Pith Number

pith:AECYV3MK

pith:2026:AECYV3MKHVJR5XMA5HHTQQPY37

not attested not anchored not stored refs pending

CroCo: Cross-Lingual Contrastive Preference Tuning on Self-Generations

Ali Basirat, Desmond Elliott, Mike Zhang

arxiv:2605.26293 v1 · 2026-05-25 · cs.CL · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AECYV3MKHVJR5XMA5HHTQQPY37}

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	2026-05-27T01:05:10.479338Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

01058aed8a3d531edd80e9cf3841f8dfc683f55cfd2a722b53076758f965eb19

Aliases

arxiv: 2605.26293 · arxiv_version: 2605.26293v1 · doi: 10.48550/arxiv.2605.26293 · pith_short_12: AECYV3MKHVJR · pith_short_16: AECYV3MKHVJR5XMA · pith_short_8: AECYV3MK

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/AECYV3MKHVJR5XMA5HHTQQPY37 \
  | 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: 01058aed8a3d531edd80e9cf3841f8dfc683f55cfd2a722b53076758f965eb19

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "803becbb7afb01b892eca6e976d1065e4c04d179e8edb3b69f3cb5742693fc98",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-05-25T19:30:45Z",
    "title_canon_sha256": "b2ae42fe4febe8d3aa173270fe9edff3cedc11cbdab402fd45a1080aaf112c00"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.26293",
    "kind": "arxiv",
    "version": 1
  }
}