Pith Number

pith:CQTDVBPY

pith:2023:CQTDVBPYUCD7YL3LMVPNNY3HBH

not attested not anchored not stored refs pending

Generative Retrieval with Semantic Tree-Structured Item Identifiers via Contrastive Learning

Guozhang Chen, Jiale Chen, Jun Xu, Kai Zheng, Kun Gai, Xiaoxue Zang, Xiao Zhang, Yang Song, Zhongxiang Sun, Zihua Si

arxiv:2309.13375 v2 · 2023-09-23 · cs.IR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CQTDVBPYUCD7YL3LMVPNNY3HBH}

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

Beyond Matching: Category-Guided Latent Intent Reasoning for Generative Retrieval in E-Commerce

Fine-Tuned LLM as a Complementary Predictor Improving Ads System

Receipt and verification

First computed	2026-07-05T08:40:55.724469Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

14263a85f8a087fc2f6b655ed6e36709cf3cdb466bd0b9560ca446cd0c062ba5

Aliases

arxiv: 2309.13375 · arxiv_version: 2309.13375v2 · doi: 10.48550/arxiv.2309.13375 · pith_short_12: CQTDVBPYUCD7 · pith_short_16: CQTDVBPYUCD7YL3L · pith_short_8: CQTDVBPY

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/CQTDVBPYUCD7YL3LMVPNNY3HBH \
  | 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: 14263a85f8a087fc2f6b655ed6e36709cf3cdb466bd0b9560ca446cd0c062ba5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "beb674a926e788e5eae539d3f0cef5e1cc26e14edc8669764567b4f1bd101b97",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2023-09-23T13:44:59Z",
    "title_canon_sha256": "b10ad8e59a3e60b22e0ac7bcbcc17b6aaefd3df59f44fbceaa2a306aa0c65ca8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2309.13375",
    "kind": "arxiv",
    "version": 2
  }
}