Pith Number

pith:N4UIXQWK

pith:2013:N4UIXQWK6CQHHBA6XF3SZR2IGE

not attested not anchored not stored refs pending

Adaptive Randomized Distributed Space-Time Coding in Cooperative MIMO Relay Systems

A. Schmeink, R. C. de Lamare, T. Peng

arxiv:1303.4120 v1 · 2013-03-17 · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{N4UIXQWK6CQHHBA6XF3SZR2IGE}

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	2026-05-18T03:30:39.731022Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6f288bc2caf0a073841eb9772cc7483122bdd50c6fbb5c3254c009de86c3d1a0

Aliases

arxiv: 1303.4120 · arxiv_version: 1303.4120v1 · doi: 10.48550/arxiv.1303.4120 · pith_short_12: N4UIXQWK6CQH · pith_short_16: N4UIXQWK6CQHHBA6 · pith_short_8: N4UIXQWK

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/N4UIXQWK6CQHHBA6XF3SZR2IGE \
  | 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: 6f288bc2caf0a073841eb9772cc7483122bdd50c6fbb5c3254c009de86c3d1a0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9a8cd0c7bbea6a12946637a89ca20dbb87d8c49583861ffd254a50d67aaa932d",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2013-03-17T23:39:01Z",
    "title_canon_sha256": "1d8170fef2f3ca80f930ae60b3eecc5f356dec32ed63ed450f96ebff3368da51"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.4120",
    "kind": "arxiv",
    "version": 1
  }
}