Pith Number

pith:KRI4MAL5

pith:2014:KRI4MAL5QE56FNLP3EH2TNWQ55

not attested not anchored not stored refs pending

Spatial DCT-Based Channel Estimation in Multi-Antenna Multi-Cell Interference Channels

Bjorn Ottersten, Maha Alodeh, Symeon Chatzinotas

arxiv:1401.6690 v2 · 2014-01-26 · 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{KRI4MAL5QE56FNLP3EH2TNWQ55}

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	2026-05-18T02:16:39.433500Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5451c6017d813be2b56fd90fa9b6d0ef7ae178380b6b458b9cdc737bda7aed88

Aliases

arxiv: 1401.6690 · arxiv_version: 1401.6690v2 · doi: 10.48550/arxiv.1401.6690 · pith_short_12: KRI4MAL5QE56 · pith_short_16: KRI4MAL5QE56FNLP · pith_short_8: KRI4MAL5

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/KRI4MAL5QE56FNLP3EH2TNWQ55 \
  | 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: 5451c6017d813be2b56fd90fa9b6d0ef7ae178380b6b458b9cdc737bda7aed88

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1d91735befb90e9f0a89409b587fc86d7ae0238bba36e33263fa7250e7b65db8",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2014-01-26T20:58:02Z",
    "title_canon_sha256": "968b20604b36e1edd0525c7c084d9222043164de9b4edf7bf825706d919181f2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.6690",
    "kind": "arxiv",
    "version": 2
  }
}