Pith Number

pith:WWFIZOJO

pith:2014:WWFIZOJO4QMHRFLUEQW4WLFVYD

not attested not anchored not stored refs pending

Von Neumann Algebras and Extensions of Inverse Semigroups

Adam H. Fuller, Allan P. Donsig, David R. Pitts

arxiv:1409.1624 v2 · 2014-09-04 · 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{WWFIZOJO4QMHRFLUEQW4WLFVYD}

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	2026-05-18T02:32:45.844190Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b58a8cb92ee418789574242dcb2cb5c0d5d2a1f4a5c68dda669117b223ab523f

Aliases

arxiv: 1409.1624 · arxiv_version: 1409.1624v2 · doi: 10.48550/arxiv.1409.1624 · pith_short_12: WWFIZOJO4QMH · pith_short_16: WWFIZOJO4QMHRFLU · pith_short_8: WWFIZOJO

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/WWFIZOJO4QMHRFLUEQW4WLFVYD \
  | 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: b58a8cb92ee418789574242dcb2cb5c0d5d2a1f4a5c68dda669117b223ab523f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "18eaecf6b724c6883b0ffb2cda28f107d8f85def3f5b2dd792499ce8f272d8f6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OA",
    "submitted_at": "2014-09-04T22:08:08Z",
    "title_canon_sha256": "f11327c9f954a2f7192ede624fd994d0addf59fd78ba3e11c54d684151f127dc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.1624",
    "kind": "arxiv",
    "version": 2
  }
}