Pith Number

pith:OWLUUYXR

pith:2010:OWLUUYXRCXSAPC6KEBKOY6G5G2

not attested not anchored not stored refs pending

A Fixed Precoding Approach to Achieve the Degrees of Freedom in X channel

Mohammad Ali Maddah-Ali, Soroush Akhlaghi

arxiv:1006.3385 v2 · 2010-06-17 · 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{OWLUUYXRCXSAPC6KEBKOY6G5G2}

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	2026-05-18T04:39:09.967130Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

75974a62f115e4078bca2054ec78dd36abc217aedf20dc39d82f98178e89ad8d

Aliases

arxiv: 1006.3385 · arxiv_version: 1006.3385v2 · doi: 10.48550/arxiv.1006.3385 · pith_short_12: OWLUUYXRCXSA · pith_short_16: OWLUUYXRCXSAPC6K · pith_short_8: OWLUUYXR

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/OWLUUYXRCXSAPC6KEBKOY6G5G2 \
  | 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: 75974a62f115e4078bca2054ec78dd36abc217aedf20dc39d82f98178e89ad8d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "49040c36399565613b76098afe75b54e92ce7594057b8fc03ebd4344fb8883ea",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2010-06-17T07:02:49Z",
    "title_canon_sha256": "060be086e42c7d98f8a1f435600afdeba2b683d42804972fe9e6df0c91f0f672"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1006.3385",
    "kind": "arxiv",
    "version": 2
  }
}