Pith Number

pith:Y4ID74G2

pith:2021:Y4ID74G2ZM4YPDEXOI4OMPFY23

not attested not anchored not stored refs pending

Exploring Set Similarity for Dense Self-supervised Representation Learning

Guoxin Zhang, Mingming Gong, Nannan Wang, Pengfei Wan, Qiang Li, Tongliang Liu, Wen Zheng, Zhaoqing Wang

arxiv:2107.08712 v2 · 2021-07-19 · 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{Y4ID74G2ZM4YPDEXOI4OMPFY23}

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	2026-07-05T04:05:03.615522Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c7103ff0dacb39878c977238e63cb8d6e042b2625ddf39a9b2499e4f639dc04c

Aliases

arxiv: 2107.08712 · arxiv_version: 2107.08712v2 · doi: 10.48550/arxiv.2107.08712 · pith_short_12: Y4ID74G2ZM4Y · pith_short_16: Y4ID74G2ZM4YPDEX · pith_short_8: Y4ID74G2

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/Y4ID74G2ZM4YPDEXOI4OMPFY23 \
  | 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: c7103ff0dacb39878c977238e63cb8d6e042b2625ddf39a9b2499e4f639dc04c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d7bd589048bd6c5429ef59228c8996a657e3c5b10a2a7fa82f29a71f9e83892c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-07-19T09:38:27Z",
    "title_canon_sha256": "6da3a0ac6f9901b38f142afd24e6eb0acfef2f3112e275f438a014da65192ca7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.08712",
    "kind": "arxiv",
    "version": 2
  }
}