Pith Number

pith:QVXMQKG7

pith:2017:QVXMQKG7UZ52U64PS4DMVHEJGH

not attested not anchored not stored refs pending

Joint Pilot Design and Uplink Power Allocation in Multi-Cell Massive MIMO Systems

Emil Bj\"ornson, Erik G. Larsson, Trinh Van Chien

arxiv:1707.03072 v2 · 2017-07-10 · 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{QVXMQKG7UZ52U64PS4DMVHEJGH}

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	2026-05-18T00:25:23.602599Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

856ec828dfa67baa7b8f9706ca9c8931e4bf8dbb777f7f5e827e2865a69778d2

Aliases

arxiv: 1707.03072 · arxiv_version: 1707.03072v2 · doi: 10.48550/arxiv.1707.03072 · pith_short_12: QVXMQKG7UZ52 · pith_short_16: QVXMQKG7UZ52U64P · pith_short_8: QVXMQKG7

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/QVXMQKG7UZ52U64PS4DMVHEJGH \
  | 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: 856ec828dfa67baa7b8f9706ca9c8931e4bf8dbb777f7f5e827e2865a69778d2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2e39ca9ff7a215bf72d989e641e7989e9e29d493c07b96a5dc66ba932ef3c8a0",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2017-07-10T22:00:25Z",
    "title_canon_sha256": "4739bb2436267dcffaa59d8c9e5f8404eb1d88a451d837f27a24a94c82719fcb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.03072",
    "kind": "arxiv",
    "version": 2
  }
}