Pith Number

pith:JASCWLRS

pith:2022:JASCWLRSPZHDMUGVFZIG7HRQFF

not attested not anchored not stored refs pending

Prospect Pruning: Finding Trainable Weights at Initialization using Meta-Gradients

Joost van Amersfoort, Luisa M Zintgraf, Milad Alizadeh, Nicholas Donald Lane, Sebastian Farquhar, Shyam A. Tailor, Yarin Gal

arxiv:2202.08132 v2 · 2022-02-16 · 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{JASCWLRSPZHDMUGVFZIG7HRQFF}

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	2026-07-05T04:11:30.494781Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

48242b2e327e4e3650d52e506f9e30297fc267975e73d673a91115ff376ca82b

Aliases

arxiv: 2202.08132 · arxiv_version: 2202.08132v2 · doi: 10.48550/arxiv.2202.08132 · pith_short_12: JASCWLRSPZHD · pith_short_16: JASCWLRSPZHDMUGV · pith_short_8: JASCWLRS

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/JASCWLRSPZHDMUGVFZIG7HRQFF \
  | 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: 48242b2e327e4e3650d52e506f9e30297fc267975e73d673a91115ff376ca82b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3e6ce9bdabfbecb5ed1259dc4bcda29744a11c6f240f5e4ca790330f93602b6e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2022-02-16T15:18:55Z",
    "title_canon_sha256": "32f8c4fb135c393c5df096542f5a69443d68cfe09d3776d846ec1fd3bfbe5754"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2202.08132",
    "kind": "arxiv",
    "version": 2
  }
}