Pith Number

pith:MU7DQQIU

pith:2018:MU7DQQIUFWOTP4VNEPSF3YFG5Y

not attested not anchored not stored refs pending

Parametric mechanism maintaining Couette flow turbulence verified in DNS implies novel control strategies

Brian F. Farrell, Marios-Andreas Nikolaidis, Petros J. Ioannou

arxiv:1808.03870 v2 · 2018-08-11 · 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{MU7DQQIUFWOTP4VNEPSF3YFG5Y}

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	2026-05-18T00:07:17.034196Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

653e3841142d9d37f2ad23e45de0a6ee1a32f30662e50a8a0b6718f3a36943a4

Aliases

arxiv: 1808.03870 · arxiv_version: 1808.03870v2 · doi: 10.48550/arxiv.1808.03870 · pith_short_12: MU7DQQIUFWOT · pith_short_16: MU7DQQIUFWOTP4VN · pith_short_8: MU7DQQIU

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/MU7DQQIUFWOTP4VNEPSF3YFG5Y \
  | 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: 653e3841142d9d37f2ad23e45de0a6ee1a32f30662e50a8a0b6718f3a36943a4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cf26ae01ff239df5d2774b7a737ec56eaa71348894ecc9e93f7207679912f38f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2018-08-11T21:48:50Z",
    "title_canon_sha256": "7a6057b0ee8a10fd010b640c2e0392cf54e41ff891906f2d56e4daeb3de2af6a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.03870",
    "kind": "arxiv",
    "version": 2
  }
}