Pith Number

pith:2M2FF3DB

pith:2009:2M2FF3DBPD6GZ27XU4ARQ2KQND

not attested not anchored not stored refs pending

Sum Capacity of MIMO Interference Channels in the Low Interference Regime

Venugopal V. Veeravalli, V. Sreekanth Annapureddy

arxiv:0909.2074 v2 · 2009-09-11 · 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{2M2FF3DBPD6GZ27XU4ARQ2KQND}

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	2026-05-18T04:38:58.296210Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d33452ec6178fc6cebf7a70118695068c643ca09ffac080f2b60ba5553490642

Aliases

arxiv: 0909.2074 · arxiv_version: 0909.2074v2 · doi: 10.48550/arxiv.0909.2074 · pith_short_12: 2M2FF3DBPD6G · pith_short_16: 2M2FF3DBPD6GZ27X · pith_short_8: 2M2FF3DB

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/2M2FF3DBPD6GZ27XU4ARQ2KQND \
  | 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: d33452ec6178fc6cebf7a70118695068c643ca09ffac080f2b60ba5553490642

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "675ff06444e5e0cbacb97a7b6f9b5d6f888cdf2ef4e596f3eea00d3948c0e832",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2009-09-11T01:28:52Z",
    "title_canon_sha256": "4ec0bc02211a166a331f14b64a33c492f430686c70e082c47bf2be4b07dfbc96"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.2074",
    "kind": "arxiv",
    "version": 2
  }
}