Pith Number

pith:CLKXCKP7

pith:2018:CLKXCKP72Q3PHCVCCXSWFBY4FK

not attested not anchored not stored refs pending

Flow Past a Circular Cylinder on Curved Surfaces

Mamdouh S. Mohamed, Pankaj Jagad, Ravi Samtaney

arxiv:1810.10829 v1 · 2018-10-25 · 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{CLKXCKP72Q3PHCVCCXSWFBY4FK}

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	2026-05-18T00:02:19.055613Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

12d57129ffd436f38aa215e562871c2aa493866206722e509a7af42fdd9c8255

Aliases

arxiv: 1810.10829 · arxiv_version: 1810.10829v1 · doi: 10.48550/arxiv.1810.10829 · pith_short_12: CLKXCKP72Q3P · pith_short_16: CLKXCKP72Q3PHCVC · pith_short_8: CLKXCKP7

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/CLKXCKP72Q3PHCVCCXSWFBY4FK \
  | 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: 12d57129ffd436f38aa215e562871c2aa493866206722e509a7af42fdd9c8255

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9cf8c95113bfb561329514071c04a6abc78d7d7f0d9396cc22db2959dbad6c8b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2018-10-25T10:58:12Z",
    "title_canon_sha256": "609ad2b38ccf4e0ed71f722bde2e04bb66389d804e75ee7c1c1d8de26ce21a90"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.10829",
    "kind": "arxiv",
    "version": 1
  }
}