Pith Number

pith:YA4M6KPX

pith:2017:YA4M6KPXXJIQ2WC2N3KRXPSROR

not attested not anchored not stored refs pending

An Improved Roe Scheme for All Mach-Number Flows Simultaneously Curing Known Problems

Chun-wei Gu, Xiao-dong Ren, Xue-Song Li

arxiv:1711.09272 v2 · 2017-11-25 · physics.comp-ph · 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{YA4M6KPXXJIQ2WC2N3KRXPSROR}

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	2026-05-18T00:23:58.731402Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c038cf29f7ba510d585a6ed51bbe517475a4cea395247fd1ccf010cdf4d4a5c5

Aliases

arxiv: 1711.09272 · arxiv_version: 1711.09272v2 · doi: 10.48550/arxiv.1711.09272 · pith_short_12: YA4M6KPXXJIQ · pith_short_16: YA4M6KPXXJIQ2WC2 · pith_short_8: YA4M6KPX

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/YA4M6KPXXJIQ2WC2N3KRXPSROR \
  | 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: c038cf29f7ba510d585a6ed51bbe517475a4cea395247fd1ccf010cdf4d4a5c5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d21a04cf2481f06814d3298c171f26f8a3638e2e85694c03f76860f344538e89",
    "cross_cats_sorted": [
      "physics.flu-dyn"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2017-11-25T18:49:36Z",
    "title_canon_sha256": "78b00f892656b1465314f463402c9fdb32d00782492be6557f4b374819545b19"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.09272",
    "kind": "arxiv",
    "version": 2
  }
}