Pith Number

pith:LKE4GYXF

pith:2022:LKE4GYXFI356ZDDWI3BG7TTUCF

not attested not anchored not stored refs pending

Mere Contrastive Learning for Cross-Domain Sentiment Analysis

Fang Guo, Yue Zhang, Yun Luo, Zihan Liu

arxiv:2208.08678 v1 · 2022-08-18 · cs.CL · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LKE4GYXFI356ZDDWI3BG7TTUCF}

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	2026-07-05T04:49:36.594388Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5a89c362e546fbec8c7646c26fce74117815db9305c3aa500efff097f07f2d72

Aliases

arxiv: 2208.08678 · arxiv_version: 2208.08678v1 · doi: 10.48550/arxiv.2208.08678 · pith_short_12: LKE4GYXFI356 · pith_short_16: LKE4GYXFI356ZDDW · pith_short_8: LKE4GYXF

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/LKE4GYXFI356ZDDWI3BG7TTUCF \
  | 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: 5a89c362e546fbec8c7646c26fce74117815db9305c3aa500efff097f07f2d72

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f27ce5541a2e547111f072f548f94aa0f1c369d423a92e168482447960d2789c",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2022-08-18T07:25:55Z",
    "title_canon_sha256": "0f8469978824467225ff541b4477d67781b9574771416545d29da8982442134f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2208.08678",
    "kind": "arxiv",
    "version": 1
  }
}