Pith Number

pith:HQ6DIQYZ

pith:2018:HQ6DIQYZ3C6VW5POVW3SA2CKPH

not attested not anchored not stored refs pending

Gradient-Based Meta-Learning with Learned Layerwise Metric and Subspace

Seungjin Choi, Yoonho Lee

arxiv:1801.05558 v3 · 2018-01-17 · stat.ML · 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{HQ6DIQYZ3C6VW5POVW3SA2CKPH}

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	2026-05-18T00:13:15.429280Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3c3c344319d8bd5b75eeadb720684a79cbe26d0971167b6c5bc98cb3e8ffe9d1

Aliases

arxiv: 1801.05558 · arxiv_version: 1801.05558v3 · doi: 10.48550/arxiv.1801.05558 · pith_short_12: HQ6DIQYZ3C6V · pith_short_16: HQ6DIQYZ3C6VW5PO · pith_short_8: HQ6DIQYZ

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/HQ6DIQYZ3C6VW5POVW3SA2CKPH \
  | 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: 3c3c344319d8bd5b75eeadb720684a79cbe26d0971167b6c5bc98cb3e8ffe9d1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dad0dad8ad79e746e9f2b1547cb13dd2b5dee91a8c0a2ece48948fa9135ff849",
    "cross_cats_sorted": [
      "cs.CV",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2018-01-17T05:34:08Z",
    "title_canon_sha256": "a5588b9138b55855f099d561d0670c1181a2e3b30d4a22067226918b4cd06b07"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.05558",
    "kind": "arxiv",
    "version": 3
  }
}