Pith Number

pith:KOG2RAZB

pith:2022:KOG2RAZBYH3ACIIWHRYWILLIVD

not attested not anchored not stored refs pending

Extreme ratio between spectral and Frobenius norms of nonnegative tensors

Shengyu Cao, Simai He, Zhening Li, Zhen Wang

arxiv:2206.07879 v1 · 2022-06-16 · math.NA · cs.NA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KOG2RAZBYH3ACIIWHRYWILLIVD}

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	2026-07-05T04:32:19.312887Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

538da88321c1f60121163c71642d68a8d45ddd65b4f4240e66aac017b301e916

Aliases

arxiv: 2206.07879 · arxiv_version: 2206.07879v1 · doi: 10.48550/arxiv.2206.07879 · pith_short_12: KOG2RAZBYH3A · pith_short_16: KOG2RAZBYH3ACIIW · pith_short_8: KOG2RAZB

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/KOG2RAZBYH3ACIIWHRYWILLIVD \
  | 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: 538da88321c1f60121163c71642d68a8d45ddd65b4f4240e66aac017b301e916

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8b26132bfd2b31beb5586fbbc6a380c112d43ade39e4af978792636702c774c2",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2022-06-16T02:12:33Z",
    "title_canon_sha256": "1f3744bddfb9678e8bad982ac6411ea7c03489d2d60637727c23e1e937725895"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2206.07879",
    "kind": "arxiv",
    "version": 1
  }
}