Pith Number

pith:3GIBF24B

pith:2019:3GIBF24BOVAIZSTZAWJQIXYJNG

not attested not anchored not stored refs pending

Continuity of solutions to a nonlinear fractional diffusion equation

Erik Lindgren, Lorenzo Brasco, Martin Str\"omqvist

arxiv:1907.00910 v1 · 2019-07-01 · 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{3GIBF24BOVAIZSTZAWJQIXYJNG}

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	2026-05-17T23:41:47.641808Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d99012eb8175408cca790593045f096987cbe5ceef5b164392f31a23fa62b69f

Aliases

arxiv: 1907.00910 · arxiv_version: 1907.00910v1 · doi: 10.48550/arxiv.1907.00910 · pith_short_12: 3GIBF24BOVAI · pith_short_16: 3GIBF24BOVAIZSTZ · pith_short_8: 3GIBF24B

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/3GIBF24BOVAIZSTZAWJQIXYJNG \
  | 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: d99012eb8175408cca790593045f096987cbe5ceef5b164392f31a23fa62b69f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0187c44995ebf72848ff9c6105464f876051dda5fc9ddf594242d42fe31ca0ca",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2019-07-01T16:28:29Z",
    "title_canon_sha256": "47882011c799f8648ab98a90d9e17cb80dc915f97d125028724c08b45a9fa254"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.00910",
    "kind": "arxiv",
    "version": 1
  }
}