Pith Number

pith:B3Z44BA6

pith:2020:B3Z44BA6E2VCWPXILEZGK2NTTF

not attested not anchored not stored refs pending

Robust Acoustic Scene Classification using a Multi-Spectrogram Encoder-Decoder Framework

Alfred Mertins, Huy Phan, Ian McLoughlin, Lam Pham, Ramaswamy Palaniappan, Truc Nguyen

arxiv:2002.04502 v1 · 2020-02-11 · cs.SD · 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{B3Z44BA6E2VCWPXILEZGK2NTTF}

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	2026-07-05T00:39:45.930194Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0ef3ce041e26aa2b3ee859326569b3995851a53c4e0356a07e634a5f631c1265

Aliases

arxiv: 2002.04502 · arxiv_version: 2002.04502v1 · doi: 10.48550/arxiv.2002.04502 · pith_short_12: B3Z44BA6E2VC · pith_short_16: B3Z44BA6E2VCWPXI · pith_short_8: B3Z44BA6

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/B3Z44BA6E2VCWPXILEZGK2NTTF \
  | 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: 0ef3ce041e26aa2b3ee859326569b3995851a53c4e0356a07e634a5f631c1265

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "547d54b56f616f27c1f53d487bbcd6c7e412bd201091c5a3a1a3e0d8857304bf",
    "cross_cats_sorted": [
      "eess.AS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SD",
    "submitted_at": "2020-02-11T16:02:43Z",
    "title_canon_sha256": "b4850f9f6472bae2fa507450dd02e4496761e2d42c046688cfa7ca92812eb58d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.04502",
    "kind": "arxiv",
    "version": 1
  }
}