Pith Number

pith:N7RLLEMO

pith:2019:N7RLLEMOEPBC7RIAUSX5QB3HZL

not attested not anchored not stored refs pending

Mixed methods for degenerate elliptic problems and application to fractional laplacian

Maria E. Cejas, Maria I. Prieto, Ricardo G. Duran

arxiv:1903.05138 v1 · 2019-03-12 · 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{N7RLLEMOEPBC7RIAUSX5QB3HZL}

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	2026-05-17T23:51:25.358080Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6fe2b5918e23c22fc500a4afd80767caf477c72c2ec04bb1f4abc5c4887b9084

Aliases

arxiv: 1903.05138 · arxiv_version: 1903.05138v1 · doi: 10.48550/arxiv.1903.05138 · pith_short_12: N7RLLEMOEPBC · pith_short_16: N7RLLEMOEPBC7RIA · pith_short_8: N7RLLEMO

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/N7RLLEMOEPBC7RIAUSX5QB3HZL \
  | 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: 6fe2b5918e23c22fc500a4afd80767caf477c72c2ec04bb1f4abc5c4887b9084

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "00c71dc7e2d369a3b79e9fb9cee49d542a97746746caad3b0011ba1dd65790ee",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2019-03-12T18:41:38Z",
    "title_canon_sha256": "29e62984e4516f2dca7a26b59ef2bf6bf3ea4280425b83c4c601df9587d023d7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.05138",
    "kind": "arxiv",
    "version": 1
  }
}