Pith Number

pith:IKSC5QPP

pith:2013:IKSC5QPPU4DBK7LZSF4N6GBRWH

not attested not anchored not stored refs pending

Learning-Based Adaptive Transmission for Limited Feedback Multiuser MIMO-OFDM

Alberto Rico-Alvarino, Robert W. Heath Jr

arxiv:1306.0502 v2 · 2013-06-03 · 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{IKSC5QPPU4DBK7LZSF4N6GBRWH}

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	2026-05-18T03:01:25.295164Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

42a42ec1efa706157d799178df1831b1ffdd2ea9e857df3ff0f8eed7fe57a2f5

Aliases

arxiv: 1306.0502 · arxiv_version: 1306.0502v2 · doi: 10.48550/arxiv.1306.0502 · pith_short_12: IKSC5QPPU4DB · pith_short_16: IKSC5QPPU4DBK7LZ · pith_short_8: IKSC5QPP

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/IKSC5QPPU4DBK7LZSF4N6GBRWH \
  | 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: 42a42ec1efa706157d799178df1831b1ffdd2ea9e857df3ff0f8eed7fe57a2f5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "85e0f4fb0d5785793dca13a6ca7deb63a478f9bdbb56d71354643b570e2996e7",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2013-06-03T17:09:47Z",
    "title_canon_sha256": "4590840a62431a9e93531529eed99a183c4f74ccc2b77693deaf366950867e24"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.0502",
    "kind": "arxiv",
    "version": 2
  }
}