Pith Number

pith:ZXZP7FPR

pith:2017:ZXZP7FPRBULKZW5P4WYXJK62PB

not attested not anchored not stored refs pending

Optimal partition problems for the fractional laplacian

Antonella Ritorto

arxiv:1703.05642 v1 · 2017-03-16 · 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{ZXZP7FPRBULKZW5P4WYXJK62PB}

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	2026-05-18T00:48:33.723410Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cdf2ff95f10d16acdbafe5b174abda787d595db80cf9c3f6dcc460882a74e336

Aliases

arxiv: 1703.05642 · arxiv_version: 1703.05642v1 · doi: 10.48550/arxiv.1703.05642 · pith_short_12: ZXZP7FPRBULK · pith_short_16: ZXZP7FPRBULKZW5P · pith_short_8: ZXZP7FPR

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/ZXZP7FPRBULKZW5P4WYXJK62PB \
  | 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: cdf2ff95f10d16acdbafe5b174abda787d595db80cf9c3f6dcc460882a74e336

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4a602a8047db7c4aa43b85c813e286756150a9ff8b46e13aa8acbe19e2b1d4b9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2017-03-16T14:32:29Z",
    "title_canon_sha256": "e77f19f25e98ab4fedb82907c3ccc0406241d7c9ec175f9ea1c7c15d1e517c55"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.05642",
    "kind": "arxiv",
    "version": 1
  }
}