Pith Number

pith:4VRULGMW

pith:2008:4VRULGMW4OM3AGFRYXFUZ237T2

not attested not anchored not stored refs pending

Multiple Access Outerbounds and the Inseparability of Parallel Interference Channels

Syed A. Jafar, Viveck R. Cadambe

arxiv:0802.2125 v1 · 2008-02-15 · 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{4VRULGMW4OM3AGFRYXFUZ237T2}

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	2026-05-18T00:58:48.682368Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e563459996e399b018b1c5cb4ceb7f9eb43d1843c2418053f0964d8d2b55592b

Aliases

arxiv: 0802.2125 · arxiv_version: 0802.2125v1 · doi: 10.48550/arxiv.0802.2125 · pith_short_12: 4VRULGMW4OM3 · pith_short_16: 4VRULGMW4OM3AGFR · pith_short_8: 4VRULGMW

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/4VRULGMW4OM3AGFRYXFUZ237T2 \
  | 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: e563459996e399b018b1c5cb4ceb7f9eb43d1843c2418053f0964d8d2b55592b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5956b69eb086c79e8dd464ea3dad6ebba474b8e6f1abb5a0852c6a516ec98597",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2008-02-15T00:53:26Z",
    "title_canon_sha256": "ee4d465d712a4459759f6c505d125b006081aa0ae73c005d8ac2e3bb9fbd58e7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0802.2125",
    "kind": "arxiv",
    "version": 1
  }
}