Pith Number

pith:PPX6NYR3

pith:2018:PPX6NYR3SBQJN7CHJ6QLMEQ4CB

not attested not anchored not stored refs pending

Automatic symbolic computation for discontinuous Galerkin finite element methods

Nathan Sime, Paul Houston

arxiv:1804.02338 v1 · 2018-04-06 · cs.NA · cs.MS

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PPX6NYR3SBQJN7CHJ6QLMEQ4CB}

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	2026-05-18T00:19:05.170390Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7befe6e23b906096fc474fa0b6121c1068bddb42a79b1dc4d968b66b53b3b47e

Aliases

arxiv: 1804.02338 · arxiv_version: 1804.02338v1 · doi: 10.48550/arxiv.1804.02338 · pith_short_12: PPX6NYR3SBQJ · pith_short_16: PPX6NYR3SBQJN7CH · pith_short_8: PPX6NYR3

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/PPX6NYR3SBQJN7CHJ6QLMEQ4CB \
  | 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: 7befe6e23b906096fc474fa0b6121c1068bddb42a79b1dc4d968b66b53b3b47e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "784df0b49dffae309297eab91d6199e784f0bb1e2758b5d71003d897df9cca5f",
    "cross_cats_sorted": [
      "cs.MS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NA",
    "submitted_at": "2018-04-06T16:09:06Z",
    "title_canon_sha256": "75b3f7834a30eab00f9ba61e6391361901f8face2df2dc7b8044936d995dbb13"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.02338",
    "kind": "arxiv",
    "version": 1
  }
}