Pith Number

pith:24YLEST3

pith:2018:24YLEST34ONND56KDKN5I3VZTZ

not attested not anchored not stored refs pending

Drag reduction induced by superhydrophobic surfaces in turbulent pipe flow

Francesco Battista, Jean-Paul Mollicone, Roberta Costantini

arxiv:1809.08905 v1 · 2018-09-24 · 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{24YLEST34ONND56KDKN5I3VZTZ}

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	2026-05-18T00:05:03.229824Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d730b24a7be39ad1f7ca1a9bd46eb99e6075c57732e855a59bcd5e66bebf05a5

Aliases

arxiv: 1809.08905 · arxiv_version: 1809.08905v1 · doi: 10.48550/arxiv.1809.08905 · pith_short_12: 24YLEST34ONN · pith_short_16: 24YLEST34ONND56K · pith_short_8: 24YLEST3

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/24YLEST34ONND56KDKN5I3VZTZ \
  | 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: d730b24a7be39ad1f7ca1a9bd46eb99e6075c57732e855a59bcd5e66bebf05a5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3841965d0b3cdd4876d220a5c106ddb50c7ddb23c5d26319a2a95f4fe2503854",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2018-09-24T13:33:45Z",
    "title_canon_sha256": "912e341f467e7f308b7d11eb433b2fcd5127b653d544972b5f4360a0843095b7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.08905",
    "kind": "arxiv",
    "version": 1
  }
}