Pith Number

pith:MML6PNNA

pith:2013:MML6PNNAODE7FXERNXTIE6KA3O

not attested not anchored not stored refs pending

Adaptive Sparse Channel Estimation for Time-Variant MIMO-OFDM Systems

Fumiyuki Adachi, Guan Gui, Wei Peng

arxiv:1302.1351 v1 · 2013-02-06 · 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{MML6PNNAODE7FXERNXTIE6KA3O}

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	2026-05-18T03:34:24.490968Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6317e7b5a070c9f2dc916de6827940dbb2f9eff7ec6b03430651c69eb1333db6

Aliases

arxiv: 1302.1351 · arxiv_version: 1302.1351v1 · doi: 10.48550/arxiv.1302.1351 · pith_short_12: MML6PNNAODE7 · pith_short_16: MML6PNNAODE7FXER · pith_short_8: MML6PNNA

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/MML6PNNAODE7FXERNXTIE6KA3O \
  | 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: 6317e7b5a070c9f2dc916de6827940dbb2f9eff7ec6b03430651c69eb1333db6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b43500902e75c89eee154bd5c2e4247032d5fb54fd2984cf5b059f307685a606",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2013-02-06T13:03:11Z",
    "title_canon_sha256": "a53c9af84d239f4a1b3af92d3ad606847e8c8c97d400c621e5d930548e0d2e83"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.1351",
    "kind": "arxiv",
    "version": 1
  }
}