Pith Number

pith:TTHK7ZQK

pith:2016:TTHK7ZQKILGUIIXMDAUTMUUC7I

not attested not anchored not stored refs pending

Scalable and interpretable product recommendations via overlapping co-clustering

Celestine D\"unner, Michail Vlachos, Reinhard Heckel, Thomas Parnell

arxiv:1604.02071 v2 · 2016-04-07 · 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{TTHK7ZQKILGUIIXMDAUTMUUC7I}

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	2026-05-18T00:44:18.837642Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9cceafe60a42cd4422ec1829365282fa33dc5c7bfc652d4e2a30c95b078c69c8

Aliases

arxiv: 1604.02071 · arxiv_version: 1604.02071v2 · doi: 10.48550/arxiv.1604.02071 · pith_short_12: TTHK7ZQKILGU · pith_short_16: TTHK7ZQKILGUIIXM · pith_short_8: TTHK7ZQK

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/TTHK7ZQKILGUIIXMDAUTMUUC7I \
  | 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: 9cceafe60a42cd4422ec1829365282fa33dc5c7bfc652d4e2a30c95b078c69c8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7ad0fef8f75ed03e9c462de8577aa59c181c04d4a8e1c417ab8f9e74bc94c972",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2016-04-07T16:40:53Z",
    "title_canon_sha256": "a49e4c27e2c4eb7b29a4fa655ca82f141fa89598010fb1fa9b468f144d3fa917"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.02071",
    "kind": "arxiv",
    "version": 2
  }
}