Pith Number

pith:RMY65QDW

pith:2015:RMY65QDWKK2DC2BMNQ7SZHJFKR

not attested not anchored not stored refs pending

High Rate/Low Complexity Space-Time Block Codes for 2x2 Reconfigurable MIMO Systems

Hamid Jafarkhani, Hani Mehrpouyan, Vida Vakilian, Yingbo Hua

arxiv:1505.06729 v1 · 2015-05-24 · 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{RMY65QDWKK2DC2BMNQ7SZHJFKR}

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	2026-05-18T02:03:32.012741Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8b31eec07652b431682c6c3f2c9d25546accc03bd877fba2b62883887d9673fa

Aliases

arxiv: 1505.06729 · arxiv_version: 1505.06729v1 · doi: 10.48550/arxiv.1505.06729 · pith_short_12: RMY65QDWKK2D · pith_short_16: RMY65QDWKK2DC2BM · pith_short_8: RMY65QDW

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/RMY65QDWKK2DC2BMNQ7SZHJFKR \
  | 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: 8b31eec07652b431682c6c3f2c9d25546accc03bd877fba2b62883887d9673fa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b2ae669e539fa462e718a87d506a8c35069239dc9fbbd098a03b2e38d04c89fd",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2015-05-24T19:08:56Z",
    "title_canon_sha256": "9e1eb24dcab9ab6118b508ff8589cc7670ea067431807875eebde2440e54bc54"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.06729",
    "kind": "arxiv",
    "version": 1
  }
}