Pith Number

pith:S5HFIG67

pith:2019:S5HFIG67FX4W6W5I2AH7NPPY5T

not attested not anchored not stored refs pending

Learning sound representations using trainable COPE feature extractors

Mario Vento, Nicolai Petkov, Nicola Strisciuglio

arxiv:1901.06904 v2 · 2019-01-21 · eess.AS · cs.LG · 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{S5HFIG67FX4W6W5I2AH7NPPY5T}

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	2026-05-17T23:50:40.721562Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

974e541bdf2df96f5ba8d00ff6bdf8ecd745cce0e3a5d122a273be9ae804de07

Aliases

arxiv: 1901.06904 · arxiv_version: 1901.06904v2 · doi: 10.48550/arxiv.1901.06904 · pith_short_12: S5HFIG67FX4W · pith_short_16: S5HFIG67FX4W6W5I · pith_short_8: S5HFIG67

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/S5HFIG67FX4W6W5I2AH7NPPY5T \
  | 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: 974e541bdf2df96f5ba8d00ff6bdf8ecd745cce0e3a5d122a273be9ae804de07

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b946d0768a73bcd8023f4c6cdbbc7c92755609ed4040b3707e4940cedbe41c93",
    "cross_cats_sorted": [
      "cs.LG",
      "cs.SD"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.AS",
    "submitted_at": "2019-01-21T12:18:41Z",
    "title_canon_sha256": "0e85dca04833e13353afa1551c43c2be4808057b4076fa9e2220180f7aad6915"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.06904",
    "kind": "arxiv",
    "version": 2
  }
}