Pith Number

pith:MQLF6WX2

pith:2025:MQLF6WX2M4IZB772EBQYQKLKHJ

not attested not anchored not stored refs pending

MAGIC: Near-Optimal Data Attribution for Deep Learning

Andrew Ilyas, Logan Engstrom

arxiv:2504.16430 v1 · 2025-04-23 · cs.LG · cs.CL · cs.CV · 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{MQLF6WX2M4IZB772EBQYQKLKHJ}

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

6 papers in Pith

Prototype Language Models

Position: Don't Just "Fix it in Post": A Science of AI Must Study Training Dynamics

Small edits, large models: How Wikipedia advocacy shapes LLM values

How Faithful Is Trajectory-Based Data Attribution? Error Sources, Remedies, and Practical Guidelines

Efficient Estimation of Kernel Surrogate Models for Task Attribution

Receipt and verification

First computed	2026-07-05T10:52:46.568531Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

64165f5afa671190fffa206188296a3a58931a1450612cc360869e297a5e1756

Aliases

arxiv: 2504.16430 · arxiv_version: 2504.16430v1 · doi: 10.48550/arxiv.2504.16430 · pith_short_12: MQLF6WX2M4IZ · pith_short_16: MQLF6WX2M4IZB772 · pith_short_8: MQLF6WX2

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/MQLF6WX2M4IZB772EBQYQKLKHJ \
  | 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: 64165f5afa671190fffa206188296a3a58931a1450612cc360869e297a5e1756

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eb7becc657418229f1772d2b36e7f3babf5e99b2b0a75d940653f43ff798003f",
    "cross_cats_sorted": [
      "cs.CL",
      "cs.CV",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-04-23T05:32:37Z",
    "title_canon_sha256": "671866c480260a45342dd06960d2d4437761d0a7b602ac96c82f475e358189ea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.16430",
    "kind": "arxiv",
    "version": 1
  }
}