Pith Number

pith:74X4ZIFC

pith:2018:74X4ZIFCNNOAY773ZWVBE2BCUF

not attested not anchored not stored refs pending

A new type of Numerical radius of operators on Hilbert $C^*$-module

Maryam Amyari, Marzieh Mehrazin, Mohsen Erfanian Omidvar

arxiv:1811.00545 v1 · 2018-11-01 · math.OA · 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{74X4ZIFCNNOAY773ZWVBE2BCUF}

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	2026-05-18T00:01:42.843142Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ff2fcca0a26b5c0c7ffbcdaa126822a16502d1ab36e21a88277c12efbcb3a567

Aliases

arxiv: 1811.00545 · arxiv_version: 1811.00545v1 · doi: 10.48550/arxiv.1811.00545 · pith_short_12: 74X4ZIFCNNOA · pith_short_16: 74X4ZIFCNNOAY773 · pith_short_8: 74X4ZIFC

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/74X4ZIFCNNOAY773ZWVBE2BCUF \
  | 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: ff2fcca0a26b5c0c7ffbcdaa126822a16502d1ab36e21a88277c12efbcb3a567

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4d2c0b4376f0860db260cde9c20b90d8a024b7acd89126b6f4826da89cf21e8b",
    "cross_cats_sorted": [
      "math.FA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OA",
    "submitted_at": "2018-11-01T14:17:51Z",
    "title_canon_sha256": "7f253ed11b7068c1ee2a696ab5dc57f113bfe07b82e5889a919a1b782347f503"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.00545",
    "kind": "arxiv",
    "version": 1
  }
}