Pith Number

pith:7LOBAJL3

pith:2025:7LOBAJL3M53KREHRRM72GBKCID

not attested not anchored not stored refs pending

Flow reorganization and transport enhancement in two-dimensional horizontal convection near a density extremum

Kaizhen Shi, Shengqi Zhang, Shijun Liao, Zhiyang Cai, Zhouxin Jiang

arxiv:2508.12289 v4 · 2025-08-17 · 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{7LOBAJL3M53KREHRRM72GBKCID}

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	2026-06-19T16:11:12.317845Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fadc10257b6776a890f18b3fa3054240cc2065f34caac8dcd072e762cb6f56ab

Aliases

arxiv: 2508.12289 · arxiv_version: 2508.12289v4 · doi: 10.48550/arxiv.2508.12289 · pith_short_12: 7LOBAJL3M53K · pith_short_16: 7LOBAJL3M53KREHR · pith_short_8: 7LOBAJL3

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/7LOBAJL3M53KREHRRM72GBKCID \
  | 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: fadc10257b6776a890f18b3fa3054240cc2065f34caac8dcd072e762cb6f56ab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "704ed216911e9bbd3bac89fd24b3c296eb14c0be6f21d84f0373d3ec9768ce25",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2025-08-17T08:38:59Z",
    "title_canon_sha256": "94424e1befb07baa2b752b7a8213bdd006fa64742e391e5048f5437fed442556"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.12289",
    "kind": "arxiv",
    "version": 4
  }
}