Pith Number

pith:U2QOT54C

pith:2018:U2QOT54CLL6W35BVYMMQC6FYLU

not attested not anchored not stored refs pending

Von Neumann's inequality for commuting operator-valued multishifts

Rajeev Gupta, Shailesh Trivedi, Surjit Kumar

arxiv:1805.03547 v2 · 2018-05-09 · math.FA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{U2QOT54CLL6W35BVYMMQC6FYLU}

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	2026-05-18T00:01:29.710081Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a6a0e9f7825afd6df435c3190178b85d2add68921e0c3151fcd974e75c032a7d

Aliases

arxiv: 1805.03547 · arxiv_version: 1805.03547v2 · doi: 10.48550/arxiv.1805.03547 · pith_short_12: U2QOT54CLL6W · pith_short_16: U2QOT54CLL6W35BV · pith_short_8: U2QOT54C

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/U2QOT54CLL6W35BVYMMQC6FYLU \
  | 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: a6a0e9f7825afd6df435c3190178b85d2add68921e0c3151fcd974e75c032a7d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f7853d8890480d44e6b40bbbbff065d208aefb7dc6bc192a17c227a358ea1350",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2018-05-09T14:17:31Z",
    "title_canon_sha256": "16a9430781815ef919dcce6b9f7cd2ad88cd39c3fedc337b7c006773b7051171"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.03547",
    "kind": "arxiv",
    "version": 2
  }
}