Pith Number

pith:6M3MKUKX

pith:2019:6M3MKUKXWFG7TVGIM4YI7ATKSA

not attested not anchored not stored refs pending

Multi-Cell Sparse Activity Detection for Massive Random Access: Massive MIMO versus Cooperative MIMO

Foad Sohrabi, Wei Yu, Zhilin Chen

arxiv:1906.09494 v1 · 2019-06-22 · 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{6M3MKUKXWFG7TVGIM4YI7ATKSA}

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	2026-05-17T23:42:37.808810Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f336c55157b14df9d4c867308f826a90318669d21b94c433712d7f2d6cf5473a

Aliases

arxiv: 1906.09494 · arxiv_version: 1906.09494v1 · doi: 10.48550/arxiv.1906.09494 · pith_short_12: 6M3MKUKXWFG7 · pith_short_16: 6M3MKUKXWFG7TVGI · pith_short_8: 6M3MKUKX

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/6M3MKUKXWFG7TVGIM4YI7ATKSA \
  | 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: f336c55157b14df9d4c867308f826a90318669d21b94c433712d7f2d6cf5473a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7c54036a454c3e561dbb5a135c7c10326197ffe08a8e867a648e93f6c67a3c62",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2019-06-22T19:57:47Z",
    "title_canon_sha256": "6123780ca8cf7b48614bb260bc8c902aa93e3a7d7b4a96922158c1997488609f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.09494",
    "kind": "arxiv",
    "version": 1
  }
}