Pith Number

pith:53NKEKGJ

pith:2012:53NKEKGJAJG7AA7HOZ2BLHTPDT

not attested not anchored not stored refs pending

Multi-Antenna System Design with Bright Transmitters and Blind Receivers

Hamid Jafarkhani, Liangbin Li

arxiv:1203.4583 v1 · 2012-03-20 · 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{53NKEKGJAJG7AA7HOZ2BLHTPDT}

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	2026-05-18T03:59:37.698491Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eedaa228c9024df003e77674159e6f1cfda10b2f013074dd8b017fb545c4bedf

Aliases

arxiv: 1203.4583 · arxiv_version: 1203.4583v1 · doi: 10.48550/arxiv.1203.4583 · pith_short_12: 53NKEKGJAJG7 · pith_short_16: 53NKEKGJAJG7AA7H · pith_short_8: 53NKEKGJ

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/53NKEKGJAJG7AA7HOZ2BLHTPDT \
  | 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: eedaa228c9024df003e77674159e6f1cfda10b2f013074dd8b017fb545c4bedf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ae22877b2114fd9dc7a6b2e6e05fd30eb6729365c9997302e10bcd6358932823",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2012-03-20T21:02:02Z",
    "title_canon_sha256": "fe7218b97894546343f084db69999954778603b5a6c2435d47c546a43b5445fd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.4583",
    "kind": "arxiv",
    "version": 1
  }
}