Pith Number

pith:FA7KONRT

pith:2009:FA7KONRTXUWD6VPKMT2LYNARRW

not attested not anchored not stored refs pending

Robust THP Transceiver Designs for Multiuser MIMO Downlink with Imperfect CSIT

A. Chockalingam, P. Ubaidulla

arxiv:0909.3966 v1 · 2009-09-22 · 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{FA7KONRTXUWD6VPKMT2LYNARRW}

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	2026-05-18T01:20:37.233284Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

283ea73633bd2c3f55ea64f4bc34118db64356476a6b22690d77df1d2c42f5d3

Aliases

arxiv: 0909.3966 · arxiv_version: 0909.3966v1 · doi: 10.48550/arxiv.0909.3966 · pith_short_12: FA7KONRTXUWD · pith_short_16: FA7KONRTXUWD6VPK · pith_short_8: FA7KONRT

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/FA7KONRTXUWD6VPKMT2LYNARRW \
  | 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: 283ea73633bd2c3f55ea64f4bc34118db64356476a6b22690d77df1d2c42f5d3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6bcb6d54a28d58207933a31c4fbb181aa9c7e9f2a9a33533b8b6b36310c79542",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2009-09-22T11:24:03Z",
    "title_canon_sha256": "2ed195591bd9c363b9ca4cd08395dd8911685f812475d0d4bad8cdf25ea3e6bf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.3966",
    "kind": "arxiv",
    "version": 1
  }
}