Pith Number

pith:XU2WIXGK

pith:2019:XU2WIXGKRBEHK6BXMHWSYBOTNF

not attested not anchored not stored refs pending

Steepest Gradient-Based Orthogonal Precoder For Integer-Forcing MIMO

Amin Sakzad, Brian M. Kurkoski, Emanuele Viterbo, Mohammad Nur Hasan

arxiv:1904.09356 v1 · 2019-04-19 · cs.IT · math.IT · math.OC

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XU2WIXGKRBEHK6BXMHWSYBOTNF}

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	2026-05-17T23:48:07.316381Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bd35645cca884875783761ed2c05d3695f1f4d0ff2f66d22f345e52a74b1e01d

Aliases

arxiv: 1904.09356 · arxiv_version: 1904.09356v1 · doi: 10.48550/arxiv.1904.09356 · pith_short_12: XU2WIXGKRBEH · pith_short_16: XU2WIXGKRBEHK6BX · pith_short_8: XU2WIXGK

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/XU2WIXGKRBEHK6BXMHWSYBOTNF \
  | 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: bd35645cca884875783761ed2c05d3695f1f4d0ff2f66d22f345e52a74b1e01d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c7d1aa057c8541d5f7c065b8ef4a46b47b8a1b31d696eb47e975ea6d89e851de",
    "cross_cats_sorted": [
      "math.IT",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2019-04-19T22:15:19Z",
    "title_canon_sha256": "8c60c061857c72d2598eb64b19a80be54e6c23518bc95474f56822f6784548f5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.09356",
    "kind": "arxiv",
    "version": 1
  }
}