Pith Number

pith:EUB7QNNS

pith:2018:EUB7QNNSNMLCWLNHQCTBWQBWXR

not attested not anchored not stored refs pending

Unsupervised Feature Learning via Non-Parametric Instance-level Discrimination

Dahua Lin, Stella Yu, Yuanjun Xiong, Zhirong Wu

arxiv:1805.01978 v1 · 2018-05-05 · cs.CV · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EUB7QNNSNMLCWLNHQCTBWQBWXR}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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

Self-organized MT Direction Maps Emerge from Spatiotemporal Contrastive Optimization

Zero-shot World Models Are Developmentally Efficient Learners

Receipt and verification

First computed	2026-05-18T00:16:41.381277Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2503f835b26b162b2da780a61b4036bc475fb37bba3a5cda038048e5a8b47fd3

Aliases

arxiv: 1805.01978 · arxiv_version: 1805.01978v1 · doi: 10.48550/arxiv.1805.01978 · pith_short_12: EUB7QNNSNMLC · pith_short_16: EUB7QNNSNMLCWLNH · pith_short_8: EUB7QNNS

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/EUB7QNNSNMLCWLNHQCTBWQBWXR \
  | 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: 2503f835b26b162b2da780a61b4036bc475fb37bba3a5cda038048e5a8b47fd3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c33629046364510bc8b1ba577a359c995291334f9fb0daf1592cb6e90dba900b",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-05-05T00:47:01Z",
    "title_canon_sha256": "cad3b233dd619bb3e159a8b86ca3bf12911af5fdb4f2b0e2e383355e0c6d8d50"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.01978",
    "kind": "arxiv",
    "version": 1
  }
}