Pith Number

pith:DSI4UPHJ

pith:2021:DSI4UPHJOCKKIE4EF3BQNKCV25

not attested not anchored not stored refs pending

A p-multigrid compact gas-kinetic scheme for steady-state acceleration

Kun Xu, Wei Shyy, Xing Ji

arxiv:2109.09965 v1 · 2021-09-21 · 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{DSI4UPHJOCKKIE4EF3BQNKCV25}

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	2026-07-05T03:15:56.451520Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1c91ca3ce97094a413842ec306a855d769e2cbd1384423ba4219e6f9188fe1ab

Aliases

arxiv: 2109.09965 · arxiv_version: 2109.09965v1 · doi: 10.48550/arxiv.2109.09965 · pith_short_12: DSI4UPHJOCKK · pith_short_16: DSI4UPHJOCKKIE4E · pith_short_8: DSI4UPHJ

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/DSI4UPHJOCKKIE4EF3BQNKCV25 \
  | 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: 1c91ca3ce97094a413842ec306a855d769e2cbd1384423ba4219e6f9188fe1ab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "24856f63ccbea2f5efd21d3a4576500c522ddd6cd6269c5fdc11d9998a09a0e1",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2021-09-21T05:13:58Z",
    "title_canon_sha256": "ee428b0d134b3447d8380d7b3fdf34227e880c8c754ed7de7f71f796afbef0e9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.09965",
    "kind": "arxiv",
    "version": 1
  }
}