Pith Number

pith:JCY5MV5D

pith:2019:JCY5MV5DY6LDAPS5B2RKIWDKYU

not attested not anchored not stored refs pending

Optimal step-size of least mean absolute fourth algorithm in low SNR

Bharat Biswal, Chun Meng, Sihai Guan

arxiv:1908.08165 v1 · 2019-08-22 · eess.SP · 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{JCY5MV5DY6LDAPS5B2RKIWDKYU}

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	2026-07-04T23:59:10.183778Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

48b1d657a3c796303e5d0ea2a4586ac531b7354086a5f369596be7ab4927f62c

Aliases

arxiv: 1908.08165 · arxiv_version: 1908.08165v1 · doi: 10.48550/arxiv.1908.08165 · pith_short_12: JCY5MV5DY6LD · pith_short_16: JCY5MV5DY6LDAPS5 · pith_short_8: JCY5MV5D

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/JCY5MV5DY6LDAPS5B2RKIWDKYU \
  | 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: 48b1d657a3c796303e5d0ea2a4586ac531b7354086a5f369596be7ab4927f62c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7c951b076f641ca5c271cfb089bb25c869a422cffd2258720a9cf704aa09d631",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2019-08-22T01:52:55Z",
    "title_canon_sha256": "073befb3f523836ee851c5fbbc2f7d87c1a9d4101c2db4cadcf84ccac99c6b8c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.08165",
    "kind": "arxiv",
    "version": 1
  }
}