Pith Number

pith:XZGB3MP5

pith:2022:XZGB3MP5YCDITQ2U6X3JS4RT76

not attested not anchored not stored refs pending

A New Approach to Extract Fetal Electrocardiogram Using Affine Combination of Adaptive Filters

Leibny Paola Garcia, Roberto Togneri, Shuyue Stella Li, Xiangyu Zhang, Xin Xie, Yu Xuan, Zihan Shen

arxiv:2210.11658 v4 · 2022-10-21 · 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{XZGB3MP5YCDITQ2U6X3JS4RT76}

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	2026-07-05T05:45:34.038625Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

be4c1db1fdc08689c354f5f6997233ff85c3fbc223390c1af6452776a0c1749e

Aliases

arxiv: 2210.11658 · arxiv_version: 2210.11658v4 · doi: 10.48550/arxiv.2210.11658 · pith_short_12: XZGB3MP5YCDI · pith_short_16: XZGB3MP5YCDITQ2U · pith_short_8: XZGB3MP5

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/XZGB3MP5YCDITQ2U6X3JS4RT76 \
  | 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: be4c1db1fdc08689c354f5f6997233ff85c3fbc223390c1af6452776a0c1749e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0d7fe807ed3dc53b6cb52841b674a73698b137d84cbdba381aa6e2ffc348b457",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2022-10-21T01:05:12Z",
    "title_canon_sha256": "5be32a922d3e5d94475a90665220c90731aebe33a4eb144f710e9854c38f6481"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2210.11658",
    "kind": "arxiv",
    "version": 4
  }
}