Pith Number

pith:WUSRF2MD

pith:2015:WUSRF2MDSXHOLLWFCVUCTVP3KJ

not attested not anchored not stored refs pending

Differentially Private Online Learning for Cloud-Based Video Recommendation with Multimedia Big Data in Social Networks

Dapeng Wu, Hai Jin, Pan Zhou, Yingxue Zhou

arxiv:1509.00181 v7 · 2015-09-01 · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WUSRF2MDSXHOLLWFCVUCTVP3KJ}

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	2026-05-18T01:21:37.082726Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b52512e98395cee5aec5156829d5fb5257f05c5a12d8db25f17bfda8b8bc0c4c

Aliases

arxiv: 1509.00181 · arxiv_version: 1509.00181v7 · doi: 10.48550/arxiv.1509.00181 · pith_short_12: WUSRF2MDSXHO · pith_short_16: WUSRF2MDSXHOLLWF · pith_short_8: WUSRF2MD

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/WUSRF2MDSXHOLLWFCVUCTVP3KJ \
  | 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: b52512e98395cee5aec5156829d5fb5257f05c5a12d8db25f17bfda8b8bc0c4c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c639a964d315f8f4a1eb4f566b6fe182e75a7f9be59149a5a746111c170aa3ff",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2015-09-01T09:01:07Z",
    "title_canon_sha256": "6a334b8784f2ebab44e5316c3d1bd7da40365d1b9d23d3f2e7ba6f242a3f43c6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.00181",
    "kind": "arxiv",
    "version": 7
  }
}