Pith Number

pith:TYSUFJVQ

pith:2024:TYSUFJVQIWQPGI7JDDNLZCDWI4

not attested not anchored not stored refs pending

The Files are in the Computer: On Copyright, Memorization, and Generative AI

A. Feder Cooper, James Grimmelmann

arxiv:2404.12590 v7 · 2024-04-19 · cs.CY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TYSUFJVQIWQPGI7JDDNLZCDWI4}

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

1 paper in Pith

Extracting memorized pieces of (copyrighted) books from open-weight language models

Receipt and verification

First computed	2026-07-05T12:02:33.900297Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9e2542a6b045a0f323e918dabc88764705cb3b6e9fdd63ee7bff5ab4c279eae6

Aliases

arxiv: 2404.12590 · arxiv_version: 2404.12590v7 · doi: 10.48550/arxiv.2404.12590 · pith_short_12: TYSUFJVQIWQP · pith_short_16: TYSUFJVQIWQPGI7J · pith_short_8: TYSUFJVQ

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/TYSUFJVQIWQPGI7JDDNLZCDWI4 \
  | 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: 9e2542a6b045a0f323e918dabc88764705cb3b6e9fdd63ee7bff5ab4c279eae6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9d5b6734fda576f31b269d1a62b9c6f27a8d9528b5286f976e3cb5fc66856d7c",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2024-04-19T02:37:09Z",
    "title_canon_sha256": "8e1ea822ffb87dd9711843e273de357350b05eae03c71b6089509cd61ffecddd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2404.12590",
    "kind": "arxiv",
    "version": 7
  }
}