Pith Number

pith:YN2I3LZS

pith:2012:YN2I3LZSHM3FYSIYKVZUPVN3H4

not attested not anchored not stored refs pending

Relatively compact sets in the reduced $C^{\ast}$-algebras of Coxeter groups

Gero Fendler

arxiv:1207.1557 v1 · 2012-07-06 · math.OA · math.FA · 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{YN2I3LZSHM3FYSIYKVZUPVN3H4}

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	2026-05-18T03:51:36.877344Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c3748daf323b365c4918557347d5bb3f199e309cd76632a2f70e3e00d2863bd4

Aliases

arxiv: 1207.1557 · arxiv_version: 1207.1557v1 · doi: 10.48550/arxiv.1207.1557 · pith_short_12: YN2I3LZSHM3F · pith_short_16: YN2I3LZSHM3FYSIY · pith_short_8: YN2I3LZS

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/YN2I3LZSHM3FYSIYKVZUPVN3H4 \
  | 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: c3748daf323b365c4918557347d5bb3f199e309cd76632a2f70e3e00d2863bd4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cae957348ea583eb895703af1282a0dfb7d88db14404f7f15b4a80abb652c4a1",
    "cross_cats_sorted": [
      "math.FA",
      "math.RT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OA",
    "submitted_at": "2012-07-06T08:55:34Z",
    "title_canon_sha256": "71c9ec435ad693436be9af65c0ed26e683e519fbec1c2bf1f2018f598e3e37c1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.1557",
    "kind": "arxiv",
    "version": 1
  }
}