Pith Number

pith:IIM5UHIM

pith:2015:IIM5UHIMX427E4SGKTXJUTV3P6

not attested not anchored not stored refs pending

Channel Acquisition for Massive MIMO-OFDM with Adjustable Phase Shift Pilots

A. Lee Swindlehurst, Li You, Wen Zhong, Xiqi Gao

arxiv:1511.03812 v1 · 2015-11-12 · 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{IIM5UHIMX427E4SGKTXJUTV3P6}

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	2026-05-18T01:20:16.560330Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4219da1d0cbf35f2724654ee9a4ebb7f9e71ff406d4938c8223d79a29dbfbd2d

Aliases

arxiv: 1511.03812 · arxiv_version: 1511.03812v1 · doi: 10.48550/arxiv.1511.03812 · pith_short_12: IIM5UHIMX427 · pith_short_16: IIM5UHIMX427E4SG · pith_short_8: IIM5UHIM

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/IIM5UHIMX427E4SGKTXJUTV3P6 \
  | 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: 4219da1d0cbf35f2724654ee9a4ebb7f9e71ff406d4938c8223d79a29dbfbd2d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a065bf79c8777827462402596311c92789b2dc721e7de5f859a4a5ce22a1d93b",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2015-11-12T08:25:44Z",
    "title_canon_sha256": "85b2ccbe0b12e47c90d3a6c990c6d0e9e68cf6f9f3c15fd501672d876358f2b9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.03812",
    "kind": "arxiv",
    "version": 1
  }
}