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Pith Number

pith:XA4PZQ74

pith:2014:XA4PZQ74VOKCR53THX2MX3IIOO
not attested not anchored not stored refs pending

Overdetermined problems for the fractional Laplacian in exterior and annular sets

Enrico Valdinoci, Nicola Soave

arxiv:1412.5074 v2 · 2014-12-16 · math.AP

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{XA4PZQ74VOKCR53THX2MX3IIOO}

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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 2026-05-18T00:31:00.643737Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

b838fcc3fcab9428f7733df4cbed0873b644b1cd4dad17ad26e2932a2d46d537

Aliases

arxiv: 1412.5074 · arxiv_version: 1412.5074v2 · doi: 10.48550/arxiv.1412.5074 · pith_short_12: XA4PZQ74VOKC · pith_short_16: XA4PZQ74VOKCR53T · pith_short_8: XA4PZQ74
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/XA4PZQ74VOKCR53THX2MX3IIOO \
  | 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: b838fcc3fcab9428f7733df4cbed0873b644b1cd4dad17ad26e2932a2d46d537
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "c40a3ab39af5b9efe060af9ff40a1e4dbfaf375e5546d389b59dcd3f78642534",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2014-12-16T16:48:53Z",
    "title_canon_sha256": "c2ac5dc0a99639b3a06b371d47c6df4b5236fbedc8fa52e2ac152563375d11dc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.5074",
    "kind": "arxiv",
    "version": 2
  }
}