Pith Number

pith:A63YTXWQ

pith:2000:A63YTXWQZM434GIX5RQMO4YAFG

not attested not anchored not stored refs pending

A Finite Element Algorithm for High-Lying Eigenvalues and Eigenfunctions with Homogeneous Neumann and Dirichlet Boundary Conditions

F. Leyvraz, G. Baez, R.A. Mendez-Sanchez, T.H.Seligman

arxiv:nlin/0005057 v1 · 2000-05-26 · nlin.CD · cs.NA · 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{A63YTXWQZM434GIX5RQMO4YAFG}

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	2026-06-03T22:06:22.423227Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

07b789ded0cb39be1917ec60c7730029aa3f454a8fecc5ac428485447c8642c2

Aliases

arxiv: nlin/0005057 · arxiv_version: nlin/0005057v1 · doi: 10.48550/arxiv.nlin/0005057 · pith_short_12: A63YTXWQZM43 · pith_short_16: A63YTXWQZM434GIX · pith_short_8: A63YTXWQ

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/A63YTXWQZM434GIX5RQMO4YAFG \
  | 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: 07b789ded0cb39be1917ec60c7730029aa3f454a8fecc5ac428485447c8642c2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "734354ebc52626e8e44225162289c89532f172d30154f5183889e732372337b1",
    "cross_cats_sorted": [
      "cs.NA",
      "math.NA"
    ],
    "license": "",
    "primary_cat": "nlin.CD",
    "submitted_at": "2000-05-26T15:42:37Z",
    "title_canon_sha256": "51493517b21dbaee2b278a6e66e8e0c80e013ee2d2652b0eca09b3b363da61dd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "nlin/0005057",
    "kind": "arxiv",
    "version": 1
  }
}