Pith Number

pith:XM6V2F62

pith:2020:XM6V2F62NDOWE35PJGJI6CSEEE

not attested not anchored not stored refs pending

Numerical investigation of minimum drag profiles in laminar flow using deep learning surrogates

Berkay Alp Cakal, Li-Wei Chen, Nils Thuerey, Xiangyu Hu

arxiv:2009.14339 v2 · 2020-09-29 · 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{XM6V2F62NDOWE35PJGJI6CSEEE}

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	2026-07-05T02:49:12.844859Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bb3d5d17da68dd626faf49928f0a44213a6ad5e3de2092beeb38ccb6bac38c85

Aliases

arxiv: 2009.14339 · arxiv_version: 2009.14339v2 · doi: 10.48550/arxiv.2009.14339 · pith_short_12: XM6V2F62NDOW · pith_short_16: XM6V2F62NDOWE35P · pith_short_8: XM6V2F62

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/XM6V2F62NDOWE35PJGJI6CSEEE \
  | 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: bb3d5d17da68dd626faf49928f0a44213a6ad5e3de2092beeb38ccb6bac38c85

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1104c69e9980eb58899dddd04086ff21b53afb2c970b97e15b43a299b670b859",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2020-09-29T23:07:12Z",
    "title_canon_sha256": "b522a283108fae24bcbf26e76bb8d2ed225af86832d91e2e1267aece579c5285"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.14339",
    "kind": "arxiv",
    "version": 2
  }
}