Pith Number

pith:6UN2AH22

pith:2025:6UN2AH222RCVAPHA7JKD34I4PX

not attested not anchored not stored refs pending

Solving all laminar flows around airfoils all-at-once using a parametric neural network solver

Qianhong Ma, Shixiang Tang, Wanli Ouyang, Weiwei Zhang, Wenbo Cao

arxiv:2501.01165 v1 · 2025-01-02 · 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{6UN2AH222RCVAPHA7JKD34I4PX}

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	2026-07-05T09:56:15.775274Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f51ba01f5ad445503ce0fa543df11c7dea31dba4c449e8c82041bbdb94d7f085

Aliases

arxiv: 2501.01165 · arxiv_version: 2501.01165v1 · doi: 10.48550/arxiv.2501.01165 · pith_short_12: 6UN2AH222RCV · pith_short_16: 6UN2AH222RCVAPHA · pith_short_8: 6UN2AH22

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/6UN2AH222RCVAPHA7JKD34I4PX \
  | 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: f51ba01f5ad445503ce0fa543df11c7dea31dba4c449e8c82041bbdb94d7f085

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "89ff8eee2af0188e170988d86f5bd970fd8f758562d5ad715e7b05daa7e394ca",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2025-01-02T09:38:06Z",
    "title_canon_sha256": "07fb86f14f9109f9b92e16772b9b7a5f48e19cf709a6b99c9374cfac9bc98248"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.01165",
    "kind": "arxiv",
    "version": 1
  }
}