Pith Number

pith:QFAG4K53

pith:2025:QFAG4K53LNUDXHD5IPGTQB5JOR

not attested not anchored not stored refs pending

SPECTRA: Revealing the Full Spectrum of User Preferences via Distributional LLM Inference

Beibei Li, Guangmou Pan, Jialu Wang, Luyang Zhang, Shichao Zhu, Yang Song, Zhongcun Wang

arxiv:2509.24189 v4 · 2025-09-29 · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QFAG4K53LNUDXHD5IPGTQB5JOR}

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	2026-06-09T02:07:09.820424Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

81406e2bbb5b683b9c7d43cd3807a97468d27586e896740a2cac688121c19f03

Aliases

arxiv: 2509.24189 · arxiv_version: 2509.24189v4 · doi: 10.48550/arxiv.2509.24189 · pith_short_12: QFAG4K53LNUD · pith_short_16: QFAG4K53LNUDXHD5 · pith_short_8: QFAG4K53

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/QFAG4K53LNUDXHD5IPGTQB5JOR \
  | 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: 81406e2bbb5b683b9c7d43cd3807a97468d27586e896740a2cac688121c19f03

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a93dab9ddef77207804ab7cb763cc35c6698f74703b676281266dc99ab6276ed",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2025-09-29T02:09:15Z",
    "title_canon_sha256": "16e1e9a2f2257745c4310a88750c0d2ed715b5e8b913aa469affc35554e1113a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.24189",
    "kind": "arxiv",
    "version": 4
  }
}