Pith Number

pith:2QKXV4VT

pith:2014:2QKXV4VT4V2XW5YQL4UNG3II6Z

not attested not anchored not stored refs pending

On the Capacity Region of the Two-user Interference Channel with a Cognitive Relay

Alex Dytso, Daniela Tuninetti, Natasha Devroye, Stefano Rini

arxiv:1409.2370 v1 · 2014-09-08 · 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{2QKXV4VT4V2XW5YQL4UNG3II6Z}

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	2026-05-18T02:43:17.254750Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d4157af2b3e5757b77105f28d36d08f648bfa981dafff8f8ad54875697ea2515

Aliases

arxiv: 1409.2370 · arxiv_version: 1409.2370v1 · doi: 10.48550/arxiv.1409.2370 · pith_short_12: 2QKXV4VT4V2X · pith_short_16: 2QKXV4VT4V2XW5YQ · pith_short_8: 2QKXV4VT

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/2QKXV4VT4V2XW5YQL4UNG3II6Z \
  | 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: d4157af2b3e5757b77105f28d36d08f648bfa981dafff8f8ad54875697ea2515

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d427aa5715c39e66f4655e659b7a6690fbd6558d920fc655501038d395ad23e0",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2014-09-08T14:40:13Z",
    "title_canon_sha256": "f528dc93a5fd994b2f8090ac89082b29088f0bba1780edf6a444c1b1466a0035"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.2370",
    "kind": "arxiv",
    "version": 1
  }
}