Pith Number

pith:FVZP6RDD

pith:2017:FVZP6RDD7DAFY4LUJVVG3W4T3J

not attested not anchored not stored refs pending

Positive powers of the Laplacian: from hypersingular integrals to boundary value problems

Alberto Salda\~na, Nicola Abatangelo, Sven Jarohs

arxiv:1709.00976 v1 · 2017-09-04 · 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{FVZP6RDD7DAFY4LUJVVG3W4T3J}

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	2026-05-18T00:36:04.572100Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2d72ff4463f8c05c71744d6a6ddb93da4e93a883c47558e6655b1e2580f018da

Aliases

arxiv: 1709.00976 · arxiv_version: 1709.00976v1 · doi: 10.48550/arxiv.1709.00976 · pith_short_12: FVZP6RDD7DAF · pith_short_16: FVZP6RDD7DAFY4LU · pith_short_8: FVZP6RDD

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/FVZP6RDD7DAFY4LUJVVG3W4T3J \
  | 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: 2d72ff4463f8c05c71744d6a6ddb93da4e93a883c47558e6655b1e2580f018da

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ae7f348382c1532de6cd913a39ee269fb543d49e70a9302160ff24dec1aae351",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2017-09-04T14:30:24Z",
    "title_canon_sha256": "441139ee095da7bb469533f24be8f86d42aa25bd621d8d460a09cae83e492bc0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.00976",
    "kind": "arxiv",
    "version": 1
  }
}