Pith Number

pith:RP6FQ5K6

pith:2025:RP6FQ5K64VJXZWFPXB4ELU7NOP

not attested not anchored not stored refs pending

Adjoint-Assisted Topology-Optimization-Inspired Analysis of Pseudo-Porous Flow Fields: Application to a Flettner Rotor

Niklas K\"uhl

arxiv:2505.04833 v1 · 2025-05-07 · 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{RP6FQ5K64VJXZWFPXB4ELU7NOP}

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	2026-07-05T11:00:14.325436Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8bfc58755ee5537cd8afb87845d3ed73dba6f1286f0e264fbb14460f05d39f86

Aliases

arxiv: 2505.04833 · arxiv_version: 2505.04833v1 · doi: 10.48550/arxiv.2505.04833 · pith_short_12: RP6FQ5K64VJX · pith_short_16: RP6FQ5K64VJXZWFP · pith_short_8: RP6FQ5K6

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/RP6FQ5K64VJXZWFPXB4ELU7NOP \
  | 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: 8bfc58755ee5537cd8afb87845d3ed73dba6f1286f0e264fbb14460f05d39f86

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "31253c5f4a343c891210d992cb021e8adb910166ba6c59797b3fe83e6ca94e34",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2025-05-07T22:12:44Z",
    "title_canon_sha256": "a57e839cbedc77385f75220b5242e9a2a0a571e0a9148ec7825ace44b9ec6238"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.04833",
    "kind": "arxiv",
    "version": 1
  }
}