Pith Number

pith:PWIDNLFL

pith:2015:PWIDNLFLXZ55C2B7JKWAMOT272

not attested not anchored not stored refs pending

Spatially localized solutions of the Hammerstein equation with sigmoid type of nonlinearity

Alexander V. Sobolev, Anna Oleynik, Arcady Ponosov, Vadim Kostrykin

arxiv:1511.06364 v1 · 2015-11-19 · math.AP · math.FA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PWIDNLFLXZ55C2B7JKWAMOT272}

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	2026-05-18T01:26:24.588977Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7d9036acabbe7bd1683f4aac063a7afebe5d5e940028c82197df38b60a95284f

Aliases

arxiv: 1511.06364 · arxiv_version: 1511.06364v1 · doi: 10.48550/arxiv.1511.06364 · pith_short_12: PWIDNLFLXZ55 · pith_short_16: PWIDNLFLXZ55C2B7 · pith_short_8: PWIDNLFL

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/PWIDNLFLXZ55C2B7JKWAMOT272 \
  | 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: 7d9036acabbe7bd1683f4aac063a7afebe5d5e940028c82197df38b60a95284f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4c7cab7cc918502b3e88038e786a2c34ff1afeb31621db065f6ee37f6859a4dc",
    "cross_cats_sorted": [
      "math.FA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2015-11-19T17:37:46Z",
    "title_canon_sha256": "6a1ee097e20bb5073dbc4842c83be7a38e6a0215bb6d91e0f2ff4b3425a47d22"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.06364",
    "kind": "arxiv",
    "version": 1
  }
}