Pith Number

pith:JR5RF67U

pith:2025:JR5RF67UH2H3F5BH7QVIFYXDQH

not attested not anchored not stored refs pending

Taming the Randomness: Towards Label-Preserving Cropping in Contrastive Learning

Mohamed Hassan, Mohammad Wasil, Sebastian Houben

arxiv:2504.19824 v1 · 2025-04-28 · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JR5RF67UH2H3F5BH7QVIFYXDQH}

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	2026-07-05T10:55:03.860087Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4c7b12fbf43e8fb2f427fc2a82e2e381ce08ea138c6dd3d455b2c28d19b1c695

Aliases

arxiv: 2504.19824 · arxiv_version: 2504.19824v1 · doi: 10.48550/arxiv.2504.19824 · pith_short_12: JR5RF67UH2H3 · pith_short_16: JR5RF67UH2H3F5BH · pith_short_8: JR5RF67U

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/JR5RF67UH2H3F5BH7QVIFYXDQH \
  | 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: 4c7b12fbf43e8fb2f427fc2a82e2e381ce08ea138c6dd3d455b2c28d19b1c695

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "326ec2d6b7031ea28354dc2879d80d24bacd2ce490069f7f38881d16f44ac86a",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2025-04-28T14:24:25Z",
    "title_canon_sha256": "5702d315adbb9721603b618f1acad0eb7004dbcf2146402d63f4356c9c9530a3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.19824",
    "kind": "arxiv",
    "version": 1
  }
}