Pith Number

pith:ZC6I7UO4

pith:2018:ZC6I7UO4EGF6KISPNAFJY542OJ

not attested not anchored not stored refs pending

Energy Optimization of Automatic Hybrid Sailboat

Huihuan Qian, Qinbo Sun, Ziran Zhang, Zixuan Yao

arxiv:1811.11391 v1 · 2018-11-28 · cs.RO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZC6I7UO4EGF6KISPNAFJY542OJ}

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	2026-05-17T23:59:43.098715Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c8bc8fd1dc218be5224f680a9c779a724d20ad8d912c50e814c211e07bfdebf4

Aliases

arxiv: 1811.11391 · arxiv_version: 1811.11391v1 · doi: 10.48550/arxiv.1811.11391 · pith_short_12: ZC6I7UO4EGF6 · pith_short_16: ZC6I7UO4EGF6KISP · pith_short_8: ZC6I7UO4

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/ZC6I7UO4EGF6KISPNAFJY542OJ \
  | 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: c8bc8fd1dc218be5224f680a9c779a724d20ad8d912c50e814c211e07bfdebf4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "da18a097c82f5da6c10ef57bd22c70bfd72233731b3082317090b60278597d76",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2018-11-28T05:24:46Z",
    "title_canon_sha256": "2ffec8b53030c9f773f6b0c6d6f662cc448c5ca47464a727680c7e2ee97c3c28"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.11391",
    "kind": "arxiv",
    "version": 1
  }
}