Pith Number

pith:3PVLAPT6

pith:2013:3PVLAPT6NAO7YXG32FMX2G5MXU

not attested not anchored not stored refs pending

Low Complexity Delay-Constrained Beamforming for Multi-User MIMO Systems with Imperfect CSIT

Fan Zhang, Vincent K. N. Lau, Ying Cui

arxiv:1305.1012 v2 · 2013-05-05 · 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{3PVLAPT6NAO7YXG32FMX2G5MXU}

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	2026-05-18T01:50:12.117605Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dbeab03e7e681dfc5cdbd1597d1bacbd0475ffa10d8a132301711217b8b0cc95

Aliases

arxiv: 1305.1012 · arxiv_version: 1305.1012v2 · doi: 10.48550/arxiv.1305.1012 · pith_short_12: 3PVLAPT6NAO7 · pith_short_16: 3PVLAPT6NAO7YXG3 · pith_short_8: 3PVLAPT6

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/3PVLAPT6NAO7YXG32FMX2G5MXU \
  | 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: dbeab03e7e681dfc5cdbd1597d1bacbd0475ffa10d8a132301711217b8b0cc95

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aa8c18cd723aee43db6c49ada0f588e1d6b485b6aadc1941b77b729e2f9d89b8",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2013-05-05T13:39:57Z",
    "title_canon_sha256": "148d8eec754486b520e56c74a739276f907a84eea02443cc8cd78b898eae0d28"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.1012",
    "kind": "arxiv",
    "version": 2
  }
}