Pith Number

pith:DUZ5DK77

pith:2025:DUZ5DK7746B34UCI2UQIHWHGZJ

not attested not anchored not stored refs pending

Multi-level Supervised Contrastive Learning

Barbod Pajoum, Harshit Rawal, Marius Kloft, Naghmeh Ghanooni, Sophie Fellenz, Vo Nguyen Le Duy

arxiv:2502.02202 v2 · 2025-02-04 · 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{DUZ5DK7746B34UCI2UQIHWHGZJ}

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.

Cited by

1 paper in Pith

Beyond Flat Labels: Level-Restricted Contrastive Learning for Hierarchical Fine-Grained Vision Classification

Receipt and verification

First computed	2026-07-05T10:09:52.896157Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1d33d1abffe783be5048d52083d8e6ca736c5642926b3667f8b4d8de7bdf7f06

Aliases

arxiv: 2502.02202 · arxiv_version: 2502.02202v2 · doi: 10.48550/arxiv.2502.02202 · pith_short_12: DUZ5DK7746B3 · pith_short_16: DUZ5DK7746B34UCI · pith_short_8: DUZ5DK77

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/DUZ5DK7746B34UCI2UQIHWHGZJ \
  | 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: 1d33d1abffe783be5048d52083d8e6ca736c5642926b3667f8b4d8de7bdf7f06

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a30468c08b1a5a9d36a17c387c8c83703697a9b74d53626818dfdf7e99d61b1c",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-02-04T10:27:54Z",
    "title_canon_sha256": "6a7105ff016599497e7a1a55dbfad8abb1710a62578e647f0c4c31a7c90b63dc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.02202",
    "kind": "arxiv",
    "version": 2
  }
}