Pith Number

pith:CBQQXIC7

pith:2019:CBQQXIC7KKHORWCKQC4SPXVWUO

not attested not anchored not stored refs pending

Existence and multiplicity of positive solutions to a fourth-order multi-point boundary value problem

Cheikh Guendouz, Faouzi Haddouchi, Slimane Benaicha

arxiv:1908.08598 v1 · 2019-08-22 · 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{CBQQXIC7KKHORWCKQC4SPXVWUO}

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	2026-07-04T23:59:15.975645Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

10610ba05f528ee8d84a80b927deb6a395016c23a8ba8fe464ca34625e0109fa

Aliases

arxiv: 1908.08598 · arxiv_version: 1908.08598v1 · doi: 10.48550/arxiv.1908.08598 · pith_short_12: CBQQXIC7KKHO · pith_short_16: CBQQXIC7KKHORWCK · pith_short_8: CBQQXIC7

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/CBQQXIC7KKHORWCKQC4SPXVWUO \
  | 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: 10610ba05f528ee8d84a80b927deb6a395016c23a8ba8fe464ca34625e0109fa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c04bd4bf809a85a623d6429ab5d5c488242a996bbf7508b760a24acb4d2a7794",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2019-08-22T21:08:21Z",
    "title_canon_sha256": "73ebb8b2013cfc3afb058cfd164112121fdad6f9d9bd7ca7f4a0ed40a72894ca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.08598",
    "kind": "arxiv",
    "version": 1
  }
}