Pith Number

pith:O4TUTMT4

pith:2014:O4TUTMT4RSON3Z5VBSMGQTNZNG

not attested not anchored not stored refs pending

DJ-MC: A Reinforcement-Learning Agent for Music Playlist Recommendation

Elad Liebman, Maytal Saar-Tsechansky, Peter Stone

arxiv:1401.1880 v2 · 2014-01-09 · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{O4TUTMT4RSON3Z5VBSMGQTNZNG}

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	2026-05-18T02:20:29.004580Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

772749b27c8c9cdde7b50c98684db969ad362310b1aef6bff4eabd756ff297f8

Aliases

arxiv: 1401.1880 · arxiv_version: 1401.1880v2 · doi: 10.48550/arxiv.1401.1880 · pith_short_12: O4TUTMT4RSON · pith_short_16: O4TUTMT4RSON3Z5V · pith_short_8: O4TUTMT4

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/O4TUTMT4RSON3Z5VBSMGQTNZNG \
  | 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: 772749b27c8c9cdde7b50c98684db969ad362310b1aef6bff4eabd756ff297f8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "13310bb8d01e4633d209a3d4637ddf0e9718b595f9071bf29f9bed1d06d23e7e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2014-01-09T01:50:09Z",
    "title_canon_sha256": "5619d339c4eb61ec5b6b5fc9aed341d602e73f33ba973caa5ec7b07ce6a02335"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.1880",
    "kind": "arxiv",
    "version": 2
  }
}