Pith Number

pith:IEDHYCCV

pith:2009:IEDHYCCV2W7DIRERYMGMQE7BUH

not attested not anchored not stored refs pending

From Spectrum Pooling to Space Pooling: Opportunistic Interference Alignment in MIMO Cognitive Networks

M. Debbah, N. Fawaz, S. Lasaulce, S.M. Perlaza

arxiv:0907.1255 v2 · 2009-07-07 · 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{IEDHYCCV2W7DIRERYMGMQE7BUH}

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	2026-05-18T02:13:04.676910Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

41067c0855d5be344491c30cc813e1a1f5767d9c4f5f13bcb725e362ba4d9e2a

Aliases

arxiv: 0907.1255 · arxiv_version: 0907.1255v2 · doi: 10.48550/arxiv.0907.1255 · pith_short_12: IEDHYCCV2W7D · pith_short_16: IEDHYCCV2W7DIRER · pith_short_8: IEDHYCCV

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/IEDHYCCV2W7DIRERYMGMQE7BUH \
  | 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: 41067c0855d5be344491c30cc813e1a1f5767d9c4f5f13bcb725e362ba4d9e2a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2e749f29b4b6425af04b813d9b03150e8c62205974e44afe74d4372d22b36a36",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2009-07-07T16:43:34Z",
    "title_canon_sha256": "088d2b675ecbc7bbd3107a3686a9f45748d5cb2bc5da2232100f3c99efc36616"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.1255",
    "kind": "arxiv",
    "version": 2
  }
}