Pith Number

pith:35T4XXNT

pith:2021:35T4XXNTYRW7FE5JN7WLRFJKC7

not attested not anchored not stored refs pending

Research Challenges and Progress in Robotic Grasping and Manipulation Competitions

Berk Calli, Joe Falco, Maximo A. Roa, Yu Sun

arxiv:2108.01483 v2 · 2021-08-03 · 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{35T4XXNTYRW7FE5JN7WLRFJKC7}

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	2026-07-05T03:39:16.238033Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

df67cbddb3c46df293a96fecb8952a17d3171430e5d329857361497427287fb7

Aliases

arxiv: 2108.01483 · arxiv_version: 2108.01483v2 · doi: 10.48550/arxiv.2108.01483 · pith_short_12: 35T4XXNTYRW7 · pith_short_16: 35T4XXNTYRW7FE5J · pith_short_8: 35T4XXNT

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/35T4XXNTYRW7FE5JN7WLRFJKC7 \
  | 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: df67cbddb3c46df293a96fecb8952a17d3171430e5d329857361497427287fb7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "244126e509a11250e7160f8e3a3631a3b00270652250b8b6cef2029ea6a1653c",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2021-08-03T13:20:29Z",
    "title_canon_sha256": "724244addccc3112eae8e4747dd3cb77815e0173d05033012c81ef3637cd0543"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.01483",
    "kind": "arxiv",
    "version": 2
  }
}