Pith Number

pith:6CXF6NGI

pith:2022:6CXF6NGIKQRCD573QIA6QQJLWN

not attested not anchored not stored refs pending

Contemporary Recommendation Systems on Big Data and Their Applications: A Survey

Anchen Sun, Jingyi Xu, Minghui Cheng, Rui Ma, Yuanzhe Peng, Ziyuan Xia

arxiv:2206.02631 v4 · 2022-05-31 · 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{6CXF6NGIKQRCD573QIA6QQJLWN}

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	2026-07-05T09:48:58.346693Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f0ae5f34c8542221f7fb8201e8412bb36e524e2d49c4445469446285ace9efc8

Aliases

arxiv: 2206.02631 · arxiv_version: 2206.02631v4 · doi: 10.48550/arxiv.2206.02631 · pith_short_12: 6CXF6NGIKQRC · pith_short_16: 6CXF6NGIKQRCD573 · pith_short_8: 6CXF6NGI

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/6CXF6NGIKQRCD573QIA6QQJLWN \
  | 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: f0ae5f34c8542221f7fb8201e8412bb36e524e2d49c4445469446285ace9efc8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a96e89aec7083f7eb097fb6d8ebf67f87e535e220e24b5f477e55b279d0c0584",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2022-05-31T01:54:29Z",
    "title_canon_sha256": "388e145fc0e6555c7cca118f7d2fef82c5196fb3090a950a0ee9d525dc89d483"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2206.02631",
    "kind": "arxiv",
    "version": 4
  }
}