Pith Number

pith:Q7KYBIOW

pith:2017:Q7KYBIOWF5PVZ3KPST6QRRFBII

not attested not anchored not stored refs pending

Upper bounds for numerical radius inequalities involving off-diagonal operator matrices

Khalid Shebrawi, Mojtaba Bakherad

arxiv:1706.04497 v1 · 2017-06-14 · 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{Q7KYBIOWF5PVZ3KPST6QRRFBII}

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	2026-05-18T00:00:45.950752Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

87d580a1d62f5f5ced4f94fd08c4a1420ca37043c0d4f2a587c34924c88bde34

Aliases

arxiv: 1706.04497 · arxiv_version: 1706.04497v1 · doi: 10.48550/arxiv.1706.04497 · pith_short_12: Q7KYBIOWF5PV · pith_short_16: Q7KYBIOWF5PVZ3KP · pith_short_8: Q7KYBIOW

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/Q7KYBIOWF5PVZ3KPST6QRRFBII \
  | 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: 87d580a1d62f5f5ced4f94fd08c4a1420ca37043c0d4f2a587c34924c88bde34

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e4b5e6b5dc3e3ac3b9cde79db414d7bf27ee57d15b10f9368e08855c5e55b163",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2017-06-14T13:58:07Z",
    "title_canon_sha256": "97ba888083c53aa258a764cfab1fd3bf5052f4cadf3b7838689712c6c7609ef8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.04497",
    "kind": "arxiv",
    "version": 1
  }
}