Pith Number

pith:VRHBG26U

pith:2009:VRHBG26URT5STUFLVHFAYQVAOB

not attested not anchored not stored refs pending

Cooperative Feedback for Multi-Antenna Cognitive Radio Networks

Kaibin Huang, Rui Zhang

arxiv:0911.2952 v2 · 2009-11-16 · 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{VRHBG26URT5STUFLVHFAYQVAOB}

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	2026-05-18T04:39:18.362149Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ac4e136bd48cfb29d0aba9ca0c42a07076d190bdc6854c6e56052f8ab6b5b8bc

Aliases

arxiv: 0911.2952 · arxiv_version: 0911.2952v2 · doi: 10.48550/arxiv.0911.2952 · pith_short_12: VRHBG26URT5S · pith_short_16: VRHBG26URT5STUFL · pith_short_8: VRHBG26U

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/VRHBG26URT5STUFLVHFAYQVAOB \
  | 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: ac4e136bd48cfb29d0aba9ca0c42a07076d190bdc6854c6e56052f8ab6b5b8bc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1ba26151b9f09e80fbcc44f1ca996065f95b7f0d1123d0755ce2e4a143f9d622",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2009-11-16T05:09:40Z",
    "title_canon_sha256": "bd02188ada59a4d93dcabb2fcbff8b31f9a2cc9b6ddd4e664b333eef815d8508"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.2952",
    "kind": "arxiv",
    "version": 2
  }
}