Pith Number

pith:2AXOXI6K

pith:2012:2AXOXI6K2N55HDONJIZ4FKHJ2A

not attested not anchored not stored refs pending

Receive Combining vs. Multi-Stream Multiplexing in Downlink Systems with Multi-Antenna Users

Bj\"orn Ottersten, Emil Bj\"ornson, Marios Kountouris, Mats Bengtsson

arxiv:1207.2776 v3 · 2012-07-11 · 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{2AXOXI6K2N55HDONJIZ4FKHJ2A}

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	2026-05-18T02:46:39.570187Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d02eeba3cad37bd38dcd4a33c2a8e9d036304cf321d92af4c26dd0e3ae71d794

Aliases

arxiv: 1207.2776 · arxiv_version: 1207.2776v3 · doi: 10.48550/arxiv.1207.2776 · pith_short_12: 2AXOXI6K2N55 · pith_short_16: 2AXOXI6K2N55HDON · pith_short_8: 2AXOXI6K

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/2AXOXI6K2N55HDONJIZ4FKHJ2A \
  | 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: d02eeba3cad37bd38dcd4a33c2a8e9d036304cf321d92af4c26dd0e3ae71d794

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a766671eea7577c2b5df47f87d880577ad95a511316ea56f74ea34228d7a1ed4",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2012-07-11T20:19:16Z",
    "title_canon_sha256": "bb47aff469be809e7a9ddfdc5788448454c45ceace7e0bce9f349629ba7ac4d3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.2776",
    "kind": "arxiv",
    "version": 3
  }
}