Pith Number

pith:FM5PC7KT

pith:2016:FM5PC7KTIGKS7QM3KCNPYV6XJF

not attested not anchored not stored refs pending

H\"older estimates for fractional parabolic equations with critical divergence free drifts

Matias G. Delgadino, Scott Smith

arxiv:1609.02691 v1 · 2016-09-09 · 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{FM5PC7KTIGKS7QM3KCNPYV6XJF}

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	2026-05-18T01:04:51.502433Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2b3af17d5341952fc19b509afc57d7494fb0b956d6943621fe0c6d8cdb3b4b38

Aliases

arxiv: 1609.02691 · arxiv_version: 1609.02691v1 · doi: 10.48550/arxiv.1609.02691 · pith_short_12: FM5PC7KTIGKS · pith_short_16: FM5PC7KTIGKS7QM3 · pith_short_8: FM5PC7KT

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/FM5PC7KTIGKS7QM3KCNPYV6XJF \
  | 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: 2b3af17d5341952fc19b509afc57d7494fb0b956d6943621fe0c6d8cdb3b4b38

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "129de1d00d59ba4caaf4fe3b33fbd0fccf13caccca0f5d491b7915c2cac14958",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2016-09-09T08:32:39Z",
    "title_canon_sha256": "92036e73721dd73ed77c0779412c232641709e06445eff68c8269ea99bfc2171"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.02691",
    "kind": "arxiv",
    "version": 1
  }
}