Pith Number

pith:EGWICK64

pith:2018:EGWICK64BCEKV3AEQBMPDN6WRG

not attested not anchored not stored refs pending

Correct Statement, Analysis and Numerical Solution of Singular Nonlinear Problems for Self-Similar Solutions to the Boundary Layer Equations with Zero Pressure Gradient

Mikhail Soloviev, Nadezhda Konyukhova, Sergey Kurochkin

arxiv:1804.06301 v1 · 2018-04-06 · math.AP · 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{EGWICK64BCEKV3AEQBMPDN6WRG}

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	2026-05-18T00:18:21.083649Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

21ac812bdc0888aaec048058f1b7d68995aaf837ff09771902de0f3b434e6c0b

Aliases

arxiv: 1804.06301 · arxiv_version: 1804.06301v1 · doi: 10.48550/arxiv.1804.06301 · pith_short_12: EGWICK64BCEK · pith_short_16: EGWICK64BCEKV3AE · pith_short_8: EGWICK64

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/EGWICK64BCEKV3AEQBMPDN6WRG \
  | 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: 21ac812bdc0888aaec048058f1b7d68995aaf837ff09771902de0f3b434e6c0b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "52eb10047ee799990f9b8fff78b8dd55bfb5da20f03af69ed3cc3ee31e047490",
    "cross_cats_sorted": [
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2018-04-06T11:00:45Z",
    "title_canon_sha256": "8d7cc93968071f1049ee6a80f5e671952dc378e9803da2b0bc1532990705b13a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.06301",
    "kind": "arxiv",
    "version": 1
  }
}