Pith Number

pith:IWZAR2NO

pith:2013:IWZAR2NOKYBHCTTQAREKL4PIKD

not attested not anchored not stored refs pending

Classical solutions and higher regularity for nonlinear fractional diffusion equations

Ana Rodr\'iguez, Arturo de Pablo, Fernando Quir\'os, Juan Luis V\'azquez

arxiv:1311.7427 v1 · 2013-11-28 · 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{IWZAR2NOKYBHCTTQAREKL4PIKD}

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	2026-05-18T03:05:56.289563Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

45b208e9ae5602714e700448a5f1e850fd72a5bb2670b69f44fa459e1fea63dd

Aliases

arxiv: 1311.7427 · arxiv_version: 1311.7427v1 · doi: 10.48550/arxiv.1311.7427 · pith_short_12: IWZAR2NOKYBH · pith_short_16: IWZAR2NOKYBHCTTQ · pith_short_8: IWZAR2NO

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/IWZAR2NOKYBHCTTQAREKL4PIKD \
  | 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: 45b208e9ae5602714e700448a5f1e850fd72a5bb2670b69f44fa459e1fea63dd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9fbaef18e5cae3253283736b12aa2dd6e88132e82d4ce0fc7bc30e5314d4b546",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2013-11-28T21:12:09Z",
    "title_canon_sha256": "87e450015055170bc2a73534ee5a4df1173dc6fd6051060a17e383dab01e7bb5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.7427",
    "kind": "arxiv",
    "version": 1
  }
}