Pith Number

pith:P4MMOUVB

pith:2021:P4MMOUVBOIE6O5OZLCPYXLBLDE

not attested not anchored not stored refs pending

Music Classification: Beyond Supervised Learning, Towards Real-world Applications

Janne Spijkervet, Keunwoo Choi, Minz Won

arxiv:2111.11636 v2 · 2021-11-23 · cs.SD · cs.IR · eess.AS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{P4MMOUVBOIE6O5OZLCPYXLBLDE}

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	2026-07-05T03:37:29.821679Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7f18c752a17209e775d9589f8bac2b19165ee59daf31b80100934ab994932768

Aliases

arxiv: 2111.11636 · arxiv_version: 2111.11636v2 · doi: 10.48550/arxiv.2111.11636 · pith_short_12: P4MMOUVBOIE6 · pith_short_16: P4MMOUVBOIE6O5OZ · pith_short_8: P4MMOUVB

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/P4MMOUVBOIE6O5OZLCPYXLBLDE \
  | 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: 7f18c752a17209e775d9589f8bac2b19165ee59daf31b80100934ab994932768

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5bb1e2a51df324e503d78c6fb411bd9886592efebfd808301bb8153b6b592849",
    "cross_cats_sorted": [
      "cs.IR",
      "eess.AS"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.SD",
    "submitted_at": "2021-11-23T03:44:39Z",
    "title_canon_sha256": "86e6934adffa47c28dd7de0dcd51e222e798cd8c656e9cc1335da2efcc314bff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.11636",
    "kind": "arxiv",
    "version": 2
  }
}