Pith Number

pith:5KXDYBKZ

pith:2018:5KXDYBKZQF4WR45PPR6CLPGTZP

not attested not anchored not stored refs pending

Finite difference/element method for time-fractional Navier-Stokes equations

Ahmed Alsaedi, Bashir Ahmad, Guang-an Zou, Yong Zhou

arxiv:1802.09779 v1 · 2018-02-27 · 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{5KXDYBKZQF4WR45PPR6CLPGTZP}

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	2026-05-18T00:22:22.236356Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eaae3c0559817968f3af7c7c25bcd3cbf4293a70fd4edf8b7fc9978519729a54

Aliases

arxiv: 1802.09779 · arxiv_version: 1802.09779v1 · doi: 10.48550/arxiv.1802.09779 · pith_short_12: 5KXDYBKZQF4W · pith_short_16: 5KXDYBKZQF4WR45P · pith_short_8: 5KXDYBKZ

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/5KXDYBKZQF4WR45PPR6CLPGTZP \
  | 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: eaae3c0559817968f3af7c7c25bcd3cbf4293a70fd4edf8b7fc9978519729a54

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "63f424ce7ce47c410d3f209784fc50f67098eb070035edfba252c8a6a422d409",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-02-27T09:05:38Z",
    "title_canon_sha256": "b51918dc98dd2314c896683afb8c3d5c1a37b911ec4a08f1b2e5aacb4c1b5222"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.09779",
    "kind": "arxiv",
    "version": 1
  }
}