Pith Number

pith:Y5VW3P3U

pith:2011:Y5VW3P3UWCZ6QNRWPF75DMLU7A

not attested not anchored not stored refs pending

Unitarily invariant norm inequalities for operators

A. Niknam, M. Erfanian Omidvar, M.S. Moslehian

arxiv:1101.3895 v1 · 2011-01-20 · 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{Y5VW3P3UWCZ6QNRWPF75DMLU7A}

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	2026-05-18T04:31:20.862895Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c76b6dbf74b0b3e83636797fd1b174f83c32faeda81c386fbe98848615ffda7e

Aliases

arxiv: 1101.3895 · arxiv_version: 1101.3895v1 · doi: 10.48550/arxiv.1101.3895 · pith_short_12: Y5VW3P3UWCZ6 · pith_short_16: Y5VW3P3UWCZ6QNRW · pith_short_8: Y5VW3P3U

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/Y5VW3P3UWCZ6QNRWPF75DMLU7A \
  | 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: c76b6dbf74b0b3e83636797fd1b174f83c32faeda81c386fbe98848615ffda7e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9a589b73486d444dce86b8d776f99b71a3eeff28c4b8c93ebc77ac309d56c237",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2011-01-20T13:16:01Z",
    "title_canon_sha256": "987e44eb152929a32ec52a4ef9ebfb9f2fefe63d4ba517a1aa9140a3868cc147"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.3895",
    "kind": "arxiv",
    "version": 1
  }
}