Pith Number

pith:NB2KCAGR

pith:2013:NB2KCAGRD6SXCZPGHUKCTRCFUC

not attested not anchored not stored refs pending

Composite Channel Estimation in Massive MIMO Systems

Ko-Feng Chen, Yen-Cheng Liu, Yu T. Su

arxiv:1312.1004 v1 · 2013-12-04 · 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{NB2KCAGRD6SXCZPGHUKCTRCFUC}

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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	2026-05-18T03:05:35.192283Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6874a100d11fa57165e63d1429c445a0b3b4a9cefb2026ce47c5e4178724aab5

Aliases

arxiv: 1312.1004 · arxiv_version: 1312.1004v1 · doi: 10.48550/arxiv.1312.1004 · pith_short_12: NB2KCAGRD6SX · pith_short_16: NB2KCAGRD6SXCZPG · pith_short_8: NB2KCAGR

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/NB2KCAGRD6SXCZPGHUKCTRCFUC \
  | 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: 6874a100d11fa57165e63d1429c445a0b3b4a9cefb2026ce47c5e4178724aab5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eaa036974f75068523f052e9d6424785e1a579f77fd969e5de1fabec58f5d8fa",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2013-12-04T02:10:11Z",
    "title_canon_sha256": "2c28203baabd3ed30fe77ae64af3950b816a725d1acea846264a57475770d69a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.1004",
    "kind": "arxiv",
    "version": 1
  }
}