Pith Number

pith:IFIFERKK

pith:2019:IFIFERKKXI7QSO6VTIGTAIFVES

not attested not anchored not stored refs pending

The Unfairness of Popularity Bias in Music Recommendation: A Reproducibility Study

Dominik Kowald, Elisabeth Lex, Markus Schedl

arxiv:1912.04696 v2 · 2019-12-10 · cs.IR · cs.LG · cs.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IFIFERKKXI7QSO6VTIGTAIFVES}

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	2026-07-05T00:27:20.295650Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

415052454aba3f093bd59a0d3020b524adbecba803debba85c496c6c75972de9

Aliases

arxiv: 1912.04696 · arxiv_version: 1912.04696v2 · doi: 10.48550/arxiv.1912.04696 · pith_short_12: IFIFERKKXI7Q · pith_short_16: IFIFERKKXI7QSO6V · pith_short_8: IFIFERKK

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/IFIFERKKXI7QSO6VTIGTAIFVES \
  | 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: 415052454aba3f093bd59a0d3020b524adbecba803debba85c496c6c75972de9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6c51246e12d057fc3da653e844c614f40f1bc681450049bcb361b5d5b25ffe22",
    "cross_cats_sorted": [
      "cs.LG",
      "cs.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2019-12-10T14:13:50Z",
    "title_canon_sha256": "6d722d674186756720334d0337e7e9ca7f539f49850aa9d4575cd7cc31e86ebb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1912.04696",
    "kind": "arxiv",
    "version": 2
  }
}