Pith Number

pith:JFDIREXE

pith:2021:JFDIREXEKWQBO3DV54SJ4YGNMQ

not attested not anchored not stored refs pending

Deep Learning for Estimation and Pilot Signal Design in Few-Bit Massive MIMO Systems

A. Lee Swindlehurst, Duy H. N. Nguyen, Ly V. Nguyen

arxiv:2107.11958 v1 · 2021-07-26 · eess.SP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JFDIREXEKWQBO3DV54SJ4YGNMQ}

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	2026-07-05T03:00:38.994138Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

49468892e455a0176c75ef249e60cd6410d13fa3f2bc4123d1b46ae879ace78c

Aliases

arxiv: 2107.11958 · arxiv_version: 2107.11958v1 · doi: 10.48550/arxiv.2107.11958 · pith_short_12: JFDIREXEKWQB · pith_short_16: JFDIREXEKWQBO3DV · pith_short_8: JFDIREXE

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/JFDIREXEKWQBO3DV54SJ4YGNMQ \
  | 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: 49468892e455a0176c75ef249e60cd6410d13fa3f2bc4123d1b46ae879ace78c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4fb9fe84db3db41c49b77c5909bae3bacd0be68bb92482bbea951fac09412a10",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2021-07-26T05:05:31Z",
    "title_canon_sha256": "0fcd5440bbb7604dd90b6fc0c561c251c46dc3806f84caca7e174034de7a90f7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.11958",
    "kind": "arxiv",
    "version": 1
  }
}