Pith Number

pith:KGJXM55S

pith:2010:KGJXM55SOUWJKYRWEYMVOA4A75

not attested not anchored not stored refs pending

Cooperative Algorithms for MIMO Interference Channels

Robert W. Heath Jr, Steven W. Peters

arxiv:1002.0424 v2 · 2010-02-02 · 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{KGJXM55SOUWJKYRWEYMVOA4A75}

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	2026-05-18T04:39:59.365296Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

51937677b2752c9562362619570380ff500633afefedfae6d815ee557b56e922

Aliases

arxiv: 1002.0424 · arxiv_version: 1002.0424v2 · doi: 10.48550/arxiv.1002.0424 · pith_short_12: KGJXM55SOUWJ · pith_short_16: KGJXM55SOUWJKYRW · pith_short_8: KGJXM55S

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/KGJXM55SOUWJKYRWEYMVOA4A75 \
  | 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: 51937677b2752c9562362619570380ff500633afefedfae6d815ee557b56e922

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eb365b9047544c7c2fb590c818d5ea374d4a2872dfb911a63cf6fd21fa673f79",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2010-02-02T08:54:23Z",
    "title_canon_sha256": "25de1fbad3beff1548f7264ce3c3af12fd40f70760ef065f950095309ab00f7b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1002.0424",
    "kind": "arxiv",
    "version": 2
  }
}