Pith Number

pith:X2U4MKEE

pith:2017:X2U4MKEEWAQE5C6DRMCLA3E4N2

not attested not anchored not stored refs pending

Massive MIMO Unlicensed: A New Approach to Dynamic Spectrum Access

Adrian Garcia-Rodriguez, Andrea Bonfante, David Lopez-Perez, Giovanni Geraci, Lorenzo Galati Giordano, Ming Ding

arxiv:1704.01139 v1 · 2017-04-04 · 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{X2U4MKEEWAQE5C6DRMCLA3E4N2}

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	2026-05-18T00:47:00.245535Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bea9c62884b0204e8bc38b04b06c9c6e8756f42460237b5b01044a6800b2c79e

Aliases

arxiv: 1704.01139 · arxiv_version: 1704.01139v1 · doi: 10.48550/arxiv.1704.01139 · pith_short_12: X2U4MKEEWAQE · pith_short_16: X2U4MKEEWAQE5C6D · pith_short_8: X2U4MKEE

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/X2U4MKEEWAQE5C6DRMCLA3E4N2 \
  | 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: bea9c62884b0204e8bc38b04b06c9c6e8756f42460237b5b01044a6800b2c79e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "157e61aa8ec292e50327e77505cfe335bd17c33397d43ea5106a8dd064d48c82",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2017-04-04T18:20:09Z",
    "title_canon_sha256": "21b968966d641319727f18ba781efab8029140748b19653a8341b271df570c4a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.01139",
    "kind": "arxiv",
    "version": 1
  }
}