Pith Number

pith:KBDLMYTC

pith:2012:KBDLMYTC6QI35FOMWC2CID2G6H

not attested not anchored not stored refs pending

A Greedy Algorithm of Data-Dependent User Selection for Fast Fading Gaussian Vector Broadcast Channels

Keigo Takeuchi, Tsutomu Kawabata

arxiv:1201.6453 v3 · 2012-01-31 · 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{KBDLMYTC6QI35FOMWC2CID2G6H}

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	2026-05-18T03:51:14.233806Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5046b66262f411be95ccb0b4240f46f1e1296f736fd696a0ac723dfb21c3cbd2

Aliases

arxiv: 1201.6453 · arxiv_version: 1201.6453v3 · doi: 10.48550/arxiv.1201.6453 · pith_short_12: KBDLMYTC6QI3 · pith_short_16: KBDLMYTC6QI35FOM · pith_short_8: KBDLMYTC

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/KBDLMYTC6QI35FOMWC2CID2G6H \
  | 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: 5046b66262f411be95ccb0b4240f46f1e1296f736fd696a0ac723dfb21c3cbd2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "addd27ad19cb1328f60127fa449896811cf88231b0a3c03f6ac7604e7eff3b93",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2012-01-31T06:11:15Z",
    "title_canon_sha256": "bb74989151b1e450741a1ab494620135860fad58f4572f33abcf62ab279ed866"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.6453",
    "kind": "arxiv",
    "version": 3
  }
}