Pith Number

pith:X5ZYDHER

pith:2018:X5ZYDHERLET3PDV3TJBN5VMM5F

not attested not anchored not stored refs pending

Improving mixing characteristics with a pitched tip in kneading elements in twin-screw extrusion

Hideki Tomiyama, Hiroki Takemitsu, Koichi Kimura, Takahide Takeuchi, Toshihisa Kajiwara, Yasuya Nakayama

arxiv:1811.02159 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{X5ZYDHERLET3PDV3TJBN5VMM5F}

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	2026-05-18T00:01:24.939111Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bf73819c915927b78ebb9a42ded58ce940c0a879f15c4bf16ed89c61923b6153

Aliases

arxiv: 1811.02159 · arxiv_version: 1811.02159v1 · doi: 10.48550/arxiv.1811.02159 · pith_short_12: X5ZYDHERLET3 · pith_short_16: X5ZYDHERLET3PDV3 · pith_short_8: X5ZYDHER

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/X5ZYDHERLET3PDV3TJBN5VMM5F \
  | 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: bf73819c915927b78ebb9a42ded58ce940c0a879f15c4bf16ed89c61923b6153

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ea02822520fc5085de36e161a883c919ad39534f2349168f24199a2f60138a6a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2018-11-06T04:44:48Z",
    "title_canon_sha256": "948dbcb05034ecf097f36d3a4afca62206479569167e91f8ff927008b5a5fb1e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.02159",
    "kind": "arxiv",
    "version": 1
  }
}