Pith Number

pith:42RKW4H5

pith:2016:42RKW4H52AY7UELJGTRBKVWBDE

not attested not anchored not stored refs pending

Omnidirectional Space-Time Block Coding for Common Information Broadcasting in Massive MIMO Systems

Xiang-Gen Xia, Xin Meng, Xiqi Gao

arxiv:1610.07771 v1 · 2016-10-25 · 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{42RKW4H52AY7UELJGTRBKVWBDE}

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	2026-05-18T01:01:17.631139Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e6a2ab70fdd031fa116934e21556c1191bb574a5ed9223b85b710a89c06eda9d

Aliases

arxiv: 1610.07771 · arxiv_version: 1610.07771v1 · doi: 10.48550/arxiv.1610.07771 · pith_short_12: 42RKW4H52AY7 · pith_short_16: 42RKW4H52AY7UELJ · pith_short_8: 42RKW4H5

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/42RKW4H52AY7UELJGTRBKVWBDE \
  | 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: e6a2ab70fdd031fa116934e21556c1191bb574a5ed9223b85b710a89c06eda9d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "615357843e0da4814ca29abee5dcfcc90a8a39bf56e592a0d6c70ab3acd1f4ee",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2016-10-25T07:54:08Z",
    "title_canon_sha256": "0a981504b2a1ed46e34e7a4a5da29c0e20d8692fd801bf3511b0c986251a6d1a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.07771",
    "kind": "arxiv",
    "version": 1
  }
}