pith. sign in
Pith Number

pith:UNZ3F5DH

pith:2015:UNZ3F5DHDZ5AUBFENUJTQZWE5C
not attested not anchored not stored refs pending

Consistence beats causality in recommender systems

Hui Tian, Ping Zhang, Tao Zhou, Xuzhen Zhu, Zheng Hu

arxiv:1501.03577 v1 · 2015-01-15 · cs.IR · physics.data-an

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{UNZ3F5DHDZ5AUBFENUJTQZWE5C}

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 2026-05-18T02:29:18.224807Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

a373b2f4671e7a0a04a46d133866c4e899249c0ab2304834eba1c6f425f2066a

Aliases

arxiv: 1501.03577 · arxiv_version: 1501.03577v1 · doi: 10.48550/arxiv.1501.03577 · pith_short_12: UNZ3F5DHDZ5A · pith_short_16: UNZ3F5DHDZ5AUBFE · pith_short_8: UNZ3F5DH
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/UNZ3F5DHDZ5AUBFENUJTQZWE5C \
  | 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: a373b2f4671e7a0a04a46d133866c4e899249c0ab2304834eba1c6f425f2066a
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "fd9b8ae9835a6ddca4a05f51014e40c313235a7e2d6ecb3d67485b847d7d0ef3",
    "cross_cats_sorted": [
      "physics.data-an"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2015-01-15T05:17:31Z",
    "title_canon_sha256": "e8c6f193143e88a60d5dd08b3d7860d9f924bc78add8f4b85db6d90a72b5584b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.03577",
    "kind": "arxiv",
    "version": 1
  }
}