Pith Number

pith:M2EANBLO

pith:2019:M2EANBLOWNCGJTX33IFFHEGJ5P

not attested not anchored not stored refs pending

Automatic assessment of spoken language proficiency of non-native children

Daniele Falavigna, Katharina Allgaier, Roberto Gretter, Svetlana Tchistiakova

arxiv:1903.06409 v1 · 2019-03-15 · 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{M2EANBLOWNCGJTX33IFFHEGJ5P}

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	2026-05-17T23:51:10.905601Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

668806856eb34464cefbda0a5390c9ebdddbdb9d2a8e07269105827594d36231

Aliases

arxiv: 1903.06409 · arxiv_version: 1903.06409v1 · doi: 10.48550/arxiv.1903.06409 · pith_short_12: M2EANBLOWNCG · pith_short_16: M2EANBLOWNCGJTX3 · pith_short_8: M2EANBLO

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/M2EANBLOWNCGJTX33IFFHEGJ5P \
  | 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: 668806856eb34464cefbda0a5390c9ebdddbdb9d2a8e07269105827594d36231

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "30fa26a303e244a2e5718e0e2d87a64570362ae59cdc1a5ee777087056441aba",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-03-15T08:48:20Z",
    "title_canon_sha256": "0af2ccef2d2b247e30d69e4465c9c6266df2c6326e7b7ea571fa523bd28ae959"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.06409",
    "kind": "arxiv",
    "version": 1
  }
}