Pith Number

pith:CFEM752C

pith:2013:CFEM752CUA5IS6ZBM5JBMP4KZC

not attested not anchored not stored refs pending

Improving adaptation of ubiquitous recommander systems by using reinforcement learning and collaborative filtering

Djallel Bouneffouf

arxiv:1303.2308 v2 · 2013-03-10 · 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{CFEM752CUA5IS6ZBM5JBMP4KZC}

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	2026-05-18T02:54:14.302429Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1148cff742a03a897b216752163f8ac8b23fdf1217b9a0127fe6f163b8b9baef

Aliases

arxiv: 1303.2308 · arxiv_version: 1303.2308v2 · doi: 10.48550/arxiv.1303.2308 · pith_short_12: CFEM752CUA5I · pith_short_16: CFEM752CUA5IS6ZB · pith_short_8: CFEM752C

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/CFEM752CUA5IS6ZBM5JBMP4KZC \
  | 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: 1148cff742a03a897b216752163f8ac8b23fdf1217b9a0127fe6f163b8b9baef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f06e5d15ae0a1cdb4036eeef93c8b21f2be41f8b27e34bda51c9740851ad6d2f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2013-03-10T11:02:24Z",
    "title_canon_sha256": "a67f7c258985f7eb21cd5c6c0374e13896e556bf621112910dbeff4c8cf80532"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.2308",
    "kind": "arxiv",
    "version": 2
  }
}