Pith Number

pith:Z7O63N7D

pith:2019:Z7O63N7DUPJUVS2WTL4MRW7LVT

not attested not anchored not stored refs pending

Blind source separation using Fast-ICA with a novel nonlinear function

Pengfei Xu, Yinjie Jia, Zhijian Wang

arxiv:1907.03432 v1 · 2019-07-08 · eess.SP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Z7O63N7DUPJUVS2WTL4MRW7LVT}

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	2026-05-17T23:41:16.233291Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cfddedb7e3a3d34acb569af8c8dbebacc97ab8c392f65caa50af00be9c696635

Aliases

arxiv: 1907.03432 · arxiv_version: 1907.03432v1 · doi: 10.48550/arxiv.1907.03432 · pith_short_12: Z7O63N7DUPJU · pith_short_16: Z7O63N7DUPJUVS2W · pith_short_8: Z7O63N7D

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/Z7O63N7DUPJUVS2WTL4MRW7LVT \
  | 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: cfddedb7e3a3d34acb569af8c8dbebacc97ab8c392f65caa50af00be9c696635

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b5de505fad663665e42e5a27ba2bf88dff7446af2ccb7371b676d78fc2e6a8fc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2019-07-08T07:26:56Z",
    "title_canon_sha256": "f78c91130df6278e50f2f121b7078360b206634555a810c12559502896aa08b4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.03432",
    "kind": "arxiv",
    "version": 1
  }
}