Pith Number

pith:XNJGSR4G

pith:2013:XNJGSR4GRJP5CE7ORUXJJCD3X4

not attested not anchored not stored refs pending

An approximate analytical solution of free convection problem for vertical isothermal plate via transverse coordinate Taylor expansion

Sergey Leble, Witold M.Lewandowski

arxiv:1307.1921 v1 · 2013-07-07 · physics.flu-dyn

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XNJGSR4GRJP5CE7ORUXJJCD3X4}

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	2026-05-18T03:19:03.133227Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bb526947868a5fd113ee8d2e94887bbf05828958139642fc32de5afdb6091070

Aliases

arxiv: 1307.1921 · arxiv_version: 1307.1921v1 · doi: 10.48550/arxiv.1307.1921 · pith_short_12: XNJGSR4GRJP5 · pith_short_16: XNJGSR4GRJP5CE7O · pith_short_8: XNJGSR4G

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/XNJGSR4GRJP5CE7ORUXJJCD3X4 \
  | 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: bb526947868a5fd113ee8d2e94887bbf05828958139642fc32de5afdb6091070

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ba5111c1f1dbe8842697ba1dca1961fce0ef11b54e7b5ff5ce78eba0ec0ff5f0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2013-07-07T21:35:10Z",
    "title_canon_sha256": "756061fecaeaf686e2deddcf0ac92611107728a4953414520a2f14122573f52b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.1921",
    "kind": "arxiv",
    "version": 1
  }
}