Pith Number

pith:WKJVTXGZ

pith:2021:WKJVTXGZQLLJ3COPPM2B2TY2KO

not attested not anchored not stored refs pending

A Multimodal Machine Learning Framework for Teacher Vocal Delivery Evaluation

Hang Li, Wenbiao Ding, Yang Hao, Yu Kang, Zhongqin Wu, Zitao Liu

arxiv:2107.07956 v1 · 2021-07-15 · cs.SD · cs.CL · eess.AS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WKJVTXGZQLLJ3COPPM2B2TY2KO}

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	2026-07-05T02:58:31.069985Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b29359dcd982d69d89cf7b341d4f1a53a1a215a20452af7b0a8f374d20cbcc64

Aliases

arxiv: 2107.07956 · arxiv_version: 2107.07956v1 · doi: 10.48550/arxiv.2107.07956 · pith_short_12: WKJVTXGZQLLJ · pith_short_16: WKJVTXGZQLLJ3COP · pith_short_8: WKJVTXGZ

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/WKJVTXGZQLLJ3COPPM2B2TY2KO \
  | 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: b29359dcd982d69d89cf7b341d4f1a53a1a215a20452af7b0a8f374d20cbcc64

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8aaace227619d07da5054294b4d3639d8161ed22ba640528ca8b3abd66af3e92",
    "cross_cats_sorted": [
      "cs.CL",
      "eess.AS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SD",
    "submitted_at": "2021-07-15T05:09:39Z",
    "title_canon_sha256": "e641fbf1ffbf45a156837a9b0c1731a542855d60395ddc43d03972855ec97226"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.07956",
    "kind": "arxiv",
    "version": 1
  }
}