Pith Number

pith:7C6S4UGN

pith:2015:7C6S4UGNQ3DXFDRXCFSWNZRIYN

not attested not anchored not stored refs pending

Retrospective Interference Alignment for Two-Cell Uplink MIMO Cellular Networks with Delayed CSIT

Jungwoo Lee, Namyoon Lee, Robert W. Heath Jr, Wonjae Shin, Yonghee Han

arxiv:1504.07547 v1 · 2015-04-28 · 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{7C6S4UGNQ3DXFDRXCFSWNZRIYN}

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	2026-05-18T00:58:35.705599Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f8bd2e50cd86c7728e37116566e628c356eee51dc2f3baf1e0469eb092e914ca

Aliases

arxiv: 1504.07547 · arxiv_version: 1504.07547v1 · doi: 10.48550/arxiv.1504.07547 · pith_short_12: 7C6S4UGNQ3DX · pith_short_16: 7C6S4UGNQ3DXFDRX · pith_short_8: 7C6S4UGN

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/7C6S4UGNQ3DXFDRXCFSWNZRIYN \
  | 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: f8bd2e50cd86c7728e37116566e628c356eee51dc2f3baf1e0469eb092e914ca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "956ac65a320321bda9ac6e4bee7437a05a239faf434aaef75ccb3a908ded8be3",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2015-04-28T16:08:28Z",
    "title_canon_sha256": "c10d71500a16ff65e09a9244612465dcd50d69f9e151ca5c08b457bda3817734"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.07547",
    "kind": "arxiv",
    "version": 1
  }
}