Pith Number

pith:G7YY4Q7S

pith:2025:G7YY4Q7S4YZLOSZEGOIPRGOBVR

not attested not anchored not stored refs pending

From 1,000,000 Users to Every User: Scaling Up Personalized Preference for User-level Alignment

Jia-Nan Li, Jian Guan, Rui Yan, Songhao Wu, Wei Wu

arxiv:2503.15463 v3 · 2025-03-19 · 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{G7YY4Q7S4YZLOSZEGOIPRGOBVR}

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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

6 papers in Pith

Personalization Meets Safety:Mechanisms,Risks,and Mitigations in Personalized LLMs

Beyond Isolated Behaviors: Hierarchical User Modeling for LLM Personalization

POPI: Personalizing LLMs via Optimized Natural Language Preference Inference

PersonaVLM: Long-Term Personalized Multimodal LLMs

UserGPT Technical Report

Receipt and verification

First computed	2026-07-05T11:07:21.861665Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

37f18e43f2e632b74b243390f899c1ac5c67942ce61defaf6757d4c80c105013

Aliases

arxiv: 2503.15463 · arxiv_version: 2503.15463v3 · doi: 10.48550/arxiv.2503.15463 · pith_short_12: G7YY4Q7S4YZL · pith_short_16: G7YY4Q7S4YZLOSZE · pith_short_8: G7YY4Q7S

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/G7YY4Q7S4YZLOSZEGOIPRGOBVR \
  | 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: 37f18e43f2e632b74b243390f899c1ac5c67942ce61defaf6757d4c80c105013

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a086c41648959efcdd0b13918dffd25e76a9738e1c5c0f71f60c96c1d87d4a36",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2025-03-19T17:41:46Z",
    "title_canon_sha256": "cd34fde5d9d6683db6523b17d80ddc7220ef98d668168fcb052681f09e1e017b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2503.15463",
    "kind": "arxiv",
    "version": 3
  }
}