Pith Number

pith:IP2DPQ2C

pith:2017:IP2DPQ2CRRF5EJP3RATFM6VQ2S

not attested not anchored not stored refs pending

A stencil scaling approach for accelerating matrix-free finite element implementations

Barbara Wohlmuth, Christian Waluga, Daniel Drzisga, Marcus Mohr, Simon Bauer, Ulrich Ruede

arxiv:1709.06793 v2 · 2017-09-20 · cs.NA · cs.CE · 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{IP2DPQ2CRRF5EJP3RATFM6VQ2S}

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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	2026-05-18T00:10:11.348094Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

43f437c3428c4bd225fb8826567ab0d4b1d2cd1fd68c1ba5adc2a5eee2bbcbf0

Aliases

arxiv: 1709.06793 · arxiv_version: 1709.06793v2 · doi: 10.48550/arxiv.1709.06793 · pith_short_12: IP2DPQ2CRRF5 · pith_short_16: IP2DPQ2CRRF5EJP3 · pith_short_8: IP2DPQ2C

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/IP2DPQ2CRRF5EJP3RATFM6VQ2S \
  | 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: 43f437c3428c4bd225fb8826567ab0d4b1d2cd1fd68c1ba5adc2a5eee2bbcbf0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6ec27a63e102c022753efe900ceb867019b37c5e9cf47f296ad196e811e6b8a8",
    "cross_cats_sorted": [
      "cs.CE",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NA",
    "submitted_at": "2017-09-20T09:58:20Z",
    "title_canon_sha256": "06a49d58ae67a3ccc38708db3f04c59d0d8b885c4ff93c4d310be3ebdf0f1a72"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.06793",
    "kind": "arxiv",
    "version": 2
  }
}