Pith Number

pith:LWR2M4AS

pith:2009:LWR2M4ASNC2RWC7J4HJE3UCFSN

not attested not anchored not stored refs pending

Noncommutative Figa-Talamanca-Herz algebras for Schur multipliers

C\'edric Arhancet

arxiv:0911.4304 v6 · 2009-11-23 · math.OA · math.FA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LWR2M4ASNC2RWC7J4HJE3UCFSN}

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	2026-05-18T04:12:32.516653Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5da3a6701268b51b0be9e1d24dd0459347784069d8ad96ff8b8ed5fa99c06b27

Aliases

arxiv: 0911.4304 · arxiv_version: 0911.4304v6 · doi: 10.48550/arxiv.0911.4304 · pith_short_12: LWR2M4ASNC2R · pith_short_16: LWR2M4ASNC2RWC7J · pith_short_8: LWR2M4AS

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/LWR2M4ASNC2RWC7J4HJE3UCFSN \
  | 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: 5da3a6701268b51b0be9e1d24dd0459347784069d8ad96ff8b8ed5fa99c06b27

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c7b7d5d3b46e33797e8e0c7e2e8e8ad824c40792e4e0d35369e647efe1942ec9",
    "cross_cats_sorted": [
      "math.FA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OA",
    "submitted_at": "2009-11-23T11:57:01Z",
    "title_canon_sha256": "43d681c95fa917d5072d88a3d44ec49f2b48770f5e7b42101857876755e8c41b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.4304",
    "kind": "arxiv",
    "version": 6
  }
}