Pith Number

pith:IYTV25JB

pith:2013:IYTV25JBIQKK7WAEWAS3MTDZRO

not attested not anchored not stored refs pending

Massive MIMO for Next Generation Wireless Systems

Erik G. Larsson, Fredrik Tufvesson, Ove Edfors, Thomas L. Marzetta

arxiv:1304.6690 v3 · 2013-04-24 · 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{IYTV25JBIQKK7WAEWAS3MTDZRO}

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	2026-05-18T00:57:56.423126Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

46275d75214414afd804b025b64c798b88f8aa2338a85eab094c72fc3e32d372

Aliases

arxiv: 1304.6690 · arxiv_version: 1304.6690v3 · doi: 10.48550/arxiv.1304.6690 · pith_short_12: IYTV25JBIQKK · pith_short_16: IYTV25JBIQKK7WAE · pith_short_8: IYTV25JB

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/IYTV25JBIQKK7WAEWAS3MTDZRO \
  | 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: 46275d75214414afd804b025b64c798b88f8aa2338a85eab094c72fc3e32d372

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "941fcd8c5a3fb6b451ac6bfcdfa1bda50524671393624353f4f48ae3a5629112",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2013-04-24T18:25:56Z",
    "title_canon_sha256": "c8cfb8149d6d0e9dc0a73b777d6008aedbc30ae99938a3c1af4b0dad9b332b67"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.6690",
    "kind": "arxiv",
    "version": 3
  }
}