Pith Number

pith:VICFIMSJ

pith:2025:VICFIMSJEW45NT6XR46AU2E6NL

not attested not anchored not stored refs pending

Multi-Objective Aerodynamic Optimization of Ride Height and Rake Angle in a Sedan Car Using CFD and Machine Learning

Ehsan Roohi, Mahdi Kheirkhah, Mahmoud Pasandidehfard

arxiv:2509.02917 v1 · 2025-09-03 · 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{VICFIMSJEW45NT6XR46AU2E6NL}

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	2026-07-05T12:03:59.937814Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aa0454324925b9d6cfd78f3c0a689e6adc4c4e0b68e0d1fe754705a6c7f2d361

Aliases

arxiv: 2509.02917 · arxiv_version: 2509.02917v1 · doi: 10.48550/arxiv.2509.02917 · pith_short_12: VICFIMSJEW45 · pith_short_16: VICFIMSJEW45NT6X · pith_short_8: VICFIMSJ

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/VICFIMSJEW45NT6XR46AU2E6NL \
  | 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: aa0454324925b9d6cfd78f3c0a689e6adc4c4e0b68e0d1fe754705a6c7f2d361

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "78a00a6013f5a3a0ca84fa2c1d55c7d49f193d0a1453a76e80b15b4fad86ebc7",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2025-09-03T01:04:40Z",
    "title_canon_sha256": "79522d469aac203cbe1f3d20b7dde269c2ffe05a1bf7a63b2dcf96c199289872"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.02917",
    "kind": "arxiv",
    "version": 1
  }
}