Pith Number

pith:J646ZKOF

pith:2021:J646ZKOFC5IMCONXC6DTJYHJCG

not attested not anchored not stored refs pending

Direct Modeling for Computational Fluid Dynamics and the Construction of High-order Compact Scheme for Compressible Flow Simulations

Fengxiang Zhao, Kun Xu, Wei Shyy, Xing Ji

arxiv:2107.06555 v1 · 2021-07-14 · 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{J646ZKOFC5IMCONXC6DTJYHJCG}

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	2026-07-05T02:57:59.360947Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4fb9eca9c51750c139b7178734e0e911bb8a730160f04e14febe230ea9aef0c5

Aliases

arxiv: 2107.06555 · arxiv_version: 2107.06555v1 · doi: 10.48550/arxiv.2107.06555 · pith_short_12: J646ZKOFC5IM · pith_short_16: J646ZKOFC5IMCONX · pith_short_8: J646ZKOF

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/J646ZKOFC5IMCONXC6DTJYHJCG \
  | 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: 4fb9eca9c51750c139b7178734e0e911bb8a730160f04e14febe230ea9aef0c5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2683cdfd68e6f1e762fc73abf4dff946d50b044361db9b32574a08e82eceef73",
    "cross_cats_sorted": [
      "physics.comp-ph"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2021-07-14T08:41:51Z",
    "title_canon_sha256": "27b317830d556beb3a54f2d8343dcf43d1ee48d180c71cf89e7ee53091d189c9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.06555",
    "kind": "arxiv",
    "version": 1
  }
}