Pith Number

pith:IEYLPML3

pith:2017:IEYLPML3SU53CISSEJZK5IH6O5

not attested not anchored not stored refs pending

To Normalize, or Not to Normalize: The Impact of Normalization on Part-of-Speech Tagging

Barbara Plank, Malvina Nissim, Rob van der Goot

arxiv:1707.05116 v1 · 2017-07-17 · 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{IEYLPML3SU53CISSEJZK5IH6O5}

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	2026-05-18T00:40:11.332135Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4130b7b17b953bb122522272aea0fe7775167d9d41b5f46d8433ed6543b2388e

Aliases

arxiv: 1707.05116 · arxiv_version: 1707.05116v1 · doi: 10.48550/arxiv.1707.05116 · pith_short_12: IEYLPML3SU53 · pith_short_16: IEYLPML3SU53CISS · pith_short_8: IEYLPML3

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/IEYLPML3SU53CISSEJZK5IH6O5 \
  | 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: 4130b7b17b953bb122522272aea0fe7775167d9d41b5f46d8433ed6543b2388e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4206caf9de36928b675b942241a02ecb75f36c3ee1f5764d535c8fad26c3a074",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2017-07-17T12:20:53Z",
    "title_canon_sha256": "30b7464b327858e1913b6bfa2f6f3fa4f0f0c7a43bd699971416a6bd020a8890"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.05116",
    "kind": "arxiv",
    "version": 1
  }
}