Pith Number

pith:NTLBT2M7

pith:2017:NTLBT2M72FOQ3HFEYDZQSLEKFI

not attested not anchored not stored refs pending

Native Language Identification on Text and Speech

Alina Maria Ciobanu, Liviu P. Dinu, Marcos Zampieri

arxiv:1707.07182 v1 · 2017-07-22 · 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{NTLBT2M72FOQ3HFEYDZQSLEKFI}

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	2026-05-18T00:39:45.080926Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6cd619e99fd15d0d9ca4c0f3092c8a2a31f16f50a6deeac5a7fc94193e640758

Aliases

arxiv: 1707.07182 · arxiv_version: 1707.07182v1 · doi: 10.48550/arxiv.1707.07182 · pith_short_12: NTLBT2M72FOQ · pith_short_16: NTLBT2M72FOQ3HFE · pith_short_8: NTLBT2M7

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/NTLBT2M72FOQ3HFEYDZQSLEKFI \
  | 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: 6cd619e99fd15d0d9ca4c0f3092c8a2a31f16f50a6deeac5a7fc94193e640758

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "952816e15e9f49c0233698c7c8385f2321e2ac432c5362d72b5a9cbc0c47be44",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2017-07-22T16:04:49Z",
    "title_canon_sha256": "56474d378f864c99d40f1508e3ee84b753a5dbb33a25ca0361f8fe9aedc7f91a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.07182",
    "kind": "arxiv",
    "version": 1
  }
}