Pith Number

pith:3Z7WOPWW

pith:2025:3Z7WOPWWQGVHAS3GVLFNG7J2HC

not attested not anchored not stored refs pending

The Space Complexity of Learning-Unlearning Algorithms

Abhishek Shetty, Ayush Sekhari, Nived Rajaraman, Sumegha Garg, Yeshwanth Cherapanamjeri

arxiv:2506.13048 v1 · 2025-06-16 · 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{3Z7WOPWWQGVHAS3GVLFNG7J2HC}

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	2026-07-05T11:22:04.344588Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

de7f673ed681aa704b66aacad37d3a389c34102fe44250321130787859057882

Aliases

arxiv: 2506.13048 · arxiv_version: 2506.13048v1 · doi: 10.48550/arxiv.2506.13048 · pith_short_12: 3Z7WOPWWQGVH · pith_short_16: 3Z7WOPWWQGVHAS3G · pith_short_8: 3Z7WOPWW

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/3Z7WOPWWQGVHAS3GVLFNG7J2HC \
  | 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: de7f673ed681aa704b66aacad37d3a389c34102fe44250321130787859057882

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0871b788122a4d5db13883623829e07e6cf9dc68e72221e6ce053e8629c3e7a5",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-06-16T02:31:41Z",
    "title_canon_sha256": "26eab0216711d65e2f38cb3a79f3635f2ed9f3d00144d4acd5a98447cdb2f429"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.13048",
    "kind": "arxiv",
    "version": 1
  }
}