Pith Number

pith:R5HWU6YS

pith:2020:R5HWU6YS3GYNLOQCNKZNZADYCL

not attested not anchored not stored refs pending

DeepEMD: Differentiable Earth Mover's Distance for Few-Shot Learning

Chi Zhang, Chunhua Shen, Guosheng Lin, Yujun Cai

arxiv:2003.06777 v5 · 2020-03-15 · cs.CV · cs.LG · eess.IV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{R5HWU6YS3GYNLOQCNKZNZADYCL}

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	2026-07-05T05:56:25.173913Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8f4f6a7b12d9b0d5ba026ab2dc807812cb59cb013b7f7192c9b037950750d9af

Aliases

arxiv: 2003.06777 · arxiv_version: 2003.06777v5 · doi: 10.48550/arxiv.2003.06777 · pith_short_12: R5HWU6YS3GYN · pith_short_16: R5HWU6YS3GYNLOQC · pith_short_8: R5HWU6YS

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/R5HWU6YS3GYNLOQCNKZNZADYCL \
  | 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: 8f4f6a7b12d9b0d5ba026ab2dc807812cb59cb013b7f7192c9b037950750d9af

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "29a80a6f09380505aa85a35a1db25162d3dd3b6847d84b350e0b3e3d1e1f1790",
    "cross_cats_sorted": [
      "cs.LG",
      "eess.IV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2020-03-15T08:13:16Z",
    "title_canon_sha256": "73fcdbb48fdef9a2e9aa0a739c48104be1b5b57992e7fb1b5161f20a3f3a97e6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2003.06777",
    "kind": "arxiv",
    "version": 5
  }
}