Pith Number

pith:EM6R4O2U

pith:2014:EM6R4O2UW6JN7QZEGAEQNJAZPO

not attested not anchored not stored refs pending

On the Estimation of Channel State Transitions for Cognitive Radio Systems

Ankit Kaushik, Friedrich K. Jondral

arxiv:1402.4933 v1 · 2014-02-20 · 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{EM6R4O2UW6JN7QZEGAEQNJAZPO}

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	2026-05-18T02:58:31.646082Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

233d1e3b54b792dfc324300906a4197b93b873481e946bf159aaa03d111a9ca2

Aliases

arxiv: 1402.4933 · arxiv_version: 1402.4933v1 · doi: 10.48550/arxiv.1402.4933 · pith_short_12: EM6R4O2UW6JN · pith_short_16: EM6R4O2UW6JN7QZE · pith_short_8: EM6R4O2U

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/EM6R4O2UW6JN7QZEGAEQNJAZPO \
  | 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: 233d1e3b54b792dfc324300906a4197b93b873481e946bf159aaa03d111a9ca2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7e3eb7252e8e5ae20370eda7a6e2385a2fd52e32d67134c8a0114edd73114232",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2014-02-20T08:40:41Z",
    "title_canon_sha256": "7e7235955461e9253f47006e6226ca0d5c2b0ec78fe4bb27115d10469c6fae48"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.4933",
    "kind": "arxiv",
    "version": 1
  }
}