Pith Number

pith:L4SZHQ2X

pith:2021:L4SZHQ2X2SY3YCPHKS3W33GXL5

not attested not anchored not stored refs pending

Finding Significant Features for Few-Shot Learning using Dimensionality Reduction

Andres Mendez-Vazquez, Gilberto Ochoa-Ruiz, Ivan Garcia Jorge Gonzalez-Zapata, Mauricio Mendez-Ruiz

arxiv:2107.06992 v1 · 2021-07-06 · cs.LG · 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{L4SZHQ2X2SY3YCPHKS3W33GXL5}

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	2026-07-05T03:50:01.269871Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5f2593c357d4b1bc09e754b76decd75f7337c5a9ecfcc388a8431f4a64202ecd

Aliases

arxiv: 2107.06992 · arxiv_version: 2107.06992v1 · doi: 10.48550/arxiv.2107.06992 · pith_short_12: L4SZHQ2X2SY3 · pith_short_16: L4SZHQ2X2SY3YCPH · pith_short_8: L4SZHQ2X

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/L4SZHQ2X2SY3YCPHKS3W33GXL5 \
  | 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: 5f2593c357d4b1bc09e754b76decd75f7337c5a9ecfcc388a8431f4a64202ecd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7d57a4030afc12401ebdab99cd7628bd66f26bdb5e531f700719c171da25afeb",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-07-06T16:36:57Z",
    "title_canon_sha256": "0f49ed8cf70f4c015528a751511fcf3f18b7c0417d02835769c77bcfdd06e9b4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.06992",
    "kind": "arxiv",
    "version": 1
  }
}