Pith Number

pith:2PQODC2N

pith:2011:2PQODC2NGZYETIW6H33MZTPTDV

not attested not anchored not stored refs pending

Karman constant and accurate mean flow prediction in a turbulent pipe

Fazle Hussain, Xi Chen, You Wu, Zhen-Su She

arxiv:1112.6310 v2 · 2011-12-29 · 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{2PQODC2NGZYETIW6H33MZTPTDV}

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	2026-05-18T04:05:26.514986Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d3e0e18b4d367049a2de3ef6cccdf31d753b18ad88b65dc32d1736d910976301

Aliases

arxiv: 1112.6310 · arxiv_version: 1112.6310v2 · doi: 10.48550/arxiv.1112.6310 · pith_short_12: 2PQODC2NGZYE · pith_short_16: 2PQODC2NGZYETIW6 · pith_short_8: 2PQODC2N

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/2PQODC2NGZYETIW6H33MZTPTDV \
  | 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: d3e0e18b4d367049a2de3ef6cccdf31d753b18ad88b65dc32d1736d910976301

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "09bd7028861ffe5b6ca51ef275d2c95b5f458580cd5537b4898048e80ddccde3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2011-12-29T13:58:53Z",
    "title_canon_sha256": "8721277834b29a0423ef5419ff6a04d75ccf3394546f32657070a46942a27eef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.6310",
    "kind": "arxiv",
    "version": 2
  }
}