Pith Number

pith:N2TI232U

pith:2026:N2TI232U3OW56V5ORF7ZZ3FIHS

not attested not anchored not stored refs pending

VDAR-Router: Adaptive LLMs Routing via Verbalized Query Difficulty Analysis Retrieval

An-Zi Yen, Jun-Chen Hung, Wen-Chih Peng, Yu-Chien Tang

arxiv:2607.18098 v1 · 2026-07-20 · 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{N2TI232U3OW56V5ORF7ZZ3FIHS}

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	2026-07-21T02:22:16.240054Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6ea68d6f54dbaddf57ae897f9ceca83c872cb8c3dd717965649a4dce77b96b45

Aliases

arxiv: 2607.18098 · arxiv_version: 2607.18098v1 · doi: 10.48550/arxiv.2607.18098 · pith_short_12: N2TI232U3OW5 · pith_short_16: N2TI232U3OW56V5O · pith_short_8: N2TI232U

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/N2TI232U3OW56V5ORF7ZZ3FIHS \
  | 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: 6ea68d6f54dbaddf57ae897f9ceca83c872cb8c3dd717965649a4dce77b96b45

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0bcda9a635ac783d98c40edad3834f4808e5dcaf9274608ef44053a3797ccb2a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-07-20T16:00:45Z",
    "title_canon_sha256": "83e25a8fc97db3071d9c4431f1ebdaf18cabddc7de970932d8518621333f6596"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.18098",
    "kind": "arxiv",
    "version": 1
  }
}