Pith Number

pith:YR7FQCTD

pith:2026:YR7FQCTDUUCYBNHW7LVFZYOFXC

not attested not anchored not stored refs pending

UrbanDS: A Graph-Guided LLM Multi-Agent System for Data-Intensive Urban Tasks

Depeng Jin, Jianghao Yu, Sun Yongquan, Yongjun Yang, Yong Li, Yuming Lin, Zhilun Zhou

arxiv:2607.26724 v1 · 2026-07-29 · 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{YR7FQCTDUUCYBNHW7LVFZYOFXC}

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	2026-07-30T01:22:05.277265Z
Builder	pith-number-builder-2026-05-17-v1
Signature	unsigned_v0
Schema	pith-number/v1.0

Canonical hash

c47e580a63a50580b4f6faea5ce1c5b88bad1e007e775fb979bc4d7bea714c97

Aliases

arxiv: 2607.26724 · arxiv_version: 2607.26724v1 · doi: 10.48550/arxiv.2607.26724 · pith_short_12: YR7FQCTDUUCY · pith_short_16: YR7FQCTDUUCYBNHW · pith_short_8: YR7FQCTD

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/YR7FQCTDUUCYBNHW7LVFZYOFXC \
  | 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: c47e580a63a50580b4f6faea5ce1c5b88bad1e007e775fb979bc4d7bea714c97

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "155c5f83d7adf4301ac0c3bd57611adccab867061b9f1b1f0be05f00d9ad8dff",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2026-07-29T10:14:02Z",
    "title_canon_sha256": "4ab03468343944fc88a39be133850b75ac21b62fb75cf7eb7917cd2a53a32227"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.26724",
    "kind": "arxiv",
    "version": 1
  }
}