Pith Number

pith:UVCYENLY

pith:2021:UVCYENLYI4GPAM2JHXUBV5MBK7

not attested not anchored not stored refs pending

Tightness and Equivalence of Semidefinite Relaxations for MIMO Detection

Bo Jiang, Chenglong Bao, Ruichen Jiang, Ya-Feng Liu

arxiv:2102.04586 v1 · 2021-02-09 · math.OC · cs.IT · eess.SP · 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{UVCYENLYI4GPAM2JHXUBV5MBK7}

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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.

Cited by

1 paper in Pith

Exact algorithms for quadratic optimization over roots of unity

Receipt and verification

First computed	2026-07-05T02:14:02.104449Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a545823578470cf033493de81af58157e081f221c4b0b70f68b289e55c9946b6

Aliases

arxiv: 2102.04586 · arxiv_version: 2102.04586v1 · doi: 10.48550/arxiv.2102.04586 · pith_short_12: UVCYENLYI4GP · pith_short_16: UVCYENLYI4GPAM2J · pith_short_8: UVCYENLY

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/UVCYENLYI4GPAM2JHXUBV5MBK7 \
  | 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: a545823578470cf033493de81af58157e081f221c4b0b70f68b289e55c9946b6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0b6a1d6e44e13d78f466b511771bf88fdaa52299298aaf91973f2dcd4c469559",
    "cross_cats_sorted": [
      "cs.IT",
      "eess.SP",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2021-02-09T00:23:49Z",
    "title_canon_sha256": "d7c194a391a0baa32b66cc3b642f6ecffb33a73374405294094de3fd6c7355fc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.04586",
    "kind": "arxiv",
    "version": 1
  }
}