Pith Number

pith:BEE4TJCF

pith:2014:BEE4TJCF6OGQDFYIC37BUTYO4S

not attested not anchored not stored refs pending

Fast-Decodable Space-Time Codes for the $N$-Relay and Multiple-Access MIMO Channel

Amaro Barreal, Camilla Hollanti, Nadya Markin

arxiv:1412.1257 v2 · 2014-12-03 · cs.IT · math.IT · math.NT

Open paper page JSON Open Graph Bundle Merged state What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BEE4TJCF6OGQDFYIC37BUTYO4S}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T01:24:38.509722Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0909c9a445f38d01970816fe1a4f0ee4b57fed6670d1506d9510ad45e25a33b7

Aliases

arxiv: 1412.1257 · arxiv_version: 1412.1257v2 · doi: 10.48550/arxiv.1412.1257 · pith_short_12: BEE4TJCF6OGQ · pith_short_16: BEE4TJCF6OGQDFYI · pith_short_8: BEE4TJCF

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/BEE4TJCF6OGQDFYIC37BUTYO4S \
  | 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: 0909c9a445f38d01970816fe1a4f0ee4b57fed6670d1506d9510ad45e25a33b7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f96fcd968b51bd55ab4fad58e87deda84bfe0c9298377a894bcd566c5f37f6a4",
    "cross_cats_sorted": [
      "math.IT",
      "math.NT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2014-12-03T10:13:41Z",
    "title_canon_sha256": "aedad5c144a87c4de87ea29b96d7907af96d63b4848001d85e9ec810611d0ae5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.1257",
    "kind": "arxiv",
    "version": 2
  }
}