Pith Number

pith:P3XWSCGO

pith:2020:P3XWSCGOYSW3R4A6COJDQRAY6K

not attested not anchored not stored refs pending

Dual Learning for Semi-Supervised Natural Language Understanding

Kai Yu, Ruisheng Cao, Su Zhu

arxiv:2004.12299 v4 · 2020-04-26 · 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{P3XWSCGOYSW3R4A6COJDQRAY6K}

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	2026-07-05T02:28:16.549707Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7eef6908cec4adb8f01e1392384418f28b58644b7b8c77bba3c753dbdd55638e

Aliases

arxiv: 2004.12299 · arxiv_version: 2004.12299v4 · doi: 10.48550/arxiv.2004.12299 · pith_short_12: P3XWSCGOYSW3 · pith_short_16: P3XWSCGOYSW3R4A6 · pith_short_8: P3XWSCGO

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/P3XWSCGOYSW3R4A6COJDQRAY6K \
  | 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: 7eef6908cec4adb8f01e1392384418f28b58644b7b8c77bba3c753dbdd55638e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "352e6fb25a4043b1bf88d77a7aee22566d71ba5cc7e68a81a6347a29974dcf08",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2020-04-26T07:17:48Z",
    "title_canon_sha256": "e1baff8d60a338f0cf5779d2c0e055a269d8a4ad7ec347ecdb54016890baf4cd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.12299",
    "kind": "arxiv",
    "version": 4
  }
}