Pith Number

pith:7EMAD6GF

pith:2010:7EMAD6GFK2LDMF3DWJMGLNPGKK

not attested not anchored not stored refs pending

Combining Channel Output Feedback and CSI Feedback for MIMO Wireless Systems

David J. Love, Mayur Agrawal, Venkataramanan Balakrishnan

arxiv:1006.4358 v2 · 2010-06-22 · cs.IT · math.IT

Open paper page JSON Open Graph Bundle Merged state What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7EMAD6GFK2LDMF3DWJMGLNPGKK}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T03:58:05.163831Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f91801f8c55696361763b25865b5e6528d1251b77e57253b411925141b592afd

Aliases

arxiv: 1006.4358 · arxiv_version: 1006.4358v2 · doi: 10.48550/arxiv.1006.4358 · pith_short_12: 7EMAD6GFK2LD · pith_short_16: 7EMAD6GFK2LDMF3D · pith_short_8: 7EMAD6GF

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/7EMAD6GFK2LDMF3DWJMGLNPGKK \
  | 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: f91801f8c55696361763b25865b5e6528d1251b77e57253b411925141b592afd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f7d59cb9260c875ff583bd88bbac6f8780e1b2657405150be53582acf407e6b8",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2010-06-22T19:59:00Z",
    "title_canon_sha256": "37492cbc90266e9fb3ce37f7e14458d5f0941067a614fe04c91f3cd894072b00"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1006.4358",
    "kind": "arxiv",
    "version": 2
  }
}