Pith Number

pith:6SAHBDGA

pith:2025:6SAHBDGAO6DA4Z4NQSS26FSBBY

not attested not anchored not stored refs pending

When unlearning is free: leveraging low influence points to reduce computational costs

Anat Kleiman, Ben Deaner, Robert Fisher, Udi Wieder

arxiv:2512.05254 v2 · 2025-12-04 · 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{6SAHBDGAO6DA4Z4NQSS26FSBBY}

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	2026-07-31T01:08:54.989462Z
Builder	pith-number-builder-2026-05-17-v1
Signature	unsigned_v0
Schema	pith-number/v1.0

Canonical hash

f480708cc077860e678d84a5af16410e1725791e461a6a565392ef43319ff0bb

Aliases

arxiv: 2512.05254 · arxiv_version: 2512.05254v2 · doi: 10.48550/arxiv.2512.05254 · pith_short_12: 6SAHBDGAO6DA · pith_short_16: 6SAHBDGAO6DA4Z4N · pith_short_8: 6SAHBDGA

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/6SAHBDGAO6DA4Z4NQSS26FSBBY \
  | 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: f480708cc077860e678d84a5af16410e1725791e461a6a565392ef43319ff0bb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ae8bf78480b62d01d54d515e284cce34bf52e08c003f01211080d67a03d86754",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-12-04T21:10:31Z",
    "title_canon_sha256": "ab7722c280130fbed64d464941ee9a9ca7f9edc6931cc678e820f55fcf974480"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2512.05254",
    "kind": "arxiv",
    "version": 2
  }
}