Pith Number

pith:5IEVLLHV

pith:2021:5IEVLLHVL6CERV2W3RSDSPWRYX

not attested not anchored not stored refs pending

Divide and Contrast: Self-supervised Learning from Uncurated Data

Aaron van den Oord, Olivier J. Henaff, Yonglong Tian

arxiv:2105.08054 v1 · 2021-05-17 · 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{5IEVLLHVL6CERV2W3RSDSPWRYX}

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	2026-07-05T02:40:47.335126Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ea0955acf55f8448d756dc64393ed1c5d9f09ceba8b6c7262f0274783e419d33

Aliases

arxiv: 2105.08054 · arxiv_version: 2105.08054v1 · doi: 10.48550/arxiv.2105.08054 · pith_short_12: 5IEVLLHVL6CE · pith_short_16: 5IEVLLHVL6CERV2W · pith_short_8: 5IEVLLHV

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/5IEVLLHVL6CERV2W3RSDSPWRYX \
  | 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: ea0955acf55f8448d756dc64393ed1c5d9f09ceba8b6c7262f0274783e419d33

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e3feec5f144010ed79cbc368fd3603e3ae35ed8bb09a16ea9b246e77c23e1fff",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-05-17T17:59:03Z",
    "title_canon_sha256": "10af960e526959812a9cd44782af28643fcdcdb2488203c1b6b279bd2edc0f29"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.08054",
    "kind": "arxiv",
    "version": 1
  }
}