Pith Number

pith:3TF75BHM

pith:2018:3TF75BHMVBAFI36CFSOZFU4HCN

not attested not anchored not stored refs pending

RANS Equations with Explicit Data-Driven Reynolds Stress Closure Can Be Ill-Conditioned

Heng Xiao, Jin-Long Wu, Qiqi Wang, Rui Sun

arxiv:1803.05581 v3 · 2018-03-15 · 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{3TF75BHMVBAFI36CFSOZFU4HCN}

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	2026-05-17T23:45:38.814539Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dccbfe84eca840546fc22c9d92d38713535a1a25c593052140c98948dbb45030

Aliases

arxiv: 1803.05581 · arxiv_version: 1803.05581v3 · doi: 10.48550/arxiv.1803.05581 · pith_short_12: 3TF75BHMVBAF · pith_short_16: 3TF75BHMVBAFI36C · pith_short_8: 3TF75BHM

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/3TF75BHMVBAFI36CFSOZFU4HCN \
  | 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: dccbfe84eca840546fc22c9d92d38713535a1a25c593052140c98948dbb45030

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "db6c23e0678ad392877ab9b917065a6de0bd0d9cc2754394aea39c76b3a2a64e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2018-03-15T03:39:54Z",
    "title_canon_sha256": "684d0b72a6efd1254fb200f688d2caebb311a6bb2a8418002f247afdaa93cddc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.05581",
    "kind": "arxiv",
    "version": 3
  }
}