Pith Number

pith:5AIIDYFY

pith:2026:5AIIDYFYVN2LERYJRKK4VRFLST

not attested not anchored not stored refs pending

Reading the Finetuning Prior: Verbatim Content Recovery via Contrastive Decoding Diffing

Enrico Cassano, Micha{\l} Brzozowski, Neo Christopher Chung, Zuzanna Dubanowska

arxiv:2605.25902 v1 · 2026-05-25 · 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{5AIIDYFYVN2LERYJRKK4VRFLST}

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	2026-05-26T02:05:17.600578Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e81081e0b8ab74b247098a95cac4ab94ca3cd644ede4b10024b465bcdad3e87b

Aliases

arxiv: 2605.25902 · arxiv_version: 2605.25902v1 · doi: 10.48550/arxiv.2605.25902 · pith_short_12: 5AIIDYFYVN2L · pith_short_16: 5AIIDYFYVN2LERYJ · pith_short_8: 5AIIDYFY

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/5AIIDYFYVN2LERYJRKK4VRFLST \
  | 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: e81081e0b8ab74b247098a95cac4ab94ca3cd644ede4b10024b465bcdad3e87b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6dcb9c3bb40fe375d9434617c3dc11509b36492f5fbac7894d64d19187e30c91",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-05-25T14:29:36Z",
    "title_canon_sha256": "5825a819d7feeac1b5a1e408a2d0b9a6bfbf233865ee203bd7aafedd59ad5ba0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.25902",
    "kind": "arxiv",
    "version": 1
  }
}