Pith Number

pith:2XEKB3HD

pith:2012:2XEKB3HD2KJZT6MIIBBWKIR3DU

not attested not anchored not stored refs pending

Precoder Design for Orthogonal Space-Time Block Coding based Cognitive Radio with Polarized Antennas

Abdelwaheb Marzouki, Xin Jin

arxiv:1208.5012 v2 · 2012-08-24 · cs.NI · 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{2XEKB3HD2KJZT6MIIBBWKIR3DU}

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	2026-05-18T03:47:00.509149Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d5c8a0ece3d29399f988404365223b1d3071105350befb6e95d721b5b3e0dad4

Aliases

arxiv: 1208.5012 · arxiv_version: 1208.5012v2 · doi: 10.48550/arxiv.1208.5012 · pith_short_12: 2XEKB3HD2KJZ · pith_short_16: 2XEKB3HD2KJZT6MI · pith_short_8: 2XEKB3HD

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/2XEKB3HD2KJZT6MIIBBWKIR3DU \
  | 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: d5c8a0ece3d29399f988404365223b1d3071105350befb6e95d721b5b3e0dad4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fb022d695c3f454f39f98c3ecdfa6068158047f27582416b60ee375a75ddad5c",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "http://creativecommons.org/licenses/publicdomain/",
    "primary_cat": "cs.NI",
    "submitted_at": "2012-08-24T17:22:57Z",
    "title_canon_sha256": "1f87ea8218e00a80d6ac1d61065f6ccca56e5e810f39c1bcdf1c6e115f7e99f2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.5012",
    "kind": "arxiv",
    "version": 2
  }
}