Pith Number

pith:Q4OJITTJ

pith:2011:Q4OJITTJZGL66AMLKRYK42GLNR

not attested not anchored not stored refs pending

Total Variation Minimization Based Compressive Wideband Spectrum Sensing for Cognitive Radios

Qun Wan, Yipeng Liu

arxiv:1106.3629 v1 · 2011-06-18 · 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{Q4OJITTJZGL66AMLKRYK42GLNR}

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	2026-05-18T04:19:42.638898Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

871c944e69c997ef018b5470ae68cb6c6b7db4fe9fabd2bb5a38e7737e031c28

Aliases

arxiv: 1106.3629 · arxiv_version: 1106.3629v1 · doi: 10.48550/arxiv.1106.3629 · pith_short_12: Q4OJITTJZGL6 · pith_short_16: Q4OJITTJZGL66AML · pith_short_8: Q4OJITTJ

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/Q4OJITTJZGL66AMLKRYK42GLNR \
  | 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: 871c944e69c997ef018b5470ae68cb6c6b7db4fe9fabd2bb5a38e7737e031c28

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b192a6524e821b2ab4ba843b7cea3c19dcfc57ffe8ef1de6f1fa7b42b66cf4cc",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2011-06-18T09:01:03Z",
    "title_canon_sha256": "d4b613c0db3641ae07cdfb34de204373d6665b118dc0ba8b1cdb8e680a2d1dbe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.3629",
    "kind": "arxiv",
    "version": 1
  }
}