Pith Number

pith:CFKACUVH

pith:2026:CFKACUVHZYMKAYGANUBJAAU4RR

not attested not anchored not stored refs pending

DuIVRS-2: An LLM-based Interactive Voice Response System for Large-scale POI Attribute Acquisition

Jingbo Zhou, Jizhou Huang, Le Zhang, Rui Zha, Shengming Zhang, Yunpeng Wu

arxiv:2605.17900 v1 · 2026-05-18 · 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{CFKACUVHZYMKAYGANUBJAAU4RR}

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	2026-05-20T00:05:04.777915Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

11540152a7ce18a060c06d0290029c8c544b45cb817a6b48cd3178e2e2f222dc

Aliases

arxiv: 2605.17900 · arxiv_version: 2605.17900v1 · doi: 10.48550/arxiv.2605.17900 · pith_short_12: CFKACUVHZYMK · pith_short_16: CFKACUVHZYMKAYGA · pith_short_8: CFKACUVH

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/CFKACUVHZYMKAYGANUBJAAU4RR \
  | 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: 11540152a7ce18a060c06d0290029c8c544b45cb817a6b48cd3178e2e2f222dc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "73820a159579bf8223d63974687d961e11fad11a78cca325e8d0b2180f2d0bdd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2026-05-18T06:06:01Z",
    "title_canon_sha256": "1fd3f05917762edb1a8b00055f31dbf301c17046f90a45d920e63696a602bd7b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.17900",
    "kind": "arxiv",
    "version": 1
  }
}