Pith Number

pith:C4V6BVPS

pith:2011:C4V6BVPSQPD3TDOWFFW55SZWWI

not attested not anchored not stored refs pending

Degrees of Freedom Region of the MIMO Interference Channel with Output Feedback and Delayed CSIT

H. Vincent Poor, Ravi Tandon, Shlomo Shamai (Shitz), Soheil Mohajer

arxiv:1109.5373 v2 · 2011-09-25 · 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{C4V6BVPSQPD3TDOWFFW55SZWWI}

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	2026-05-18T00:58:18.711257Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

172be0d5f283c7b98dd6296ddecb36b233e54f710b22a35436e33ffe81c6d648

Aliases

arxiv: 1109.5373 · arxiv_version: 1109.5373v2 · doi: 10.48550/arxiv.1109.5373 · pith_short_12: C4V6BVPSQPD3 · pith_short_16: C4V6BVPSQPD3TDOW · pith_short_8: C4V6BVPS

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/C4V6BVPSQPD3TDOWFFW55SZWWI \
  | 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: 172be0d5f283c7b98dd6296ddecb36b233e54f710b22a35436e33ffe81c6d648

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "88abc098f33b27b7323e1e232e22992063d1e415d89cdece5922406a4b7d4357",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2011-09-25T17:09:29Z",
    "title_canon_sha256": "3d8ba62c1e25325b51ebd2f4efc08ac2d54c812dd77b657f847ff606a53bf962"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.5373",
    "kind": "arxiv",
    "version": 2
  }
}