Pith Number

pith:W5SRP5YX

pith:2018:W5SRP5YXUOFIN74RXBPCOPDYRG

not attested not anchored not stored refs pending

Perturbation Analysis of An Eigenvector-Dependent Nonlinear Eigenvalue Problem With Applications?

Yunfeng Cai, Zheng-Jian Bai, Zhigang Jia

arxiv:1803.01518 v1 · 2018-03-05 · 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{W5SRP5YXUOFIN74RXBPCOPDYRG}

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	2026-05-18T00:22:00.418911Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b76517f717a38a86ff91b85e273c7889a7280cafd7944d83625759a9c1a2feed

Aliases

arxiv: 1803.01518 · arxiv_version: 1803.01518v1 · doi: 10.48550/arxiv.1803.01518 · pith_short_12: W5SRP5YXUOFI · pith_short_16: W5SRP5YXUOFIN74R · pith_short_8: W5SRP5YX

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/W5SRP5YXUOFIN74RXBPCOPDYRG \
  | 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: b76517f717a38a86ff91b85e273c7889a7280cafd7944d83625759a9c1a2feed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "66994c2e9304bea2f49d591b9b722ab8aff7a1467284636333dc116b3730a8d3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-03-05T07:00:30Z",
    "title_canon_sha256": "c732f82c881aa475b91576502095efc7d82586eb60d8beb88adca7be6e90a408"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.01518",
    "kind": "arxiv",
    "version": 1
  }
}