Pith Number

pith:7IRSCXQR

pith:2018:7IRSCXQR7GPT47OYDG25UFVRPZ

not attested not anchored not stored refs pending

A new class of semi-implicit methods with linear complexity for nonlinear fractional differential equations

Fanhai Zeng, George Em Karniadakis, Ian Turner, Kevin Burrage

arxiv:1808.02170 v2 · 2018-08-07 · 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{7IRSCXQR7GPT47OYDG25UFVRPZ}

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	2026-05-18T00:08:20.260911Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fa23215e11f99f3e7dd819b5da16b17e6add9fd1200c86c76e8bc3b9dde54c93

Aliases

arxiv: 1808.02170 · arxiv_version: 1808.02170v2 · doi: 10.48550/arxiv.1808.02170 · pith_short_12: 7IRSCXQR7GPT · pith_short_16: 7IRSCXQR7GPT47OY · pith_short_8: 7IRSCXQR

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/7IRSCXQR7GPT47OYDG25UFVRPZ \
  | 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: fa23215e11f99f3e7dd819b5da16b17e6add9fd1200c86c76e8bc3b9dde54c93

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d47f9e1685a024d362c8c9f019093e609c503b7572240c3bb7cd26845e595942",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-08-07T00:53:33Z",
    "title_canon_sha256": "1b468139417812e227493b0b478bc02e55806ee9f39d41694b5f26aa5cbdb83b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.02170",
    "kind": "arxiv",
    "version": 2
  }
}