Pith Number

pith:DY3G4XSW

pith:2025:DY3G4XSWKLWYI2EOJSV47GU5CD

not attested not anchored not stored refs pending

An Information-theoretic Multi-task Representation Learning Framework for Natural Language Understanding

Dou Hu, Lingwei Wei, Songlin Hu, Wei Zhou

arxiv:2503.04667 v1 · 2025-03-06 · cs.CL · cs.IT · cs.LG · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DY3G4XSWKLWYI2EOJSV47GU5CD}

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	2026-07-05T10:25:44.802167Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1e366e5e5652ed84688e4cabcf9a9d10febfdb102ba67dd79d42e5927dca0292

Aliases

arxiv: 2503.04667 · arxiv_version: 2503.04667v1 · doi: 10.48550/arxiv.2503.04667 · pith_short_12: DY3G4XSWKLWY · pith_short_16: DY3G4XSWKLWYI2EO · pith_short_8: DY3G4XSW

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/DY3G4XSWKLWYI2EOJSV47GU5CD \
  | 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: 1e366e5e5652ed84688e4cabcf9a9d10febfdb102ba67dd79d42e5927dca0292

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "28aac2c67df17081ac4b7d9cd7c3b40540f6610a3a197745caee2d54e90ea0c3",
    "cross_cats_sorted": [
      "cs.IT",
      "cs.LG",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2025-03-06T17:59:51Z",
    "title_canon_sha256": "3716fab22224cc597b2a157d7d09f1644983716b9643414d64bcbeb174c7e0ad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2503.04667",
    "kind": "arxiv",
    "version": 1
  }
}