Pith Number

pith:LNHAD4BG

pith:2015:LNHAD4BG7SNINXEQYPIMV4ZT7V

not attested not anchored not stored refs pending

Study of a bias in the offline evaluation of a recommendation algorithm

Arnaud De Myttenaere (SAMM, B\'en\'edicte Le Grand (CRI), Boris Golden (Viadeo), Fabrice Rossi (SAMM), Viadeo)

arxiv:1511.01280 v1 · 2015-11-04 · cs.IR · cs.LG · stat.ML

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LNHAD4BG7SNINXEQYPIMV4ZT7V}

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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	2026-05-18T01:27:47.600997Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5b4e01f026fc9a86dc90c3d0caf333fd7211ed95abd7d5d2403765f4c80f792a

Aliases

arxiv: 1511.01280 · arxiv_version: 1511.01280v1 · doi: 10.48550/arxiv.1511.01280 · pith_short_12: LNHAD4BG7SNI · pith_short_16: LNHAD4BG7SNINXEQ · pith_short_8: LNHAD4BG

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/LNHAD4BG7SNINXEQYPIMV4ZT7V \
  | 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: 5b4e01f026fc9a86dc90c3d0caf333fd7211ed95abd7d5d2403765f4c80f792a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dfe8ae1e97e14522b43486efc31c3afb30e7c4956349c475c8f006bb1ab6bd40",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2015-11-04T10:46:58Z",
    "title_canon_sha256": "8e811eacd56c789ae72aa192549786cb5a3e3b51d48ec995143afe2677a408c4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.01280",
    "kind": "arxiv",
    "version": 1
  }
}