Pith Number

pith:63DHMNPD

pith:1995:63DHMNPDKJ3C4I54EPYEU4UXUQ

not attested not anchored not stored refs pending

On some nonlinear extensions of the angular momentum algebra

C. Quesne

arxiv:q-alg/9503009 v1 · 1995-03-17 · q-alg · 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{63DHMNPDKJ3C4I54EPYEU4UXUQ}

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	2026-05-18T01:05:07.680144Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f6c67635e352762e23bc23f04a7297a41e5ba0ef5187b05ed791ad3c2bff2477

Aliases

arxiv: q-alg/9503009 · arxiv_version: q-alg/9503009v1 · doi: 10.48550/arxiv.q-alg/9503009 · pith_short_12: 63DHMNPDKJ3C · pith_short_16: 63DHMNPDKJ3C4I54 · pith_short_8: 63DHMNPD

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/63DHMNPDKJ3C4I54EPYEU4UXUQ \
  | 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: f6c67635e352762e23bc23f04a7297a41e5ba0ef5187b05ed791ad3c2bff2477

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "734c550565262953770e173e64912d99e9b9f0003e45a008a2f69a75651a619f",
    "cross_cats_sorted": [
      "math.QA"
    ],
    "license": "",
    "primary_cat": "q-alg",
    "submitted_at": "1995-03-17T07:27:06Z",
    "title_canon_sha256": "a7a24d0780aad04e6ab839c6683bd3c227735d47544f458dced7110a3a4dbab7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "q-alg/9503009",
    "kind": "arxiv",
    "version": 1
  }
}