Pith Number

pith:QCNW2376

pith:2026:QCNW23762EFINETGG33KV6AHCZ

not attested not anchored not stored refs pending

U3DWind: A Low Altitude Wind Field Dataset and Benchmark for Urban Air Mobility

Changmin Jiang, Chao Xia, Hai Yang, Huanxia Wei, Shixiong Zhou, Shuai Jia, Yingying Xing

arxiv:2607.04495 v1 · 2026-07-05 · physics.flu-dyn · physics.geo-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{QCNW23762EFINETGG33KV6AHCZ}

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	2026-07-07T02:19:22.073170Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

809b6d6ffed10a86926636f6aaf807165774cafc68a7cb587310153d5475701a

Aliases

arxiv: 2607.04495 · arxiv_version: 2607.04495v1 · doi: 10.48550/arxiv.2607.04495 · pith_short_12: QCNW23762EFI · pith_short_16: QCNW23762EFINETG · pith_short_8: QCNW2376

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/QCNW23762EFINETGG33KV6AHCZ \
  | 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: 809b6d6ffed10a86926636f6aaf807165774cafc68a7cb587310153d5475701a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fe175041cba3893a8861fe070ce46fd3e143c1794d5021e818c3dea3a68b9b65",
    "cross_cats_sorted": [
      "physics.geo-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2026-07-05T20:42:09Z",
    "title_canon_sha256": "b404856988eae34927cd09680b9997a15e32baf74081ea0c345d04b2a901caf2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.04495",
    "kind": "arxiv",
    "version": 1
  }
}