Pith Number

pith:QZMQYIOT

pith:2009:QZMQYIOTI6JLE7IDXXZ7KM6UWE

not attested not anchored not stored refs pending

Limited-Rate Channel State Feedback for Multicarrier Block Fading Channels

Dongning Guo, Manish Agarwal, Michael Honig

arxiv:0901.0163 v1 · 2009-01-01 · 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{QZMQYIOTI6JLE7IDXXZ7KM6UWE}

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	2026-05-18T00:59:11.533708Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

86590c21d34792b27d03bdf3f533d4b102614dfc1755100920675ecaf4ddc926

Aliases

arxiv: 0901.0163 · arxiv_version: 0901.0163v1 · doi: 10.48550/arxiv.0901.0163 · pith_short_12: QZMQYIOTI6JL · pith_short_16: QZMQYIOTI6JLE7ID · pith_short_8: QZMQYIOT

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/QZMQYIOTI6JLE7IDXXZ7KM6UWE \
  | 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: 86590c21d34792b27d03bdf3f533d4b102614dfc1755100920675ecaf4ddc926

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c68b656a0fcb233f2d834867c1bc32c6e183fede29a5356adc874ddfac3e4725",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2009-01-01T05:35:05Z",
    "title_canon_sha256": "8bda108278c5b4f2e5fb2a667daaaeeba6fd5b158d292949f13c8639dda59ace"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0901.0163",
    "kind": "arxiv",
    "version": 1
  }
}