Pith Number

pith:IW2ZZDSH

pith:2016:IW2ZZDSHIE7DUJ63QF7BXNO63U

not attested not anchored not stored refs pending

Selective Uplink Training for Massive MIMO Systems

Changming Li, Jun Zhang, K. B. Letaief, Shenghui Song

arxiv:1602.08857 v1 · 2016-02-29 · 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{IW2ZZDSHIE7DUJ63QF7BXNO63U}

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	2026-05-18T00:58:33.973020Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

45b59c8e47413e3a27db817e1bb5dedd092e7788ab5ec575eee1d99ef8bb898a

Aliases

arxiv: 1602.08857 · arxiv_version: 1602.08857v1 · doi: 10.48550/arxiv.1602.08857 · pith_short_12: IW2ZZDSHIE7D · pith_short_16: IW2ZZDSHIE7DUJ63 · pith_short_8: IW2ZZDSH

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/IW2ZZDSHIE7DUJ63QF7BXNO63U \
  | 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: 45b59c8e47413e3a27db817e1bb5dedd092e7788ab5ec575eee1d99ef8bb898a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "16f47f75e657d95ba624b558f3036cf5461c57b391130e7bb593979739b7ff2c",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2016-02-29T08:27:51Z",
    "title_canon_sha256": "5a0f9845a5894e049559d9da8f83062a0f2bd874170450d2fa2ebc97c15a2e85"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.08857",
    "kind": "arxiv",
    "version": 1
  }
}