Pith Number

pith:3NPRUIAI

pith:2019:3NPRUIAI4IZSB5T4ZVHT5FCI4R

not attested not anchored not stored refs pending

Duplicable von Neumann Algebras

Abraham A. Westerbaan, Kenta Cho

arxiv:1903.02963 v1 · 2019-03-06 · 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{3NPRUIAI4IZSB5T4ZVHT5FCI4R}

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	2026-05-17T23:51:50.603388Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

db5f1a2008e23320f67ccd4f3e9448e459919746f91d6b87620fd9a20d4761ad

Aliases

arxiv: 1903.02963 · arxiv_version: 1903.02963v1 · doi: 10.48550/arxiv.1903.02963 · pith_short_12: 3NPRUIAI4IZS · pith_short_16: 3NPRUIAI4IZSB5T4 · pith_short_8: 3NPRUIAI

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/3NPRUIAI4IZSB5T4ZVHT5FCI4R \
  | 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: db5f1a2008e23320f67ccd4f3e9448e459919746f91d6b87620fd9a20d4761ad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "db45563c30f097e882a143870562a4ff3e42c4907cdd9d4632eef7a850d4547a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OA",
    "submitted_at": "2019-03-06T14:16:26Z",
    "title_canon_sha256": "2f877a999b7d6fe9f2d2ed26d3144e952951c7d70415e7c777c42f6167216e58"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.02963",
    "kind": "arxiv",
    "version": 1
  }
}