Pith Number

pith:3ZJ7UJP5

pith:2016:3ZJ7UJP5KEICPXODYPKBE6ZHEC

not attested not anchored not stored refs pending

Compositional Sequence Labeling Models for Error Detection in Learner Writing

Helen Yannakoudakis, Marek Rei

arxiv:1607.06153 v1 · 2016-07-20 · cs.CL · cs.NE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3ZJ7UJP5KEICPXODYPKBE6ZHEC}

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	2026-05-18T00:40:13.828977Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

de53fa25fd511027ddc3c3d4127b272083801e504d36160a741ca85eab91d113

Aliases

arxiv: 1607.06153 · arxiv_version: 1607.06153v1 · doi: 10.48550/arxiv.1607.06153 · pith_short_12: 3ZJ7UJP5KEIC · pith_short_16: 3ZJ7UJP5KEICPXOD · pith_short_8: 3ZJ7UJP5

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/3ZJ7UJP5KEICPXODYPKBE6ZHEC \
  | 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: de53fa25fd511027ddc3c3d4127b272083801e504d36160a741ca85eab91d113

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0ae54c01db90836915c632d9b9593a411a67cc03228f1e4188a4341aacde3da9",
    "cross_cats_sorted": [
      "cs.NE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2016-07-20T23:26:33Z",
    "title_canon_sha256": "26be352e7b53408b31c7f7d0dc13c3e5967ded6fcafb5d98dbceaa4033c2565a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.06153",
    "kind": "arxiv",
    "version": 1
  }
}