Pith Number

pith:C2DQIKIY

pith:2015:C2DQIKIY5UZXS5WHAHUGABS7RW

not attested not anchored not stored refs pending

Weak* tensor products for von Neumann algebras

Matthew Wiersma

arxiv:1506.01671 v1 · 2015-06-04 · 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{C2DQIKIY5UZXS5WHAHUGABS7RW}

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	2026-05-18T01:57:18.285787Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1687042918ed337976c701e860065f8d95246a41f658fb63ce18b379e7c3a27c

Aliases

arxiv: 1506.01671 · arxiv_version: 1506.01671v1 · doi: 10.48550/arxiv.1506.01671 · pith_short_12: C2DQIKIY5UZX · pith_short_16: C2DQIKIY5UZXS5WH · pith_short_8: C2DQIKIY

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/C2DQIKIY5UZXS5WHAHUGABS7RW \
  | 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: 1687042918ed337976c701e860065f8d95246a41f658fb63ce18b379e7c3a27c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bcb4e79dbb37e546ab120c0957e093f42d3317673df99999893ff4f1cb19a90a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OA",
    "submitted_at": "2015-06-04T18:16:39Z",
    "title_canon_sha256": "b4ca56b547c48a440390b2bc9bb3cce1d744a2b721a402cfb55d867aee2f8b4c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.01671",
    "kind": "arxiv",
    "version": 1
  }
}