Pith Number

pith:T6WK32VV

pith:2021:T6WK32VVE22GYDQEFBUF462WSL

not attested not anchored not stored refs pending

CUPID: Adaptive Curation of Pre-training Data for Video-and-Language Representation Learning

Jingjing Liu, Lei Zhang, Luowei Zhou, Yu Cheng, Zhe Gan

arxiv:2104.00285 v2 · 2021-04-01 · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{T6WK32VVE22GYDQEFBUF462WSL}

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

1 paper in Pith

A Survey on Data Curation for Visual Contrastive Learning: Why Crafting Effective Positive and Negative Pairs Matters

Receipt and verification

First computed	2026-07-05T02:31:23.569878Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9facadeab526b46c0e0428685e7b5692d6d80afa7627bd69602da48e3ab39654

Aliases

arxiv: 2104.00285 · arxiv_version: 2104.00285v2 · doi: 10.48550/arxiv.2104.00285 · pith_short_12: T6WK32VVE22G · pith_short_16: T6WK32VVE22GYDQE · pith_short_8: T6WK32VV

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/T6WK32VVE22GYDQEFBUF462WSL \
  | 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: 9facadeab526b46c0e0428685e7b5692d6d80afa7627bd69602da48e3ab39654

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "72e2938ca40aab4f3a09b86bfc18b36fd67c3a61fd532197d86e3b354abbb852",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-04-01T06:42:16Z",
    "title_canon_sha256": "368b99d92363d552f52b3b944870d1799c118f5caf4f7d3816fd5d77775fe8e5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.00285",
    "kind": "arxiv",
    "version": 2
  }
}