Pith Number

pith:KDXIWPXU

pith:2026:KDXIWPXUE64RE2XA62FBR57QBG

not attested not anchored not stored refs pending

Efficient privacy loss accounting for subsampling and random allocation

Moshe Shenfeld, Vitaly Feldman

arxiv:2602.17284 v2 · 2026-02-19 · 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{KDXIWPXUE64RE2XA62FBR57QBG}

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.

Cited by

2 papers in Pith

Provable Robustness against Backdoor Attacks via the Primal-Dual Perspective on Differential Privacy

Less Random, More Private: What is the Optimal Subsampling Scheme for DP-SGD?

Receipt and verification

First computed	2026-07-07T02:19:47.263494Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

50ee8b3ef427b9126ae0f68a18f7f009876ce8e7ff8c216fd30a0c4b11dace1d

Aliases

arxiv: 2602.17284 · arxiv_version: 2602.17284v2 · doi: 10.48550/arxiv.2602.17284 · pith_short_12: KDXIWPXUE64R · pith_short_16: KDXIWPXUE64RE2XA · pith_short_8: KDXIWPXU

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/KDXIWPXUE64RE2XA62FBR57QBG \
  | 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: 50ee8b3ef427b9126ae0f68a18f7f009876ce8e7ff8c216fd30a0c4b11dace1d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "89eb8216439b8a235aebad472b01e568153aeff3ac20fe7502b9a40a1ce90567",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-02-19T11:44:25Z",
    "title_canon_sha256": "e623951d02b6073ef04a41bb285bed36c7daed4b2c187110b6bbc731e71c6870"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2602.17284",
    "kind": "arxiv",
    "version": 2
  }
}