Pith Number

pith:UE64IN77

pith:2025:UE64IN77LPKIWUFNMAKHDMWAC5

not attested not anchored not stored refs pending

SingaKids: A Multilingual Multimodal Dialogic Tutor for Language Learning

Geyu Lin, He Sun, Hock Huan Goh, Huayun Zhang, Hui Li Tan, Lung Hsiang Wong, Nancy F. Chen, Stella Xin Yin, Xiaoxue Gao, Yanfeng Lu, Zhengyuan Liu

arxiv:2506.02412 v1 · 2025-06-03 · cs.CL · 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{UE64IN77LPKIWUFNMAKHDMWAC5}

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	2026-07-05T11:14:38.345488Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a13dc437ff5bd48b50ad601471b2c01748f06ff97827bb9c688c82ee631fa512

Aliases

arxiv: 2506.02412 · arxiv_version: 2506.02412v1 · doi: 10.48550/arxiv.2506.02412 · pith_short_12: UE64IN77LPKI · pith_short_16: UE64IN77LPKIWUFN · pith_short_8: UE64IN77

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/UE64IN77LPKIWUFNMAKHDMWAC5 \
  | 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: a13dc437ff5bd48b50ad601471b2c01748f06ff97827bb9c688c82ee631fa512

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "955a16a4e63114fbe73a995b5ab5d7534cca83285740c097596e5359f22e08ff",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2025-06-03T03:56:45Z",
    "title_canon_sha256": "2ed2463b55d1c00498ccd578f751dcee75bea44b33e48291598824ecd51be3ca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.02412",
    "kind": "arxiv",
    "version": 1
  }
}