Pith Number

pith:NT2WQ44H

pith:2018:NT2WQ44H4WXHA5UEZPJWRH4YQH

not attested not anchored not stored refs pending

Why is unsupervised alignment of English embeddings from different algorithms so hard?

Anders S{\o}gaard, Mareike Hartmann, Yova Kementchedjhieva

arxiv:1809.00150 v1 · 2018-09-01 · 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{NT2WQ44H4WXHA5UEZPJWRH4YQH}

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	2026-05-18T00:06:35.951222Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6cf5687387e5ae707684cbd3689f9881f27d48f9162d1e7c32f069f07e53efa5

Aliases

arxiv: 1809.00150 · arxiv_version: 1809.00150v1 · doi: 10.48550/arxiv.1809.00150 · pith_short_12: NT2WQ44H4WXH · pith_short_16: NT2WQ44H4WXHA5UE · pith_short_8: NT2WQ44H

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/NT2WQ44H4WXHA5UEZPJWRH4YQH \
  | 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: 6cf5687387e5ae707684cbd3689f9881f27d48f9162d1e7c32f069f07e53efa5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ad49e9fcc6f13f999e9ebf176d8812ad89b4c3e197d96b957c213e27a44fcd61",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2018-09-01T10:31:57Z",
    "title_canon_sha256": "342f601e2e4f72fe2a7729a99746b269defb6319c998e42e89e931f9a2bd4582"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.00150",
    "kind": "arxiv",
    "version": 1
  }
}