Pith Number

pith:L4OZ4HGY

pith:2015:L4OZ4HGYKJNTNPQTHNA6C75YT6

not attested not anchored not stored refs pending

Unsupervised POS Induction with Word Embeddings

Chris Dyer, Chu-Cheng Lin, Lori Levin, Waleed Ammar

arxiv:1503.06760 v1 · 2015-03-23 · 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{L4OZ4HGYKJNTNPQTHNA6C75YT6}

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	2026-05-18T02:20:37.479828Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5f1d9e1cd8525b36be133b41e17fb89fb962aee5d076b815c13c761e69ff8fd8

Aliases

arxiv: 1503.06760 · arxiv_version: 1503.06760v1 · doi: 10.48550/arxiv.1503.06760 · pith_short_12: L4OZ4HGYKJNT · pith_short_16: L4OZ4HGYKJNTNPQT · pith_short_8: L4OZ4HGY

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/L4OZ4HGYKJNTNPQTHNA6C75YT6 \
  | 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: 5f1d9e1cd8525b36be133b41e17fb89fb962aee5d076b815c13c761e69ff8fd8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "11ebd6b54e802b8f21eda7f5dff61c4991cb5799befcaeadb7a1587e73eaf3b6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2015-03-23T18:32:56Z",
    "title_canon_sha256": "a8aef583345d5ebbe2c73972cc14588fb8495ce64ca6d33f65aa1af3a37e9873"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.06760",
    "kind": "arxiv",
    "version": 1
  }
}