Pith Number

pith:PM6HUJIH

pith:2024:PM6HUJIHJ32P2J5PWB4U2E7CCJ

not attested not anchored not stored refs pending

Research progress on intelligent optimization techniques for energy-efficient design of ship hull forms

Kaifeng Chen, Leilei Cao, Shuwei Zhu, Siying Lv, Wei Fang

arxiv:2403.05832 v1 · 2024-03-09 · cs.CE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PM6HUJIHJ32P2J5PWB4U2E7CCJ}

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	2026-07-05T07:54:14.403187Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7b3c7a25074ef4fd27afb0794d13e2124e25ca150fa8ab9bac95e439b874eed9

Aliases

arxiv: 2403.05832 · arxiv_version: 2403.05832v1 · doi: 10.48550/arxiv.2403.05832 · pith_short_12: PM6HUJIHJ32P · pith_short_16: PM6HUJIHJ32P2J5P · pith_short_8: PM6HUJIH

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/PM6HUJIHJ32P2J5PWB4U2E7CCJ \
  | 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: 7b3c7a25074ef4fd27afb0794d13e2124e25ca150fa8ab9bac95e439b874eed9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8748a782b8930d537371c50cf799772a4db0b09a438d29e07a9dd278d03cd8cf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CE",
    "submitted_at": "2024-03-09T08:29:29Z",
    "title_canon_sha256": "7ebd756fdb4b6bab0a3f9f91b1fc4942758d1cf8e0833dfa2c975e95f49110c6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2403.05832",
    "kind": "arxiv",
    "version": 1
  }
}