Pith Number

pith:BQYK7LAD

pith:2008:BQYK7LADJCJIP3IIBEJYBPWMTZ

not attested not anchored not stored refs pending

The Approximate Capacity of the Many-to-One and One-to-Many Gaussian Interference Channels

Abhay Parekh, David Tse, Guy Bresler

arxiv:0809.3554 v1 · 2008-09-21 · 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{BQYK7LADJCJIP3IIBEJYBPWMTZ}

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	2026-05-18T00:58:25.345384Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0c30afac03489287ed08091380becc9e6c20b8ef654b62e6d0f66738fe2ac9df

Aliases

arxiv: 0809.3554 · arxiv_version: 0809.3554v1 · doi: 10.48550/arxiv.0809.3554 · pith_short_12: BQYK7LADJCJI · pith_short_16: BQYK7LADJCJIP3II · pith_short_8: BQYK7LAD

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/BQYK7LADJCJIP3IIBEJYBPWMTZ \
  | 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: 0c30afac03489287ed08091380becc9e6c20b8ef654b62e6d0f66738fe2ac9df

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e947fb0d09d4dace545b2e21fc294086ccae8a8afd4c65bfdd4ca901ca066da2",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2008-09-21T07:00:03Z",
    "title_canon_sha256": "c4dcd1749e7821574a5c0e82253017714f4bf0547a6524d1f1ce7efb8353316e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0809.3554",
    "kind": "arxiv",
    "version": 1
  }
}