Pith Number

pith:SHWFYUZF

pith:2011:SHWFYUZFGUR6F3KUJMFIAO5CBQ

not attested not anchored not stored refs pending

A Sub-Space Method to Detect Multiple Wireless Microphone Signals in TV Band White Space

Dinesh Datla, Harpreet S. Dhillon, Jeffrey H. Reed, Jeong-O Jeong, Michael Benonis, R. Michael Buehrer

arxiv:1102.3939 v1 · 2011-02-18 · cs.IT · math.IT · stat.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SHWFYUZFGUR6F3KUJMFIAO5CBQ}

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	2026-05-18T04:28:19.492742Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

91ec5c53253523e2ed544b0a803ba20c287d85e261e59acc25c2bafa3f081f1c

Aliases

arxiv: 1102.3939 · arxiv_version: 1102.3939v1 · doi: 10.48550/arxiv.1102.3939 · pith_short_12: SHWFYUZFGUR6 · pith_short_16: SHWFYUZFGUR6F3KU · pith_short_8: SHWFYUZF

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/SHWFYUZFGUR6F3KUJMFIAO5CBQ \
  | 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: 91ec5c53253523e2ed544b0a803ba20c287d85e261e59acc25c2bafa3f081f1c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0f993a6220cc81179cdf4595e6a537c609ab6fcada02264c0e5d1607355c7535",
    "cross_cats_sorted": [
      "math.IT",
      "stat.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2011-02-18T23:51:59Z",
    "title_canon_sha256": "44af32395353937a5e7d169a043322b47cc006e967e3a388f3bb7929b1ea1090"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.3939",
    "kind": "arxiv",
    "version": 1
  }
}