Pith Number

pith:LD7WQZMZ

pith:2015:LD7WQZMZQ66KFPL3JX5CAQFGT6

not attested not anchored not stored refs pending

Joint Time-Frequency Scattering for Audio Classification

Joakim And\'en, St\'ephane Mallat, Vincent Lostanlen

arxiv:1512.02125 v1 · 2015-12-07 · cs.SD

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LD7WQZMZQ66KFPL3JX5CAQFGT6}

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	2026-05-18T00:09:00.854932Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

58ff68659987bca2bd7b4dfa2040a69f8db771606d77822b2dc7440408cc9aab

Aliases

arxiv: 1512.02125 · arxiv_version: 1512.02125v1 · doi: 10.48550/arxiv.1512.02125 · pith_short_12: LD7WQZMZQ66K · pith_short_16: LD7WQZMZQ66KFPL3 · pith_short_8: LD7WQZMZ

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/LD7WQZMZQ66KFPL3JX5CAQFGT6 \
  | 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: 58ff68659987bca2bd7b4dfa2040a69f8db771606d77822b2dc7440408cc9aab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "097c469819f57c6237cccbbaab69b4ff6e0fdfab3fee8c0ebbcb03783a0c7dff",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SD",
    "submitted_at": "2015-12-07T17:11:01Z",
    "title_canon_sha256": "4be4e4c41a22db40f10c6c11fcb64ac7cb7e8ddb7f67b388dd7f04f3f87a69e4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.02125",
    "kind": "arxiv",
    "version": 1
  }
}