
    "kind": "arxiv",
    "version": 1
  }
}