Pith Number

pith:D34XEHDU

pith:2019:D34XEHDU2B3DJA3CWC4LRZPUUY

not attested not anchored not stored refs pending

Intelligent Wide-band Spectrum Classifier

Behrad Toghi, M. O. Mughal, Sarfaraz Hussein, Yaser P. Fallah

arxiv:1904.06322 v1 · 2019-04-12 · eess.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{D34XEHDU2B3DJA3CWC4LRZPUUY}

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	2026-05-17T23:48:43.589887Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1ef9721c74d076348362b0b8b8e5f4a62b1fe4303dbb12896bf75218f241eb1d

Aliases

arxiv: 1904.06322 · arxiv_version: 1904.06322v1 · doi: 10.48550/arxiv.1904.06322 · pith_short_12: D34XEHDU2B3D · pith_short_16: D34XEHDU2B3DJA3C · pith_short_8: D34XEHDU

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/D34XEHDU2B3DJA3CWC4LRZPUUY \
  | 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: 1ef9721c74d076348362b0b8b8e5f4a62b1fe4303dbb12896bf75218f241eb1d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a158de5becce70bebc5ddf92fe6449b6677f92251839666ca84b1e0618eeb34d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2019-04-12T16:58:05Z",
    "title_canon_sha256": "0306272175061b6a0f1fa664be64381f67aa7591c0d79003c86aa12ff914e62f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.06322",
    "kind": "arxiv",
    "version": 1
  }
}