Pith Number

pith:H4LYVDRD

pith:2021:H4LYVDRD3OTNBEFEMLSQDGLIKE

not attested not anchored not stored refs pending

X-METRA-ADA: Cross-lingual Meta-Transfer Learning Adaptation to Natural Language Understanding and Question Answering

Doo Soon Kim, Franck Dernoncourt, Jonathan May, Meryem M'hamdi, Trung Bui, Xiang Ren

arxiv:2104.09696 v2 · 2021-04-20 · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{H4LYVDRD3OTNBEFEMLSQDGLIKE}

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	2026-07-05T02:45:37.600511Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3f178a8e23dba6d090a462e50199685105193f0750b860de66334c48e553d9b4

Aliases

arxiv: 2104.09696 · arxiv_version: 2104.09696v2 · doi: 10.48550/arxiv.2104.09696 · pith_short_12: H4LYVDRD3OTN · pith_short_16: H4LYVDRD3OTNBEFE · pith_short_8: H4LYVDRD

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/H4LYVDRD3OTNBEFEMLSQDGLIKE \
  | 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: 3f178a8e23dba6d090a462e50199685105193f0750b860de66334c48e553d9b4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c76788520d2f7d8f3d087a22b2b2587c1baf85478fa1b364adfc7b1e4835928c",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2021-04-20T00:13:35Z",
    "title_canon_sha256": "30fbe13ef3592fefc5e915e83364b78bef7525ec3683d44b6541ec7bb2e651ba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.09696",
    "kind": "arxiv",
    "version": 2
  }
}