Pith Number

pith:32HILPGW

pith:2021:32HILPGW4JKXG5CN3TP36VSJMM

not attested not anchored not stored refs pending

With a Little Help from My Friends: Nearest-Neighbor Contrastive Learning of Visual Representations

Andrew Zisserman, Debidatta Dwibedi, Jonathan Tompson, Pierre Sermanet, Yusuf Aytar

arxiv:2104.14548 v2 · 2021-04-29 · 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{32HILPGW4JKXG5CN3TP36VSJMM}

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

2 papers in Pith

Promptbreeder: Self-Referential Self-Improvement Via Prompt Evolution

Vision Transformers Need Registers

Receipt and verification

First computed	2026-07-05T03:20:35.816591Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

de8e85bcd6e25573744ddcdfbf5649631ed58cb0daac1c7916404f8ba4b303a4

Aliases

arxiv: 2104.14548 · arxiv_version: 2104.14548v2 · doi: 10.48550/arxiv.2104.14548 · pith_short_12: 32HILPGW4JKX · pith_short_16: 32HILPGW4JKXG5CN · pith_short_8: 32HILPGW

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/32HILPGW4JKXG5CN3TP36VSJMM \
  | 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: de8e85bcd6e25573744ddcdfbf5649631ed58cb0daac1c7916404f8ba4b303a4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3411ad54c32e927cc57a5cbcfd05be35babd54bd53b5895bf9c826b2c5bb4317",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-04-29T17:56:08Z",
    "title_canon_sha256": "ad248f6920255bacbf4031c4af928b6f26fefa0eeff36d77eb16ebc1d745bfd3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.14548",
    "kind": "arxiv",
    "version": 2
  }
}