Pith Number

pith:42LGSMGE

pith:2010:42LGSMGE4DMXZYCJZC3TBBMXKL

not attested not anchored not stored refs pending

Cooperative Feedback for MIMO Interference Channels

Kaibin Huang, Rui Zhang

arxiv:1009.3345 v1 · 2010-09-17 · 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{42LGSMGE4DMXZYCJZC3TBBMXKL}

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	2026-05-18T04:40:45.919006Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e6966930c4e0d97ce049c8b730859752c4b24661345bd136c745dc6e1ae07a09

Aliases

arxiv: 1009.3345 · arxiv_version: 1009.3345v1 · doi: 10.48550/arxiv.1009.3345 · pith_short_12: 42LGSMGE4DMX · pith_short_16: 42LGSMGE4DMXZYCJ · pith_short_8: 42LGSMGE

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/42LGSMGE4DMXZYCJZC3TBBMXKL \
  | 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: e6966930c4e0d97ce049c8b730859752c4b24661345bd136c745dc6e1ae07a09

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e428349e215c2d83fed957ca5500776ec010e9980b4237a8f00301b4a0140fd3",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2010-09-17T06:41:12Z",
    "title_canon_sha256": "54fcedf0e2ccdb5142b5a1692ee67b6dbc2445a3f1e0e653536cae3b09b992a8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.3345",
    "kind": "arxiv",
    "version": 1
  }
}