Pith Number

pith:2GUZKM4B

pith:2024:2GUZKM4BIK4K3LSE4YBSDRCYDY

not attested not anchored not stored refs pending

Decentralized Collaborative Learning with Adaptive Reference Data for On-Device POI Recommendation

Hongzhi Yin, Liang Qu, Lizhen Cui, Ruiqi Zheng, Tong Chen, Yuhui Shi

arxiv:2401.13448 v2 · 2024-01-24 · 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{2GUZKM4BIK4K3LSE4YBSDRCYDY}

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	2026-07-05T07:37:15.767084Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d1a995338142b8adae44e60321c4581e159c7ca5f0924bfdb730c8e816321beb

Aliases

arxiv: 2401.13448 · arxiv_version: 2401.13448v2 · doi: 10.48550/arxiv.2401.13448 · pith_short_12: 2GUZKM4BIK4K · pith_short_16: 2GUZKM4BIK4K3LSE · pith_short_8: 2GUZKM4B

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/2GUZKM4BIK4K3LSE4YBSDRCYDY \
  | 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: d1a995338142b8adae44e60321c4581e159c7ca5f0924bfdb730c8e816321beb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8d28b0f280bdb34f959336af996885756477f71c52352208d2bceed75923ce2c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2024-01-24T13:42:49Z",
    "title_canon_sha256": "7f932faf6f03c19cf0ec49b71bd60ea2be1b0c96de563f4424cf00153848c84e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2401.13448",
    "kind": "arxiv",
    "version": 2
  }
}