Pith Number

pith:2QXS5G3N

pith:2018:2QXS5G3NKLTBOKI7DIQIC2NXAW

not attested not anchored not stored refs pending

Design Challenges and Misconceptions in Neural Sequence Labeling

Jie Yang, Shuailong Liang, Yue Zhang

arxiv:1806.04470 v2 · 2018-06-12 · 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{2QXS5G3NKLTBOKI7DIQIC2NXAW}

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	2026-05-18T00:10:54.119213Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d42f2e9b6d52e617291f1a208169b705a161ab0ac4799a01ccac3dc26924288f

Aliases

arxiv: 1806.04470 · arxiv_version: 1806.04470v2 · doi: 10.48550/arxiv.1806.04470 · pith_short_12: 2QXS5G3NKLTB · pith_short_16: 2QXS5G3NKLTBOKI7 · pith_short_8: 2QXS5G3N

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/2QXS5G3NKLTBOKI7DIQIC2NXAW \
  | 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: d42f2e9b6d52e617291f1a208169b705a161ab0ac4799a01ccac3dc26924288f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4a917e0dd99f953977346c2259dcf4498c76b53356515614ba6bc1f9f0ffeffb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2018-06-12T12:43:42Z",
    "title_canon_sha256": "8a2ba7af5abe1a2b1d2386cd3d9a80d5f24a915963c36ebf575b4f08699c9790"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.04470",
    "kind": "arxiv",
    "version": 2
  }
}