Pith Number

pith:7H4N4F6W

pith:2019:7H4N4F6WIX4ERDBZIFGUCHL2DE

not attested not anchored not stored refs pending

Meta-Learning with Differentiable Convex Optimization

Avinash Ravichandran, Kwonjoon Lee, Stefano Soatto, Subhransu Maji

arxiv:1904.03758 v2 · 2019-04-07 · cs.CV · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7H4N4F6WIX4ERDBZIFGUCHL2DE}

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

Rethinking the Good Enough Embedding for Easy Few-Shot Learning

Receipt and verification

First computed	2026-05-17T23:47:57.359336Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f9f8de17d645f8488c39414d411d7a1914202f38b42b43959ea89e417831b3db

Aliases

arxiv: 1904.03758 · arxiv_version: 1904.03758v2 · doi: 10.48550/arxiv.1904.03758 · pith_short_12: 7H4N4F6WIX4E · pith_short_16: 7H4N4F6WIX4ERDBZ · pith_short_8: 7H4N4F6W

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/7H4N4F6WIX4ERDBZIFGUCHL2DE \
  | 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: f9f8de17d645f8488c39414d411d7a1914202f38b42b43959ea89e417831b3db

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f623654169f549aaaa95c830df7b370c2257f678936a328539ac50097e010f13",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-04-07T22:23:42Z",
    "title_canon_sha256": "9c12b4ebf61f1b2191fb38e31e1e70b82270351b06d572e47271a58a5c3d08dc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.03758",
    "kind": "arxiv",
    "version": 2
  }
}