Pith Number

pith:3V7IB64P

pith:2017:3V7IB64PYKWEIUCTRDUWN2HPIZ

not attested not anchored not stored refs pending

An Overview of Massive MIMO Research at the University of Bristol

Andrew Nix, Angela Doufexi, Benny Chitambira, Evangelos Mellios, Henry Brice, Mark Beach, Paul Harris, Simon Armour, Wael Boukley Hasan

arxiv:1705.07540 v1 · 2017-05-22 · 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{3V7IB64PYKWEIUCTRDUWN2HPIZ}

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	2026-05-18T00:44:05.266524Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dd7e80fb8fc2ac44505388e966e8ef4671f0afe4d3f60dad30e1948e15b3749f

Aliases

arxiv: 1705.07540 · arxiv_version: 1705.07540v1 · doi: 10.48550/arxiv.1705.07540 · pith_short_12: 3V7IB64PYKWE · pith_short_16: 3V7IB64PYKWEIUCT · pith_short_8: 3V7IB64P

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/3V7IB64PYKWEIUCTRDUWN2HPIZ \
  | 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: dd7e80fb8fc2ac44505388e966e8ef4671f0afe4d3f60dad30e1948e15b3749f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3a00d0dc6915534bde0359c621bf4cdfdb4dce24da48cc35c3cf9a9841a62572",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2017-05-22T02:40:33Z",
    "title_canon_sha256": "43ab8da4811762f5d9be1b4594ae01451c0d4b894df76945365e69f0ad78ebe6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.07540",
    "kind": "arxiv",
    "version": 1
  }
}