Pith Number

pith:JOE7RBJO

pith:2013:JOE7RBJOPPTAFRU4ZOYUTXEYAO

not attested not anchored not stored refs pending

Quantitative Assessment of TV White Space in India

Abhay Karandikar, Animesh Kumar, Gaurang Naik, Sudesh Singhal

arxiv:1310.8540 v1 · 2013-10-31 · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JOE7RBJOPPTAFRU4ZOYUTXEYAO}

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	2026-05-18T03:08:16.695546Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4b89f8852e7be602c69ccbb149dc980390bbb41eef51184d59166f04dba8d1e6

Aliases

arxiv: 1310.8540 · arxiv_version: 1310.8540v1 · doi: 10.48550/arxiv.1310.8540 · pith_short_12: JOE7RBJOPPTA · pith_short_16: JOE7RBJOPPTAFRU4 · pith_short_8: JOE7RBJO

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/JOE7RBJOPPTAFRU4ZOYUTXEYAO \
  | 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: 4b89f8852e7be602c69ccbb149dc980390bbb41eef51184d59166f04dba8d1e6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4c1a993f12bf267ea50ed694becfdb0dff37caa5dd4b293e3545939a51297371",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2013-10-31T15:12:02Z",
    "title_canon_sha256": "9963b454e24a50b37ef4998fdc1b20a5be5ab9af53023a8ebe49fc17df49bd55"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.8540",
    "kind": "arxiv",
    "version": 1
  }
}