Pith Number

pith:LBABUUM7

pith:2013:LBABUUM7HM7UDI7CD4JCCQKDMJ

not attested not anchored not stored refs pending

Genie Tree and Degrees of Freedom of the Symmetric MIMO Interfering Broadcast Channel

Chenyang Yang, Tingting Liu

arxiv:1309.6727 v2 · 2013-09-26 · 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{LBABUUM7HM7UDI7CD4JCCQKDMJ}

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	2026-05-18T01:13:38.433923Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

58401a519f3b3f41a3e21f12214143625e8de8c880fb535365a77274aba74db9

Aliases

arxiv: 1309.6727 · arxiv_version: 1309.6727v2 · doi: 10.48550/arxiv.1309.6727 · pith_short_12: LBABUUM7HM7U · pith_short_16: LBABUUM7HM7UDI7C · pith_short_8: LBABUUM7

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/LBABUUM7HM7UDI7CD4JCCQKDMJ \
  | 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: 58401a519f3b3f41a3e21f12214143625e8de8c880fb535365a77274aba74db9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f62cb7f7d75261ba60308a631f240f7a598c9ca6b52cb7f184fc10807ea0f6d5",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2013-09-26T06:15:19Z",
    "title_canon_sha256": "0a7c30caf2d5911c61ce86fbeb1b9e0c10e1d96cfb1df15f617f077304218346"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.6727",
    "kind": "arxiv",
    "version": 2
  }
}