Pith Number

pith:2XZLATXO

pith:2007:2XZLATXOOIJ56JPZCTLD47HR62

not attested not anchored not stored refs pending

Capacity Gain from Two-Transmitter and Two-Receiver Cooperation

Andrea J. Goldsmith, Chris T. K. Ng, Nihar Jindal, Urbashi Mitra

arxiv:0704.3644 v1 · 2007-04-27 · 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{2XZLATXOOIJ56JPZCTLD47HR62}

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	2026-05-18T00:58:26.201003Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d5f2b04eee7213df25f914d63e7cf1f6affafb1910bd3d7afe316322ae5f0c00

Aliases

arxiv: 0704.3644 · arxiv_version: 0704.3644v1 · doi: 10.48550/arxiv.0704.3644 · pith_short_12: 2XZLATXOOIJ5 · pith_short_16: 2XZLATXOOIJ56JPZ · pith_short_8: 2XZLATXO

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/2XZLATXOOIJ56JPZCTLD47HR62 \
  | 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: d5f2b04eee7213df25f914d63e7cf1f6affafb1910bd3d7afe316322ae5f0c00

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "36e578b7a84419de57c9962f0e5f5638f18f0897a62ee3e20774d8931464183b",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "",
    "primary_cat": "cs.IT",
    "submitted_at": "2007-04-27T00:52:11Z",
    "title_canon_sha256": "97255ee0cf5475bd355d9632ddbde5d3fa684a9fb7661bac46ffab741de806da"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0704.3644",
    "kind": "arxiv",
    "version": 1
  }
}