Pith Number

pith:WAHLWGFB

pith:2025:WAHLWGFBVVR6FER2ALD3EPJ3ZL

not attested not anchored not stored refs pending

Meta-Sparsity: Learning Optimal Sparse Structures in Multi-task Networks through Meta-learning

Marcus Liwicki, Rajkumar Saini, Richa Upadhyay, Ronald Phlypo

arxiv:2501.12115 v1 · 2025-01-21 · 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{WAHLWGFBVVR6FER2ALD3EPJ3ZL}

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	2026-07-05T10:03:31.691551Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b00ebb18a1ad63e2923a02c7b23d3bcaf6bbb5264438317ef6eb10796f31e326

Aliases

arxiv: 2501.12115 · arxiv_version: 2501.12115v1 · doi: 10.48550/arxiv.2501.12115 · pith_short_12: WAHLWGFBVVR6 · pith_short_16: WAHLWGFBVVR6FER2 · pith_short_8: WAHLWGFB

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/WAHLWGFBVVR6FER2ALD3EPJ3ZL \
  | 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: b00ebb18a1ad63e2923a02c7b23d3bcaf6bbb5264438317ef6eb10796f31e326

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1371d42ffefe7085dba29d0b6acd96a2279eff891acdcd1933cb4e81122b7206",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-01-21T13:25:32Z",
    "title_canon_sha256": "ae3533de23104e503fdb1115dca38c1649630f9cbe64fec02216a61c25a13d2b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.12115",
    "kind": "arxiv",
    "version": 1
  }
}