Pith Number

pith:RDPHXLBI

pith:2015:RDPHXLBISPSROGQITTCPYOWVV5

not attested not anchored not stored refs pending

Drop impact on a solid surface: short time self-similarity

Arnaud Antkowiak, Julien Philippi, Pierre-Yves Lagr\'ee

arxiv:1504.05847 v1 · 2015-04-22 · 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{RDPHXLBISPSROGQITTCPYOWVV5}

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	2026-05-18T01:15:46.850308Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

88de7bac2893e5171a089cc4fc3ad5af726146f9602c56a6a10ed0dd57cd5bbd

Aliases

arxiv: 1504.05847 · arxiv_version: 1504.05847v1 · doi: 10.48550/arxiv.1504.05847 · pith_short_12: RDPHXLBISPSR · pith_short_16: RDPHXLBISPSROGQI · pith_short_8: RDPHXLBI

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/RDPHXLBISPSROGQITTCPYOWVV5 \
  | 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: 88de7bac2893e5171a089cc4fc3ad5af726146f9602c56a6a10ed0dd57cd5bbd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "be3c1cb46e6d0bc779d0a726e2c9b40156a50476926cbf825b2683ac9fd2cdce",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2015-04-22T15:37:18Z",
    "title_canon_sha256": "867503068bc9e917d7fa00bd64dd9435b69cd24c152596971ece3f530da5f017"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.05847",
    "kind": "arxiv",
    "version": 1
  }
}