Pith Number

pith:X6MQAIDI

pith:2026:X6MQAIDIWOPHNYITQIMPAK7T36

not attested not anchored not stored refs pending

Causal Direct Preference Optimization for Distributionally Robust Generative Recommendation

Chu Zhao, Enneng Yang, Guibing Guo, Jianzhe Zhao

arxiv:2603.22335 v2 · 2026-03-21 · cs.IR · 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{X6MQAIDIWOPHNYITQIMPAK7T36}

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	2026-05-28T02:04:47.079909Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bf99002068b39e76e1138218f02bf3dfb8b95a2a3c8799d3b6f474abf994df4e

Aliases

arxiv: 2603.22335 · arxiv_version: 2603.22335v2 · doi: 10.48550/arxiv.2603.22335 · pith_short_12: X6MQAIDIWOPH · pith_short_16: X6MQAIDIWOPHNYIT · pith_short_8: X6MQAIDI

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/X6MQAIDIWOPHNYITQIMPAK7T36 \
  | 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: bf99002068b39e76e1138218f02bf3dfb8b95a2a3c8799d3b6f474abf994df4e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4a790825e4d90be5b0f0885658eb68b39ef945983699faa3450df292cf859427",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2026-03-21T03:48:23Z",
    "title_canon_sha256": "12195f4521450b84b1e5cc56dabcdc81cc45954313fdeeb0d09b7c5c199d5701"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2603.22335",
    "kind": "arxiv",
    "version": 2
  }
}