Pith Number

pith:CZRLYKUW

pith:2019:CZRLYKUWBFPT5PH5QXOEQFSNQF

not attested not anchored not stored refs pending

Towards Learning How to Properly Play UNO with the iCub Robot

Alessandra Sciutti, Pablo Barros, Stefan Wermter

arxiv:1908.00744 v1 · 2019-08-02 · cs.HC · cs.AI · 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{CZRLYKUWBFPT5PH5QXOEQFSNQF}

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	2026-07-04T23:51:09.096598Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1662bc2a96095f3ebcfd85dc48164d81626a0d0c3972b5bac32029a4c9d46260

Aliases

arxiv: 1908.00744 · arxiv_version: 1908.00744v1 · doi: 10.48550/arxiv.1908.00744 · pith_short_12: CZRLYKUWBFPT · pith_short_16: CZRLYKUWBFPT5PH5 · pith_short_8: CZRLYKUW

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/CZRLYKUWBFPT5PH5QXOEQFSNQF \
  | 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: 1662bc2a96095f3ebcfd85dc48164d81626a0d0c3972b5bac32029a4c9d46260

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ffb2af30c155038820d81926f4c389221d7941e4e6091f98311bd03691b7636d",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.RO"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.HC",
    "submitted_at": "2019-08-02T08:11:46Z",
    "title_canon_sha256": "1b2ab534c25f2bcc96d4b3cc7f8af873b845fda61f48a22a9b8a3b8f0ab438e5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.00744",
    "kind": "arxiv",
    "version": 1
  }
}