Pith Number

pith:3R7ODECT

pith:2015:3R7ODECT4WXCKVF5YEQK5FDRIW

not attested not anchored not stored refs pending

Quantized Massive MU-MIMO-OFDM Uplink

Christoph Studer, Giuseppe Durisi

arxiv:1509.07928 v2 · 2015-09-26 · 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{3R7ODECT4WXCKVF5YEQK5FDRIW}

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	2026-05-18T01:16:34.930334Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dc7ee19053e5ae2554bdc120ae9471458bc13e6d2e86c09c9e98077ccdf0bc85

Aliases

arxiv: 1509.07928 · arxiv_version: 1509.07928v2 · doi: 10.48550/arxiv.1509.07928 · pith_short_12: 3R7ODECT4WXC · pith_short_16: 3R7ODECT4WXCKVF5 · pith_short_8: 3R7ODECT

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/3R7ODECT4WXCKVF5YEQK5FDRIW \
  | 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: dc7ee19053e5ae2554bdc120ae9471458bc13e6d2e86c09c9e98077ccdf0bc85

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "457fdabde0978ea2b9ec0098c6251e90d9ec21a3ef7346bf49b9a048178bdcd7",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2015-09-26T00:24:10Z",
    "title_canon_sha256": "b1b0c180d3baa4d439ceb18d9ef759fb7768c78e3dafae690accf77cbac5eff7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.07928",
    "kind": "arxiv",
    "version": 2
  }
}