Pith Number

pith:PX22RPVB

pith:2020:PX22RPVBQX5BOAKLCJO5ECX4E6

not attested not anchored not stored refs pending

COBRA: Contrastive Bi-Modal Representation Algorithm

Abhishek Maiti, Deepak Srivatsav, Rajiv Ratn Shah, Suryatej Reddy Vyalla, Vishaal Udandarao, Yifang Yin

arxiv:2005.03687 v2 · 2020-05-07 · cs.LG · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PX22RPVBQX5BOAKLCJO5ECX4E6}

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	2026-07-05T01:05:27.346993Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7df5a8bea185fa17014b125dd20afc279d71b45142f712eb699df0391cc41bd1

Aliases

arxiv: 2005.03687 · arxiv_version: 2005.03687v2 · doi: 10.48550/arxiv.2005.03687 · pith_short_12: PX22RPVBQX5B · pith_short_16: PX22RPVBQX5BOAKL · pith_short_8: PX22RPVB

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/PX22RPVBQX5BOAKLCJO5ECX4E6 \
  | 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: 7df5a8bea185fa17014b125dd20afc279d71b45142f712eb699df0391cc41bd1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0e9e015c59a033d8f014bcfd84c815587d96ff8fceb18a89e4a98220284bc8a4",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2020-05-07T18:20:12Z",
    "title_canon_sha256": "9c2514e63042f2a0129d390445f3038248093a79fd7c1dd8f7f668804a580a04"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2005.03687",
    "kind": "arxiv",
    "version": 2
  }
}