Pith Number

pith:ZFVUXIK5

pith:2022:ZFVUXIK5KGTVCUQYJNPWRERPVT

not attested not anchored not stored refs pending

Multi-task Learning-based CSI Feedback Design in Multiple Scenarios

Chao-Kai Wen, Jiajia Guo, Shi Jin, Shuangfeng Han, Xiangyi Li, Xiaoyun Wang

arxiv:2204.12698 v3 · 2022-04-27 · eess.SP · 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{ZFVUXIK5KGTVCUQYJNPWRERPVT}

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	2026-07-05T06:16:59.887447Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c96b4ba15d51a75152184b5f68922facd7d9f865f1cb82e73d096fbfe1c71829

Aliases

arxiv: 2204.12698 · arxiv_version: 2204.12698v3 · doi: 10.48550/arxiv.2204.12698 · pith_short_12: ZFVUXIK5KGTV · pith_short_16: ZFVUXIK5KGTVCUQY · pith_short_8: ZFVUXIK5

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/ZFVUXIK5KGTVCUQYJNPWRERPVT \
  | 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: c96b4ba15d51a75152184b5f68922facd7d9f865f1cb82e73d096fbfe1c71829

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6c860c0dfa1f5ca3367fadc091e52977963c427f799c62b53862b234202bed11",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2022-04-27T04:48:46Z",
    "title_canon_sha256": "d1c01e86480977e97d6e4506ab83653b198ed32c3e062499805a5a3266db1ead"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2204.12698",
    "kind": "arxiv",
    "version": 3
  }
}