Pith Number

pith:HKAS4W4E

pith:2015:HKAS4W4ENTJQ5UHPFX4ZPBXAC4

not attested not anchored not stored refs pending

Space-Frequency Block Code for MIMO-OFDM Communication Systems with Reconfigurable Antennas

Jean-Francois Frigon, Sebastien Roy, Vida Vakilian

arxiv:1508.03374 v1 · 2015-08-13 · 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{HKAS4W4ENTJQ5UHPFX4ZPBXAC4}

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	2026-05-18T01:35:19.838385Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3a812e5b846cd30ed0ef2df99786e0170f000f1b685aad248f0f61587ac41584

Aliases

arxiv: 1508.03374 · arxiv_version: 1508.03374v1 · doi: 10.48550/arxiv.1508.03374 · pith_short_12: HKAS4W4ENTJQ · pith_short_16: HKAS4W4ENTJQ5UHP · pith_short_8: HKAS4W4E

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/HKAS4W4ENTJQ5UHPFX4ZPBXAC4 \
  | 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: 3a812e5b846cd30ed0ef2df99786e0170f000f1b685aad248f0f61587ac41584

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b950537b538caa306b722277503b5c7fb33c03cc021414a646f613754c064a23",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2015-08-13T22:14:33Z",
    "title_canon_sha256": "6dfb1f9394fa121a4ea330509ce78e17bf7eccb1f491e06eb6662ec891413986"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.03374",
    "kind": "arxiv",
    "version": 1
  }
}