Pith Number

pith:7OOZB72N

pith:2018:7OOZB72NWE4S647WRHJ2PPKFOV

not attested not anchored not stored refs pending

Numerical study of flow patterns and heat transfer in mini twisted oval tubes

Amin Ebrahimi, Ehsan Roohi

arxiv:1811.02451 v1 · 2018-11-06 · 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{7OOZB72NWE4S647WRHJ2PPKFOV}

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	2026-05-18T00:01:24.253263Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fb9d90ff4db1392f73f689d3a7bd457557ecf621c71bfbe2572bf98e4702c84a

Aliases

arxiv: 1811.02451 · arxiv_version: 1811.02451v1 · doi: 10.48550/arxiv.1811.02451 · pith_short_12: 7OOZB72NWE4S · pith_short_16: 7OOZB72NWE4S647W · pith_short_8: 7OOZB72N

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/7OOZB72NWE4S647WRHJ2PPKFOV \
  | 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: fb9d90ff4db1392f73f689d3a7bd457557ecf621c71bfbe2572bf98e4702c84a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cad0c25b52fbc84d7c73ea7a75a71373980f100db504f91d031b03b9904bd6bc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2018-11-06T15:58:24Z",
    "title_canon_sha256": "4d60c7cc138c391b73a9adc98f30e429b46d6b19c2b7a301fc439822a63251c7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.02451",
    "kind": "arxiv",
    "version": 1
  }
}