Pith Number

pith:L4NXALVN

pith:2012:L4NXALVNDC37L35ASEFFIIASJ5

not attested not anchored not stored refs pending

Guess Who Rated This Movie: Identifying Users Through Subspace Clustering

Amy Zhang, Andrea Montanari, Nadia Fawaz, Stratis Ioannidis

arxiv:1208.1544 v1 · 2012-08-07 · 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{L4NXALVNDC37L35ASEFFIIASJ5}

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	2026-05-18T03:49:11.304245Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5f1b702ead18b7f5efa0910a5420124f5ed3a1396026b07f417ba840f157be4a

Aliases

arxiv: 1208.1544 · arxiv_version: 1208.1544v1 · doi: 10.48550/arxiv.1208.1544 · pith_short_12: L4NXALVNDC37 · pith_short_16: L4NXALVNDC37L35A · pith_short_8: L4NXALVN

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/L4NXALVNDC37L35ASEFFIIASJ5 \
  | 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: 5f1b702ead18b7f5efa0910a5420124f5ed3a1396026b07f417ba840f157be4a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "662687a28846dff8bf26641a63fb6b4a72d3170eea19a1cc0530fd0d483a63aa",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2012-08-07T23:21:31Z",
    "title_canon_sha256": "30373133635fa61b8f5b384cc94e1036aa1629782b3d0beccf7cb0dd8203f237"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.1544",
    "kind": "arxiv",
    "version": 1
  }
}