Pith Number

pith:HF5W3JGL

pith:2018:HF5W3JGLABWFLSOJC5NH6AUTHI

not attested not anchored not stored refs pending

Nonstandard local discontinuous Galerkin methods for fully nonlinear second order elliptic and parabolic equations in high dimensions

Thomas Lewis, Xiaobing Feng

arxiv:1801.05877 v1 · 2018-01-17 · 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{HF5W3JGLABWFLSOJC5NH6AUTHI}

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	2026-05-18T00:25:36.331071Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

397b6da4cb006c55c9c9175a7f02933a12e01d3a0a142a9c8af25d1d901769c5

Aliases

arxiv: 1801.05877 · arxiv_version: 1801.05877v1 · doi: 10.48550/arxiv.1801.05877 · pith_short_12: HF5W3JGLABWF · pith_short_16: HF5W3JGLABWFLSOJ · pith_short_8: HF5W3JGL

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/HF5W3JGLABWFLSOJC5NH6AUTHI \
  | 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: 397b6da4cb006c55c9c9175a7f02933a12e01d3a0a142a9c8af25d1d901769c5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8297bb3eeaba105b416c91a54c23f0bdb2845cfaffcfee8cc7812ea4db58cb67",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-01-17T22:18:00Z",
    "title_canon_sha256": "84f7b7af5bf172d54dca0b17c590c638fb7111fcb7808e82de4284c5c5e9220e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.05877",
    "kind": "arxiv",
    "version": 1
  }
}