Pith Number

pith:TBU7JQYA

pith:2014:TBU7JQYAYXWD5L2HM5MP7W6I6H

not attested not anchored not stored refs pending

Direct velocity measurement of a turbulent shear flow in a planar Couette cell

Ken Tore Tallakstad, Knut J{\o}rgen M{\aa}l{\o}y, Michael Niebling (IPGS), Renaud Toussaint (IPGS)

arxiv:1403.3012 v1 · 2014-03-12 · 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{TBU7JQYAYXWD5L2HM5MP7W6I6H}

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	2026-05-18T02:56:33.367408Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9869f4c300c5ec3eaf476758ffdbc8f1dc28fc978514724702dc96d5fd728827

Aliases

arxiv: 1403.3012 · arxiv_version: 1403.3012v1 · doi: 10.48550/arxiv.1403.3012 · pith_short_12: TBU7JQYAYXWD · pith_short_16: TBU7JQYAYXWD5L2H · pith_short_8: TBU7JQYA

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/TBU7JQYAYXWD5L2HM5MP7W6I6H \
  | 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: 9869f4c300c5ec3eaf476758ffdbc8f1dc28fc978514724702dc96d5fd728827

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ed1a028fea8651f67b7a6f1403b465eff346fc8aad3b7c8e405ef20eba71ba95",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2014-03-12T16:33:19Z",
    "title_canon_sha256": "38dc12ae151ab54e48df5007081b4f0f2bfe957cf4a7efe2bf9ca549edd4f660"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.3012",
    "kind": "arxiv",
    "version": 1
  }
}