Pith Number

pith:IQ7NYCVO

pith:1992:IQ7NYCVO5UB547O4A6LHNCDKNC

not attested not anchored not stored refs pending

Spectral Theory and Representations of Nilpotent Groups

Abderemane Mohamed, Jean Nourrigat, Pierre Levy-Bruhl

arxiv:math/9204235 v1 · 1992-04-01 · math.SP · 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{IQ7NYCVO5UB547O4A6LHNCDKNC}

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	2026-05-18T01:05:52.811828Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

443edc0aaeed03de7ddc079676886a68884da9bfedf2f2d38fea666a82d20d6a

Aliases

arxiv: math/9204235 · arxiv_version: math/9204235v1 · doi: 10.48550/arxiv.math/9204235 · pith_short_12: IQ7NYCVO5UB5 · pith_short_16: IQ7NYCVO5UB547O4 · pith_short_8: IQ7NYCVO

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/IQ7NYCVO5UB547O4A6LHNCDKNC \
  | 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: 443edc0aaeed03de7ddc079676886a68884da9bfedf2f2d38fea666a82d20d6a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5d743f93254c8fc8454a743f32bade7375796fc542995503cd71bb0e7453f15d",
    "cross_cats_sorted": [
      "math.RT"
    ],
    "license": "",
    "primary_cat": "math.SP",
    "submitted_at": "1992-04-01T00:00:00Z",
    "title_canon_sha256": "5cf070e62c4836d18885e910efe5a56d962cab10029b95ef78395919bbc34340"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/9204235",
    "kind": "arxiv",
    "version": 1
  }
}