Pith Number

pith:QTPXZ7LR

pith:2017:QTPXZ7LRXZZB4G2HJKZ3UTD27H

not attested not anchored not stored refs pending

Air cavities at the inner cylinder of turbulent Taylor-Couette flow

Chao Sun, Dennis Bakhuis, Detlef Lohse, Pim A. Bullee, Ruben A. Verschoof, Sander G. Huisman

arxiv:1712.02221 v2 · 2017-12-06 · 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{QTPXZ7LRXZZB4G2HJKZ3UTD27H}

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	2026-05-18T00:16:08.213191Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

84df7cfd71be721e1b474ab3ba4c7af9e5c5864df6418165b2a202a70ce8a827

Aliases

arxiv: 1712.02221 · arxiv_version: 1712.02221v2 · doi: 10.48550/arxiv.1712.02221 · pith_short_12: QTPXZ7LRXZZB · pith_short_16: QTPXZ7LRXZZB4G2H · pith_short_8: QTPXZ7LR

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/QTPXZ7LRXZZB4G2HJKZ3UTD27H \
  | 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: 84df7cfd71be721e1b474ab3ba4c7af9e5c5864df6418165b2a202a70ce8a827

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "32b7bc93e627025e55bfa83f84b7a9a517af6e2be6e1df47d3accfa9671f86f4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2017-12-06T15:07:20Z",
    "title_canon_sha256": "c5db3020fe979723ba7796a6febd56a611ebd431ce2014578f49743d873088b7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.02221",
    "kind": "arxiv",
    "version": 2
  }
}