Pith Number

pith:4OMPG7DI

pith:2017:4OMPG7DIJDJYCRNF3DETQSOM4L

not attested not anchored not stored refs pending

Adaptively enriched coarse space for the discontinuous Galerkin multiscale problems

Erik Eikeland, Leszek Marcinkowski, Talal Rahman

arxiv:1706.02325 v3 · 2017-06-07 · 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{4OMPG7DIJDJYCRNF3DETQSOM4L}

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	2026-05-18T00:03:25.043868Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e398f37c6848d38145a5d8c93849cce2d56163d102af4cc0828f7d84389f5b7a

Aliases

arxiv: 1706.02325 · arxiv_version: 1706.02325v3 · doi: 10.48550/arxiv.1706.02325 · pith_short_12: 4OMPG7DIJDJY · pith_short_16: 4OMPG7DIJDJYCRNF · pith_short_8: 4OMPG7DI

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/4OMPG7DIJDJYCRNF3DETQSOM4L \
  | 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: e398f37c6848d38145a5d8c93849cce2d56163d102af4cc0828f7d84389f5b7a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "121499a5d094d77e05ca342ad746ef3dbd746fdee64d920a8cdcf3a9907fa5aa",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-06-07T18:19:15Z",
    "title_canon_sha256": "daa402c0a81de99624b8ccae8b17a1be33fd9f8c82869e22a2e3ceaf59dbf2e3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.02325",
    "kind": "arxiv",
    "version": 3
  }
}