Pith Number

pith:PRFFF3OJ

pith:2013:PRFFF3OJOLMCXPWCLCOHXBMGW4

not attested not anchored not stored refs pending

Cross-lingual Pseudo-Projected Expectation Regularization for Weakly Supervised Learning

Christopher D. Manning, Mengqiu Wang

arxiv:1310.1597 v1 · 2013-10-06 · cs.CL · cs.AI

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PRFFF3OJOLMCXPWCLCOHXBMGW4}

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	2026-05-18T03:11:11.348362Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c4a52edc972d82bbec2589c7b8586b70ca09f6e9b59866fe7bdbbef326d4158

Aliases

arxiv: 1310.1597 · arxiv_version: 1310.1597v1 · doi: 10.48550/arxiv.1310.1597 · pith_short_12: PRFFF3OJOLMC · pith_short_16: PRFFF3OJOLMCXPWC · pith_short_8: PRFFF3OJ

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/PRFFF3OJOLMCXPWCLCOHXBMGW4 \
  | 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: 7c4a52edc972d82bbec2589c7b8586b70ca09f6e9b59866fe7bdbbef326d4158

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "612ece10f7456e895054023666e135eafa44bdb943a8e910814009dd0865c6e5",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2013-10-06T16:34:30Z",
    "title_canon_sha256": "bcddad858c01959d017181582de44cce79b07424d380025d3b73a5597a014e70"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.1597",
    "kind": "arxiv",
    "version": 1
  }
}