Pith Number

pith:4JIKGC4N

pith:2025:4JIKGC4NWX2TSZM7QRNYUWUQUV

not attested not anchored not stored refs pending

Universal Model Routing for Efficient LLM Inference

Aditya Krishna Menon, Alec Go, Ankit Singh Rawat, Chen-Yu Lee, Congchao Wang, Harikrishna Narasimhan, Jeevesh Juneja, Pradeep Shenoy, Rina Panigrahy, Sanjiv Kumar, Wittawat Jitkrittum, Zifeng Wang

arxiv:2502.08773 v2 · 2025-02-12 · cs.CL · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4JIKGC4NWX2TSZM7QRNYUWUQUV}

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

15 papers in Pith

Prompting Complexity: Shortest Prompts for Texts and Behaviors in LLMs

The Capability Frontier: Benchmarks Miss 82% of Model Performance

RouteBalance: Fused Model Routing and Load Balancing for Heterogeneous LLM Serving

SWE-Router: Routing in Multi-turn Agentic Software Engineering Tasks

Rosetta Memory: Adaptive Memory for Cross-LLM Agents

Receipt and verification

First computed	2026-07-05T11:41:21.393976Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e250a30b8db5f539659f845b8a5a90a575a148cb59345e42130f317fbb2c2198

Aliases

arxiv: 2502.08773 · arxiv_version: 2502.08773v2 · doi: 10.48550/arxiv.2502.08773 · pith_short_12: 4JIKGC4NWX2T · pith_short_16: 4JIKGC4NWX2TSZM7 · pith_short_8: 4JIKGC4N

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/4JIKGC4NWX2TSZM7QRNYUWUQUV \
  | 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: e250a30b8db5f539659f845b8a5a90a575a148cb59345e42130f317fbb2c2198

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6243323ea3b1db6c1bf88dede7488239d97dd8de96d9998a17178e87c654c939",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2025-02-12T20:30:28Z",
    "title_canon_sha256": "b485ff06966b09029838f70a41ea2b53809ec3ef0e8c125f95cc40c8d8a38648"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.08773",
    "kind": "arxiv",
    "version": 2
  }
}