Pith Number

pith:WA6CFNDE

pith:2015:WA6CFNDE7CXKLLO6DAROYCGMFL

not attested not anchored not stored refs pending

Experimental investigation of transitional flow in a toroidal pipe

B. Hof, H. Kuhlmann, J. K\"uhnen, M. Holzner

arxiv:1508.06546 v1 · 2015-08-26 · 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{WA6CFNDE7CXKLLO6DAROYCGMFL}

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	2026-05-18T01:34:42.752681Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b03c22b464f8aea5adde1822ec08cc2ac88eda202cbd34a80c58731b82d866ac

Aliases

arxiv: 1508.06546 · arxiv_version: 1508.06546v1 · doi: 10.48550/arxiv.1508.06546 · pith_short_12: WA6CFNDE7CXK · pith_short_16: WA6CFNDE7CXKLLO6 · pith_short_8: WA6CFNDE

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/WA6CFNDE7CXKLLO6DAROYCGMFL \
  | 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: b03c22b464f8aea5adde1822ec08cc2ac88eda202cbd34a80c58731b82d866ac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "495711a453095fb7cf83141533b96bcb467c451e63542e945cce373e726861c5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2015-08-26T16:05:29Z",
    "title_canon_sha256": "64808d22fe7fe6cae63030e921b93f6e9ad8a26f9723cedea8cb80fc9fd852bd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.06546",
    "kind": "arxiv",
    "version": 1
  }
}