Pith Number

pith:S5WLJG5J

pith:2013:S5WLJG5J5CRMP65P7KKFH5ZODF

not attested not anchored not stored refs pending

Some results on singular value inequalities of normal operators

Ali Taghavi, Vahid Darvish

arxiv:1308.4103 v9 · 2013-08-19 · 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{S5WLJG5J5CRMP65P7KKFH5ZODF}

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	2026-05-18T01:25:16.416199Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

976cb49ba9e8a2c7fbaffa9453f72e196d97c5677be0f1d4b043add9faafa40a

Aliases

arxiv: 1308.4103 · arxiv_version: 1308.4103v9 · doi: 10.48550/arxiv.1308.4103 · pith_short_12: S5WLJG5J5CRM · pith_short_16: S5WLJG5J5CRMP65P · pith_short_8: S5WLJG5J

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/S5WLJG5J5CRMP65P7KKFH5ZODF \
  | 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: 976cb49ba9e8a2c7fbaffa9453f72e196d97c5677be0f1d4b043add9faafa40a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "28b9b55de961947455530f5c041f27631345eed64623e4a8ec15800ce4348f66",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2013-08-19T19:23:08Z",
    "title_canon_sha256": "1d23d1685f6dd690dc8cc8e8cc3c667ffdab4e089bfce338b854af10b6e2bfc1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.4103",
    "kind": "arxiv",
    "version": 9
  }
}