Pith Number

pith:NU34IEFM

pith:2014:NU34IEFMIFTF7CM2ZWQTBWIGR2

not attested not anchored not stored refs pending

Space-Time Coded Spatial Modulated Physical Layer Network Coding for Two-Way Relaying

B. Sundar Rajan, K.G. Unnikrishnan

arxiv:1401.0877 v1 · 2014-01-05 · 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{NU34IEFMIFTF7CM2ZWQTBWIGR2}

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	2026-05-18T03:03:11.644159Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6d37c410ac41665f899acda130d9068ea012157b0d0198d9368907ff34d225c9

Aliases

arxiv: 1401.0877 · arxiv_version: 1401.0877v1 · doi: 10.48550/arxiv.1401.0877 · pith_short_12: NU34IEFMIFTF · pith_short_16: NU34IEFMIFTF7CM2 · pith_short_8: NU34IEFM

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/NU34IEFMIFTF7CM2ZWQTBWIGR2 \
  | 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: 6d37c410ac41665f899acda130d9068ea012157b0d0198d9368907ff34d225c9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6fbe222879b58217b92d242a7f556c0621457a65db770285d2f36c61aa5b49a1",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2014-01-05T09:28:42Z",
    "title_canon_sha256": "26ed8fe9db948ddbe2e9e1a105feaf822c65fd408d5acc181b104a2394e6fa22"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.0877",
    "kind": "arxiv",
    "version": 1
  }
}