Pith Number

pith:DS5XMEWZ

pith:2013:DS5XMEWZ5F66ZTWGLZ3E4FMDQL

not attested not anchored not stored refs pending

Legendre-Gauss-Lobatto grids and associated nested dyadic grids

Claudio Canuto, Kolja Brix, Wolfgang Dahmen

arxiv:1311.0028 v1 · 2013-10-31 · 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{DS5XMEWZ5F66ZTWGLZ3E4FMDQL}

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	2026-05-18T03:08:16.239708Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1cbb7612d9e97deccec65e764e158382eddb4bb3968d08f44ac2a8554dab803b

Aliases

arxiv: 1311.0028 · arxiv_version: 1311.0028v1 · doi: 10.48550/arxiv.1311.0028 · pith_short_12: DS5XMEWZ5F66 · pith_short_16: DS5XMEWZ5F66ZTWG · pith_short_8: DS5XMEWZ

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/DS5XMEWZ5F66ZTWGLZ3E4FMDQL \
  | 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: 1cbb7612d9e97deccec65e764e158382eddb4bb3968d08f44ac2a8554dab803b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e6691d2a5e0924e0effe95e04c06cd50a2a935c567ecc7525b3bb1a3083543b2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2013-10-31T20:32:08Z",
    "title_canon_sha256": "1d9454013a74c3fdba29f3d2f18a928e747459f1197e8cd56390c542d4d29ffb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.0028",
    "kind": "arxiv",
    "version": 1
  }
}