Pith Number

pith:WLI63YKI

pith:2020:WLI63YKIFEHEGMSZTV52E3JJ63

not attested not anchored not stored refs pending

Hotel Recommendation System Based on User Profiles and Collaborative Filtering

Bekir Berker T\"urker, \c{S}ule \"O\u{g}\"ud\"uc\"u, \.Ipek K{\i}z{\i}l, resul tugay

arxiv:2009.14045 v1 · 2020-09-21 · cs.LG · 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{WLI63YKIFEHEGMSZTV52E3JJ63}

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	2026-07-05T01:38:47.900684Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b2d1ede148290e4332599d7ba26d29f6c5844af7b8e51d9b1dbbee2ebd4e0452

Aliases

arxiv: 2009.14045 · arxiv_version: 2009.14045v1 · doi: 10.48550/arxiv.2009.14045 · pith_short_12: WLI63YKIFEHE · pith_short_16: WLI63YKIFEHEGMSZ · pith_short_8: WLI63YKI

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/WLI63YKIFEHEGMSZTV52E3JJ63 \
  | 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: b2d1ede148290e4332599d7ba26d29f6c5844af7b8e51d9b1dbbee2ebd4e0452

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e663e5c23572ef8d0ceff82a12c3686847965e656da110eae150221aea5766ae",
    "cross_cats_sorted": [
      "cs.IR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2020-09-21T09:57:54Z",
    "title_canon_sha256": "544f09f832d5b44c2ef565de850092bc64f338fbdf5a13a9f106425fc347d4a3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.14045",
    "kind": "arxiv",
    "version": 1
  }
}