Pith Number

pith:R2K7XM5V

pith:2023:R2K7XM5VSKX3MHROZ26YPTXO2K

not attested not anchored not stored refs pending

Optimizing Facial Expressions of an Android Robot Effectively: a Bayesian Optimization Approach

Dongsheng Yang, Qianying Liu, Shin'ya Nishida, Shushi Namba, Takashi Minato, Wataru Sato

arxiv:2301.05620 v1 · 2023-01-13 · cs.RO · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{R2K7XM5VSKX3MHROZ26YPTXO2K}

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	2026-07-05T10:36:20.586672Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8e95fbb3b592afb61e2ecebd87ceeed2938bd2ca4d59d06875baf956dbd4fa20

Aliases

arxiv: 2301.05620 · arxiv_version: 2301.05620v1 · doi: 10.48550/arxiv.2301.05620 · pith_short_12: R2K7XM5VSKX3 · pith_short_16: R2K7XM5VSKX3MHRO · pith_short_8: R2K7XM5V

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/R2K7XM5VSKX3MHROZ26YPTXO2K \
  | 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: 8e95fbb3b592afb61e2ecebd87ceeed2938bd2ca4d59d06875baf956dbd4fa20

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "18cbbd990dd2e643357e5d72a9e5399ad67631d340efde60595b953bacbbd8a5",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2023-01-13T15:40:13Z",
    "title_canon_sha256": "5966e32f14c08ff1ea34cb21d2ddd68905ea760d796a13474b1087453915f970"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2301.05620",
    "kind": "arxiv",
    "version": 1
  }
}