Pith Number

pith:FM74XULL

pith:2025:FM74XULLH4IQJC25YZBOTSNEAP

not attested not anchored not stored refs pending

Invisible Tokens, Visible Bills: The Urgent Need to Audit Hidden Operations in Opaque LLM Services

Ang Li, Bowei Tian, Guoheng Sun, Jinming Xing, Xuandong Zhao, Yexiao He, Zheyu Shen, Ziyao Wang

arxiv:2505.18471 v1 · 2025-05-24 · cs.CR · 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{FM74XULLH4IQJC25YZBOTSNEAP}

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.

Cited by

2 papers in Pith

Online LLM Selection via Constrained Bandits with Time-Varying Demand

Behavioral Consistency and Transparency Analysis on Large Language Model API Gateways

Receipt and verification

First computed	2026-07-05T11:08:46.983059Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2b3fcbd16b3f11048b5dc642e9c9a403de74a92f47f62cf952d0815ddf945005

Aliases

arxiv: 2505.18471 · arxiv_version: 2505.18471v1 · doi: 10.48550/arxiv.2505.18471 · pith_short_12: FM74XULLH4IQ · pith_short_16: FM74XULLH4IQJC25 · pith_short_8: FM74XULL

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/FM74XULLH4IQJC25YZBOTSNEAP \
  | 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: 2b3fcbd16b3f11048b5dc642e9c9a403de74a92f47f62cf952d0815ddf945005

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "35dcf33f8adf348fa203a8bfe738af53d9b4b7a07255a2ee48445b808b560a2d",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2025-05-24T02:26:49Z",
    "title_canon_sha256": "b600ea5b81b842924589276eb7ea1d580cc375d81e0e7efbe5972d7df004a678"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.18471",
    "kind": "arxiv",
    "version": 1
  }
}