Pith Number

pith:RL4P4HHI

pith:2022:RL4P4HHIH3OEAEKQK3NSYHB5ZM

not attested not anchored not stored refs pending

PolarDenseNet: A Deep Learning Model for CSI Feedback in MIMO Systems

Caleb Lo, Jeongho Jeon, Jianzhong Zhang, Joonyoung Cho, Juho Lee, Pranav Madadi

arxiv:2202.01246 v1 · 2022-02-02 · cs.IT · cs.AI · 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{RL4P4HHIH3OEAEKQK3NSYHB5ZM}

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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	2026-07-05T03:53:52.145278Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8af8fe1ce83edc40115056db2c1c3dcb071ec8174c80ce161047955007a67b8d

Aliases

arxiv: 2202.01246 · arxiv_version: 2202.01246v1 · doi: 10.48550/arxiv.2202.01246 · pith_short_12: RL4P4HHIH3OE · pith_short_16: RL4P4HHIH3OEAEKQ · pith_short_8: RL4P4HHI

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/RL4P4HHIH3OEAEKQK3NSYHB5ZM \
  | 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: 8af8fe1ce83edc40115056db2c1c3dcb071ec8174c80ce161047955007a67b8d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "931fb75450fc393b7d4e173fb199266bf5e88ef9f652afcfb84845d383132b15",
    "cross_cats_sorted": [
      "cs.AI",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2022-02-02T19:04:49Z",
    "title_canon_sha256": "0dfc102afcd8ded5a55a484755b9449d59a81afdd9404de68bbe0dad1e5f121f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2202.01246",
    "kind": "arxiv",
    "version": 1
  }
}