Pith Number

pith:TR3H24AW

pith:2026:TR3H24AW4JB3DO5MOTB4ZIE4LS

not attested not anchored not stored refs pending

Ace! Motion Planning of Professional-Level Table Tennis Serves with a Robot Arm

Divij Grover, Guilherme Jorge Maeda, Guillem Torrente, Hamdi Sahloul, Megumu Tsukamoto, Peter D\"urr

arxiv:2607.06989 v1 · 2026-07-08 · cs.RO · cs.SY · eess.SY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TR3H24AW4JB3DO5MOTB4ZIE4LS}

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	2026-07-09T01:20:11.898250Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9c767d7016e243b1bbac74c3cca09c5cb8cb3b771bbafad6839755a1adfe8332

Aliases

arxiv: 2607.06989 · arxiv_version: 2607.06989v1 · doi: 10.48550/arxiv.2607.06989 · pith_short_12: TR3H24AW4JB3 · pith_short_16: TR3H24AW4JB3DO5M · pith_short_8: TR3H24AW

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/TR3H24AW4JB3DO5MOTB4ZIE4LS \
  | 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: 9c767d7016e243b1bbac74c3cca09c5cb8cb3b771bbafad6839755a1adfe8332

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d1c452cbafd35dfa82a340a3b06dc691714c4e6bf9afd37ad5adf0a9e287e34c",
    "cross_cats_sorted": [
      "cs.SY",
      "eess.SY"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2026-07-08T04:23:30Z",
    "title_canon_sha256": "1867f9f727ac799927b3164313e0dc7492104a27d0a2e734c8129105969e7a80"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.06989",
    "kind": "arxiv",
    "version": 1
  }
}