Pith Number

pith:3Z5UZOSH

pith:2018:3Z5UZOSHWV3Q4X2ERUGSOQYCP6

not attested not anchored not stored refs pending

On the stability of a hyperbolic fractional partial differential equation

E. Capelas de Oliveira, J. Vanterler da C. Sousa

arxiv:1805.05546 v1 · 2018-05-15 · math.CA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3Z5UZOSHWV3Q4X2ERUGSOQYCP6}

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	2026-05-18T00:16:00.246260Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

de7b4cba47b5770e5f448d0d2743027f92deb91cb651ff520163c0390c3d4f12

Aliases

arxiv: 1805.05546 · arxiv_version: 1805.05546v1 · doi: 10.48550/arxiv.1805.05546 · pith_short_12: 3Z5UZOSHWV3Q · pith_short_16: 3Z5UZOSHWV3Q4X2E · pith_short_8: 3Z5UZOSH

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/3Z5UZOSHWV3Q4X2ERUGSOQYCP6 \
  | 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: de7b4cba47b5770e5f448d0d2743027f92deb91cb651ff520163c0390c3d4f12

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5dac9269083e523a01bf7d55bfb5b39093d12a499f94e40aaffd077db1d1a865",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2018-05-15T03:16:29Z",
    "title_canon_sha256": "60478361bf11df5a15719273dc1d0dbded8ae0132e3162fa53c23bd507d7a1fc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.05546",
    "kind": "arxiv",
    "version": 1
  }
}