Pith Number

pith:74TWKMRL

pith:2015:74TWKMRLK5RCMSMMBP3QLHUF5I

not attested not anchored not stored refs pending

Adjoint Lattice Boltzmann for Topology Optimization on multi-GPU architecture

Jacek Rokicki, {\L}ukasz {\L}aniewski-Wo{\l}{\l}k

arxiv:1501.04741 v1 · 2015-01-20 · cs.CE · math.NA · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{74TWKMRLK5RCMSMMBP3QLHUF5I}

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	2026-05-18T02:29:02.957585Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ff2765322b576226498c0bf7059e85ea3a7cca855144741325ce9a0c892bb292

Aliases

arxiv: 1501.04741 · arxiv_version: 1501.04741v1 · doi: 10.48550/arxiv.1501.04741 · pith_short_12: 74TWKMRLK5RC · pith_short_16: 74TWKMRLK5RCMSMM · pith_short_8: 74TWKMRL

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/74TWKMRLK5RCMSMMBP3QLHUF5I \
  | 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: ff2765322b576226498c0bf7059e85ea3a7cca855144741325ce9a0c892bb292

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "00102d640d661112c3ec6b00ba45189f8bc4fbdaf70604b14a2b293427a5d62c",
    "cross_cats_sorted": [
      "math.NA",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CE",
    "submitted_at": "2015-01-20T09:06:34Z",
    "title_canon_sha256": "f5a90b73b7ada3c0fd34acae9a4c46fd7d216d5895d39befabe47d23f4901f4d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.04741",
    "kind": "arxiv",
    "version": 1
  }
}