Pith Number

pith:PFRA4DR7

pith:2021:PFRA4DR7DQWPWCFXVAFMGI36R2

not attested not anchored not stored refs pending

Accuracy Improvement Technique of DNN for Accelerating CFD Simulator

Akira Oyama, Hisanao Akima, Satoshi Inano, Toshihiko Mori, Tsuguchika Tabaru, Yukito Tsunoda

arxiv:2106.01775 v2 · 2021-06-03 · physics.flu-dyn · physics.comp-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PFRA4DR7DQWPWCFXVAFMGI36R2}

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	2026-07-05T06:01:09.217793Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

79620e0e3f1c2cfb08b7a80ac3237e8e85f6a097adafa4f973783a020456d116

Aliases

arxiv: 2106.01775 · arxiv_version: 2106.01775v2 · doi: 10.48550/arxiv.2106.01775 · pith_short_12: PFRA4DR7DQWP · pith_short_16: PFRA4DR7DQWPWCFX · pith_short_8: PFRA4DR7

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/PFRA4DR7DQWPWCFXVAFMGI36R2 \
  | 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: 79620e0e3f1c2cfb08b7a80ac3237e8e85f6a097adafa4f973783a020456d116

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e94bc597da0015a83222511f61b3ae46a7fe7dec6864b4d3b50ad5cf256c972f",
    "cross_cats_sorted": [
      "physics.comp-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2021-06-03T11:58:04Z",
    "title_canon_sha256": "62f6f0cfcb0d0dc22ed8c1fd2f75e7a2ad490017b7e0a835d34f4ae49de3df4f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.01775",
    "kind": "arxiv",
    "version": 2
  }
}