Pith Number

pith:Q523FJ5R

pith:2017:Q523FJ5RRT3AVINQG7AQKPSBWA

not attested not anchored not stored refs pending

A new class of actuator surface models for wind turbines

Fotis Sotiropoulos, Xiaolei Yang

arxiv:1702.02108 v4 · 2017-01-12 · 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{Q523FJ5RRT3AVINQG7AQKPSBWA}

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	2026-05-18T00:18:31.979372Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8775b2a7b18cf60aa1b037c1053e41b039ad3b974f5de9e4eb005efad855132a

Aliases

arxiv: 1702.02108 · arxiv_version: 1702.02108v4 · doi: 10.48550/arxiv.1702.02108 · pith_short_12: Q523FJ5RRT3A · pith_short_16: Q523FJ5RRT3AVINQ · pith_short_8: Q523FJ5R

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/Q523FJ5RRT3AVINQG7AQKPSBWA \
  | 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: 8775b2a7b18cf60aa1b037c1053e41b039ad3b974f5de9e4eb005efad855132a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "47a154c4a45955b327e46bff9c124137bc54bd83d7c2b6a2600bbe97b10e3c98",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2017-01-12T21:45:55Z",
    "title_canon_sha256": "c85ca394ad539dcbdab716ac4716b949a412d5aae80c79d65b814f708dc81c1c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.02108",
    "kind": "arxiv",
    "version": 4
  }
}