Pith Number

pith:DLT227WO

pith:2018:DLT227WOS7SRHR64WRIMP6GY7U

not attested not anchored not stored refs pending

Audio Spectrogram Factorization for Classification of Telephony Signals below the Auditory Threshold

Iroro Orife, Jason Flaks, Shane Walker

arxiv:1811.04139 v1 · 2018-11-09 · 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{DLT227WOS7SRHR64WRIMP6GY7U}

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	2026-05-18T00:01:06.221554Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1ae7ad7ece97e513c7dcb450c7f8d8fd2d3e09d811339ee47ef61584b1071688

Aliases

arxiv: 1811.04139 · arxiv_version: 1811.04139v1 · doi: 10.48550/arxiv.1811.04139 · pith_short_12: DLT227WOS7SR · pith_short_16: DLT227WOS7SRHR64 · pith_short_8: DLT227WO

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/DLT227WOS7SRHR64WRIMP6GY7U \
  | 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: 1ae7ad7ece97e513c7dcb450c7f8d8fd2d3e09d811339ee47ef61584b1071688

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6aff4d1628dd3e007f56528799a711b470f29bd48b20661d02d983e1407f8ee6",
    "cross_cats_sorted": [
      "eess.AS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SD",
    "submitted_at": "2018-11-09T21:24:47Z",
    "title_canon_sha256": "773c312d84dff7c94c072c03fca6454c663d125150e90cba4acf7fed1c078b4b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.04139",
    "kind": "arxiv",
    "version": 1
  }
}