Pith Number

pith:7FXC7UDA

pith:2021:7FXC7UDA6NRCXZKMACVQXDIVSF

not attested not anchored not stored refs pending

Laminar natural double diffusive convection in a square cavity containing a square hot obstacle and filled with various types of Nanofluids: Benchmark

Yassine Barhoumi

arxiv:2108.13549 v2 · 2021-08-30 · 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{7FXC7UDA6NRCXZKMACVQXDIVSF}

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	2026-07-05T05:37:24.347143Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f96e2fd060f3622be54c00ab0b8d15916417f78121a3fe83f0c77937cf2bf385

Aliases

arxiv: 2108.13549 · arxiv_version: 2108.13549v2 · doi: 10.48550/arxiv.2108.13549 · pith_short_12: 7FXC7UDA6NRC · pith_short_16: 7FXC7UDA6NRCXZKM · pith_short_8: 7FXC7UDA

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/7FXC7UDA6NRCXZKMACVQXDIVSF \
  | 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: f96e2fd060f3622be54c00ab0b8d15916417f78121a3fe83f0c77937cf2bf385

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a675e666a13e291a5e852ee0e1e7e677081a7ba08d6a951684d22f1bd95529ae",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2021-08-30T23:19:35Z",
    "title_canon_sha256": "5f4e11a25694e6cb9a8ee046227060ef7de5700eea3931234629324c0f105580"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.13549",
    "kind": "arxiv",
    "version": 2
  }
}