Pith Number

pith:N6F4GI7C

pith:2021:N6F4GI7CRZIFXGRAPIWA63WK3Q

not attested not anchored not stored refs pending

Efficient Exascale Discretizations: High-Order Finite Element Methods

Ahmad Abdelfattah, Aleksandr Obabko, Ali Karakus, Ananias Tomboulides, Cameron W. Smith, David Medina, Elia Merzari, Ian Karlin, Jack Dongarra, Jean-Sylvain Camier, Jed Brown, Jeremy Thompson, Kasia Swirydowicz, Lukas Spies, Mark S. Shephard, Misun Min, Natalie Beams, Noel Chalmers, Paul Fischer, Stanimire Tomov, Stefan Kerkemeier, Thilina Rathnayake, Tim Warburton, Tzanio Kolev, Valeria Barra, Veselin Dobrev, Vladimir Tomov, Will Pazner, Yohann Dudouit, Yu-Hsiang Lan

arxiv:2109.04996 v1 · 2021-09-10 · cs.DC · cs.MS · cs.NA · 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{N6F4GI7CRZIFXGRAPIWA63WK3Q}

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	2026-07-05T03:13:18.188359Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6f8bc323e28e505b9a207a2c0f6ecadc1df29af105db490d17b24eb03e6a4d91

Aliases

arxiv: 2109.04996 · arxiv_version: 2109.04996v1 · doi: 10.48550/arxiv.2109.04996 · pith_short_12: N6F4GI7CRZIF · pith_short_16: N6F4GI7CRZIFXGRA · pith_short_8: N6F4GI7C

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/N6F4GI7CRZIFXGRAPIWA63WK3Q \
  | 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: 6f8bc323e28e505b9a207a2c0f6ecadc1df29af105db490d17b24eb03e6a4d91

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "176c583979ba599e7192dd70818ca7fc167b1c12aa737996faa5d0f665e182c5",
    "cross_cats_sorted": [
      "cs.MS",
      "cs.NA",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2021-09-10T17:07:48Z",
    "title_canon_sha256": "b47d7441ac1c2437d7bc461aae88846d1d9a961b7fb300c41a96da50be0df387"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.04996",
    "kind": "arxiv",
    "version": 1
  }
}