Pith Number

pith:R55OIIXV

pith:2013:R55OIIXVRKXDKEZLI5WMUZZ4V7

not attested not anchored not stored refs pending

On a fractional sublinear elliptic equation with a variable coefficient

Fabio Punzo, Gabriele Terrone

arxiv:1304.4843 v2 · 2013-04-17 · 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{R55OIIXVRKXDKEZLI5WMUZZ4V7}

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	2026-05-18T03:07:12.285835Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8f7ae422f58aae35132b476cca673cafe88c2fd45d87bca5d3612e994657492d

Aliases

arxiv: 1304.4843 · arxiv_version: 1304.4843v2 · doi: 10.48550/arxiv.1304.4843 · pith_short_12: R55OIIXVRKXD · pith_short_16: R55OIIXVRKXDKEZL · pith_short_8: R55OIIXV

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/R55OIIXVRKXDKEZLI5WMUZZ4V7 \
  | 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: 8f7ae422f58aae35132b476cca673cafe88c2fd45d87bca5d3612e994657492d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "db702474483aad2ae42cdf7e705027a5163bbcf130b8dbb93c292349d155e2c0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2013-04-17T14:40:22Z",
    "title_canon_sha256": "0acb47b2eca74c084551ee97e9373085244c6b2caba3263fd4b44f814488a68d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.4843",
    "kind": "arxiv",
    "version": 2
  }
}