Pith Number

pith:FSFSFV7C

pith:2013:FSFSFV7CYFNZMEHNINP2MTV62K

not attested not anchored not stored refs pending

Low-Complexity Channel Estimation in Large-Scale MIMO using Polynomial Expansion

Emil Bj\"ornson, Mats Bengtsson, M\'erouane Debbah, Nafiseh Shariati

arxiv:1304.5940 v2 · 2013-04-22 · 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{FSFSFV7CYFNZMEHNINP2MTV62K}

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	2026-05-18T03:18:18.291282Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c8b22d7e2c15b9610ed435fa64ebed28859e4d43ff1aadfb98e08fa208dcab4

Aliases

arxiv: 1304.5940 · arxiv_version: 1304.5940v2 · doi: 10.48550/arxiv.1304.5940 · pith_short_12: FSFSFV7CYFNZ · pith_short_16: FSFSFV7CYFNZMEHN · pith_short_8: FSFSFV7C

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/FSFSFV7CYFNZMEHNINP2MTV62K \
  | 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: 2c8b22d7e2c15b9610ed435fa64ebed28859e4d43ff1aadfb98e08fa208dcab4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0defa0fde52d1961e41e79c0d0071fbbb9601c4ffe03e4ad68185af2b7dcd4b3",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2013-04-22T13:17:32Z",
    "title_canon_sha256": "7229946c433046e10ec877d8d2e60c0530fcc41916c0e0d888d832c6b605e5c3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.5940",
    "kind": "arxiv",
    "version": 2
  }
}