Pith Number

pith:DW5HNLRQ

pith:2009:DW5HNLRQQ33CH7ISAVENKMYUNP

not attested not anchored not stored refs pending

Deterministic Capacity of MIMO Relay Networks

Anders Host-Madsen

arxiv:0904.0037 v1 · 2009-04-01 · 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{DW5HNLRQQ33CH7ISAVENKMYUNP}

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	2026-05-18T00:57:58.238234Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1dba76ae3086f623fd120548d533146bc633242a822f45dc7aa1c7ea439ef3a6

Aliases

arxiv: 0904.0037 · arxiv_version: 0904.0037v1 · doi: 10.48550/arxiv.0904.0037 · pith_short_12: DW5HNLRQQ33C · pith_short_16: DW5HNLRQQ33CH7IS · pith_short_8: DW5HNLRQ

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/DW5HNLRQQ33CH7ISAVENKMYUNP \
  | 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: 1dba76ae3086f623fd120548d533146bc633242a822f45dc7aa1c7ea439ef3a6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2d8c38f93876378f62a543c15d564f9d0b57ee358903da8a6f0e3cd3a3a6be37",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2009-04-01T00:02:13Z",
    "title_canon_sha256": "327cf63d941e77479343f7af54a9bb6bef9a680a55eecb293c539f572265ad8f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.0037",
    "kind": "arxiv",
    "version": 1
  }
}