Pith Number

pith:5WU3FNIN

pith:2015:5WU3FNINPDZTTCAWGGYUPQ4K7Q

not attested not anchored not stored refs pending

Big Data Small Data, In Domain Out-of Domain, Known Word Unknown Word: The Impact of Word Representation on Sequence Labelling Tasks

Gabriela Ferraro, Liyuan Zhou, Lizhen Qu, Nathan Schneider, Timothy Baldwin, Weiwei Hou

arxiv:1504.05319 v2 · 2015-04-21 · 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{5WU3FNINPDZTTCAWGGYUPQ4K7Q}

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	2026-05-18T02:03:59.565941Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eda9b2b50d78f339881631b147c38afc0fbe82097e37741acb1bf8a5f47c6029

Aliases

arxiv: 1504.05319 · arxiv_version: 1504.05319v2 · doi: 10.48550/arxiv.1504.05319 · pith_short_12: 5WU3FNINPDZT · pith_short_16: 5WU3FNINPDZTTCAW · pith_short_8: 5WU3FNIN

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/5WU3FNINPDZTTCAWGGYUPQ4K7Q \
  | 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: eda9b2b50d78f339881631b147c38afc0fbe82097e37741acb1bf8a5f47c6029

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "67c0ad985857afe8443562d9ba3214bb1ad08fb779a597ed319f919d76d0e599",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/3.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2015-04-21T06:58:26Z",
    "title_canon_sha256": "636f946e528c92f4413c520f157c0d3d87a7784c4a9c6780756f9c4974e52ce9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.05319",
    "kind": "arxiv",
    "version": 2
  }
}