Pith Number

pith:MYMWWNFS

pith:2021:MYMWWNFSPE7QTBMCKTD5HSRATG

not attested not anchored not stored refs pending

A Low Rank Promoting Prior for Unsupervised Contrastive Learning

Hongyang Chao, Jingyang Lin, Qi Cai, Tao Mei, Ting Yao, Yingwei Pan, Yu Wang

arxiv:2108.02696 v1 · 2021-08-05 · cs.CV · cs.AI · 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{MYMWWNFSPE7QTBMCKTD5HSRATG}

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	2026-07-05T03:03:35.435725Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

66196b34b2793f09858254c7d3ca209984c059bb6d23715d9dbb30a87bae88c1

Aliases

arxiv: 2108.02696 · arxiv_version: 2108.02696v1 · doi: 10.48550/arxiv.2108.02696 · pith_short_12: MYMWWNFSPE7Q · pith_short_16: MYMWWNFSPE7QTBMC · pith_short_8: MYMWWNFS

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/MYMWWNFSPE7QTBMCKTD5HSRATG \
  | 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: 66196b34b2793f09858254c7d3ca209984c059bb6d23715d9dbb30a87bae88c1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b72c0b6120433f299ff2bcb319f042e999ffd59e193aa850c6600ecee2d4942c",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-08-05T15:58:25Z",
    "title_canon_sha256": "d76b5da2117eac518321bd4c2c0c4a017a91196baa7fc070793777604d626a77"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.02696",
    "kind": "arxiv",
    "version": 1
  }
}