Pith Number

pith:JD7QLCG3

pith:2019:JD7QLCG3DM3VR2ELC2SA3K5GG3

not attested not anchored not stored refs pending

Cooperative Learning of Disjoint Syntax and Semantics

Armand Joulin, Germ\'an Kruszewski, Serhii Havrylov

arxiv:1902.09393 v2 · 2019-02-25 · cs.CL · cs.AI · 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{JD7QLCG3DM3VR2ELC2SA3K5GG3}

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	2026-05-17T23:44:47.521687Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

48ff0588db1b3758e88b16a40daba636c6135438a81ef1fd7714cb93f7512e1c

Aliases

arxiv: 1902.09393 · arxiv_version: 1902.09393v2 · doi: 10.48550/arxiv.1902.09393 · pith_short_12: JD7QLCG3DM3V · pith_short_16: JD7QLCG3DM3VR2EL · pith_short_8: JD7QLCG3

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/JD7QLCG3DM3VR2ELC2SA3K5GG3 \
  | 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: 48ff0588db1b3758e88b16a40daba636c6135438a81ef1fd7714cb93f7512e1c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5eafb6f3f7b9e7972d58fdba1fbd5ad4273197018946673446dea49f815c9cdc",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-02-25T15:56:34Z",
    "title_canon_sha256": "fbcf9724a1f0f3eaa9de77e18cdea48a98c37507cd00175a9a8e96b21a7f48e9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.09393",
    "kind": "arxiv",
    "version": 2
  }
}