Pith Number

pith:PCQIJYKA

pith:2021:PCQIJYKAVR6ZG7C4GF25R27E5G

not attested not anchored not stored refs pending

LHRM: A LBS based Heterogeneous Relations Model for User Cold Start Recommendation in Online Travel Platform

Wendong Xiao, Yu Li, Zhi Jiang, Ziyi Wang, Zulong Chen

arxiv:2108.02344 v1 · 2021-08-05 · 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{PCQIJYKAVR6ZG7C4GF25R27E5G}

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	2026-07-05T03:03:31.991924Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

78a084e140ac7d937c5c3175d8ebe4e9aa59146221573ba0def762e4ddb25aed

Aliases

arxiv: 2108.02344 · arxiv_version: 2108.02344v1 · doi: 10.48550/arxiv.2108.02344 · pith_short_12: PCQIJYKAVR6Z · pith_short_16: PCQIJYKAVR6ZG7C4 · pith_short_8: PCQIJYKA

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/PCQIJYKAVR6ZG7C4GF25R27E5G \
  | 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: 78a084e140ac7d937c5c3175d8ebe4e9aa59146221573ba0def762e4ddb25aed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7a8b6ada9e2b9eb381cda0d87943a31f8c62ab667f97f5158a5e56c5d2e37be7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2021-08-05T03:00:38Z",
    "title_canon_sha256": "c7ae5b389a474acd44e4f21f43d4da79f6da15ed6e9d7ca3ff1f3addd415ae12"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.02344",
    "kind": "arxiv",
    "version": 1
  }
}