Pith Number

pith:XC4HNIVY

pith:2026:XC4HNIVY2VWHS53NGPOBEX2XVR

not attested not anchored not stored refs pending

Adjoint Sensitivity Maps for Passive Flow Control Around Rotating Circular Cylinders Across a Wide Operating Envelope

Niklas K\"uhl

arxiv:2607.23831 v1 · 2026-07-26 · physics.flu-dyn · physics.comp-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{XC4HNIVY2VWHS53NGPOBEX2XVR}

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	2026-07-28T01:23:13.318870Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b8b876a2b8d56c79776d33dc125f57ac72b7e459bab7ebce6103ab00c518649a

Aliases

arxiv: 2607.23831 · arxiv_version: 2607.23831v1 · doi: 10.48550/arxiv.2607.23831 · pith_short_12: XC4HNIVY2VWH · pith_short_16: XC4HNIVY2VWHS53N · pith_short_8: XC4HNIVY

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/XC4HNIVY2VWHS53NGPOBEX2XVR \
  | 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: b8b876a2b8d56c79776d33dc125f57ac72b7e459bab7ebce6103ab00c518649a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f8ed744c8d0f3721912d134750de2d1457f341ed397fdcfe1ffa4abaa6dec259",
    "cross_cats_sorted": [
      "physics.comp-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2026-07-26T20:38:53Z",
    "title_canon_sha256": "204f89fccc5140e2aafb7de721b378efbffcd7a7e61830b7ef01a455a54cfe78"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.23831",
    "kind": "arxiv",
    "version": 1
  }
}