Pith Number

pith:KCNWT3YG

pith:2020:KCNWT3YG234NF2H7SCW7KKR7ZQ

not attested not anchored not stored refs pending

Deep Learning Based FDD Non-Stationary Massive MIMO Downlink Channel Reconstruction

Chao-Kai Wen, Mengyuan Li, Shi Jin, Xiaoli Ma, Yu Han

arxiv:2002.09858 v1 · 2020-02-23 · cs.IT · eess.SP · 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{KCNWT3YG234NF2H7SCW7KKR7ZQ}

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	2026-07-05T00:43:12.436491Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

509b69ef06d6f8d2e8ff90adf52a3fcc002d35c968331249fbf0aa6c4e00567a

Aliases

arxiv: 2002.09858 · arxiv_version: 2002.09858v1 · doi: 10.48550/arxiv.2002.09858 · pith_short_12: KCNWT3YG234N · pith_short_16: KCNWT3YG234NF2H7 · pith_short_8: KCNWT3YG

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/KCNWT3YG234NF2H7SCW7KKR7ZQ \
  | 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: 509b69ef06d6f8d2e8ff90adf52a3fcc002d35c968331249fbf0aa6c4e00567a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a37fc991163f8e6cb9be21af1ec6b8779e6591ebf398d7423953d28dca693a8c",
    "cross_cats_sorted": [
      "eess.SP",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2020-02-23T08:15:30Z",
    "title_canon_sha256": "eef57bd72c80d7511a4da46efa44dd8fff5b7c71bd4a0e1d30477af1372a0f5e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.09858",
    "kind": "arxiv",
    "version": 1
  }
}