Pith Number

pith:UP2SFINT

pith:2026:UP2SFINTJC3C6CMPRXRQIXZZQO

not attested not anchored not stored refs pending

Wavy-wall-based flow control for the suction side geometry of NACA4412 at Retau = 3000

Artur Dr\'o\.zd\.z, Mathias Roma\'nczyk, Witold Elsner

arxiv:2602.17359 v2 · 2026-02-19 · 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{UP2SFINTJC3C6CMPRXRQIXZZQO}

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	2026-05-22T01:03:58.051802Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a3f522a1b348b62f098f8de3045f39839d29a17ced079e40064c6f6327d12be6

Aliases

arxiv: 2602.17359 · arxiv_version: 2602.17359v2 · doi: 10.48550/arxiv.2602.17359 · pith_short_12: UP2SFINTJC3C · pith_short_16: UP2SFINTJC3C6CMP · pith_short_8: UP2SFINT

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/UP2SFINTJC3C6CMPRXRQIXZZQO \
  | 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: a3f522a1b348b62f098f8de3045f39839d29a17ced079e40064c6f6327d12be6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "322622424adf4dc249f3a4c4b277b95435c0b207ebf234425614e93939d36c14",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2026-02-19T13:42:25Z",
    "title_canon_sha256": "61e244f2ae437272eb398202cc95295293cf4b1265286da388f019ecd9320b02"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2602.17359",
    "kind": "arxiv",
    "version": 2
  }
}