Pith Number

pith:Q5CLYSUC

pith:2022:Q5CLYSUCGV7HFFNODIIUG7EY7G

not attested not anchored not stored refs pending

Kernel-based Substructure Exploration for Next POI Recommendation

Ming Zhang, Wei Ju, Xiao Luo, Yanjie Fu, Yifang Qin, Yifan Wang, Ziyue Qiao

arxiv:2210.03969 v1 · 2022-10-08 · cs.LG · cs.AI · cs.IR · cs.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Q5CLYSUCGV7HFFNODIIUG7EY7G}

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	2026-07-05T05:04:34.534114Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8744bc4a82357e7295ae1a11437c98f9b21010b36002034cc54a84ab5100258c

Aliases

arxiv: 2210.03969 · arxiv_version: 2210.03969v1 · doi: 10.48550/arxiv.2210.03969 · pith_short_12: Q5CLYSUCGV7H · pith_short_16: Q5CLYSUCGV7HFFNO · pith_short_8: Q5CLYSUC

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/Q5CLYSUCGV7HFFNODIIUG7EY7G \
  | 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: 8744bc4a82357e7295ae1a11437c98f9b21010b36002034cc54a84ab5100258c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "876968e3bde0b226c0d08e6bcce7a9848e6bf03443401de7104657810a0c2f85",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.IR",
      "cs.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2022-10-08T08:36:34Z",
    "title_canon_sha256": "2a017f5b6fe57a027f8b04489a8826b7e9093483434606f652cd0e4ae3d8cb47"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2210.03969",
    "kind": "arxiv",
    "version": 1
  }
}