Pith Number

pith:2Q4GLRXB

pith:2018:2Q4GLRXB5EUE65SBV2DU7DD5WW

not attested not anchored not stored refs pending

A p-Multigrid Strategy with Anisotropic p-Adaptation Based on Truncation Errors for High-Order Discontinuous Galerkin Methods

Andr\'es M. Rueda-Ram\'irez, Esteban Ferrer, Eusebio Valero, Gonzalo Rubio, Juan Manzanero

arxiv:1806.11456 v1 · 2018-06-29 · 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{2Q4GLRXB5EUE65SBV2DU7DD5WW}

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	2026-05-17T23:57:40.953648Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d43865c6e1e9284f7641ae874f8c7db5b17b1b4b7aef06bd225788c0b7d1b592

Aliases

arxiv: 1806.11456 · arxiv_version: 1806.11456v1 · doi: 10.48550/arxiv.1806.11456 · pith_short_12: 2Q4GLRXB5EUE · pith_short_16: 2Q4GLRXB5EUE65SB · pith_short_8: 2Q4GLRXB

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/2Q4GLRXB5EUE65SBV2DU7DD5WW \
  | 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: d43865c6e1e9284f7641ae874f8c7db5b17b1b4b7aef06bd225788c0b7d1b592

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6797ce15567260eb51cba403c3b9239a7f579b8b26aef21f4b09ab25d39688f3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-06-29T14:54:25Z",
    "title_canon_sha256": "bcf2f7aed2ff16699a19dc2451c8ff53eee1c94aa4ff0081b07ab0cf266db688"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.11456",
    "kind": "arxiv",
    "version": 1
  }
}