Pith Number

pith:EELTSYZ2

pith:2010:EELTSYZ2DUTJP4OQ6WSELBCNO5

not attested not anchored not stored refs pending

A von Neumann algebra approach to quantum metrics

Greg Kuperberg, Nik Weaver

arxiv:1005.0353 v2 · 2010-05-03 · math.OA · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EELTSYZ2DUTJP4OQ6WSELBCNO5}

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	2026-05-18T04:40:08.260032Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

211739633a1d2697f1d0f5a445844d776428a1543901579738ad1db05a1023d8

Aliases

arxiv: 1005.0353 · arxiv_version: 1005.0353v2 · doi: 10.48550/arxiv.1005.0353 · pith_short_12: EELTSYZ2DUTJ · pith_short_16: EELTSYZ2DUTJP4OQ · pith_short_8: EELTSYZ2

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/EELTSYZ2DUTJP4OQ6WSELBCNO5 \
  | 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: 211739633a1d2697f1d0f5a445844d776428a1543901579738ad1db05a1023d8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5dfbd149fec9ad0fffb71d2e99d5b472a3862388e3c9d228c37622ab8c0ab3ef",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OA",
    "submitted_at": "2010-05-03T17:25:04Z",
    "title_canon_sha256": "439d59c507a3dcbf0a9d60235e25f02dfe22a776018cae37c83bee7828a66343"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1005.0353",
    "kind": "arxiv",
    "version": 2
  }
}