Pith Number

pith:GDBWFGL7

pith:2013:GDBWFGL7RHNHJMZZRVJJ7DD7YJ

not attested not anchored not stored refs pending

A quasi-solution approach to nonlinear problems - the case of Blasius similarity solution

O. Costin, S. Tanveer, T. Kim

arxiv:1311.0421 v1 · 2013-11-03 · 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{GDBWFGL7RHNHJMZZRVJJ7DD7YJ}

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	2026-05-18T01:46:39.677568Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

30c362997f89da74b3398d529f8c7fc24533537ed7eee381dd70bdc5cded2a90

Aliases

arxiv: 1311.0421 · arxiv_version: 1311.0421v1 · doi: 10.48550/arxiv.1311.0421 · pith_short_12: GDBWFGL7RHNH · pith_short_16: GDBWFGL7RHNHJMZZ · pith_short_8: GDBWFGL7

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/GDBWFGL7RHNHJMZZRVJJ7DD7YJ \
  | 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: 30c362997f89da74b3398d529f8c7fc24533537ed7eee381dd70bdc5cded2a90

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5e5fd5a285157d031a1b99c070e7cda810d9be03b226c189f0f66243f2ac7e46",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2013-11-03T01:06:21Z",
    "title_canon_sha256": "57f2ad7542ed235ad6a9f2412a90695e34688d594b63044fa87309822479f7b0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.0421",
    "kind": "arxiv",
    "version": 1
  }
}