Pith Number

pith:OPSOBSPJ

pith:2024:OPSOBSPJ5WGRBZ5KKYB53H3QSO

not attested not anchored not stored refs pending

Measuring memorization in language models via probabilistic extraction

A. Feder Cooper, Christopher A. Choquette-Choo, Harsh Chaudhari, Ilia Shumailov, Itay Yona, Jamie Hayes, Katherine Lee, Marika Swanberg, Milad Nasr

arxiv:2410.19482 v3 · 2024-10-25 · 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{OPSOBSPJ5WGRBZ5KKYB53H3QSO}

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	2026-07-05T10:35:39.464221Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

73e4e0c9e9ed8d10e7aa5603dd9f7093a10151ac4bbf4b0fcfd3de0cb3a17054

Aliases

arxiv: 2410.19482 · arxiv_version: 2410.19482v3 · doi: 10.48550/arxiv.2410.19482 · pith_short_12: OPSOBSPJ5WGR · pith_short_16: OPSOBSPJ5WGRBZ5K · pith_short_8: OPSOBSPJ

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/OPSOBSPJ5WGRBZ5KKYB53H3QSO \
  | 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: 73e4e0c9e9ed8d10e7aa5603dd9f7093a10151ac4bbf4b0fcfd3de0cb3a17054

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "90cddf191690a9dc48d5f22eb24aa0adf6b06f5e9529eb03c99feedfd7a85f6b",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2024-10-25T11:37:04Z",
    "title_canon_sha256": "9bbe4addd367148c7fa6eab1c41d918c7073104819f9cb939d6d018a66605cf8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2410.19482",
    "kind": "arxiv",
    "version": 3
  }
}