Pith Number

pith:7ULCPNSP

pith:2018:7ULCPNSPNBJYYDGEXTVZQP76NH

not attested not anchored not stored refs pending

Perron-Frobenius Theory in Nearly Linear Time: Positive Eigenvectors, M-matrices, Graph Kernels, and Other Applications

Aaron Sidford, Amin Saberi, AmirMahdi Ahmadinejad, Arun Jambulapati

arxiv:1810.02348 v1 · 2018-10-04 · cs.DS · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7ULCPNSPNBJYYDGEXTVZQP76NH}

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	2026-05-18T00:04:05.575625Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd1627b64f68538c0cc4bceb983ffe69f157727ac3d1b52a621a3676025e7f32

Aliases

arxiv: 1810.02348 · arxiv_version: 1810.02348v1 · doi: 10.48550/arxiv.1810.02348 · pith_short_12: 7ULCPNSPNBJY · pith_short_16: 7ULCPNSPNBJYYDGE · pith_short_8: 7ULCPNSP

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/7ULCPNSPNBJYYDGEXTVZQP76NH \
  | 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: fd1627b64f68538c0cc4bceb983ffe69f157727ac3d1b52a621a3676025e7f32

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ce4439aeb352b19e52051328f9408c8285140210279fd2115fb91efec4c3812b",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2018-10-04T17:51:11Z",
    "title_canon_sha256": "ddc03db989114364f76967a2137b0b20e6299e04892decb65696903a3cc33333"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.02348",
    "kind": "arxiv",
    "version": 1
  }
}