Pith Number

pith:BUB724RV

pith:2015:BUB724RVA24Z2MC6IBP4IRK4AM

not attested not anchored not stored refs pending

Compressive sensing based differential channel feedback for massive MIMO

Linglong Dai, Wenqian Shen, Xudong Zhu, Yi Shi, Zhaocheng Wang

arxiv:1507.04618 v1 · 2015-07-16 · 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{BUB724RVA24Z2MC6IBP4IRK4AM}

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	2026-05-18T01:24:32.904505Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0d03fd723506b99d305e405fc4455c0312b951cbdded83c428fe11382e174d90

Aliases

arxiv: 1507.04618 · arxiv_version: 1507.04618v1 · doi: 10.48550/arxiv.1507.04618 · pith_short_12: BUB724RVA24Z · pith_short_16: BUB724RVA24Z2MC6 · pith_short_8: BUB724RV

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/BUB724RVA24Z2MC6IBP4IRK4AM \
  | 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: 0d03fd723506b99d305e405fc4455c0312b951cbdded83c428fe11382e174d90

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "adc74815ad5601e307d47f032b31a64bb8b1d6bf4b1598bf6afec0c720e6af52",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2015-07-16T15:22:32Z",
    "title_canon_sha256": "c4383e81546b757204526a452545c013e9bf7b6544dc585a7a8251a41e9eafef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.04618",
    "kind": "arxiv",
    "version": 1
  }
}