Pith Number

pith:YICR2BGU

pith:2022:YICR2BGUHD2ZL64H4RIKURL2JV

not attested not anchored not stored refs pending

Mat2Stencil: A Modular Matrix-Based DSL for Explicit and Implicit Matrix-Free PDE Solvers on Structured Grid

Bowen Yu, Huanqi Cao, Qianchao Zhu, Shizhi Tang, Wenguang Chen

arxiv:2204.13304 v2 · 2022-04-28 · cs.DC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YICR2BGUHD2ZL64H4RIKURL2JV}

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	2026-07-05T06:49:15.336637Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c2051d04d438f595fb87e450aa457a4d5e914494fd26d521c5fe938cfbb8abca

Aliases

arxiv: 2204.13304 · arxiv_version: 2204.13304v2 · doi: 10.48550/arxiv.2204.13304 · pith_short_12: YICR2BGUHD2Z · pith_short_16: YICR2BGUHD2ZL64H · pith_short_8: YICR2BGU

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/YICR2BGUHD2ZL64H4RIKURL2JV \
  | 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: c2051d04d438f595fb87e450aa457a4d5e914494fd26d521c5fe938cfbb8abca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b1711e72d281ff4d99da627d86cc89551344554148e820a0c890b4e79a493c2e",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2022-04-28T06:47:02Z",
    "title_canon_sha256": "ab59765bcc4a3b6992138c4a2b67703294af3064a0ff5957c7fcb42c59471ea0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2204.13304",
    "kind": "arxiv",
    "version": 2
  }
}