Pith Number

pith:DJRAANAH

pith:2018:DJRAANAH5NMOKXUQFUNF6O6KRN

not attested not anchored not stored refs pending

Numerical Evaluation of Entropy Generation in Isolated Airfoils and Wells Turbines

Francesco Cambuli, Geoffrey T. Parks, Natalino Mandas, Pierpaolo Puddu, Pranay Seshadri, Tiziano Ghisu

arxiv:1808.07030 v1 · 2018-08-21 · 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{DJRAANAH5NMOKXUQFUNF6O6KRN}

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	2026-05-18T00:07:38.333381Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1a62003407eb58e55e902d1a5f3bca8b40b58728e1eb29a8bb95993eaf39863d

Aliases

arxiv: 1808.07030 · arxiv_version: 1808.07030v1 · doi: 10.48550/arxiv.1808.07030 · pith_short_12: DJRAANAH5NMO · pith_short_16: DJRAANAH5NMOKXUQ · pith_short_8: DJRAANAH

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/DJRAANAH5NMOKXUQFUNF6O6KRN \
  | 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: 1a62003407eb58e55e902d1a5f3bca8b40b58728e1eb29a8bb95993eaf39863d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e758d5b0d581cbbe80293e3ddd95cbe29adf458786ee78e64c0b9776e73cb5d4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2018-08-21T17:34:30Z",
    "title_canon_sha256": "1e1fe50a88b1a1e3ea857fc61bed8e5a75260e8f1a83b10cfdee4e55150524c7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.07030",
    "kind": "arxiv",
    "version": 1
  }
}