Pith Number

pith:P4TWHX43

pith:2013:P4TWHX43LAMIJ7GNIDAGA3CKCI

not attested not anchored not stored refs pending

Variable is Better Than Invariable: Stable Sparse VSS-NLMS Algorithms with Application to Estimating MIMO Channels

Fumiyuki Adachi, Guan Gui, Shinya Kumagai

arxiv:1311.1314 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{P4TWHX43LAMIJ7GNIDAGA3CKCI}

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	2026-05-18T03:07:53.718806Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7f2763df9b581884fccd40c0606c4a12145d29f05f5901f8c07aeef0dfe20920

Aliases

arxiv: 1311.1314 · arxiv_version: 1311.1314v1 · doi: 10.48550/arxiv.1311.1314 · pith_short_12: P4TWHX43LAMI · pith_short_16: P4TWHX43LAMIJ7GN · pith_short_8: P4TWHX43

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/P4TWHX43LAMIJ7GNIDAGA3CKCI \
  | 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: 7f2763df9b581884fccd40c0606c4a12145d29f05f5901f8c07aeef0dfe20920

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7f95e672cce9003e7e075023c3b57e9b84667b59dcf5d58f1266d773100e5c1d",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2013-11-06T08:54:26Z",
    "title_canon_sha256": "8eb3aeb26e9933d70f892228ed7669a497dd582639241078d5fc6ecfbc4aabc9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.1314",
    "kind": "arxiv",
    "version": 1
  }
}