Pith Number

pith:Y27FTIMH

pith:2018:Y27FTIMH2HPJU5ZFG2PW5D3T3C

not attested not anchored not stored refs pending

The Importance of Song Context and Song Order in Automated Music Playlist Generation

Andreu Vall, Gerhard Widmer, Markus Schedl, Massimo Quadrana

arxiv:1807.04690 v1 · 2018-07-12 · cs.IR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Y27FTIMH2HPJU5ZFG2PW5D3T3C}

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	2026-05-18T00:10:52.776951Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c6be59a187d1de9a7725369f6e8f73d8ad2c30c6eb039b164e19b7e638ca8061

Aliases

arxiv: 1807.04690 · arxiv_version: 1807.04690v1 · doi: 10.48550/arxiv.1807.04690 · pith_short_12: Y27FTIMH2HPJ · pith_short_16: Y27FTIMH2HPJU5ZF · pith_short_8: Y27FTIMH

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/Y27FTIMH2HPJU5ZFG2PW5D3T3C \
  | 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: c6be59a187d1de9a7725369f6e8f73d8ad2c30c6eb039b164e19b7e638ca8061

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d55b2c068e4ee09310e45f128a2b2464aeb9bf3152779e8c597f6f6bc78e1240",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2018-07-12T15:56:58Z",
    "title_canon_sha256": "dcf917c8795cf99a94d7077cfc39be8f83636c2fb45aea79c7a0e60dbfcd9772"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.04690",
    "kind": "arxiv",
    "version": 1
  }
}