Pith Number

pith:M3XZC4FK

pith:2008:M3XZC4FKHQJONEP5D54T7TWKIC

not attested not anchored not stored refs pending

Controlled impact of a disk on a water surface: Cavity dynamics

Arjan van der Bos, Detlef Lohse, Devaraj van der Meer, Raymond Bergmann, Stephan Gekle

arxiv:0804.0748 v1 · 2008-04-04 · physics.flu-dyn · physics.comp-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{M3XZC4FKHQJONEP5D54T7TWKIC}

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	2026-05-18T02:15:54.015941Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

66ef9170aa3c12e691fd1f793fceca4083fa91b507f96e5a8d5031f64b4e90d4

Aliases

arxiv: 0804.0748 · arxiv_version: 0804.0748v1 · doi: 10.48550/arxiv.0804.0748 · pith_short_12: M3XZC4FKHQJO · pith_short_16: M3XZC4FKHQJONEP5 · pith_short_8: M3XZC4FK

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/M3XZC4FKHQJONEP5D54T7TWKIC \
  | 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: 66ef9170aa3c12e691fd1f793fceca4083fa91b507f96e5a8d5031f64b4e90d4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3e616257e56984ffa19930adef8be302fb53ca22353def10a5998f33b10c55a1",
    "cross_cats_sorted": [
      "physics.comp-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2008-04-04T11:16:39Z",
    "title_canon_sha256": "35b8ad51e6e441dafdbc99ae80545fbdcebd1756fee4352bfb9fd6535f3cf76b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0804.0748",
    "kind": "arxiv",
    "version": 1
  }
}