Pith Number

pith:NPCD2FKX

pith:2023:NPCD2FKXIAPAHOYHW4TUXFQCRB

not attested not anchored not stored refs pending

Threshold KNN-Shapley: A Linear-Time and Privacy-Friendly Approach to Data Valuation

Jiachen T. Wang, Prateek Mittal, Ruoxi Jia, Yuqing Zhu, Yu-Xiang Wang

arxiv:2308.15709 v2 · 2023-08-30 · cs.LG · cs.CR · cs.GT · stat.ML

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NPCD2FKXIAPAHOYHW4TUXFQCRB}

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

Is Data Shapley Not Better than Random in Data Selection? Ask NASH

Receipt and verification

First computed	2026-07-05T07:16:45.793991Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6bc43d1557401e03bb07b7274b9602887da4cfa8ed2e864433a6b7581d0a7020

Aliases

arxiv: 2308.15709 · arxiv_version: 2308.15709v2 · doi: 10.48550/arxiv.2308.15709 · pith_short_12: NPCD2FKXIAPA · pith_short_16: NPCD2FKXIAPAHOYH · pith_short_8: NPCD2FKX

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/NPCD2FKXIAPAHOYHW4TUXFQCRB \
  | 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: 6bc43d1557401e03bb07b7274b9602887da4cfa8ed2e864433a6b7581d0a7020

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "99bc70559d3232910f9c0cef6840920d1521b4b7f9c15acc2b5152e201c12c88",
    "cross_cats_sorted": [
      "cs.CR",
      "cs.GT",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2023-08-30T02:12:00Z",
    "title_canon_sha256": "dcd1b1cea4519f3095afdd2d8f2c40a0fa8c5eeed8528e3ce27e5bd1144024cc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2308.15709",
    "kind": "arxiv",
    "version": 2
  }
}