Pith Number

pith:KYZ5562A

pith:2022:KYZ5562A64E646Z2OG5XE4L4UH

not attested not anchored not stored refs pending

Coarse-to-Fine Sparse Sequential Recommendation

Christos Faloutsos, George Karypis, Jiacheng Li, Jim Chan, Jin Li, Julian McAuley, Soo-Min Pantel, Tong Zhao

arxiv:2204.01839 v1 · 2022-04-04 · cs.IR · 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{KYZ5562A64E646Z2OG5XE4L4UH}

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	2026-07-05T04:11:33.604223Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5633defb40f709ee7b3a71bb72717ca1e98b6352a251d0298859e3d8ed0542c2

Aliases

arxiv: 2204.01839 · arxiv_version: 2204.01839v1 · doi: 10.48550/arxiv.2204.01839 · pith_short_12: KYZ5562A64E6 · pith_short_16: KYZ5562A64E646Z2 · pith_short_8: KYZ5562A

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/KYZ5562A64E646Z2OG5XE4L4UH \
  | 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: 5633defb40f709ee7b3a71bb72717ca1e98b6352a251d0298859e3d8ed0542c2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0e64db4e2a374d71318ae3d7079e189f73eebb65c662652e14427f362537a134",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2022-04-04T20:51:47Z",
    "title_canon_sha256": "b06257c7f623e5b8a9020e2cc720f1b828279a5fa40d84ddfce5e23c8a522391"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2204.01839",
    "kind": "arxiv",
    "version": 1
  }
}