Pith Number

pith:ZU6D5KE2

pith:2016:ZU6D5KE2PMJSTK5UIYCW3FHVNO

not attested not anchored not stored refs pending

Inverse Problems of a Fractional Differential Equation with Bessel Operator

Fatma Al-Musalhi, Nasser Al-Salti, Sebti Kerbal

arxiv:1609.04587 v1 · 2016-09-15 · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZU6D5KE2PMJSTK5UIYCW3FHVNO}

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	2026-05-18T01:04:36.299681Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cd3c3ea89a7b1329abb446056d94f56b8062c128afeeb24347ba46095d36b872

Aliases

arxiv: 1609.04587 · arxiv_version: 1609.04587v1 · doi: 10.48550/arxiv.1609.04587 · pith_short_12: ZU6D5KE2PMJS · pith_short_16: ZU6D5KE2PMJSTK5U · pith_short_8: ZU6D5KE2

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/ZU6D5KE2PMJSTK5UIYCW3FHVNO \
  | 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: cd3c3ea89a7b1329abb446056d94f56b8062c128afeeb24347ba46095d36b872

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "51ba489643c90e4c5a915d46e49997d17b212a7548db3da5b20abb472c58b79e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2016-09-15T12:11:31Z",
    "title_canon_sha256": "ecf85d98250e4d00b45605dbea540f721b06414f27e3faf1c956fee6e80fa790"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.04587",
    "kind": "arxiv",
    "version": 1
  }
}