Pith Number

pith:DDYPOODQ

pith:2013:DDYPOODQGZJ2FTJ2WOLTISIAUT

not attested not anchored not stored refs pending

Multi-Step Regression Learning for Compositional Distributional Semantics

Edward Grefenstette, Georgiana Dinu, Marco Baroni, Mehrnoosh Sadrzadeh, Yao-Zhong Zhang

arxiv:1301.6939 v2 · 2013-01-29 · cs.CL · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DDYPOODQGZJ2FTJ2WOLTISIAUT}

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	2026-05-18T03:35:01.442050Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

18f0f738703653a2cd3ab397344900a4c4479749f30e106845d822432221d234

Aliases

arxiv: 1301.6939 · arxiv_version: 1301.6939v2 · doi: 10.48550/arxiv.1301.6939 · pith_short_12: DDYPOODQGZJ2 · pith_short_16: DDYPOODQGZJ2FTJ2 · pith_short_8: DDYPOODQ

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/DDYPOODQGZJ2FTJ2WOLTISIAUT \
  | 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: 18f0f738703653a2cd3ab397344900a4c4479749f30e106845d822432221d234

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c78a3e9f1e4192f5fcce26bd931aebbcab79f66a32c3724afe35dee5c4b1afb2",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2013-01-29T14:59:34Z",
    "title_canon_sha256": "e71d380e0e37c6144110f63d4f1767ef9c2bc294b283cd0306ad69aeac82d33c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.6939",
    "kind": "arxiv",
    "version": 2
  }
}