Pith Number

pith:L6E2UGQU

pith:2015:L6E2UGQUWQT6ALM2XQVKM3FD7U

not attested not anchored not stored refs pending

Remarks on the fractional Laplacian with Dirichlet boundary conditions and applications

Mihaela Ignatova, Peter Constantin

arxiv:1511.00147 v1 · 2015-10-31 · 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{L6E2UGQUWQT6ALM2XQVKM3FD7U}

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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	2026-05-18T01:28:13.135769Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5f89aa1a14b427e02d9abc2aa66ca3fd113f50c934f62cfdc4f1b5adddb577c7

Aliases

arxiv: 1511.00147 · arxiv_version: 1511.00147v1 · doi: 10.48550/arxiv.1511.00147 · pith_short_12: L6E2UGQUWQT6 · pith_short_16: L6E2UGQUWQT6ALM2 · pith_short_8: L6E2UGQU

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/L6E2UGQUWQT6ALM2XQVKM3FD7U \
  | 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: 5f89aa1a14b427e02d9abc2aa66ca3fd113f50c934f62cfdc4f1b5adddb577c7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2a9a4871af1313f3d5fa0b75319a4a44a3ea163d05d2aa37c378c64674603275",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2015-10-31T15:57:34Z",
    "title_canon_sha256": "90e8df14d94b887dbf35184708409a4b8a36a262848ef5b8e623ae08689ad4e4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.00147",
    "kind": "arxiv",
    "version": 1
  }
}