Pith Number

pith:OEE7U66B

pith:2023:OEE7U66BXBUE3PYCXCNHHZCGEV

not attested not anchored not stored refs pending

Data Scarcity in Recommendation Systems: A Survey

Hong Lin, Jiayang Wu, Kaixia Hu, Wensheng Gan, Zefeng Chen

arxiv:2312.10073 v1 · 2023-12-08 · 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{OEE7U66BXBUE3PYCXCNHHZCGEV}

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	2026-07-05T07:25:00.248209Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7109fa7bc1b8684dbf02b89a73e4462545b0f6b91c95aa37e83b97df467f273a

Aliases

arxiv: 2312.10073 · arxiv_version: 2312.10073v1 · doi: 10.48550/arxiv.2312.10073 · pith_short_12: OEE7U66BXBUE · pith_short_16: OEE7U66BXBUE3PYC · pith_short_8: OEE7U66B

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/OEE7U66BXBUE3PYCXCNHHZCGEV \
  | 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: 7109fa7bc1b8684dbf02b89a73e4462545b0f6b91c95aa37e83b97df467f273a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7ba517818c337435309f9ef787490bc8813c57a41aeec2fe8827c0b19cdc737b",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2023-12-08T01:45:58Z",
    "title_canon_sha256": "f01797a47f582cd3bfc7f822da5fc004204f504c7714e90a40afd94ac127830b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2312.10073",
    "kind": "arxiv",
    "version": 1
  }
}