Pith Number

pith:DKJW2HMR

pith:2014:DKJW2HMRRWWLUM4M7675AUHJE5

not attested not anchored not stored refs pending

Pilot Beam Sequence Design for Channel Estimation in Millimeter-Wave MIMO Systems: A POMDP Framework

Donggun Kim, Gilwon Lee, Junyeong Seo, Youngchul Sung

arxiv:1409.8434 v1 · 2014-09-30 · 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{DKJW2HMRRWWLUM4M7675AUHJE5}

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	2026-05-18T00:59:02.493368Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1a936d1d918dacba338cffbfd050e927693f7b7d20c6698493a1efe28860fd2f

Aliases

arxiv: 1409.8434 · arxiv_version: 1409.8434v1 · doi: 10.48550/arxiv.1409.8434 · pith_short_12: DKJW2HMRRWWL · pith_short_16: DKJW2HMRRWWLUM4M · pith_short_8: DKJW2HMR

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/DKJW2HMRRWWLUM4M7675AUHJE5 \
  | 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: 1a936d1d918dacba338cffbfd050e927693f7b7d20c6698493a1efe28860fd2f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "63e69ea8fe8fd1bd816bc43f9a3adccd9e978db7c9afb4653bdb4a640ad37648",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2014-09-30T08:41:03Z",
    "title_canon_sha256": "a674f273bfbe20d75a3dc891ff1da8c24db97f8e048769a7e32781eeb29fb338"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.8434",
    "kind": "arxiv",
    "version": 1
  }
}