Pith Number

pith:SR2JBNZJ

pith:2015:SR2JBNZJQG3FCZVVNM7NNPHSNY

not attested not anchored not stored refs pending

An inexact Noda iteration for computing the smallest eigenpair of a large irreducible monotone matrix

Ching-Sung Liu

arxiv:1504.02197 v2 · 2015-04-09 · 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{SR2JBNZJQG3FCZVVNM7NNPHSNY}

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	2026-05-18T02:03:54.652326Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

947490b72981b65166b56b3ed6bcf26e2281014a450e00dd6591713cc9db415b

Aliases

arxiv: 1504.02197 · arxiv_version: 1504.02197v2 · doi: 10.48550/arxiv.1504.02197 · pith_short_12: SR2JBNZJQG3F · pith_short_16: SR2JBNZJQG3FCZVV · pith_short_8: SR2JBNZJ

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/SR2JBNZJQG3FCZVVNM7NNPHSNY \
  | 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: 947490b72981b65166b56b3ed6bcf26e2281014a450e00dd6591713cc9db415b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a0c41f6ccc6bc1e74b2836e7fbf7d9f7e26b4bbfbe33d98dac39acdf75b5edf1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2015-04-09T06:20:04Z",
    "title_canon_sha256": "be62508a15f28209ec8a69f93e99970e2b85fc70b4a1285e399f24aca3ee609a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.02197",
    "kind": "arxiv",
    "version": 2
  }
}