Pith Number

pith:2FIHLISM

pith:2026:2FIHLISMVWCUGYQKMO2Q33YVVH

not attested not anchored not stored refs pending

A Theory of Contrastive Learning with Natural Images

Antonio Torralba, Yair Weiss

arxiv:2607.07470 v1 · 2026-07-08 · 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{2FIHLISMVWCUGYQKMO2Q33YVVH}

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	2026-07-09T01:20:25.811948Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d15075a24cad8543620a63b50def15a9d320e767b877e0efdce86d3e3138253f

Aliases

arxiv: 2607.07470 · arxiv_version: 2607.07470v1 · doi: 10.48550/arxiv.2607.07470 · pith_short_12: 2FIHLISMVWCU · pith_short_16: 2FIHLISMVWCUGYQK · pith_short_8: 2FIHLISM

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/2FIHLISMVWCUGYQKMO2Q33YVVH \
  | 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: d15075a24cad8543620a63b50def15a9d320e767b877e0efdce86d3e3138253f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a3955e65830c4e71e90b242673c42fd4ac7f51bac5f6559cd446a3a23336e4f0",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2026-07-08T14:32:44Z",
    "title_canon_sha256": "dd07c0f8aa0c57aaf036fe10f0d6adca7afe7470b523779e02065f9b7455d54b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.07470",
    "kind": "arxiv",
    "version": 1
  }
}