Pith Number

pith:57BXTEBR

pith:2017:57BXTEBR4RWGRQ3G3ZP5PLFZXD

not attested not anchored not stored refs pending

Differentially Private Neighborhood-based Recommender Systems

Jun Wang, Qiang Tang

arxiv:1701.02120 v2 · 2017-01-09 · cs.CR · 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{57BXTEBR4RWGRQ3G3ZP5PLFZXD}

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	2026-05-18T00:48:59.520515Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

efc3799031e46c68c366de5fd7acb9b8d565d86966c951a19186f82fd3368987

Aliases

arxiv: 1701.02120 · arxiv_version: 1701.02120v2 · doi: 10.48550/arxiv.1701.02120 · pith_short_12: 57BXTEBR4RWG · pith_short_16: 57BXTEBR4RWGRQ3G · pith_short_8: 57BXTEBR

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/57BXTEBR4RWGRQ3G3ZP5PLFZXD \
  | 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: efc3799031e46c68c366de5fd7acb9b8d565d86966c951a19186f82fd3368987

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "91a74dc8db901401ad57edc1c18d2ef108fd0c27a5bf1d33c9ed10fe49341c10",
    "cross_cats_sorted": [
      "cs.IR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2017-01-09T10:11:08Z",
    "title_canon_sha256": "6de99657bdd14bb3272142e2db97c8874ba45cd1d412ae12a00559a799714ba4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.02120",
    "kind": "arxiv",
    "version": 2
  }
}