Pith Number

pith:F7GNMTJL

pith:2018:F7GNMTJLREUYVYJAOHNX64FHUB

not attested not anchored not stored refs pending

Morse Code Datasets for Machine Learning

Keith M. Chugg, Peter A. Beerel, Sourya Dey

arxiv:1807.04239 v2 · 2018-07-11 · cs.LG · cs.IT · math.IT · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{F7GNMTJLREUYVYJAOHNX64FHUB}

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	2026-05-17T23:47:44.247134Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2fccd64d2b89298ae12071db7f70a7a061a57f8d0dc5f031a2ff1a6e5b6e46d8

Aliases

arxiv: 1807.04239 · arxiv_version: 1807.04239v2 · doi: 10.48550/arxiv.1807.04239 · pith_short_12: F7GNMTJLREUY · pith_short_16: F7GNMTJLREUYVYJA · pith_short_8: F7GNMTJL

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/F7GNMTJLREUYVYJAOHNX64FHUB \
  | 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: 2fccd64d2b89298ae12071db7f70a7a061a57f8d0dc5f031a2ff1a6e5b6e46d8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e62f154c837ee62c5a941d2808641a294d50c49cfd71d578d2d5864b68d484f2",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2018-07-11T16:41:49Z",
    "title_canon_sha256": "7c0a1b4bb3e0c3a5b00f40e161149a87a6acd46fa2802f0c4381e55ce84cee78"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.04239",
    "kind": "arxiv",
    "version": 2
  }
}