Pith Number

pith:2PN2D7QP

pith:2022:2PN2D7QP26PMARPCVGR3W3C3R7

not attested not anchored not stored refs pending

DDPG-Driven Deep-Unfolding with Adaptive Depth for Channel Estimation with Sparse Bayesian Learning

Guanding Yu, Qiyu Hu, Shuhan Shi, Yunlong Cai

arxiv:2201.08477 v3 · 2022-01-20 · eess.SP · cs.IT · cs.LG · 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{2PN2D7QP26PMARPCVGR3W3C3R7}

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	2026-07-05T06:02:44.909184Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d3dba1fe0fd79ec045e2a9a3bb6c5b8fea71ed3bd4abb57334df5ec37fea1151

Aliases

arxiv: 2201.08477 · arxiv_version: 2201.08477v3 · doi: 10.48550/arxiv.2201.08477 · pith_short_12: 2PN2D7QP26PM · pith_short_16: 2PN2D7QP26PMARPC · pith_short_8: 2PN2D7QP

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/2PN2D7QP26PMARPCVGR3W3C3R7 \
  | 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: d3dba1fe0fd79ec045e2a9a3bb6c5b8fea71ed3bd4abb57334df5ec37fea1151

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a4c95f7b4aab51c93d65efe82df593e944f0b8e38da9d5119593afd0b57ea5d5",
    "cross_cats_sorted": [
      "cs.IT",
      "cs.LG",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2022-01-20T22:35:42Z",
    "title_canon_sha256": "8d7ba24a7a8a4e5a63c82431584af6f123e21dd6ddbda10b7833960607515154"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.08477",
    "kind": "arxiv",
    "version": 3
  }
}