Pith Number

pith:EM5BVJ7R

pith:2018:EM5BVJ7R3TQBKASLPUIZRZ4RSE

not attested not anchored not stored refs pending

Scaling to the stars -- a linearly scaling elliptic solver for $p$-multigrid

Immo Huismann, Jochen Fr\"ohlich, J\"org Stiller

arxiv:1808.03595 v1 · 2018-08-10 · 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{EM5BVJ7R3TQBKASLPUIZRZ4RSE}

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	2026-06-04T19:12:12.151192Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

233a1aa7f1dce015024b7d1198e79191329ed1ad22dc45d2d11e7e726d052230

Aliases

arxiv: 1808.03595 · arxiv_version: 1808.03595v1 · doi: 10.48550/arxiv.1808.03595 · pith_short_12: EM5BVJ7R3TQB · pith_short_16: EM5BVJ7R3TQBKASL · pith_short_8: EM5BVJ7R

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/EM5BVJ7R3TQBKASLPUIZRZ4RSE \
  | 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: 233a1aa7f1dce015024b7d1198e79191329ed1ad22dc45d2d11e7e726d052230

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1ad14106bd28e83fe14de04f8d0af833c4e9a535d18e3be968067609bc584be9",
    "cross_cats_sorted": [
      "cs.NA",
      "physics.comp-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-08-10T15:51:35Z",
    "title_canon_sha256": "c019a4aafe76bc5e118f3e7b484c464dbe128e32eb6edc9d911286bcb7ca4313"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.03595",
    "kind": "arxiv",
    "version": 1
  }
}