Pith Number

pith:ZK4CFQHX

pith:2022:ZK4CFQHX23KQKH4RTW2BYUKURN

not attested not anchored not stored refs pending

Evolution of barchan dune interactions investigated by a downscaled water tunnel experiment: the temporal characteristics and a soliton-like behavior

Bin Yang, Nan He, Pan Jia, Xin Gao, Yang Zhang, Yuanwei Lin

arxiv:2204.00084 v1 · 2022-03-18 · physics.geo-ph · 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{ZK4CFQHX23KQKH4RTW2BYUKURN}

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	2026-07-05T04:10:42.593561Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cab822c0f7d6d5051f919db41c51548b5661013e298c3e2d346e82a86956bb6e

Aliases

arxiv: 2204.00084 · arxiv_version: 2204.00084v1 · doi: 10.48550/arxiv.2204.00084 · pith_short_12: ZK4CFQHX23KQ · pith_short_16: ZK4CFQHX23KQKH4R · pith_short_8: ZK4CFQHX

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/ZK4CFQHX23KQKH4RTW2BYUKURN \
  | 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: cab822c0f7d6d5051f919db41c51548b5661013e298c3e2d346e82a86956bb6e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1e011383ee24e64d76a0d30abcca33228214972e6277d990c7d855f72e633cd2",
    "cross_cats_sorted": [
      "physics.flu-dyn"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.geo-ph",
    "submitted_at": "2022-03-18T02:58:49Z",
    "title_canon_sha256": "164af0836a273ebd59ca4ac345acb168e550d8a719370ddefacafac17bafee8d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2204.00084",
    "kind": "arxiv",
    "version": 1
  }
}