Pith Number

pith:QMPTFUQ7

pith:2018:QMPTFUQ75JCMIYW5H536KXU62G

not attested not anchored not stored refs pending

Non-tracial free graph von Neumann algebras

Brent Nelson, Michael Hartglass

arxiv:1810.01922 v2 · 2018-10-03 · 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{QMPTFUQ75JCMIYW5H536KXU62G}

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	2026-05-18T00:00:34.721722Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

831f32d21fea44c462dd3f77e55e9ed1b58ca09217cde57ddd8acabb9f0d8c6f

Aliases

arxiv: 1810.01922 · arxiv_version: 1810.01922v2 · doi: 10.48550/arxiv.1810.01922 · pith_short_12: QMPTFUQ75JCM · pith_short_16: QMPTFUQ75JCMIYW5 · pith_short_8: QMPTFUQ7

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/QMPTFUQ75JCMIYW5H536KXU62G \
  | 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: 831f32d21fea44c462dd3f77e55e9ed1b58ca09217cde57ddd8acabb9f0d8c6f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9250c357a6ba8c51be5d86a2eb19a8a6671d77d68306f0ec973d025eea98aa1e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OA",
    "submitted_at": "2018-10-03T19:21:07Z",
    "title_canon_sha256": "50721b77843b1677625cbfaf7969f5f92e6bb691d04f269f43506dfbf61640be"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.01922",
    "kind": "arxiv",
    "version": 2
  }
}