Pith Number

pith:XPCCBADR

pith:2025:XPCCBADRGOKD57HRERBGD7QJTV

not attested not anchored not stored refs pending

Passive aerodynamic robustness reduces disturbance amplification in flight

Hong Liu, Jinpeng Huang, Lunbing Chen, Qilin Wu, Suyang Qin, Yang Xiang, Yong Chen, Yufei Yin

arxiv:2507.14550 v2 · 2025-07-19 · 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{XPCCBADRGOKD57HRERBGD7QJTV}

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	2026-06-08T01:03:46.569600Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bbc420807133943efcf1244261fe099d5bb8323e4fdafd7215765ca8aa6dd824

Aliases

arxiv: 2507.14550 · arxiv_version: 2507.14550v2 · doi: 10.48550/arxiv.2507.14550 · pith_short_12: XPCCBADRGOKD · pith_short_16: XPCCBADRGOKD57HR · pith_short_8: XPCCBADR

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/XPCCBADRGOKD57HRERBGD7QJTV \
  | 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: bbc420807133943efcf1244261fe099d5bb8323e4fdafd7215765ca8aa6dd824

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0222d427e5d525c1c69d056d0652af9ad2a29f604d35bda820aa4e8d51a2d021",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2025-07-19T09:12:58Z",
    "title_canon_sha256": "11774abfd3f93cd3d87031126b95285662a2f8294e6941e5a087843d1e1a6548"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.14550",
    "kind": "arxiv",
    "version": 2
  }
}