Pith Number

pith:ACRXRU4E

pith:2007:ACRXRU4EJBPOAVU5LZ5FBL6ZR5

not attested not anchored not stored refs pending

Space-time coding techniques with bit-interleaved coded modulations for MIMO block-fading channels

Joseph Boutros, Loic Brunel, Nicolas Gresset

arxiv:0706.2310 v1 · 2007-06-15 · 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{ACRXRU4EJBPOAVU5LZ5FBL6ZR5}

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	2026-05-18T00:59:12.093889Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

00a378d384485ee0569d5e7a50afd98f5c3ed21392bad3d089165d097149025e

Aliases

arxiv: 0706.2310 · arxiv_version: 0706.2310v1 · doi: 10.48550/arxiv.0706.2310 · pith_short_12: ACRXRU4EJBPO · pith_short_16: ACRXRU4EJBPOAVU5 · pith_short_8: ACRXRU4E

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/ACRXRU4EJBPOAVU5LZ5FBL6ZR5 \
  | 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: 00a378d384485ee0569d5e7a50afd98f5c3ed21392bad3d089165d097149025e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "553eb3e2fba1f36537cb4190abd87539ab8884239ddaa7331f556088b99058fa",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "",
    "primary_cat": "cs.IT",
    "submitted_at": "2007-06-15T15:14:01Z",
    "title_canon_sha256": "09eb4707be40ead58a9573393436e5ba37f15581b28716915c93413c70a46b9f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0706.2310",
    "kind": "arxiv",
    "version": 1
  }
}