Pith Number

pith:54BQ7BL6

pith:2013:54BQ7BL6VMKXMEAINLKKWKGWPY

not attested not anchored not stored refs pending

Adaptive Compressive Spectrum Sensing for Wideband Cognitive Radios

A. Nallanathan, Hongjian Sun, Wei-Yu Chiu

arxiv:1302.1842 v1 · 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{54BQ7BL6VMKXMEAINLKKWKGWPY}

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	2026-05-18T03:31:32.453433Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ef030f857eab157610086ad4ab28d67e3975d874c55f98b810486e4d864ff5b9

Aliases

arxiv: 1302.1842 · arxiv_version: 1302.1842v1 · doi: 10.48550/arxiv.1302.1842 · pith_short_12: 54BQ7BL6VMKX · pith_short_16: 54BQ7BL6VMKXMEAI · pith_short_8: 54BQ7BL6

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/54BQ7BL6VMKXMEAINLKKWKGWPY \
  | 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: ef030f857eab157610086ad4ab28d67e3975d874c55f98b810486e4d864ff5b9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6a9b271532b418e6b2d68e4d0fec5e172c9f1ec1ef6f8fceff9cdd94fc7d79b0",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2013-02-07T19:55:06Z",
    "title_canon_sha256": "00fdb3e51e9fe761e406c1804c4624e3f1370c3424ffafc69b6ae1156e71aa73"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.1842",
    "kind": "arxiv",
    "version": 1
  }
}