Pith Number

pith:QQLOVBCL

pith:2013:QQLOVBCLEOOXBPNG4ER6ANCG7L

not attested not anchored not stored refs pending

Variable Earns Profit: Improved Adaptive Channel Estimation using Sparse VSS-NLMS Algorithms

Fumiyuki Adachi, Guan Gui, Linglong Dai, Shinya Kumagai

arxiv:1311.1315 v1 · 2013-11-06 · 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{QQLOVBCLEOOXBPNG4ER6ANCG7L}

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	2026-05-18T03:07:53.708769Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8416ea844b239d70bda6e123e03446fafe0760dc959dc9f56b71f8b48c775bf8

Aliases

arxiv: 1311.1315 · arxiv_version: 1311.1315v1 · doi: 10.48550/arxiv.1311.1315 · pith_short_12: QQLOVBCLEOOX · pith_short_16: QQLOVBCLEOOXBPNG · pith_short_8: QQLOVBCL

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/QQLOVBCLEOOXBPNG4ER6ANCG7L \
  | 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: 8416ea844b239d70bda6e123e03446fafe0760dc959dc9f56b71f8b48c775bf8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1bc43d1ee70095f81cf94ce684e28e861f21c6ea4e9bf369651f65a67eb8d9b3",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2013-11-06T08:58:44Z",
    "title_canon_sha256": "d41e9479d0c6f45d2065c1c78399c16463cf0e581b902a6690208b21149c07e4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.1315",
    "kind": "arxiv",
    "version": 1
  }
}