Pith Number

pith:U7ZJHRZZ

pith:2016:U7ZJHRZZZ7R6HKPENZUETA5BBO

not attested not anchored not stored refs pending

Sum-of-Squares approach to feedback control of laminar wake flows

Davide Lasagna, Deqing Huang, Owen R. Tutty, Sergei Chernyshenko

arxiv:1604.08068 v2 · 2016-04-27 · 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{U7ZJHRZZZ7R6HKPENZUETA5BBO}

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	2026-05-18T00:54:36.753803Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a7f293c739cfe3e3a9e46e684983a10b91e22cd11b4ed8a3223725772f06dc61

Aliases

arxiv: 1604.08068 · arxiv_version: 1604.08068v2 · doi: 10.48550/arxiv.1604.08068 · pith_short_12: U7ZJHRZZZ7R6 · pith_short_16: U7ZJHRZZZ7R6HKPE · pith_short_8: U7ZJHRZZ

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/U7ZJHRZZZ7R6HKPENZUETA5BBO \
  | 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: a7f293c739cfe3e3a9e46e684983a10b91e22cd11b4ed8a3223725772f06dc61

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "64d78b15acf139ea6df2914ac45b27080668781f04bf56419bf6a4051cb02e8a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2016-04-27T13:42:48Z",
    "title_canon_sha256": "4f3e7d43d2f65b15f89b2406e8a3054316f0414a6fb8558c33080529e97b22bd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.08068",
    "kind": "arxiv",
    "version": 2
  }
}