Pith Number

pith:YRRGUBOK

pith:2011:YRRGUBOKYD7USXPMV3OQPPHYPR

not attested not anchored not stored refs pending

Helson and subdiagonal operator algebras

William Arveson

arxiv:1101.4221 v1 · 2011-01-21 · math.OA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YRRGUBOKYD7USXPMV3OQPPHYPR}

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	2026-05-18T04:31:12.527728Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c4626a05cac0ff495decaedd07bcf87c6503cfc3395a98406d0b3a6aa5ad23b0

Aliases

arxiv: 1101.4221 · arxiv_version: 1101.4221v1 · doi: 10.48550/arxiv.1101.4221 · pith_short_12: YRRGUBOKYD7U · pith_short_16: YRRGUBOKYD7USXPM · pith_short_8: YRRGUBOK

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/YRRGUBOKYD7USXPMV3OQPPHYPR \
  | 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: c4626a05cac0ff495decaedd07bcf87c6503cfc3395a98406d0b3a6aa5ad23b0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "31067fa7dabeae665d3a3ed955c57e3cc33d05a5e1550eeb726e685e2e13e973",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OA",
    "submitted_at": "2011-01-21T20:06:23Z",
    "title_canon_sha256": "be62690b6feddbcc4d906757213b80dab623c26bbefe0dbc6bdb6a6168e2ffc6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.4221",
    "kind": "arxiv",
    "version": 1
  }
}