Pith Number

pith:IARSFP27

pith:2018:IARSFP27VCLYPJV67ZSABVA63P

not attested not anchored not stored refs pending

Efficient Downlink Channel Reconstruction for FDD Multi-Antenna Systems

Chao-Kai Wen, Kai-Kit Wong, Shi Jin, Tien-Hao Hsu, Yu Han

arxiv:1805.07027 v1 · 2018-05-18 · 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{IARSFP27VCLYPJV67ZSABVA63P}

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	2026-05-18T00:15:41.280637Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

402322bf5fa89787a6befe6400d41edbd1938f74b1aa41b75ecabcae0dd1e890

Aliases

arxiv: 1805.07027 · arxiv_version: 1805.07027v1 · doi: 10.48550/arxiv.1805.07027 · pith_short_12: IARSFP27VCLY · pith_short_16: IARSFP27VCLYPJV6 · pith_short_8: IARSFP27

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/IARSFP27VCLYPJV67ZSABVA63P \
  | 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: 402322bf5fa89787a6befe6400d41edbd1938f74b1aa41b75ecabcae0dd1e890

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7d63a717be5e18b12bbc0bad8ecec0b38e040e8a0dbb56899104f8df38c86f47",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2018-05-18T02:52:35Z",
    "title_canon_sha256": "69a3e4e54be202908b79e5dee02f3881d2e7118a32a33c21b25e6d17531aa795"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.07027",
    "kind": "arxiv",
    "version": 1
  }
}