Pith Number

pith:OLNIP4NA

pith:2025:OLNIP4NANCRJGZY67CK4K3L753

not attested not anchored not stored refs pending

Using the Pepper Robot to Support Sign Language Communication

Alberto Lillo, Alessandro Mazzei, Cristina Gena, Giulia Botta, Marco Botta, Massimo Donini

arxiv:2509.09889 v1 · 2025-09-11 · cs.RO · cs.HC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OLNIP4NANCRJGZY67CK4K3L753}

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	2026-07-05T12:09:51.471521Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

72da87f1a068a293671ef895c56d7feecdcace82e4caa4090ad2f7f7eb46cd5c

Aliases

arxiv: 2509.09889 · arxiv_version: 2509.09889v1 · doi: 10.48550/arxiv.2509.09889 · pith_short_12: OLNIP4NANCRJ · pith_short_16: OLNIP4NANCRJGZY6 · pith_short_8: OLNIP4NA

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/OLNIP4NANCRJGZY67CK4K3L753 \
  | 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: 72da87f1a068a293671ef895c56d7feecdcace82e4caa4090ad2f7f7eb46cd5c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "84bf79e318cd6aa820dce20f486b20d44979b066cacb0aa9903f8ca5297f4bf6",
    "cross_cats_sorted": [
      "cs.HC"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2025-09-11T23:00:31Z",
    "title_canon_sha256": "e36e7f52e5d566af12ebcaef5e4d4b956ffe9328ec5068b74a2e8b215d4abc68"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.09889",
    "kind": "arxiv",
    "version": 1
  }
}