Pith Number

pith:H6B2WAKU

pith:2009:H6B2WAKUC6UE44BZ33E2NYNZPI

not attested not anchored not stored refs pending

Operator algebras: an informal overview

Fernando Lled\'o

arxiv:0901.0232 v1 · 2009-01-02 · math.OA · math-ph · math.FA · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{H6B2WAKUC6UE44BZ33E2NYNZPI}

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	2026-05-18T03:28:19.973277Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3f83ab015417a84e7039dec9a6e1b97a0867533fb2dbde7066946ebf767aace6

Aliases

arxiv: 0901.0232 · arxiv_version: 0901.0232v1 · doi: 10.48550/arxiv.0901.0232 · pith_short_12: H6B2WAKUC6UE · pith_short_16: H6B2WAKUC6UE44BZ · pith_short_8: H6B2WAKU

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/H6B2WAKUC6UE44BZ33E2NYNZPI \
  | 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: 3f83ab015417a84e7039dec9a6e1b97a0867533fb2dbde7066946ebf767aace6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "09141ba9449d0085c10479cb25f39f7d41e03d8a0e28a485e20fe5c090972b17",
    "cross_cats_sorted": [
      "math-ph",
      "math.FA",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OA",
    "submitted_at": "2009-01-02T11:05:47Z",
    "title_canon_sha256": "3dea662de484949bd6a26604b50bdaad47dc49bf19befdb78364abdcc173a286"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0901.0232",
    "kind": "arxiv",
    "version": 1
  }
}