Pith Number

pith:2OAWJU3R

pith:2018:2OAWJU3RB7HBVOLJ3IDFLIRJND

not attested not anchored not stored refs pending

Numerical radius parallelism of Hilbert space operators

Ali Zamani, Maryam Amyari, Marzieh Mehrazin

arxiv:1810.10445 v1 · 2018-10-24 · 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{2OAWJU3RB7HBVOLJ3IDFLIRJND}

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	2026-05-18T00:02:23.084231Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d38164d3710fce1ab969da0655a22968c25f29abdcba91414c4d7604c685f554

Aliases

arxiv: 1810.10445 · arxiv_version: 1810.10445v1 · doi: 10.48550/arxiv.1810.10445 · pith_short_12: 2OAWJU3RB7HB · pith_short_16: 2OAWJU3RB7HBVOLJ · pith_short_8: 2OAWJU3R

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/2OAWJU3RB7HBVOLJ3IDFLIRJND \
  | 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: d38164d3710fce1ab969da0655a22968c25f29abdcba91414c4d7604c685f554

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a5a9d2e4da1571900630b7a664826839237901c5fae7a247979fbcdbc0d3b9cd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2018-10-24T15:17:32Z",
    "title_canon_sha256": "63a24fd55879589c00cb45c8338fa6735c8e2e1bae34ff10db31b8b64f89b1ce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.10445",
    "kind": "arxiv",
    "version": 1
  }
}