Pith Number

pith:WW2DJOLD

pith:2022:WW2DJOLDRVQXBWYQXV6LNPOO7V

not attested not anchored not stored refs pending

Connect, Not Collapse: Explaining Contrastive Learning for Unsupervised Domain Adaptation

Ananya Kumar, Jeff Z. HaoChen, Kendrick Shen, Percy Liang, Robbie Jones, Sang Michael Xie, Tengyu Ma

arxiv:2204.00570 v4 · 2022-04-01 · cs.LG · 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{WW2DJOLDRVQXBWYQXV6LNPOO7V}

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	2026-07-05T05:21:41.183434Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b5b434b9638d6170db10bd7cb6bdcefd702d36b583ad13487f015222cee3b34e

Aliases

arxiv: 2204.00570 · arxiv_version: 2204.00570v4 · doi: 10.48550/arxiv.2204.00570 · pith_short_12: WW2DJOLDRVQX · pith_short_16: WW2DJOLDRVQXBWYQ · pith_short_8: WW2DJOLD

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/WW2DJOLDRVQXBWYQXV6LNPOO7V \
  | 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: b5b434b9638d6170db10bd7cb6bdcefd702d36b583ad13487f015222cee3b34e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "68c50f367f34f3fa9dde9a218a3f70c6e8426dd74a5574539de597a91956b2f5",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2022-04-01T16:56:26Z",
    "title_canon_sha256": "f7db776f3fa4b79e019c4a44a8b93568dc8f6c9e7b765e0671dc235f4000866f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2204.00570",
    "kind": "arxiv",
    "version": 4
  }
}