Pith Number

pith:U4PRD5Z5

pith:2019:U4PRD5Z5RDWIM5I6Q5LHWKOMST

not attested not anchored not stored refs pending

Angular momentum transport and flow organisation in Taylor-Couette flow at radius ratio of $\eta=0.357$

Andreas Froitzheim, Christoph Egbers, Rodolfo Ostilla-M\'onico, Sebastian Merbold

arxiv:1907.12137 v1 · 2019-07-28 · 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{U4PRD5Z5RDWIM5I6Q5LHWKOMST}

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	2026-07-04T23:50:05.888628Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a71f11f73d88ec86751e87567b29cc94eb428fd938d96e958b8333f0a5d25320

Aliases

arxiv: 1907.12137 · arxiv_version: 1907.12137v1 · doi: 10.48550/arxiv.1907.12137 · pith_short_12: U4PRD5Z5RDWI · pith_short_16: U4PRD5Z5RDWIM5I6 · pith_short_8: U4PRD5Z5

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/U4PRD5Z5RDWIM5I6Q5LHWKOMST \
  | 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: a71f11f73d88ec86751e87567b29cc94eb428fd938d96e958b8333f0a5d25320

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b6d83df50c6474c3afa55f366d5a3da4986b8b43a642cbe79d793f014673b25c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2019-07-28T20:26:44Z",
    "title_canon_sha256": "4db6d4bbb3e31afb326645084c3dddb69fad40e6aee219e1136644fa9065a6c3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.12137",
    "kind": "arxiv",
    "version": 1
  }
}