Pith Number

pith:QW3PDSMW

pith:2022:QW3PDSMWSECFX53KZPJUOV3AXT

not attested not anchored not stored refs pending

Adaptive sparse grid discontinuous Galerkin method: review and software implementation

Juntao Huang, Wei Guo, Yingda Cheng

arxiv:2211.01531 v1 · 2022-11-03 · math.NA · cs.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{QW3PDSMWSECFX53KZPJUOV3AXT}

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	2026-07-05T05:12:57.090429Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

85b6f1c99691045bf76acbd3475760bcda3160f199a332d857e50fa19f385ad8

Aliases

arxiv: 2211.01531 · arxiv_version: 2211.01531v1 · doi: 10.48550/arxiv.2211.01531 · pith_short_12: QW3PDSMWSECF · pith_short_16: QW3PDSMWSECFX53K · pith_short_8: QW3PDSMW

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/QW3PDSMWSECFX53KZPJUOV3AXT \
  | 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: 85b6f1c99691045bf76acbd3475760bcda3160f199a332d857e50fa19f385ad8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b8e1f5ae834f9f0a71a171c4d8d2da226613e2fd8e33983960f8445ca6e0216c",
    "cross_cats_sorted": [
      "cs.NA",
      "physics.comp-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2022-11-03T00:24:59Z",
    "title_canon_sha256": "8ba095589fad5009a38e7a0ace0dc6b1e4274730530d627f79a967f8acfe4b42"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2211.01531",
    "kind": "arxiv",
    "version": 1
  }
}