Pith Number

pith:76EPMKCD

pith:2014:76EPMKCDNHJWYAXOY7A7SPOCNS

not attested not anchored not stored refs pending

Tensor-Sparsity of Solutions to High-Dimensional Elliptic Partial Differential Equations

Endre S\"uli, Lars Grasedyck, Ronald DeVore, Wolfgang Dahmen

arxiv:1407.6208 v1 · 2014-07-23 · math.NA · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{76EPMKCDNHJWYAXOY7A7SPOCNS}

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	2026-05-18T02:46:58.654684Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ff88f6284369d36c02eec7c1f93dc26c8890e80a42287ca7a1641bbf470c4508

Aliases

arxiv: 1407.6208 · arxiv_version: 1407.6208v1 · doi: 10.48550/arxiv.1407.6208 · pith_short_12: 76EPMKCDNHJW · pith_short_16: 76EPMKCDNHJWYAXO · pith_short_8: 76EPMKCD

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/76EPMKCDNHJWYAXOY7A7SPOCNS \
  | 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: ff88f6284369d36c02eec7c1f93dc26c8890e80a42287ca7a1641bbf470c4508

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1ae5505a2d64272be0f684a00561077ad0d73ff2b6f60ae79eeff3cdcc5ae446",
    "cross_cats_sorted": [
      "math.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2014-07-23T13:35:14Z",
    "title_canon_sha256": "27690658319f8f2f77fbff2ad453644ef45a17fec9662c02ad12365aca0341d7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.6208",
    "kind": "arxiv",
    "version": 1
  }
}