Pith Number

pith:LQTDQO7T

pith:2013:LQTDQO7T3PYOSUR4OV3AKZZWW2

not attested not anchored not stored refs pending

Degrees of Freedom of the Rank-deficient Interference Channel with Feedback

Changho Suh, Sae-Young Chung, Sung ho Chae

arxiv:1307.1461 v2 · 2013-07-04 · 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{LQTDQO7T3PYOSUR4OV3AKZZWW2}

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	2026-05-18T00:58:17.042698Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5c26383bf3dbf0e9523c7576056736b697cbf8735c565814a56e1bd2382f08d2

Aliases

arxiv: 1307.1461 · arxiv_version: 1307.1461v2 · doi: 10.48550/arxiv.1307.1461 · pith_short_12: LQTDQO7T3PYO · pith_short_16: LQTDQO7T3PYOSUR4 · pith_short_8: LQTDQO7T

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/LQTDQO7T3PYOSUR4OV3AKZZWW2 \
  | 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: 5c26383bf3dbf0e9523c7576056736b697cbf8735c565814a56e1bd2382f08d2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0037f8fd13be282d41b6641a353303cd5ee9aa8b478113d3ed81141f584ffcd2",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2013-07-04T19:49:24Z",
    "title_canon_sha256": "760ae39123190ad47dcf46f6cddff88e93b1f78d4958458845acdc674146cc79"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.1461",
    "kind": "arxiv",
    "version": 2
  }
}