Pith Number

pith:ZEAOP2VC

pith:2019:ZEAOP2VC5MCMLK6WNLJVYONJU6

not attested not anchored not stored refs pending

Cold-start Playlist Recommendation with Multitask Learning

Aditya Krishna Menon, Cheng Soon Ong, Dawei Chen

arxiv:1901.06125 v1 · 2019-01-18 · 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{ZEAOP2VC5MCMLK6WNLJVYONJU6}

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	2026-05-17T23:56:04.495938Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c900e7eaa2eb04c5abd66ad35c39a9a7b8a6cf9026d21d9c882064ae27bda491

Aliases

arxiv: 1901.06125 · arxiv_version: 1901.06125v1 · doi: 10.48550/arxiv.1901.06125 · pith_short_12: ZEAOP2VC5MCM · pith_short_16: ZEAOP2VC5MCMLK6W · pith_short_8: ZEAOP2VC

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/ZEAOP2VC5MCMLK6WNLJVYONJU6 \
  | 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: c900e7eaa2eb04c5abd66ad35c39a9a7b8a6cf9026d21d9c882064ae27bda491

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "93c374a1e0821c3a8296c6fafecee5d9f78c49dcda650a446eadd7b6660403ac",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2019-01-18T08:14:27Z",
    "title_canon_sha256": "c4a43c165d7013287ba1ed9e7f38a03e09b511b20e10aa118fcb602287b9900c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.06125",
    "kind": "arxiv",
    "version": 1
  }
}