Pith Number

pith:L4IQ3HAU

pith:2009:L4IQ3HAUXVUGECVB4Q6HNJ5IOP

not attested not anchored not stored refs pending

Drop impact upon micro- and nanostructured superhydrophobic surfaces

Christophe Pirat, Detlef Lohse, Leon Lefferts, Peichun Tsai, Sergio Pacheco

arxiv:0901.4228 v1 · 2009-01-27 · 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{L4IQ3HAUXVUGECVB4Q6HNJ5IOP}

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	2026-05-18T04:39:17.011616Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5f110d9c14bd68620aa1e43c76a7a873db77984445b66717caf31a18e7f0ef09

Aliases

arxiv: 0901.4228 · arxiv_version: 0901.4228v1 · doi: 10.48550/arxiv.0901.4228 · pith_short_12: L4IQ3HAUXVUG · pith_short_16: L4IQ3HAUXVUGECVB · pith_short_8: L4IQ3HAU

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/L4IQ3HAUXVUGECVB4Q6HNJ5IOP \
  | 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: 5f110d9c14bd68620aa1e43c76a7a873db77984445b66717caf31a18e7f0ef09

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b42a4a76306f4c0d361f027de65db0bbe6405d456cd4dbe7b59ab09adb9730f3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2009-01-27T11:46:12Z",
    "title_canon_sha256": "4a1b0f46ab97a15cec1b4a03fc5e0b9938eb80d05dd6907ae0d05f17fc44f964"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0901.4228",
    "kind": "arxiv",
    "version": 1
  }
}