Pith Number

pith:QQIFOKF2

pith:2015:QQIFOKF2MBXSJWJDQFIXJSVBOD

not attested not anchored not stored refs pending

Centrifugal instability of Stokes layers in crossflow: the case of a forced cylinder wake

Jos\'e Eduardo Wesfreid, Juan D'Adamo, Ramiro Godoy-Diana

arxiv:1504.06229 v1 · 2015-04-23 · physics.flu-dyn · nlin.CD

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QQIFOKF2MBXSJWJDQFIXJSVBOD}

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	2026-05-18T02:09:40.992954Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

84105728ba606f24d923815174caa170fa77fb65bdfdd0ddfd0d7f59cd56fe92

Aliases

arxiv: 1504.06229 · arxiv_version: 1504.06229v1 · doi: 10.48550/arxiv.1504.06229 · pith_short_12: QQIFOKF2MBXS · pith_short_16: QQIFOKF2MBXSJWJD · pith_short_8: QQIFOKF2

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/QQIFOKF2MBXSJWJDQFIXJSVBOD \
  | 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: 84105728ba606f24d923815174caa170fa77fb65bdfdd0ddfd0d7f59cd56fe92

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5fa62478a675703fe049094ee89028f418ada384120d24e73e7214ad2c06db9a",
    "cross_cats_sorted": [
      "nlin.CD"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2015-04-23T15:47:34Z",
    "title_canon_sha256": "a59667056659542ce7f86ed9d75f075311e83bb7924553c2936d930ba44a5ef4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.06229",
    "kind": "arxiv",
    "version": 1
  }
}