Pith Number

pith:7PXHLKD4

pith:2011:7PXHLKD4OJVRE535YXZE7CRKBM

not attested not anchored not stored refs pending

Finding the Spectral Radius of a Nonnegative Tensor

Liqun Qi, Shenglong Hu, Zheng-Hai Huang

arxiv:1111.2138 v1 · 2011-11-09 · math.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{7PXHLKD4OJVRE535YXZE7CRKBM}

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	2026-05-18T02:25:11.559595Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fbee75a87c726b12777dc5f24f8a2a0b0d236089fe3532814ad87b49c1478891

Aliases

arxiv: 1111.2138 · arxiv_version: 1111.2138v1 · doi: 10.48550/arxiv.1111.2138 · pith_short_12: 7PXHLKD4OJVR · pith_short_16: 7PXHLKD4OJVRE535 · pith_short_8: 7PXHLKD4

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/7PXHLKD4OJVRE535YXZE7CRKBM \
  | 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: fbee75a87c726b12777dc5f24f8a2a0b0d236089fe3532814ad87b49c1478891

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "002f9ea488358eb11665d327195bfd740e5a791c6f7c275d7985956c74b26500",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2011-11-09T08:53:05Z",
    "title_canon_sha256": "0846c1afa56c3982021a3e0cb71b4438c09c0074758e698f2f88e5e166f7e905"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.2138",
    "kind": "arxiv",
    "version": 1
  }
}