Pith Number

pith:EGM7EU6H

pith:2026:EGM7EU6HVNQZALU2AI5U3RNQX7

not attested not anchored not stored refs pending

Representation Unlearning: Forgetting through Information Compression

Alfonso Ortega, Antonio Almud\'evar

arxiv:2601.21564 v2 · 2026-01-29 · 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{EGM7EU6HVNQZALU2AI5U3RNQX7}

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	2026-05-29T02:05:39.888808Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2199f253c7ab61902e9a023b4dc5b0bff928f3156b97bc361c51864ac3561774

Aliases

arxiv: 2601.21564 · arxiv_version: 2601.21564v2 · doi: 10.48550/arxiv.2601.21564 · pith_short_12: EGM7EU6HVNQZ · pith_short_16: EGM7EU6HVNQZALU2 · pith_short_8: EGM7EU6H

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/EGM7EU6HVNQZALU2AI5U3RNQX7 \
  | 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: 2199f253c7ab61902e9a023b4dc5b0bff928f3156b97bc361c51864ac3561774

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0681be259a203b07d52457ddc1355649d4a147f9f1cc29787af79872954d7c6b",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-01-29T11:28:02Z",
    "title_canon_sha256": "bf64a8489ce8c6cc1c053101850d405b576b917492aff95cb188e7b53a87e927"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2601.21564",
    "kind": "arxiv",
    "version": 2
  }
}