Pith Number

pith:CXH6IPQD

pith:2014:CXH6IPQDXESMQWQJBMZY4MFQ6D

not attested not anchored not stored refs pending

Budget-Constrained Item Cold-Start Handling in Collaborative Filtering Recommenders via Optimal Design

Nadav Golbandi, Oleg Rokhlenko, Oren Anava, Oren Somekh, Ronny Lempel, Shahar Golan, Zohar Karnin

arxiv:1406.2431 v3 · 2014-06-10 · cs.IR · 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{CXH6IPQDXESMQWQJBMZY4MFQ6D}

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	2026-05-18T01:04:24.803718Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

15cfe43e03b924c85a090b338e30b0f0e8622a6fe7bd6937ffc1305e07afba8e

Aliases

arxiv: 1406.2431 · arxiv_version: 1406.2431v3 · doi: 10.48550/arxiv.1406.2431 · pith_short_12: CXH6IPQDXESM · pith_short_16: CXH6IPQDXESMQWQJ · pith_short_8: CXH6IPQD

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/CXH6IPQDXESMQWQJBMZY4MFQ6D \
  | 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: 15cfe43e03b924c85a090b338e30b0f0e8622a6fe7bd6937ffc1305e07afba8e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "63416ba307707ccb9913f9e13601271279f75f816fd9877e8fba613ca8e752d6",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2014-06-10T06:17:23Z",
    "title_canon_sha256": "86a7cfd969f91d8977c46cb66c7a1e26996ee5535ef9cfc933c8411abb7bcaf5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.2431",
    "kind": "arxiv",
    "version": 3
  }
}