Pith Number

pith:R3GDJ3QQ

pith:2020:R3GDJ3QQ3C2ZQDFYOKDE5SKEUU

not attested not anchored not stored refs pending

Differentiable Top-k Operator with Optimal Transport

Bo Dai, Hanjun Dai, Hongyuan Zha, Minshuo Chen, Tomas Pfister, Tuo Zhao, Wei Wei, Yujia Xie

arxiv:2002.06504 v2 · 2020-02-16 · cs.LG · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{R3GDJ3QQ3C2ZQDFYOKDE5SKEUU}

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

1 paper in Pith

LaPrune: Controllable Differentiable Sparsity at Million Scale

Receipt and verification

First computed	2026-07-05T00:42:00.815451Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8ecc34ee10d8b5980cb872864ec944a504ca70cab9d6bce352c38765ac3aa3e6

Aliases

arxiv: 2002.06504 · arxiv_version: 2002.06504v2 · doi: 10.48550/arxiv.2002.06504 · pith_short_12: R3GDJ3QQ3C2Z · pith_short_16: R3GDJ3QQ3C2ZQDFY · pith_short_8: R3GDJ3QQ

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/R3GDJ3QQ3C2ZQDFYOKDE5SKEUU \
  | 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: 8ecc34ee10d8b5980cb872864ec944a504ca70cab9d6bce352c38765ac3aa3e6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "db70121f04fd1d5ea46f0cfd73f3cd37996a59d2d482eab971ce2ff172334d33",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2020-02-16T04:57:52Z",
    "title_canon_sha256": "b19ed6d0417e05f91c5ee1f95fe7ace65b7721387a7024aa5a406ead3c6bd11e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.06504",
    "kind": "arxiv",
    "version": 2
  }
}