Pith Number

pith:UGDFHX3I

pith:2019:UGDFHX3IMUQSM5LIK5SLKBYC2B

not attested not anchored not stored refs pending

Method of discretizing of fractional-derivative linear systems of ordinary differential equations with constant coefficients

Fikret A. Aliev, K.G. Gasimova, N. A. Aliev, N.I. Velieva, Y.V Mamedova

arxiv:1903.06468 v1 · 2019-03-15 · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UGDFHX3IMUQSM5LIK5SLKBYC2B}

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	2026-05-17T23:51:10.746023Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a18653df6865212675685764b50702d0731525a326ac41719b8b7aceaca606c7

Aliases

arxiv: 1903.06468 · arxiv_version: 1903.06468v1 · doi: 10.48550/arxiv.1903.06468 · pith_short_12: UGDFHX3IMUQS · pith_short_16: UGDFHX3IMUQSM5LI · pith_short_8: UGDFHX3I

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/UGDFHX3IMUQSM5LIK5SLKBYC2B \
  | 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: a18653df6865212675685764b50702d0731525a326ac41719b8b7aceaca606c7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "641d0d9322888fa0f12de3e16da1b372529614754ab0420d689e8e38a1e495ce",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2019-03-15T11:20:01Z",
    "title_canon_sha256": "0cd31cd9921258aeae6feb90902a7d6568790ac09aac0e7a3a8a792818f47b0e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.06468",
    "kind": "arxiv",
    "version": 1
  }
}