Pith Number

pith:EOVCPQLP

pith:2013:EOVCPQLPA7RCKV6IYR2PLRPX2K

not attested not anchored not stored refs pending

Wideband Spectrum Sensing for Cognitive Radio Networks: A Survey

Arumugam Nallanathan, Cheng-Xiang Wang, Hongjian Sun, Yunfei Chen

arxiv:1302.1777 v2 · 2013-02-07 · 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{EOVCPQLPA7RCKV6IYR2PLRPX2K}

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	2026-05-18T03:31:53.815741Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

23aa27c16f07e22557c8c474f5c5f7d29aedce62e1ad6ad783eae100107a923d

Aliases

arxiv: 1302.1777 · arxiv_version: 1302.1777v2 · doi: 10.48550/arxiv.1302.1777 · pith_short_12: EOVCPQLPA7RC · pith_short_16: EOVCPQLPA7RCKV6I · pith_short_8: EOVCPQLP

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/EOVCPQLPA7RCKV6IYR2PLRPX2K \
  | 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: 23aa27c16f07e22557c8c474f5c5f7d29aedce62e1ad6ad783eae100107a923d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6f3208a00e742d0093404d7a9ef5c6a6bd6d32f0bfb0e21eb26f4174ee392b84",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2013-02-07T15:18:39Z",
    "title_canon_sha256": "dca334231a6812e628cc2dd7d4d4a31d6e3a4564db03092d7010203b99130e87"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.1777",
    "kind": "arxiv",
    "version": 2
  }
}