Pith Number

pith:LB4DKWQ7

pith:2013:LB4DKWQ7KOUB6QP4Z7P7XK66QZ

not attested not anchored not stored refs pending

High-order algorithms for solving eigenproblems over discrete surfaces

Jyh-Yang Wu, Mei-Hsiu Chi, Sheng-Gwo Chen

arxiv:1310.4807 v1 · 2013-10-16 · cs.NA · math.NA · physics.comp-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LB4DKWQ7KOUB6QP4Z7P7XK66QZ}

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	2026-05-18T03:10:12.627029Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5878355a1f53a81f41fccfdffbabde866b19f443e6dd0f8cc9170d6af51cb05c

Aliases

arxiv: 1310.4807 · arxiv_version: 1310.4807v1 · doi: 10.48550/arxiv.1310.4807 · pith_short_12: LB4DKWQ7KOUB · pith_short_16: LB4DKWQ7KOUB6QP4 · pith_short_8: LB4DKWQ7

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/LB4DKWQ7KOUB6QP4Z7P7XK66QZ \
  | 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: 5878355a1f53a81f41fccfdffbabde866b19f443e6dd0f8cc9170d6af51cb05c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b14d4785338717822a9f3e2c3d30c1319625f732c1cfbefb7f069769d4fc4feb",
    "cross_cats_sorted": [
      "math.NA",
      "physics.comp-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NA",
    "submitted_at": "2013-10-16T08:25:55Z",
    "title_canon_sha256": "7ec1a7c91ecbaa67209c1dbb350eafeaeed16c96c655b7161c2f2986dd33dd08"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.4807",
    "kind": "arxiv",
    "version": 1
  }
}