Pith Number

pith:ETVP4WNX

pith:2013:ETVP4WNXT2JZAZRHF5H2OYEVVU

not attested not anchored not stored refs pending

Amalgamating R^\omega-embeddable von Neumann algebras

Bradd Hart, Ilijas Farah, Isaac Goldbring

arxiv:1301.6816 v1 · 2013-01-29 · math.OA · math.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ETVP4WNXT2JZAZRHF5H2OYEVVU}

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	2026-05-18T03:35:12.217466Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

24eafe59b79e939066272f4fa76095ad3053ba0f6b3b636d3ee30ffcf74bc1ca

Aliases

arxiv: 1301.6816 · arxiv_version: 1301.6816v1 · doi: 10.48550/arxiv.1301.6816 · pith_short_12: ETVP4WNXT2JZ · pith_short_16: ETVP4WNXT2JZAZRH · pith_short_8: ETVP4WNX

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/ETVP4WNXT2JZAZRHF5H2OYEVVU \
  | 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: 24eafe59b79e939066272f4fa76095ad3053ba0f6b3b636d3ee30ffcf74bc1ca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "43bf9ec7c0152d9ff163d14d129a0b8cd6ff056f244c309f29518e752d0b1b89",
    "cross_cats_sorted": [
      "math.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OA",
    "submitted_at": "2013-01-29T01:56:26Z",
    "title_canon_sha256": "e410465a3e8af0ebe30c58dc8dc65ab23eabcdda4e90bf4b86c4fafd2cd774bc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.6816",
    "kind": "arxiv",
    "version": 1
  }
}