Pith Number

pith:RQDCC2KY

pith:2016:RQDCC2KYY3UKHUORKD36RECA6A

not attested not anchored not stored refs pending

The World's First Real-Time Testbed for Massive MIMO: Design, Implementation, and Validation

Fredrik Tufvesson, Ian Wong, Joao Vieira, Karl Nieman, Liang Liu, Nikhil Kundargi, Ove Edfors, Paul Harris, Steffen Malkowsky, Viktor \"Owall

arxiv:1701.01161 v2 · 2016-12-20 · 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{RQDCC2KYY3UKHUORKD36RECA6A}

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	2026-05-18T00:44:23.876171Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8c06216958c6e8a3d1d150f7e89040f01a498c114c7bdb38da68e79d9a56ab91

Aliases

arxiv: 1701.01161 · arxiv_version: 1701.01161v2 · doi: 10.48550/arxiv.1701.01161 · pith_short_12: RQDCC2KYY3UK · pith_short_16: RQDCC2KYY3UKHUOR · pith_short_8: RQDCC2KY

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/RQDCC2KYY3UKHUORKD36RECA6A \
  | 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: 8c06216958c6e8a3d1d150f7e89040f01a498c114c7bdb38da68e79d9a56ab91

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "07d3d51a43a49da96e25e2a79d6e732883522f3331912fcbbd9775fc93ae660a",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2016-12-20T14:22:21Z",
    "title_canon_sha256": "2289f092656cbccf1a01df5efb66fbb119a9db058380d1d5e63e877fe73afaa5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.01161",
    "kind": "arxiv",
    "version": 2
  }
}