Pith Number

pith:EIC4GJSG

pith:2026:EIC4GJSG4ZACIRQAYYRVSUQIUM

not attested not anchored not stored refs pending

Generating Natural and Expressive Robot Gestures through Iterative Reinforcement Learning with Human Feedback using LLMs

Benjamin Tag, Chris Lee, Flora Salim, Francisco Cruz

arxiv:2606.18747 v1 · 2026-06-17 · cs.RO · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EIC4GJSG4ZACIRQAYYRVSUQIUM}

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	2026-06-19T16:11:46.345583Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2205c32646e640244600c623595208a3142d97861c44d18d53b74b8fecd2f3d2

Aliases

arxiv: 2606.18747 · arxiv_version: 2606.18747v1 · doi: 10.48550/arxiv.2606.18747 · pith_short_12: EIC4GJSG4ZAC · pith_short_16: EIC4GJSG4ZACIRQA · pith_short_8: EIC4GJSG

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/EIC4GJSG4ZACIRQAYYRVSUQIUM \
  | 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: 2205c32646e640244600c623595208a3142d97861c44d18d53b74b8fecd2f3d2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9f163ac158eda8ca2df8ba36587c9f1939003d68ade83c01ff630c77fef29591",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2026-06-17T06:48:44Z",
    "title_canon_sha256": "a07a2e13a12007225a1a59a39d794e66cf48967ac49e640640d665b048480c92"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.18747",
    "kind": "arxiv",
    "version": 1
  }
}