Pith Number

pith:DVGTJD6G

pith:2022:DVGTJD6GZ3AWHTQWEGN5PMLQ25

not attested not anchored not stored refs pending

Channel State Acquisition in FDD Massive MIMO: Rate-Distortion Bound and Effectiveness of "Analog" Feedback

Giuseppe Caire, Mahdi Barzegar Khalilsarai, Tianyu Yang, Yi Song

arxiv:2202.01515 v1 · 2022-02-03 · 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{DVGTJD6GZ3AWHTQWEGN5PMLQ25}

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	2026-07-05T03:53:55.118888Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1d4d348fc6cec163ce16219bd7b170d747b53b4f7bdfd22a0de7da34c633275d

Aliases

arxiv: 2202.01515 · arxiv_version: 2202.01515v1 · doi: 10.48550/arxiv.2202.01515 · pith_short_12: DVGTJD6GZ3AW · pith_short_16: DVGTJD6GZ3AWHTQW · pith_short_8: DVGTJD6G

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/DVGTJD6GZ3AWHTQWEGN5PMLQ25 \
  | 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: 1d4d348fc6cec163ce16219bd7b170d747b53b4f7bdfd22a0de7da34c633275d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "188ab4b61563ed1bafa065a25c61b60341172c9b4256fab90f39b52e1fe80c03",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2022-02-03T10:52:56Z",
    "title_canon_sha256": "a1f9baac91d64fb5deb8ea5c91bdc684d82f2c09ed30d44a7e6ec740359b70cf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2202.01515",
    "kind": "arxiv",
    "version": 1
  }
}