Pith Number

pith:3VW6GPYH

pith:2026:3VW6GPYH6PXXCZCE7L6QPWGYYP

not attested not anchored not stored refs pending

Sequential Subspace Noise Injection Prevents Accuracy Collapse in Certified Unlearning

Polina Dolgova, Sebastian U. Stich

arxiv:2601.05134 v2 · 2026-01-08 · 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{3VW6GPYH6PXXCZCE7L6QPWGYYP}

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	2026-06-01T02:03:32.349698Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dd6de33f07f3ef716444fafd07d8d8c3e59579ebd2733310ed140e30b866cc7c

Aliases

arxiv: 2601.05134 · arxiv_version: 2601.05134v2 · doi: 10.48550/arxiv.2601.05134 · pith_short_12: 3VW6GPYH6PXX · pith_short_16: 3VW6GPYH6PXXCZCE · pith_short_8: 3VW6GPYH

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/3VW6GPYH6PXXCZCE7L6QPWGYYP \
  | 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: dd6de33f07f3ef716444fafd07d8d8c3e59579ebd2733310ed140e30b866cc7c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aa1a979b0cc4a7f1d98af860cb1b3ce0394a8afddd314935044217deb97d0d85",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-01-08T17:23:13Z",
    "title_canon_sha256": "ae25d0824d26e5ecc0af9de2daecabe418a85a5a79f622c120d477ff2e352f0d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2601.05134",
    "kind": "arxiv",
    "version": 2
  }
}