Pith Number

pith:U3QSWU56

pith:2013:U3QSWU56SGE4VSEWAJD3UXSVAJ

not attested not anchored not stored refs pending

CRUC: Cold-start Recommendations Using Collaborative Filtering in Internet of Things

Daqiang Zhang, Haoyi Xiong, Qin Zou

arxiv:1306.0165 v1 · 2013-06-02 · cs.IR · cs.NI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{U3QSWU56SGE4VSEWAJD3UXSVAJ}

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	2026-05-18T03:21:55.973208Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a6e12b53be9189cac8960247ba5e5502609789de26e831fa9af48d912be14efe

Aliases

arxiv: 1306.0165 · arxiv_version: 1306.0165v1 · doi: 10.48550/arxiv.1306.0165 · pith_short_12: U3QSWU56SGE4 · pith_short_16: U3QSWU56SGE4VSEW · pith_short_8: U3QSWU56

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/U3QSWU56SGE4VSEWAJD3UXSVAJ \
  | 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: a6e12b53be9189cac8960247ba5e5502609789de26e831fa9af48d912be14efe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "067a99a9b95975a5324c2a7f9512d5c341b8222959d5a2d345ef2299aa500fef",
    "cross_cats_sorted": [
      "cs.NI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2013-06-02T02:23:44Z",
    "title_canon_sha256": "db367c376bab39d629f5f885effc7257c19bbc9a5584a1f001d386a3fd284c99"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.0165",
    "kind": "arxiv",
    "version": 1
  }
}