Pith Number

pith:VB75EQPU

pith:2022:VB75EQPUCIFIUUDNMEEGC2VGRS

not attested not anchored not stored refs pending

Surface Eigenvalues with Lattice-Based Approximation In comparison with analytical solution

Shing-Tung Yau, Tianqi Wu, Yingying Wu

arxiv:2203.03603 v2 · 2022-03-07 · math.NA · cs.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{VB75EQPUCIFIUUDNMEEGC2VGRS}

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	2026-07-05T04:46:35.567648Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a87fd241f4120a8a506d6108616aa68caea4c5bf2b630758c9a2ca40596f9a32

Aliases

arxiv: 2203.03603 · arxiv_version: 2203.03603v2 · doi: 10.48550/arxiv.2203.03603 · pith_short_12: VB75EQPUCIFI · pith_short_16: VB75EQPUCIFIUUDN · pith_short_8: VB75EQPU

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/VB75EQPUCIFIUUDNMEEGC2VGRS \
  | 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: a87fd241f4120a8a506d6108616aa68caea4c5bf2b630758c9a2ca40596f9a32

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "95bd0d7a6437bea2607693cd47304a9ef99a1a39993e7730120640fae18f4eb3",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2022-03-07T18:55:17Z",
    "title_canon_sha256": "a898ef5637ca8f175ba1f953c519e06f9024d198f6673f5c3e21935b478837a8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2203.03603",
    "kind": "arxiv",
    "version": 2
  }
}