Pith Number

pith:TM6D25KB

pith:2016:TM6D25KBGHG2AW3DXJWBY6LFUZ

not attested not anchored not stored refs pending

A Theoretical Analysis of Two-Stage Recommendation for Cold-Start Collaborative Filtering

Jun Wang, Xiaoxue Zhao

arxiv:1601.04745 v1 · 2016-01-18 · 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{TM6D25KBGHG2AW3DXJWBY6LFUZ}

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	2026-05-18T01:22:31.916330Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9b3c3d754131cda05b63ba6c1c7965a6402b18c2f93d8e601fafc83b644cd375

Aliases

arxiv: 1601.04745 · arxiv_version: 1601.04745v1 · doi: 10.48550/arxiv.1601.04745 · pith_short_12: TM6D25KBGHG2 · pith_short_16: TM6D25KBGHG2AW3D · pith_short_8: TM6D25KB

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/TM6D25KBGHG2AW3DXJWBY6LFUZ \
  | 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: 9b3c3d754131cda05b63ba6c1c7965a6402b18c2f93d8e601fafc83b644cd375

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8b588ff4d5e56293bcc220d93bffc1da932a2aff439ab8c19ccb3b79d19d5da7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2016-01-18T22:31:06Z",
    "title_canon_sha256": "dfa4b747f1cf20c74eccbb7c88619e6c16c5d137e46c36c55666828dac27e451"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.04745",
    "kind": "arxiv",
    "version": 1
  }
}