Pith Number

pith:FLX3WD26

pith:2019:FLX3WD26SM4PXIDNBNMPYYIOFE

not attested not anchored not stored refs pending

A Scalable Framework for Solving Fractional Diffusion Equations

Hari Sundar, Max Carlson, Robert M. Kirby

arxiv:1911.11906 v1 · 2019-11-27 · cs.DC · cs.NA · math.NA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FLX3WD26SM4PXIDNBNMPYYIOFE}

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	2026-07-05T00:22:28.589660Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2aefbb0f5e9338fba06d0b58fc610e293177fbe8b1e5f4be14e4e0028d8b5bfc

Aliases

arxiv: 1911.11906 · arxiv_version: 1911.11906v1 · doi: 10.48550/arxiv.1911.11906 · pith_short_12: FLX3WD26SM4P · pith_short_16: FLX3WD26SM4PXIDN · pith_short_8: FLX3WD26

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/FLX3WD26SM4PXIDNBNMPYYIOFE \
  | 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: 2aefbb0f5e9338fba06d0b58fc610e293177fbe8b1e5f4be14e4e0028d8b5bfc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "245bb430fcc9072d14159e35692c263866359d2eda1e1d0cbb7b37d85b59f670",
    "cross_cats_sorted": [
      "cs.NA",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2019-11-27T01:33:57Z",
    "title_canon_sha256": "0a5891e2102361518560b07a470f50093c0f5f4194b3c8ebb2f1022ae073d519"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1911.11906",
    "kind": "arxiv",
    "version": 1
  }
}