Pith Number

pith:W4J7XM3K

pith:2021:W4J7XM3KR5S53SEUFDKEMNK7OB

not attested not anchored not stored refs pending

CrossFit: A Few-shot Learning Challenge for Cross-task Generalization in NLP

Bill Yuchen Lin, Qinyuan Ye, Xiang Ren

arxiv:2104.08835 v2 · 2021-04-18 · 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{W4J7XM3KR5S53SEUFDKEMNK7OB}

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.

Cited by

3 papers in Pith

The Flan Collection: Designing Data and Methods for Effective Instruction Tuning

What Makes a Representation Good for Single-Cell Perturbation Prediction?

Multitask Prompted Training Enables Zero-Shot Task Generalization

Receipt and verification

First computed	2026-07-05T03:19:09.301784Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b713fbb36a8f65ddc89428d446355f704b59c0c20318966b382232ec8a3580ec

Aliases

arxiv: 2104.08835 · arxiv_version: 2104.08835v2 · doi: 10.48550/arxiv.2104.08835 · pith_short_12: W4J7XM3KR5S5 · pith_short_16: W4J7XM3KR5S53SEU · pith_short_8: W4J7XM3K

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/W4J7XM3KR5S53SEUFDKEMNK7OB \
  | 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: b713fbb36a8f65ddc89428d446355f704b59c0c20318966b382232ec8a3580ec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eb40a25456b0e7ce65ec2965451846cf36538e924326e5e63544554a136ebc44",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2021-04-18T12:14:46Z",
    "title_canon_sha256": "d7980232695beb7045b9d175bdd4a10c644549282d3dd4c22e0d1953795e3219"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.08835",
    "kind": "arxiv",
    "version": 2
  }
}