Pith Number

pith:TPQQJK4D

pith:2024:TPQQJK4D6WXMFYDXUDVY2POTA7

not attested not anchored not stored refs pending

Speak & Improve Corpus 2025: an L2 English Speech Corpus for Language Assessment and Feedback

Diane Nicholls, Kate Knill, Mark J.F. Gales, Mengjie Qian, Pawel Stroinski

arxiv:2412.11986 v2 · 2024-12-16 · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TPQQJK4D6WXMFYDXUDVY2POTA7}

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.

Cited by

1 paper in Pith

A Survey of Automated Presentation Coaching: Systems, Methods, and Open Challenges

Receipt and verification

First computed	2026-07-05T09:50:37.364824Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9be104ab83f5aec2e077a0eb8d3dd307f7995f403a7589d8d0d211d71dab4e1c

Aliases

arxiv: 2412.11986 · arxiv_version: 2412.11986v2 · doi: 10.48550/arxiv.2412.11986 · pith_short_12: TPQQJK4D6WXM · pith_short_16: TPQQJK4D6WXMFYDX · pith_short_8: TPQQJK4D

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/TPQQJK4D6WXMFYDXUDVY2POTA7 \
  | 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: 9be104ab83f5aec2e077a0eb8d3dd307f7995f403a7589d8d0d211d71dab4e1c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e5b9d657fd188f71968ea7c7c99a6eddeb93e07895843d83b7378820819399ce",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2024-12-16T17:07:26Z",
    "title_canon_sha256": "bf44af15a94ee098fa91e8f0adc81dc000dd1391d4eb2e9514c91e7a946278fe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2412.11986",
    "kind": "arxiv",
    "version": 2
  }
}