Pith Number

pith:OVFYMU2N

pith:2016:OVFYMU2NCU6MG3LSKO3ZQCIW2R

not attested not anchored not stored refs pending

Variational methods for the solution of fractional discrete/continuous Sturm-Liouville problems

Agnieszka B. Malinowska, M. Lu\'isa Morgado, Ricardo Almeida, Tatiana Odzijewicz

arxiv:1604.04272 v1 · 2016-04-09 · 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{OVFYMU2NCU6MG3LSKO3ZQCIW2R}

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	2026-05-18T01:17:05.999079Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

754b86534d153cc36d7253b7980916d46125363f73c1164d4bedaef3cd915110

Aliases

arxiv: 1604.04272 · arxiv_version: 1604.04272v1 · doi: 10.48550/arxiv.1604.04272 · pith_short_12: OVFYMU2NCU6M · pith_short_16: OVFYMU2NCU6MG3LS · pith_short_8: OVFYMU2N

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/OVFYMU2NCU6MG3LSKO3ZQCIW2R \
  | 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: 754b86534d153cc36d7253b7980916d46125363f73c1164d4bedaef3cd915110

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6da86c22845382f7897536c53649488608610be7b0a5fd73e70d723ccd245365",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2016-04-09T09:57:11Z",
    "title_canon_sha256": "1e17e4a279c1c1030aa415c40778e50501015b57577e6a80250090ac60659260"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.04272",
    "kind": "arxiv",
    "version": 1
  }
}