Pith Number

pith:ER3CN42O

pith:2017:ER3CN42ORDDITTNSA23SAXHQKU

not attested not anchored not stored refs pending

Numerical Approximation of Space-time Fractional Parabolic Equations

Andrea Bonito, Joseph E. Pasciak, Wenyu Lei

arxiv:1704.04254 v3 · 2017-04-13 · 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{ER3CN42ORDDITTNSA23SAXHQKU}

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	2026-05-18T00:37:54.471747Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

247626f34e88c689cdb206b7205cf0551b9db2c2ac7b95a608806f395f814e51

Aliases

arxiv: 1704.04254 · arxiv_version: 1704.04254v3 · doi: 10.48550/arxiv.1704.04254 · pith_short_12: ER3CN42ORDDI · pith_short_16: ER3CN42ORDDITTNS · pith_short_8: ER3CN42O

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/ER3CN42ORDDITTNSA23SAXHQKU \
  | 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: 247626f34e88c689cdb206b7205cf0551b9db2c2ac7b95a608806f395f814e51

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9118a9b6c052efffa62dcc1b4ce0df25478d350af99ecf1649dac2d13cebe4b0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-04-13T19:01:27Z",
    "title_canon_sha256": "96189e7ea9bdd2e5bf1dfcc906bee331968d295ec25bf3304d3c6eb550b9dca4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.04254",
    "kind": "arxiv",
    "version": 3
  }
}