Pith Number

pith:K4Q5V4HX

pith:2024:K4Q5V4HXY2KAGOD5ZTMJCMUCWS

not attested not anchored not stored refs pending

Contrastive Learning Subspace for Text Clustering

Chen Chen, Qian Yong, Xiabing Zhou

arxiv:2408.14119 v1 · 2024-08-26 · 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{K4Q5V4HXY2KAGOD5ZTMJCMUCWS}

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	2026-07-05T08:59:16.532131Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5721daf0f7c69403387dccd8913282b483ef79637c2a6e3dc0c838333424ce3d

Aliases

arxiv: 2408.14119 · arxiv_version: 2408.14119v1 · doi: 10.48550/arxiv.2408.14119 · pith_short_12: K4Q5V4HXY2KA · pith_short_16: K4Q5V4HXY2KAGOD5 · pith_short_8: K4Q5V4HX

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/K4Q5V4HXY2KAGOD5ZTMJCMUCWS \
  | 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: 5721daf0f7c69403387dccd8913282b483ef79637c2a6e3dc0c838333424ce3d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b3f9ee6985f613924c91db1858cca6102f64d28d4e04e321930a24073a8c03a7",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2024-08-26T09:08:26Z",
    "title_canon_sha256": "e49895ad5f93ad91da6ee95e9dbfbd793fe4a21c51c95be70eddb290077293a0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2408.14119",
    "kind": "arxiv",
    "version": 1
  }
}