Pith Number

pith:QFM7SSMN

pith:2018:QFM7SSMNU6EX7ETJMJ774X6QVL

not attested not anchored not stored refs pending

Revisiting Wells Turbine Hysteresis in Light of Existing Literature on Moving Airfoils

Fabio Licheri, Francesco Cambuli, Irene Virdis, Mario Carta, Pierpaolo Puddu, Tiziano Ghisu

arxiv:1808.07031 v1 · 2018-08-21 · 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{QFM7SSMNU6EX7ETJMJ774X6QVL}

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	2026-05-18T00:07:38.324754Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8159f9498da7897f9269627ffe5fd0aaea437a3c3bc4ea40d70de599d57c5bcd

Aliases

arxiv: 1808.07031 · arxiv_version: 1808.07031v1 · doi: 10.48550/arxiv.1808.07031 · pith_short_12: QFM7SSMNU6EX · pith_short_16: QFM7SSMNU6EX7ETJ · pith_short_8: QFM7SSMN

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/QFM7SSMNU6EX7ETJMJ774X6QVL \
  | 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: 8159f9498da7897f9269627ffe5fd0aaea437a3c3bc4ea40d70de599d57c5bcd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "664911e77775e7b927dc646dba84560a4d5616e65f600a95986a084a4c20b83f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2018-08-21T17:35:25Z",
    "title_canon_sha256": "57651d10992402abb6fb4372b22687d388ee3047c0c9d0998d905a4f1da26536"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.07031",
    "kind": "arxiv",
    "version": 1
  }
}