Pith Number

pith:PLYI2QF2

pith:2021:PLYI2QF2GLZ4YG7HVTJUYEZQ22

not attested not anchored not stored refs pending

Disentangled Contrastive Learning for Learning Robust Textual Representations

Hongbin Ye, Huajun Chen, Ningyu Zhang, Shumin Deng, Xiang Chen, Xin Xie, Zhen Bi

arxiv:2104.04907 v2 · 2021-04-11 · cs.CL · cs.AI · cs.IR · 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{PLYI2QF2GLZ4YG7HVTJUYEZQ22}

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	2026-07-05T05:35:41.476778Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7af08d40ba32f3cc1be7acd34c1330d6bee9816719bfd1e2bb09e5f207a12262

Aliases

arxiv: 2104.04907 · arxiv_version: 2104.04907v2 · doi: 10.48550/arxiv.2104.04907 · pith_short_12: PLYI2QF2GLZ4 · pith_short_16: PLYI2QF2GLZ4YG7H · pith_short_8: PLYI2QF2

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/PLYI2QF2GLZ4YG7HVTJUYEZQ22 \
  | 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: 7af08d40ba32f3cc1be7acd34c1330d6bee9816719bfd1e2bb09e5f207a12262

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7ea91cb58f1b650aeaeccccf004de6e4baeaf9fb55132c4b987b6a269b694238",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.IR",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2021-04-11T03:32:49Z",
    "title_canon_sha256": "0e9ce17f55d995eb4c1242e91e11554b17ba7d2c654b0e7f4d6e78071014b458"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.04907",
    "kind": "arxiv",
    "version": 2
  }
}