Pith Number

pith:CFLL7N2P

pith:2026:CFLL7N2PV5OPGVRYNSIVKFAFGY

not attested not anchored not stored refs pending

Data Standards for Humanoid Robotics: The Missing Infrastructure for Physical AI

Jialu Liu, Jie Tang, Ning Ding, Shaoshan Liu, Xiugong Qin, Xuan Wu, Xuan Xia

arxiv:2606.19769 v1 · 2026-06-18 · 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{CFLL7N2PV5OPGVRYNSIVKFAFGY}

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	2026-06-19T16:12:34.674375Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1156bfb74faf5cf356386c9155140536011d1a324e56793a2602106cca6ec3f4

Aliases

arxiv: 2606.19769 · arxiv_version: 2606.19769v1 · doi: 10.48550/arxiv.2606.19769 · pith_short_12: CFLL7N2PV5OP · pith_short_16: CFLL7N2PV5OPGVRY · pith_short_8: CFLL7N2P

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/CFLL7N2PV5OPGVRYNSIVKFAFGY \
  | 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: 1156bfb74faf5cf356386c9155140536011d1a324e56793a2602106cca6ec3f4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "63b25b8467227410ddb7fb4cc91999d5f90b6c3f39c210f85685413879fb9618",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2026-06-18T04:10:16Z",
    "title_canon_sha256": "42d12b201cdb8100e86a08ae43067a9c3103d23a4f8b07402316e14ba71cbc06"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.19769",
    "kind": "arxiv",
    "version": 1
  }
}