Pith Number

pith:GGQDM27M

pith:2014:GGQDM27M4NDHMVK7XWOUJ27DDS

not attested not anchored not stored refs pending

Massive MIMO testbed - Implementation and Initial Results in System Model Validation

Changchun Zhang, Robert C. Qiu

arxiv:1501.00035 v1 · 2014-12-30 · cs.IT · cs.NI · 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{GGQDM27M4NDHMVK7XWOUJ27DDS}

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	2026-05-18T02:30:14.901824Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

31a0366bece34676555fbd9d44ebe31cab66a9d84cadbc73b1e77d4a1271c09c

Aliases

arxiv: 1501.00035 · arxiv_version: 1501.00035v1 · doi: 10.48550/arxiv.1501.00035 · pith_short_12: GGQDM27M4NDH · pith_short_16: GGQDM27M4NDHMVK7 · pith_short_8: GGQDM27M

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/GGQDM27M4NDHMVK7XWOUJ27DDS \
  | 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: 31a0366bece34676555fbd9d44ebe31cab66a9d84cadbc73b1e77d4a1271c09c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "33d81b24f1fd4508e51e6f897b4a34a6668800e10e4d0e01d299de235b2e51c4",
    "cross_cats_sorted": [
      "cs.NI",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2014-12-30T22:21:57Z",
    "title_canon_sha256": "29d7f0cea5239f189ce4b503500edc85e7f06897091f3fc16228cfaf31ed2252"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.00035",
    "kind": "arxiv",
    "version": 1
  }
}